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YOKOGAWA GS820, Руководство пользователя

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16.1.1  Symbols Used in the Syntax

The following table indicates symbols that are used in 

the syntax mainly in section 16.2. For details on the 

data, see pages 16-5 and 16-6.

Symbol

Meaning

Example

|

Exclusive OR

SOURce:FUNCtion VOLTage|CURRent

Example   
  

SOURce:FUNCtion VOLTage

[ ]

Can be omitted

OUTPut[:STATe]

•••

Can be repeated

16.1.2 Messages

Messages

Messages are used to exchange information between 

the controller and the instrument. Messages that are 

sent from the controller to the instrument are called 

program messages and messages that are sent 

back from the instrument to the controller are called 

response messages.

If a program message contains a message unit that 

requests a response (a query), the instrument returns 

a response message upon receiving the program 

message. A single response message is always 

returned in response to a single program message.

Program Messages

Data that is sent from the controller to the instrument 

is called a program message. The program message 

format is shown below.

<PMT> 

;

<Program message unit>

<Program Message Unit>

A program message consists of one or more program 

message units; each unit corresponds to one 

command. The instrument executes the received 

commands in order.

Each program message unit is separated by a 

semicolon (;).
For details regarding the format of the program 

message unit, see the next section.

 Example 

Unit

Unit

:SOURce:FUNCtion CURRent;RANGe 1A<PMT>

16.1  Program Format

16-1

IM 765601-01E

Communication Commands

3 

2 

1 

4 

5 

6 

7 

8 

9 

10 

11 

12 

13 

14 

15 

16 

17 

18

App 

Index 

Chapter 16  Communication Commands

Содержание GS820

Страница 1: ...IM 765601 01E 6th Edition Multi Channel Source Measure Unit GS820 ...

Страница 2: ...asing YOKOGAWA products YOKOGAWA provides registered users with a variety of information and services Please allow us to serve you best by completing the product registration form accessible from our website http tmi yokogawa com PIM 103 04E ...

Страница 3: ...ly appear on your screen Every effort has been made in the preparation of this manual to ensure the accuracy of its contents However should you have any questions or find any errors please contact your nearest YOKOGAWA dealer Copying or reproducing all or any part of the contents of this manual without YOKOGAWA s permission is strictly prohibited The TCP IP software of this product and the documen...

Страница 4: ...igital I O 16 bit model external I O connector 50 pins Power cord2 D UL CSA Standard Power Cord Part No A1006WD Maximum rated voltage 125 V F VDE Standard Power Cord Part No A1009WD Maximum rated voltage 250 V Q BS Standard Power Cord Part No A1054WD Maximum rated voltage 250 V R AS Standard Power Cord Part No A1024WD Maximum rated voltage 250 V H GB Standard Power Cord Part No A1064WD Maximum rat...

Страница 5: ...01 and 765611 and connector cover 1 pc each A1773JD A1778JD 1 set 50 pin connector for the 765602 and 765612 and connector cover 1 pc each Manuals IM 765601 01E 1 User s Manual this manual IM 765601 92 1 Document for China PM 113 01Z2 1 List of worldwide contacts Connector for EXT I O For 765601 and 765611 15 pin male For 765602 and 765612 50 pin male Manuals IM 765601 01E this manual IM 765601 92...

Страница 6: ... III Screw in type Red and black 1 pc each Rating 1000 V 36 A Synchronous operation cable 758960 1 RJ 11 cable 6 pins Length 1 m WARNING Use the accessories specified in this manual Moreover use the accessories of this product only with Yokogawa products that specify them as accessories Use the accessories of this product within the rated range of each accessory When using several accessories toge...

Страница 7: ...Checking the Contents of the Package ATTENTION Utiliser les câbles BNC 366924 et 366925 pour les bornes E S BNC v IM 765601 01E ...

Страница 8: ...e manual This symbol appears on dangerous locations on the instrument which require special instructions for proper handling or use The same symbol appears in the corresponding place in the manual to identify those instructions Alternating current ON power OFF power ON power state OFF power state French Avertissement À manipuler délicatement Toujours se reporter aux manuels d utilisation et d entr...

Страница 9: ...nd may cause a fire Clean the power plug regularly Connect the Protective Grounding Terminal Be sure to connect the protective earth to prevent electric shock before turning ON the power The power cord that comes with the instrument is a three prong type power cord Connect the power cord to a properly grounded three prong outlet Do Not Impair the Protective Grounding Never cut off the internal or ...

Страница 10: ...erminals if the instrument is used in a floating condition If you do not connect the devices correctly not only will it damage the instrument or the target device it may also lead to electric shock or fire Be careful when you connect the lead wires and be sure to check the following points When using the instrument in a floating condition make sure that the electric potential of each output termin...

Страница 11: ...e l isolation risque d être compromise par l humidité ou d autres facteurs ce qui peut provoquer un incendie Nettoyez la fiche du cordon d alimentation régulièrement Brancher la prise de terre Avant de mettre l instrument sous tension penser à brancher la prise de terre pour éviter tout choc électrique Le cordon d alimentation livré avec l instrument est doté de trois broches Brancher le cordon d ...

Страница 12: ... décharge électrique Afin d éviter tout choc électrique retirer les bagues les montres et autres accessoires métalliques ainsi que les bijoux avant la mise en service Câblage correct Une tension dangereuse peut survenir sur les bornes si l instrument est utilisé en condition de flottement Si vous ne raccordez pas correctement les appareils non seulement cela risque d endommager l équipement ou l a...

Страница 13: ...e EU contact your local Yokogawa Europe B V office Do not dispose in domestic household waste EU Battery Directive EU Battery Directive This directive is valid only in the EU Batteries are included in this product This marking indicates they shall be sorted out and collected as ordained in the EU battery directive Battery type Lithium battery You cannot replace batteries by yourself When you need ...

Страница 14: ...aken to prevent such occurrences French AVERTISSEMENT Attire l attention sur des gestes ou des conditions susceptibles de provoquer des blessures graves voire mortelles et sur les précautions de sécurité pouvant prévenir de tels accidents CAUTION Calls attention to actions or conditions that could cause light injury to the user or cause damage to the instrument or user s data and precautions that ...

Страница 15: ...rocedures It may not give a detailed explanation of the function For a detailed explanation of the function see chapter 2 Corresponding Command Mnemonic Indicates a communication command that corresponds to the function described on the procedural explanation page Displayed Characters and Terminology Used in the Procedural Explanations Keys and Rotary Knob Bold characters used in the procedural ex...

Страница 16: ... OUT 2 2 Block Diagram 2 3 2 2 Source Measure Function of the GS820 2 4 GS820 Construction 2 4 Source Function and Measurement Function 2 4 Combinations Source Function and Measurement Function 2 4 Source and Measurement Timing 2 5 Basic Timing of Source and Measurement 2 5 Setting the Timing Using Triggers 2 5 Sweep Function 2 6 Preset Sweep 2 6 Programmable Sweep 2 6 2 3 Source 2 7 Source Range ...

Страница 17: ...p Operation 2 24 2 6 Triggering 2 25 Overview 2 25 Source Trigger 2 25 Measurement Trigger 2 25 Sweep Start 2 25 Auxiliary Trigger Source 2 27 Trigger Block Diagram 2 27 Sweep Start Output Trigger Output and Auxiliary Trigger Output 2 28 Trigger Hold 2 28 Sampling Error 2 28 2 7 Synchronization and External I O 2 29 Synchronization Function and External I O of the GS820 2 29 Inter Channel Synchron...

Страница 18: ...hapter 3 Instrument Preparation and Common Operations 3 1 Handling Precautions 3 1 3 2 Installation 3 3 3 3 Connecting to the Power Supply 3 6 3 4 Turning the Power Switch ON OFF 3 8 3 5 Wiring Precautions 3 10 3 6 Setting the Line Frequency 3 14 3 7 Setting the Date Time and the Time Difference from GMT Greenwich Mean Time 3 15 Chapter 4 Common Setup 4 1 Basic Operation of Keys and Rotary Knob an...

Страница 19: ... 5 User Defined Computation 8 8 Chapter 9 Storing Measured Results and Recalling Statistical Computation Values 9 1 Storing Measurement Results 9 1 9 2 Recalling Statistical Computation Values 9 3 Chapter 10 BNC I O External I O and Synchronous Operation 10 1 Setting the BNC I O Terminal START IN OUT and TRIGGER IN OUT 10 1 10 2 Pin Assignments of the External I O Connector EXT I O 10 3 10 3 Synch...

Страница 20: ...ia the RS 232 Interface 15 2 15 3 Handshaking 15 4 15 4 Setting the RS 232 Interface 15 5 Chapter 16 Communication Commands 16 1 Program Format 16 1 16 1 1 Symbols Used in the Syntax 16 1 16 1 2 Messages 16 1 16 1 3 Commands 16 3 16 1 4 Response 16 5 16 1 5 Data 16 5 16 2 Commands 16 7 16 2 1 List of Commands 16 7 16 2 2 Output Commands OUTPut Group 16 13 16 2 3 Sweep Commands SWEep Group 16 14 16...

Страница 21: ...asuring Simultaneously on Two Channels Using Single Step Sweep 16 60 Chapter 17 Troubleshooting and Maintenance 17 1 Troubleshooting 17 1 17 2 Error Code Descriptions and Corrective Actions 17 3 17 3 Self Test 17 7 17 4 Viewing the Product Information 17 9 17 5 Updating the System Firmware 17 10 17 6 Recommended Replacement Parts and Maintenance 17 11 Chapter 18 Specifications 18 1 Source Section ...

Страница 22: ...ive setup item Sections 1 4 and 4 1 Trigger control key A key used to generate a sweep start or source trigger or to hold a trigger Sections 2 6 and 6 5 SHIFT LOCAL key The keys enter the shifted state when you press the SHIFT key and the SHIFT key illuminates In this state the item marked in purple characters below the key is controlled Pressing this key when the GS820 is in remote mode controlle...

Страница 23: ...gnals and sweep signals Section 10 1 Power connector Connects to a power supply Section 3 3 Functional ground terminal Shields the measurement cable at ground potential Section 3 5 External I O connector 50 pins Receives or transmits 16 bit digital I O signals in addition to the signals similar to those of the external I O connector 15 pins and RS 232 connector 9 pins of the 765601 765611 Section ...

Страница 24: ...sweep mode indicator Status indicator Low limiter value Channel number Measured value Source range 1 Channel Display Displays information of the currently controllable channel Measured value Wiring system indicator Source level Source range Comparison result display Equation computation indicator NULL computation indicator Auto measurement range ON Measurement range Auto source range ON High limit...

Страница 25: ...ange Low Less than the lower limit High Limiter and Low Limiter Values Displays the high limiter and low limiter values High Limiter Indicator Highlighted when the high limiter is activated Low Limiter Indicator Highlighted when the low limiter is activated Source Level Displays the current source level VS IS at the front indicates the source function voltage source or current source Measured Valu...

Страница 26: ...cking section 5 3 Soft key menu shown on the display Activated when the SHIFT key is pressed followed by the key LIMIT SHIFT SWEEP Output Control Group Switches the zero source impedance HiZ or LoZ section 5 12 Turns ON OFF the zero state section 5 12 Turns ON OFF the output mode section 5 12 Trigger Control Group Display Switch and Key Lock Switches display mode 1 channel only or 2 channels secti...

Страница 27: ...sponse Source Trigger Selects the sweep start section 5 6 Selects the source trigger section 5 7 Selects the response mode normal or stable section 5 8 Mode Repeat Start Level Stop Level Step Level Step Count Off Linear Log Program Single Sweep Mode Selects the sweep mode off linear log program or single step sections 6 1 to 6 4 Sets the sweep repeat count sections 6 1 to 6 3 Displayed only when l...

Страница 28: ...stem section 4 5 Turns ON OFF the auto zero function section 7 7 Turns ON OFF the equation computation section 8 3 Sets equation parameter A section 8 3 Displayed only when variable A is used in the equation Param B Param C Sets equation parameter B section 8 3 Displayed only when variable B is used in the equation Sets equation parameter C section 8 3 Displayed only when variable C is used in the...

Страница 29: ...e odd or even section 15 4 Selects the RS 232 baud rate section 15 4 GPIB RS232 None XON CTS RTS FlowControl CR LF CR LF Terminator BaudRate Sets the GP IB address section 14 4 Switches the RS 232 data length 7 or 8 section 15 4 Switches the RS 232 stop bits 1 or 2 section 15 4 Selects the RS 232 flow control none XON OFF or CTS RTS section 15 4 Selects the RS 232 transmission delimiter CR LF or C...

Страница 30: ...ep On Off Turns ON OFF the beep sound section 11 6 Clock Adjust Time Zone Time Adjust Test Display Key Executes a display test section 17 3 Executes a key test section 17 3 Selftest Executes a self test section 17 3 Edit Zero Adjust Resets the seconds to zero section 3 7 Set Sets the time section 3 7 Set Sets the time difference from GMT section 3 7 Edit Firmware Update Expand On Off Disk Format T...

Страница 31: ...simultaneously In addition a channel expansion function is available that allows synchronous operation of up to 10 channels Synchronous operation is not possible with a mixture of 18 V models 765601 765602 and 50 V 765611 765612 models The GS820 has a built in 12 MB non volatile storage GS820ROM for storing various settings and a 16 MB volatile storage GS820RAM for storing measurement results and ...

Страница 32: ... Analog Comparison result Analog Comparison result PC Command control Communication line SYNC OUT Analog digital I O SYNC IN Connect as external storage of a PC by way of the USB storage function Synchronous Operation by Connecting the I O Terminals for Synchronous Operation SYNC IN OUT GS820 GS820 GS820 SYNC IN OUT SYNC IN OUT SYNC IN OUT 2 1 System Configuration and Block Diagram 2 2 IM 765601 0...

Страница 33: ... section The analog sections consist of fast highly accurate op amps highly stable resistors and the like A PLD is employed at the interface to the digital section The PLD sets the serial data sent from the digital section to each DAC and controls the operation sequence of each switch when the range is changed When operating as a voltage source SW1 is connected to V and source voltage Vo is a prod...

Страница 34: ... measurement IS VM Voltage source VS Current source IS Voltmeter VM Ammeter IM Resistance meter IS VM Combinations Source Function and Measurement Function You can select the source function or the measurement function on each channel and arbitrarily combine the two channels Voltage source Voltage source CH1 Source GS820 Multiple power source device Power supply 1 Power supply 2 CH2 Source CH1 Sou...

Страница 35: ...selected separately The source trigger includes two types of constant period timers external signal input auxiliary trigger and measurement end The measurement trigger includes source change sweep end and immediate in addition to the triggers available for the source trigger The auxiliary trigger can be an external signal or an event by way of a program Source delay measurement delay and integrati...

Страница 36: ... linear sweep or log sweep can be performed in each source mode Source Mode DC source Pulse source Sweep off constant Linear Sweep Log Sweep Programmable Sweep A programmable sweep can be performed by using user defined arbitrary waveform data CSV format that you edited on a spreadsheet or text editor Because a programmable sweep allows the timing and control parameters to be swept simultaneously ...

Страница 37: ...ctively Voltage Range The voltage range consists of the voltage source range and voltage limiter range V I 7 V 3 2 A range 18 V 1 2 A range 2 V 3 2 A range 200 mV 3 2 A range Range Source Range Resolution Max Load Current 200 mV 200 000 mV 1 µV 3 2 A 2 V 2 00000 V 10 µV 3 2 A 7 V 7 0000 V 100 µV 3 2 A 18 V 18 0000 V 100 µV 1 2 A Range Source Range Resolution Max Load Current 200 mV 200 000 mV 1 µV...

Страница 38: ... I 0 5 A 50 V range 200 mA 50 V range 20 mA 50 V range 2 mA 50 V range 200 µA 50 V range 20 µA 50 V range 2 µA 50 V range 200 nA 50 V range Range Source Range Resolution Max Load Voltage 200 nA 200 000 nA 1 pA 50 V 2 µA 2 00000 µA 10 pA 50 V 20 µA 20 0000 µA 100 pA 50 V 200 µA 200 000 µA 1 nA 50 V 2 mA 2 00000 mA 10 nA 50 V 20 mA 20 0000 mA 100 nA 50 V 200 mA 200 000 mA 1 µA 50 V 0 5 A 0 60000 A 1...

Страница 39: ...delay time elapses from the time the source trigger is applied In addition source busy TRIG OUT is set low when the source trigger is applied and returns to high after the generation of SrcChg software processing Source busy TRIG OUT SrcChg Source delay Source trigger TRIG IN Source Previous setting Next setting Source setting change caused by front panel operation or communication command control...

Страница 40: ... applied SrcChg source change that is selectable as a measurement trigger is generated after the source delay time elapses from the time the source trigger is applied at the time the source setting is changed In addition source busy TRIG OUT is set low when the source trigger is applied and returns to high after the generation of SrcChg software processing Source busy TRIG OUT SrcChg Source delay ...

Страница 41: ...zero ON ON ON OFF OFF OFF OUTPUT ZERO OUTPUT ZERO OUTPUT ZERO OUTPUT OUTPUT ZERO ZERO OUTPUT ZERO Zero Source Function In addition to the generation of zero voltage or current the zero source function of the GS820 allows the voltage applied to the load or the current supply to be limited at an extremely low level by setting the current or voltage limiter to the minimum setting high impedance setti...

Страница 42: ...g is connected in voltage source mode if a voltage source exceeding the voltage limiter setting is connected in current source mode or if a load exceeding the source range above is connected abnormal load is detected and the output is turned OFF Do not connect these types loads to the GS820 If connected the GS820 may malfunction French ATTENTION Si vous raccordez une source de courant en mode sour...

Страница 43: ...high limiter indicator H is displayed If the low limiter is activated the low limiter indicator L is displayed The range of the limiter value is always auto range The best suitable range is selected according to the input value Response Mode See section 5 8 for the procedure The response mode can be set for each channel Select Normal mode or Stable mode according to the DUT or your objective Norma...

Страница 44: ...plied to the DUT by selecting the four terminal connection and connecting the SENSE terminal near the DUT Offset Calibration See section 5 9 for the procedure If offset calibration is executed the measurement function of the GS820 is used to correct the zero point offset of the source level For example this function is used to correct the offset fluctuation that results when the ambient temperatur...

Страница 45: ...1 nA 2 mA 2 10000 mA 10 nA 2 mA 2 10000 mA 10 nA 20 mA 21 0000 mA 100 nA 20 mA 21 0000 mA 100 nA 200 mA 210 000 mA 1 µA 200 mA 210 000 mA 1 µA 1 A 1 30000 A 10 µA 0 5 A 0 60000 A 10 µA 3 A 3 20000 A 10 µA 1 0 A 1 20000 A 10 µA Fixed Measurement Range and Auto Range There are two measurement ranges fixed range and auto range Fixed Measurement Range The target range is specified directly This settin...

Страница 46: ... and cannot be changed Measurement settings other than the measurement function can be changed Ammeter Mode I Meter Operates as a 0 V voltage source and functions as an ammeter by measuring the current In this mode the source function source range limiter and measurement function settings are fixed exclusively for Ammeter Mode and cannot be changed Measurement settings other than the measurement f...

Страница 47: ...ding on the number of averaged points the complexity of the equation and so on The GS820 computes the following four types in order 1 Averaging The moving average over the average count of measured values is the result If averaging is OFF nothing is performed 2 NULL computation Subtracts the NULL reference value from the measured value and makes the difference the result If NULL computation is OFF...

Страница 48: ... time See section 7 4 for the procedure An integrating A D converter is used for the measurement If you set a long integration time the measurement takes longer but the stability of the measured values increases If the integration time is set to an integer multiple of the power line cycle nPLC it has an effect of eliminating the line frequency noise To perform a highly accurate measurement set an ...

Страница 49: ...time a source trigger is received and repeats the source action the specified number of counts 1 to 1000 or infinity When a sweep operation is completed the GS820 enters to the start wait state again To abort the sweep operation and make the GS820 enter the start wait state turn OFF the output or set to zero source and then turn ON the output again The SwpBusy Sweep Busy signal is transmitted from...

Страница 50: ... 100 µV 7 0000 V X 18 0000 V 100 µV 765611 765612 Start Level Stop Level and Step Level Setting Resolution 0 000 mV X 200 000 mV 1 µV 0 20000 V X 2 00000 V 10 µV 2 0000 V X 20 0000 V 100 µV 20 0000 V X 50 0000 V 100 µV Setting Resolution of the Start level Stop Level and Step level for Current Source Mode 765601 765602 Start Level Stop Level and Step Level Setting Resolution 0 000 nA X 200 000 nA ...

Страница 51: ...esolution 0 000 mV X 200 000 mV 1 µV 0 20000 V X 2 00000 V 10 µV 2 0000 V X 7 0000 V 100 µV 7 0000 V X 18 0000 V 100 µV 765611 765612 Start Level and Stop Level Setting Resolution 0 000 mV X 200 000 mV 1 µV 0 20000 V X 2 00000 V 10 µV 2 0000 V X 20 0000 V 100 µV 20 0000 V X 50 0000 V 100 µV Setting Resolution of the Start level and Stop Level for Current Source Mode 765601 765602 Start Level and S...

Страница 52: ...m File In programmable sweep the GS820 loads arbitrary waveform data up to 100000 points in CSV format that has been edited on a spreadsheet application or a text editor and executes the sweep operation The source level can be changed at a minimum interval of 100 µs See appendix 1 Program File Examples 1 V 2 ms 3 ms 4 ms 5 ms 6 ms 7 ms 4 V 2 V 1 V 5 V 7 V SL T1 HL LL 1 0 2E 3 4 0 3E 3 2 0 4E 3 1 0...

Страница 53: ...al number T1 Timer 1 period 0 000000 to 3600 000000 Real number T2 Timer 2 period 0 000000 to 3600 000000 Real number AT Auxiliary trigger generation 1 Integer DO Digital output 0x0000 to 0xFFFF Integer 1 CHn can be used to specify the channel in the title n 1 or 2 2 For the 765611 765612 0 2 to 50 3 For the 765611 765612 200E 9 to 1 4 For the 765611 765612 50 0000 to 50 0000 5 For the 765611 7656...

Страница 54: ... repeat count is set to 5 the GS820 repeats the sweep operation five times when it receives a start trigger Then the GS820 returns to the start wait state If the repeat count is set to infinity the GS820 repeats the sweep operation until you turn the sweep operation or output OFF Starting the Sweep Operation See section 6 5 for the procedure The sweep operation starts when you apply a sweep start ...

Страница 55: ...mer1 Timer2 Measurement end MeasEnd Measurement Trigger See section 7 6 for the procedure This trigger is used to start a measurement action see page 2 17 Select any of the following trigger sources Source change SrcChg Auxiliary trigger rising edge Aux Auxiliary trigger falling edge Aux Timer1 Timer2 Immediate Imm Sweep end SwpEnd Sweep Start See section 5 6 for the procedure This trigger is used...

Страница 56: ...d at the time the source setting is changed Sweep End SwpEnd A trigger is generated when the sweep operation is completed at the time the last sweep start trigger is applied If used as a measurement trigger a measurement can be made after the pattern generation by the sweep operation Auxiliary Trigger Rising Edge Aux A trigger is generated on the rising edge of the signal applied to AUX IN of the ...

Страница 57: ...ow level pulse in sync with the constant period timer 2 Through Passes through the auxiliary trigger signal received from AuxIn without any change Trigger Block Diagram MeasBusy MeasTrig MeasBusy MeasBusy CH1 MEASURE CH1 SOURCE CH2 SOURCE CH2 MEASURE MeasTrig SwpStart StartIn TrigIn AuxIn StartOut TrigOut AuxOut SrcTrig SwpBusy SrcBusy SwpBusy SrcBusy SwpStart SrcTrig Timer1 Timer2 Timer1 Timer2 T...

Страница 58: ...y stops source triggers and measurement triggers A mask is applied when the HOLD key on the front panel is pressed or when the TRIGger HOLD ON communication command is received and the source action and measurement action stop To resume press the HOLD key again or send the TRIGger HOLD OFF communication command Sampling Error The sampling error indicator on the front panel indicates that a trigger...

Страница 59: ...O terminal for synchronous operation SYNC IN OUT on the rear panel Specify master or slave in the inter unit synchronization settings By operating the master unit the slave units that are connected can be configured and measurement results can be acquired by way of a program file For the connection a synchronous operation cable 758960 that is sold separately is connected in a daisy chain The secon...

Страница 60: ... characteristic measurements and GO NO GO tests of multiple pin electronic devices multi functional semiconductor ICs electronic circuits board assemblies and the like Channel expansion is not possible when there is a mixture of 18 V models and 50 V models Sweep pattern file for CH3 and CH4 Master unit SYNC OUT Slave unit 1 SYNC IN SYNC OUT Slave unit 4 SYNC IN Sweep pattern file for CH9 and CH10 ...

Страница 61: ...nt measured value becomes the NULL value If you change the NULL value when the NULL computation is OFF it is automatically turned ON Equation Computation See section 8 3 for the procedure In equation computation the GS820 performs computation by parsing the user defined file that is stored in the MATH directory on the built in GS820ROM see a description of the USB storage function on page 2 36 Fou...

Страница 62: ... and measured value Resistance Resistance txt ML V I Calculates the resistance from the source level and measured value User Defined File Format A text file consisting of statements For the notation of the definition file of equation computation see section 8 5 User Defined Computation Comparison Operation See section 8 4 for the procedure The measured value is compared against a preset upper and ...

Страница 63: ...age start point timestamps digital output values digital input values source function source level measurement function measured values comparison lower limit comparison upper limit and comparison results Example of a Result File Timestamp Source function Source level Measurement function Measured value Comparison operation result1 1 Displays the results only when comparison operation is ON Lower ...

Страница 64: ...the storage count is set to maximum 100000 is greater than 15 MB Therefore only one file can be created on the GS820RAM GS820RAM Containing Result Files Newest result file Third newest result file Second newest result file Result File Numbering Result csv Result 1 csv Result csv Result 1 csv Result csv Result 2 csv Newest result file The file names are automatically updated The file names are auto...

Страница 65: ...ration function is OFF the storage result in the GS820RAM can be read directly using the communication function You can set the format used to read the data to ASCII or binary In addition statistical computation values can also be read using the communication function 2 9 Store Recall Statistical Computation Value Display 2 35 IM 765601 01E Explanation of Functions ...

Страница 66: ...esult file in your PC you can process the data or draw graphs on a general purpose spreadsheet application The system file that is used to update the GS820 system is also stored on this storage Non Volatile Storage GS820ROM GS820ROM is a non volatile storage that retains the data on the storage even when the power is turned OFF It contains three directories MATH PROGRAM and SETUP Equation definiti...

Страница 67: ... to a file named Setup txt This storage is normally used to transfer files that the GS820 generates to your PC However a system file is transferred from your PC to this storage when updating the system firmware For details see section 17 5 Updating the System Firmware Note You can create subdirectories and write files to GS820RAM but be sure that the storage does not become full The data on this s...

Страница 68: ...sing commands while transferring files using FTP GP IB Communications See chapter 14 for the procedure An interface used to control the GS820 using commands You can specify the same settings as you would using the front panel keys of the GS820 and output setup data and measured data Because the command control of the GS820 is mutually independent other communication functions can be used while con...

Страница 69: ...ed results that are output in CSV format Turning the Beep Sound ON OFF See section 11 6 for the procedure You can select whether the GS820 generates a beep sound when you operate the GS820 incorrectly or when an error occurs during operation The setting is retained even if the power is turned OFF Error Log Display See section 11 7 for the procedure Displays error information such as runtime errors...

Страница 70: ...ected If the GS820 detects an overheat condition such as when the inlet or vent holes for the cooling fan are obstructed or the fan is stopped the GS820 forcibly turns the output OFF and displays an Abnormal Temperature warning If this happens immediately turn OFF the power switch Provide adequate space around the GS820 or check and remove foreign objects caught in the cooling fan on the rear pane...

Страница 71: ...wer cord and connection cables The instrument weighs approximately 8 kg To carry the instrument use the handle as shown in the figure below and move it carefully SAMPLE ERROR MASTER KEY LOCK REMOTE DISPLAY ESC STORE CH SETUP ERROR MISC INFO LOCAL SYNC SHIFT TIMER POWER MEASURE RANGE MODE SOURCE RANGE V I CONFIG NULL MATH COMPARE CONFIG PULSE LIMIT SWEEP AUTO AUTO START CONTROL TRIG HOLD CONFIG ZER...

Страница 72: ...en cas de dysfonctionnement de l instrument L instrument est prévu pour une utilisation en intérieur Ne pas l installer ni l utiliser à l extérieur Installer l instrument de manière à pourvoir immédiatement le débrancher du secteur en cas de fonctionnement anormal ou dangereux ATTENTION Ne pas bloquer les orifices d aération en haut et en bas de l instrument pour éviter la surchauffe et la panne P...

Страница 73: ...ssus Installation Conditions Install the instrument in a place that meets the following conditions Ambient Temperature and Humidity Use the instrument in the following environment Ambient temperature 5 to 40 C However in order to obtain highly accurate measurements operate the instrument in the 23 5 C temperature range Ambient humidity 20 to 80 RH No condensation should be present In order to obta...

Страница 74: ...t Install the Instrument in the Following Places Outdoors In direct sunlight or near heat sources Where the instrument is exposed to water or other liquids Where an excessive amount of soot steam dust or corrosive gas is present Near strong magnetic field sources Near high voltage equipment or power lines Where the level of mechanical vibration is high On a unstable place Storage Location When sto...

Страница 75: ...r cord provided and securely connect the protective grounding If such an AC outlet is unavailable and protective grounding cannot be furnished do not use the instrument French AVERTISSEMENT Vérifier que la tension d alimentation correspond à la tension d alimentation nominale de l instrument et qu elle ne dépasse pas la plage de tension maximale spécifiée pour le cordon d alimentation Brancher le ...

Страница 76: ... Permitted supply voltage range 90 to 132 VAC 180 to 264 VAC Rated power supply frequency 50 60 Hz Permitted power supply frequency range 48 to 63 Hz Maximum power consumption Approx 250 VA The instrument can use a 100 V or a 200 V system for the power supply Check that the voltage supplied to the instrument is less than or equal to the maximum rated voltage of the provided power cord see page ii ...

Страница 77: ...ccording to the setup file selected in section 11 3 Selecting the Settings Applied at Power ON Check that the GS820 has started normally before you use it Note If you are turning the power switch ON after turning it OFF allow at least 5 s before turning it ON When the Power on Operation Does Not Finish Normally Turn off the power switch and check the following items Check that the power cord is se...

Страница 78: ...n error CAUTION Do not turn off the power when the instrument s output is turned on Doing so can damage the GS820 It can also cause damage to the devices connected to the GS820 Turn the output off first and the turn off the power French ATTENTION Ne pas tourner l appareil hors tension quand la sortie de l instrument est activée Cela peut endommager le GS820 Il peut aussi endommager les appareils c...

Страница 79: ...200 mV range 3 2 A 200 mV range 1 2 A 2 V range 3 2 A 2 V range 1 2 A 7 V range 3 2 A 20 V range 1 2 A 18 V range 1 2 A 50 V range 0 6 A Current Source Range Maximum Output Current Source Range Maximum Output 200 nA range 18 V 200 nA range 50 V 2 µA range 18 V 2 µA range 50 V 20 µA range 18 V 20 µA range 50 V 200 µA range 18 V 200 µA range 50 V 2 mA range 18 V 2 mA range 50 V 20 mA range 18 V 20 m...

Страница 80: ...nals Likewise use twisted pair lead wires to connect to the SENSE Hi and SENSE Lo terminals In particular wire the lead wires short in the case of a high capacity load in a four terminal connection in voltage source mode French AVERTISSEMENT Avant le câblage Relier l instrument à la terre avant de le brancher sur l appareil cible Le cordon d alimentation livré avec l instrument est doté de trois b...

Страница 81: ...veillez à ce que la connexion aux bornes SENSE ne soit pas coupée Si la tension n est pas correctement détectée une tension anormale est générée entre les bornes OUTPUT Hi et OUTPUT Lo Lors d une connexion à deux bornes utilisez les bornes OUTPUT Si vous utilisez les bornes SENSE les courants circulant dans la ligne SENSE empêchent le GS820 de fonctionner normalement et entraînent des dommages Si ...

Страница 82: ...de charge de haute capacité branchez les câbles en plomb pour une connexion à quatre bornes et en mode source de tension Note Susceptibility to the effects of noise increases when sourcing or measuring minute currents Take measures such as using shielded wires Making a connection as shown in the figure below is effective using the functional ground terminal on the rear panel Measure against noise ...

Страница 83: ...ency Explanation If Auto is selected the line frequency is automatically selected when the GS820 is turned ON Select Auto in normal cases Note The line frequency specified here is related to the integration time see section 7 4 Setting the Integration Time The integration time is set to an integer multiple of the PLC Power Line Cycle 1 PLC is the time corresponding to 1 line cycle Corresponding Co...

Страница 84: ... soft key 6 Press the and keys to move the cursor to the desired position 7 Use the rotary knob or numeric keys to set the date and time 8 Press the Set soft key to confirm the setting Synchronizing the Clock 9 Press the Zero Adjust soft key to synchronize the clock by resetting the seconds to zero If the seconds is greater than equal to 30 seconds the clock is set to 0 seconds of the next minute ...

Страница 85: ...MT Set the time difference in the range of 12 hours 00 minutes to 13 hours 00 minutes For example Japan standard time is ahead of GMT by 9 hours In this case set Hour to 9 and Minute to 00 Checking the Standard Time Check the standard time for the region where the GS820 is to be used using one of the following methods Check the date and time setting on your PC Check the website at the following UR...

Страница 86: ...ter selecting a setup item using soft keys you can directly enter a value for the item that has a numeric entry area by pressing the numeric keys BS Key and Right Arrow Key Press these keys to move between digits in the numeric entry area If you are entering a value using the numeric keys you can press the BS key to erase the entered characters one character at a time Pressing the right arrow key ...

Страница 87: ...irectly by pressing the numeric keys or set the value by turning the rotary knob Press the BS backspace and right arrow keys to move the cursor or erase the value Note If the setup menu shows Next 1 2 you can press the soft key corresponding to Next 1 2 to show the 2 2 menu To show the 1 2 menu again press the Next 2 2 soft key How to Erase the Setup Menu ESC DISPLAY to clear the setup menu If the...

Страница 88: ...shown on the display is the controllable channel Switching the Display Each time you press ESC DISPLAY the display switches between 1 channel display and 2 channel display Switching the Channel and Switching the Display 1 channel display with CH1 showing CH key ESC DISPLAY key 1 channel display with CH2 showing 2 channel display with CH1 settings currently changeable 2 channel display with CH2 set...

Страница 89: ...e two channels are operated as independent channels The default setting is Async Operation When Inter Channel Synchronization Is Enabled The CH2 source trigger is fixed to the trigger that is input through the input terminal for synchronous operation SYNC IN on the rear panel and synchronizes to the CH1 trigger output at all times The CH2 sweep start is set to the same trigger source as CH1 The CH...

Страница 90: ...ing trigger sources Sweep start section 5 6 Source trigger section 5 7 Measurement trigger section 7 6 Selectable Range 100 µs to 3600 000000s Synchronizing the Timers Timer1 and Timer2 run at independent periods If you want to run the two timers in sync you can align the phase Note If you are using the timer period to perform a programmable sweep set the CH1 source trigger to Timer1 and CH2 sourc...

Страница 91: ...T Lors d une connexion aux quatre bornes veillez à ce que la connexion aux bornes SENSE ne soit pas coupée Si la tension n est pas correctement détectée une tension anormale est générée entre les bornes OUTPUT Hi et OUTPUT Lo Lors d une connexion à deux bornes utilisez les bornes OUTPUT Si vous utilisez les bornes SENSE le GS820 n est pas capable de générer correctement la tension ou le courant et...

Страница 92: ...4 22 Ω r2 Note If 4W four terminal connection is used the source voltage across the OUTPUT Hi and OUTPUT Lo terminals will be larger than the voltage generated on the load If the source voltage across the OUTPUT Hi and OUTPUT Lo terminals exceeds the source range the GS820 will not be able to generate the voltage correctly and abnormal load detection may be activated causing the output to be turne...

Страница 93: ...nfecté par un virus informatique vous risquez d infecter les dispositifs auxquels il est raccordé Si vous découvrez que le PC connecté au GS820 est infecté formatez le stockage Les virus informatiques présents sur le GS820 seront alors effacés Connection Cable Use a USB cable for the type B connector receptacle How to Connect the USB Cable 1 Connect a USB cable to the USB port on the GS820 rear pa...

Страница 94: ...tern files are stored in this directory SETUP Stores the GS820 panel setup data that you select when loading settings When shipped from the factory or when the storage is formatted a default setup file is stored in this directory GS820RAM A 16 MB RAM that is automatically formatted when the power is turned ON It is a volatile storage used to exchange files with your PC The result file Result csv i...

Страница 95: ...m the GS820 menu If you format the storage from your PC default directories such as MATH and default files are not created You can also create subdirectories and write files to the storage but be sure that the storage does not become full Do not change the existing directory names such as MATH If you do you will no longer be able to select files from the GS820 4 6 USB Storage Function 4 10 IM 7656...

Страница 96: ...ent IS switch alternately each time you press this key Explanation Display Example of Source Function Voltage source display Current source display Corresponding Command Mnemonic CHANnel n SOURce FUNCtion VOLTage CURRent Chapter 5 Source 5 1 IM 765601 01E Source 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 97: ... OFF and fixed range is enabled Explanation Display Example of Source Range Fixed range display Display when auto range is ON Fixed Range 765601 765602 Voltage Source Range Source Range Range Generated Resolution Max Load Current 200 mV 200 000 mV 1 µV 3 2 A 2 V 2 00000 V 10 µV 3 2 A 7 V 7 0000 V 100 µV 3 2 A 18 V 18 0000 V 100 µV 1 2 A Current Source Range Source Range Range Generated Resolution ...

Страница 98: ...tically Condition Selected Range Resolution 0 000 mV X 200 000 mV 200 mV 1 µV 0 20000 V X 2 00000 V 2 V 10 µV 2 0000 V X 7 0000 V 7 V 100 µV 7 0000 V X 18 0000 V 18 V 100 µV X is 1 Source voltage level for DC source mode 2 Source voltage level and pulse base for pulse source mode Source Current Level in Current Source Mode and Source Range Selected Automatically Condition Selected Range Resolution...

Страница 99: ...e load such as a capacitor or coil is connected an abnormal load may be detected due to the energy built up in the load and the output may turn OFF If the range is changed a transient glitch will occur in the output for several µs to several hundred µs If you want to avoid the glitch when the source level changes use a fixed range that will cover the maximum necessary value rather than using auto ...

Страница 100: ...s press the soft key for the desired unit to confirm the value If Tracking Is Turned Off 4 Press the High Limit soft key The screen for setting the high limit value appears 5 Use the rotary knob or numeric keys to set the limit value If you use the numeric keys press the soft key for the desired unit or the Enter soft key to confirm the value 6 Press the Low Limit soft key The screen for setting t...

Страница 101: ...02 Current Limiter Setting 1 Range Resolution Minimum Setting2 10 000 nA to 200 000 nA 200 nA 1 pA 10 nA 0 20001 µA to 2 00000 µA 2 µA 10 pA 10 nA 2 0001 µA to 20 0000 µA 20 µA 100 pA 100 nA 20 001 µA to 200 000 µA 200 µA 1 nA 1 µA 0 20001 mA to 2 00000 mA 2 mA 10 nA 10 µA 2 0001 mA to 20 0000 mA 20 mA 100 nA 100 µA 20 001 mA to 200 000 mA 200 mA 1 µA 1 mA 0 20001 A to 1 20000 A 1 A 10 µA 10 mA 1 ...

Страница 102: ...ter activation display H When the low limiter is activated Low limiter activation display L Note If the limit values are set outside the source range the limiter is activated at the boundary of the source range For example of the 765601 if the source range is set to 18 V and the limit value is set to 3 A in voltage source mode the limiter is activated at 1 2 A If the limiter range is changed a tra...

Страница 103: ... the soft key for the desired unit to confirm the setting Note The source level can be changed while setting other items or while the output is ON Explanation Source Waveform There are two source modes DC source and pulse source DC source mode Pulse source mode Source Time Time Source Source level Pulse base value Source level Pulse width Source delay Source trigger If you select the pulse source ...

Страница 104: ...cted as a load the load voltage source may be unstable due to the output capacitance If the source level is low in current source mode or if the current limiter setting is low in voltage source mode take the time needed to charge or discharge the output capacitance into consideration for the response time of the source level Response Mode Output Capacitance Normal 3000 pF or less Stable 6000 pF or...

Страница 105: ... time from when the trigger is generated until the source operation is started Set the source delay to adjust the phase difference between channels when synchronizing multiple channels or to correct the timing of the external trigger signal Selectable Range 15 µs to 3600 000000 s Relationship between the Source Operation and Source Delay If Sweep is OFF DC Source Mode The source delay is not used ...

Страница 106: ...e source delay elapses from the source trigger point Source delay Source delay Source trigger Source Time Source trigger For Single Step Sweep After the setting is changed from the front panel or communication command the setting change is actually executed after the source delay elapses from the source trigger point Source delay Source Time Next source level Previous source level Setting change S...

Страница 107: ...ep start signal source Explanation Sweep Start Source A signal source used to start the sweep operation Select from the items below External External start Aux Auxiliary trigger rising edge Aux Auxiliary trigger falling edge Timer1 Timer2 MeasEnd At the end of a measurement Corresponding Command Mnemonic CHANnel n SWEep TRIGger EXTernal AUXiliary TIMer1 TIMer2 SENSe CHANnel n SWEep TRIGger AUXilia...

Страница 108: ...ce operation Select from the items below External External trigger Aux Auxiliary trigger rising edge Aux Auxiliary trigger falling edge Timer1 Timer2 MeasEnd At the end of a measurement Note A sampling error occurs if a new source trigger is generated while a source action is in progress Corresponding Command Mnemonic CHANnel n SOURce TRIGger EXTernal AUXiliary TIMer1 TIMer2 SENSe CHANnel n SOURce...

Страница 109: ... mode Explanation Response Mode Select an appropriate response mode according to the DUT used or the application objective Normal The response time is short but the GS820 may become unstable and oscillate when a highly inductive or capacitive load is connected Stable This mode is robust to inductive and capacitive loads but the response time is longer Corresponding Command Mnemonic CHANnel n SOURc...

Страница 110: ...ion is executed to correct the offset drift in the source level that is caused by temperature changes and the like Note Because measurements are performed to calibrate all the ranges in an offset calibration the source and measurement operations are suspended for a few seconds while the calibration is in progress The results of the calibration are lost when the power is turned OFF Corresponding Co...

Страница 111: ...ss the soft key for the desired unit to confirm the setting Explanation Selectable Range of Pulse Base Value See the source range for fixed range in section 5 2 Setting the Source Range Note If the source range is set to auto range the range appropriate for the larger of the two values source value and pulse base value is applied Corresponding Command Mnemonic CHANnel n SOURce VOLTage PULSe BASE v...

Страница 112: ...set the pulse width If you use the numeric keys press the soft key for the desired unit to confirm the setting Explanation Selectable Range of Pulse Width 50 µs to 3600 000000 s Corresponding Command Mnemonic CHANnel n SOURce VOLTage PULSe WIDTh time MINimum MAXimum CHANnel n SOURce CURRent PULSe WIDTh time MINimum MAXimum 5 17 IM 765601 01E Source 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App ...

Страница 113: ... OFF Note When the output relay operates the source level is set to zero When Output Is ON The output relay turns ON with the source level set to zero After the output relay switches the source level is changed to the specified source level When Output Is OFF The source level is set to zero and then the output relay is turned OFF Zero Source The GS820 generates 0 V in voltage source mode and 0 A i...

Страница 114: ...5 Use the rotary knob or numeric keys to set the repeat count Press the Infinity soft key to set infinity If you use the numeric keys press the Enter soft key to confirm the setting Setting the Start Level 6 Press the Start Level soft key to display the Start Level menu 7 Use the rotary knob or numeric keys to set the start level If you use the numeric keys press the soft key for the desired unit ...

Страница 115: ...he Step Level menu 11 Use the rotary knob or numeric keys to set the step level If you use the numeric keys press the soft key for the desired unit to confirm the setting Starting the Sweep Operation 12 If the output is OFF or the GS820 is generating a zero level signal turn the output ON see section 5 12 Turning the Output ON OFF and Zero Source 13 When a sweep start source is applied the sweep o...

Страница 116: ...vel in Voltage Source Mode Start Level Stop Level and Step level Setting Resolution 0 000 mV X 200 000 mV 1 µV 0 20000 V X 2 00000 V 10 µV 2 0000 V X 20 0000 V 100 µV 20 0000 V X 50 0000 V 100 µV Setting Resolution of the Start level Stop Level and Step level in Current Source Mode Start Level Stop Level and Step level Setting Resolution 0 000 nA X 200 000 nA 1 pA 0 20000 µA X 2 00000 µA 10 pA 2 0...

Страница 117: ...URce VOLTage SWEep STOP voltage MINimum MAXimum CHANnel n SOURce VOLTage SWEep STEP voltage MINimum MAXimum CHANnel n SOURce CURRent SWEep SPACing LINear CHANnel n SOURce CURRent SWEep STARt current MINimum MAXimum CHANnel n SOURce CURRent SWEep STOP current MINimum MAXimum CHANnel n SOURce CURRent SWEep STEP current MINimum MAXimum 6 1 Setting the Linear Sweep 6 4 IM 765601 01E ...

Страница 118: ...u 5 Use the rotary knob or numeric keys to set the repeat count Press the Infinity soft key to set infinity If you use the numeric keys press the Enter soft key to confirm the setting Setting the Start Level 6 Press the Start Level soft key to display the Start Level menu 7 Use the rotary knob or numeric keys to set the start level If you use the numeric keys press the soft key for the desired uni...

Страница 119: ...display the Step Count menu 11 Use the rotary knob or numeric keys to set the step count If you use the numeric keys press the Enter soft key to confirm the setting Starting the Sweep Operation 12 If the output is OFF or the GS820 is generating a zero level signal turn the output ON see section 5 12 Turning the Output ON OFF and Zero Source 13 When a sweep start source is applied the sweep operati...

Страница 120: ...olution 0 000 mV X 200 000 mV 1 µV 0 20000 V X 2 00000 V 10 µV 2 0000 V X 20 0000 V 100 µV 20 0000 V X 50 0000 V 100 µV Setting Resolution of the Start level and Stop Level in Current Source Mode Start Level and Stop Level Setting Resolution 0 000 nA X 200 000 nA 1 pA 0 20000 µA X 2 00000 µA 10 pA 2 0000 µA X 20 0000 µA 100 pA 20 000 µA X 200 000 µA 1 nA 0 20000 mA X 2 00000 mA 10 nA 2 0000 mA X 2...

Страница 121: ...Rce VOLTage SWEep STOP voltage MINimum MAXimum CHANnel n SOURce VOLTage SWEep POINts integer MINimum MAXimum CHANnel n SOURce CURRent SWEep SPACing LOGarithmic CHANnel n SOURce CURRent SWEep STARt current MINimum MAXimum CHANnel n SOURce CURRent SWEep STOP current MINimum MAXimum CHANnel n SOURce CURRent SWEep POINts integer MINimum MAXimum 6 2 Setting the Log Sweep 6 8 IM 765601 01E ...

Страница 122: ...ic keys to set the repeat count Press the Infinity soft key to set infinity If you use the numeric keys press the Enter soft key to confirm the setting Selecting the Program File 6 Use the rotary knob and to move the cursor underline vertically and select the program file to be used for the pattern Pressing the View soft key allows you to view the contents of the selected file 7 Press the Select F...

Страница 123: ...Note The maximum number of steps in a program pattern is 100000 If a pattern whose step count exceeds 100000 is selected the first 100000 points are loaded Corresponding Command Mnemonic CHANnel n SOURce MODE LIST CHANnel n SOURce LIST SELect character string NONE CHANnel n SOURce LIST CATalog CHANnel n SOURce LIST DELete character string CHANnel n SOURce LIST LOAD character string CHANnel n SWEep...

Страница 124: ...ion holds the changed settings and applies them when a trigger is received afterwards The following setup items are held Source function Source level Source range Pulse base Pulse width Limiter level Measurement function Measurement range Measurement delay Response Mode Wiring system Corresponding Command Mnemonic CHANnel n SOURce MODE SINGle 6 11 IM 765601 01E Sweep 3 2 1 4 5 6 7 8 9 10 11 12 13 ...

Страница 125: ...ration is started from the Waiting for Sweep Start state After receiving the source trigger the number of times equal to sweep count repeat count the sweep operation stops and the GS820 returns to the Waiting for Sweep Start state Note Source triggers that are received during the Waiting for Sweep Start state are discarded If a new sweep start occurs while the sweep operation is in progress the on...

Страница 126: ...d the measurement function automatically switches so that it is not the same function as the source function However if the limiter is activated the GS820 measures the same function as the source function V Meter Voltmeter mode Generates 0 nA and measures the voltage I Meter Ammeter mode Generates 0 mV and measures the current R Meter Resistance meter mode Generates a fixed current at each resista...

Страница 127: ... Function Voltage measurement display Current measurement display You can switch the measurement function using the V I key only when the measurement mode is set to fixed function mode see section 7 1 Selecting the Measurement Mode If another mode is selected the measurement function is automatically selected and you cannot change the function directly Corresponding Command Mnemonic CHANnel n SENS...

Страница 128: ...65602 765611 765612 Measurement Range Range Measured Resolution Measurement Range Range Measured Resolution 200 nA 210 000 nA 1 pA 200 nA 210 000 nA 1 pA 2 µA 2 10000 µA 10 pA 2 µA 2 10000 µA 10 pA 20 µA 21 0000 µA 100 pA 20 µA 21 0000 µA 100 pA 200 µA 210 000 µA 1 nA 200 µA 210 000 µA 1 nA 2 mA 2 10000 mA 10 nA 2 mA 2 10000 mA 10 nA 20 mA 21 0000 mA 100 nA 20 mA 21 0000 mA 100 nA 200 mA 210 000 m...

Страница 129: ... and current measurement The measurement range is always set to the same range as the source range Corresponding Command Mnemonic CHANnel n SENSe VOLTage RANGe voltage MINimum MAXimum UP DOWN CHANnel n SENSe VOLTage RANGe AUTO 1 0 ON OFF CHANnel n SENSe CURRent RANGe current MINimum MAXimum UP DOWN CHANnel n SENSe CURRent RANGe AUTO 1 0 ON OFF CHANnel n SENSe RESistance RANGe resistance MINimum MA...

Страница 130: ...on time is set longer However the measurement time will be longer If the integration time is set to an integer multiple of the power line cycle nPLC it has an effect of eliminating the line frequency noise To perform a highly accurate measurement set an integer value For the procedure to set the line frequency see section 3 6 Setting the Line Frequency Selectable Range 0 001 PLC to 25 PLC Power Li...

Страница 131: ...actually started Set this delay if you want to insert a wait time after the source level is changed until the measurement is actually started to allow the DUT to stabilize Computation Measurement delay Measurement trigger Time Measurement Selectable Range 0 μs to 3600 000000 s Note The time from when the source trigger is applied to when the source level stabilizes varies depending on the load sou...

Страница 132: ...gger is a signal source used to start the measurement Select from the items below SrcChg Source change Aux Auxiliary trigger rising edge Aux Auxiliary trigger falling edge Timer1 Timer2 Imm Immediate SwpEnd At sweep end Note A sampling error occurs if a new measurement trigger is generated while a measurement is in progress Corresponding Command Mnemonic CHANnel n SENSe TRIGger SOURce SWEep AUXili...

Страница 133: ...tely twice as long as when the auto zero function is OFF because the GS820 measures twice Off Disables the auto zero function Retrieving the Zero Calibration Value Use this function to execute the zero reference measurement at a desired timing When a zero calibration value is retrieved the zero reference is remeasured on all measurement ranges by disconnecting the voltage measurement circuit from ...

Страница 134: ...ess the Count soft key 5 Use the rotary knob or numeric keys to set the average count If you use the numeric keys press the Enter soft key to confirm the setting Explanation Setting the Average Count Set a value in the range from 2 to 256 Corresponding Command Mnemonic CHANnel n SENSe AVERage STATe 1 0 ON OFF CHANnel n SENSe AVERage COUNt integer MINimum MAXimum Chapter 8 Computation 8 1 IM 765601...

Страница 135: ...ft key or the Enter soft key to confirm the setting Explanation NULL Computation When the NULL computation is switched from OFF to ON the current measured value becomes the NULL value If you change the NULL value when the NULL computation is OFF it is automatically turned ON While the NULL computation is ON the measurement result is the value obtained by subtracting the NULL value from the measure...

Страница 136: ... placed by the confirmed computation definition file Note An error occurs if the notation used in the computation definition file is not correct 4 Press Math soft key to select ON or OFF If parameters A to C is used in the selected computation definition file the corresponding soft keys are displayed Note If you select ON without selecting a computation definition file an error occurs Setting Para...

Страница 137: ...ured value with respect to A Scaling Scaling txt ML A ML B Scales the measured value Power Power txt ML V I Calculates the power However the power cannot be calculated correctly if the source function and measurement function are the same or when the GS820 is in voltmeter ammeter or resistance meter mode Set the GS820 to voltage source and current measurement modes or current source and voltage me...

Страница 138: ...ulate MATH SELect character string NONE CHANnel n CALCulate MATH CATalog CHANnel n CALCulate MATH DELete character string CHANnel n CALCulate MATH PARameter A or B or C real number 8 3 Equation Computation 8 5 IM 765601 01E Computation 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 139: ...the Upper soft key to display the Upper setup screen 4 Use the rotary knob or numeric keys to set the upper reference If you use the numeric keys press the Enter soft key to confirm the setting 5 Press the Lower soft key to display the Lower setup screen 6 Use the rotary knob or numeric keys to set the lower reference If you use the numeric keys press the Enter soft key to confirm the setting 8 6 ...

Страница 140: ...Lower Displayed value Low LO oL Low LO Setting the Reference Values Set the reference values so that Upper is greater or equal to than Lower Note If Lower is set to a value greater than Upper an error message is displayed If this happens comparison operation will not be executed Selectable Range 9 99999E 24 to 9 99999E 24 Corresponding Command Mnemonic CHANnel n CALCulate LIMit STATe 1 0 ON OFF CH...

Страница 141: ...ld until the GS820 is turned OFF As shown above statements written in multiple lines are evaluated in order from the top In the above example the initial value of variable X is undefined causing the first result to be a undefined value To prevent this from happening we will show an example in which NAN Not A Number is substituted in the initial value of variable X if J 0 then X NAN If first time s...

Страница 142: ...or example the following statement will cause the source level to be varied using a sine function with 10 V amplitude SL 5 SIN 2 PI TM Here SL is a built in variable that represents the source level SIN is the sine function PI is a built in variable that represents the ratio of circumference to diameter and TM is a built in variable that represents the timestamp The above statement will generate a...

Страница 143: ...mmediately DI Digital input 0 to 65535 Yes No AT Auxiliary trigger generation No Yes generates an auxiliary trigger immediately V Source level or measured value in voltage dimension Yes No I Source level or measured value in current dimension Yes No A to C Constant Allows a value to be entered from the panel when used in a statement Yes Yes J A counter Initial value is zero Incremented each time a...

Страница 144: ...e expression SQRT expression Returns the square root of the expression SIN expression Returns the sine of the expression COS expression Returns the cosine of the expression TAN expression Returns the tangent of the expression ASIN expression Returns the arc sine of the expression ACOS expression Returns the arc cosine of the expression ATAN expression Returns the arc tangent of the expression SINH...

Страница 145: ...lt File Result csv Generation Function 4 Press MakeFile soft key to select On or Off Starting the Storage Operation 5 Press STORE The storage operation starts and the STORE key illuminates Stopping the Storage Operation 6 Pressing STORE again after the storage operation is started stops the operation The STORE key turns OFF 9 1 IM 765601 01E Storing Measured Results and Recalling Statistical Compu...

Страница 146: ...rage When the GS820 is turned OFF the stored files are lost If you want to save the result files copy them to a different directory before you turn the GS820 OFF Stopping the Storage Operation After storing the specified number of points the storage operation automatically stops Manually Stopping the Storage Operation You can stop the storage operation before the specified number of points is reac...

Страница 147: ...lowing statistical computation parameters are displayed CH1 and CH2 are displayed simultaneously Maximum value minimum value Mean value Standard deviation Minimum value Maximum value Store count Statistical computation result of CH1 Statistical computation result of CH2 Corresponding Command Mnemonic TRACe CHANnel n ACTual TRACe CHANnel n STATistics 9 3 IM 765601 01E Storing Measured Results and R...

Страница 148: ...ction StartBNC Input Receives sweep start This is the same signal as START IN of the input terminal for synchronous operation SYNC IN on the rear panel The falling edge functions in the same manner as the START key Output Transmits the sweep start of the GS820 This is the same signal as START OUT of the output terminal for synchronous operation SYNC OUT on the rear panel TrigBNC Input Receives tri...

Страница 149: ...x 10 µs Output Circuit 5 V 100 Ω CAUTION Do not apply a voltage exceeding the TTL level to the input Do not short or apply external voltage to the output French ATTENTION N appliquez pas une tension supérieure au niveau TTL de l entrée Ne court circuitez pas la sortie et n appliquez par de tension externe à cette dernière Corresponding Command Mnemonic ROUTe BNC STARt INPut OUTPut ROUTe BNC TRIGge...

Страница 150: ...put Section Output level TTL level Output logic Negative logic comparison complete signal and comparison result signal Output Circuit 5 V 100 Ω CAUTION Do not apply a voltage exceeding the TTL level to the input Do not short or apply external voltage to the output French ATTENTION N appliquez pas une tension supérieure au niveau TTL de l entrée Ne court circuitez pas la sortie et n appliquez par d...

Страница 151: ...ult HIGH max value measured value Level Lo Pin 10 Pin 13 DO0 Digital output Level Lo3 Pin 12 Pin 34 DO1 Digital output Level Lo3 Pin 6 Pin 35 DO21 Digital output Level Lo3 Pin 36 DO31 Digital output Level Lo3 Pin 37 DO41 Digital output Level Lo3 Pin 38 DO51 Digital output Level Lo3 Pin 39 DO61 Digital output Level Lo3 Pin 40 DO71 Digital output Level Lo3 Pin 41 DO81 Digital output Level Lo3 Pin 43...

Страница 152: ...ound Pin 33 GND Signal ground Pin 42 RXD2 Pin 1 TXD2 Pin 2 232 GND2 Pin 3 RTS2 Pin 4 CTS2 Pin 5 1 Only on the digital I O 16 bit model 765602 765612 2 RS 232 interface port 3 A digital outputs transmits a low signal if 1 is written in the corresponding bit in a program file If a low signal is received in a digital input the corresponding bit will be 1 in the result file 4 Pin 1 is not used on the ...

Страница 153: ...mmercially sold cable for the RJ 11 connector is used to connect between two GS820s Synchronous operation becomes possible by connecting the synchronous operation output of a higher level GS820 to the synchronous operation input of a lower level GS820 Note that commercially sold RJ 11 straight cables come in three types 2 wire 4 wire or 6 wire Depending on the cable that is used functions that can...

Страница 154: ...or the procedure to select the auxiliary trigger source see section 10 5 Setting the Auxiliary Trigger Source AUX OUT ZERO IN Zero Source Control Input A control input for CH1 zero source This signal functions in the same way as the ZERO key The zero source turns ON when a falling edge is applied and the output turns ON when a rising edge is applied ZERO OUT Zero Source Control Output Transmits th...

Страница 155: ...t Select the master or slave setting for synchronous operation Master Set to master Performs sweep start trigger and output control Slave Set to slave Follows the sweep start trigger and output control that are received through the SYNC IN terminal see section 10 3 Synchronous Operation The default setting is Master Note If you want to also synchronize the operation of CH2 enable the inter channel...

Страница 156: ...etails on the auxiliary trigger source see Trigger Block Diagram in section 2 6 Triggering page 2 27 MeasBusy Indicates measurement in progress Transmits a low signal when the measurement operation starts and a high signal when the measurement operation ends Timer1 Generates a 10 µs low edge pulse when Timer1 is generated Timer2 Generates a 10 µs low edge pulse when Timer2 is generated Through Pas...

Страница 157: ...te Be sure to name the file containing the IP addresses to NodeList txt Check that all GS820s are connected to the network before turning the channel expansion function ON If any of the slave units is not connected properly an error occurs when the channel expansion function is turned ON and the function automatically turns OFF Channel expansion is not possible when there is a mixture of 18 V mode...

Страница 158: ... RamDisk soft key While saving the characters of the RamDisk soft key is highlighted When the save operation is completed the display returns to the SETUP menu Saving to the Non Volatile Storage GS820ROM 3 Press any of the Setup1 to Setup4 soft keys While saving the characters of the soft key that you pressed is highlighted When the save operation is completed the display returns to the SETUP menu...

Страница 159: ...ved in the SETUP folder in the GS820ROM If a setup file with the same number already exists it is overwritten Note The setup file is a text file containing a sequence of command mnemonics You can edit the contents on your PC The file stored in the SETUP directory on the GS820ROM can be renamed on your PC However do not rename the default setup file Default txt Corresponding Command Mnemonic SYSTem...

Страница 160: ...etup file is loaded and the display returns to the numeric display Explanation A saved setup file can be loaded to restore the settings Note Loading the Default txt file sets the GS820 to factory default settings For details on the Default txt file see appendix 18 6 Contents of the Factory Default Setup File Default txt Corresponding Command Mnemonic SYSTem SETup LOAD character string RCL 1 2 3 4 ...

Страница 161: ...llows you to view the contents of the selected setup file 3 Press the PowerOn Setup soft key An asterisk is appears by the selected setup file Explanation The setup files are the files that are saved in section 11 1 Saving the Setup Data and the factory default setup file Default txt If Default txt is selected the GS820 powers on with the factory default settings Corresponding Command Mnemonic SYS...

Страница 162: ... any key or turn the rotary knob Explanation Selecting the Display Brightness You can select the display brightness in the range of 1 to 4 The darkest setting is 1 and the brightest setting is 4 Turning the Display OFF Turning the display OFF extends the life of the display and suppresses the noise that the display generates In addition the communication speed improves slightly Note The settings a...

Страница 163: ...e format 3 Press the DecPoint or Separate soft key to select the CSV file format The two soft keys are linked Explanation The following format combinations are available The decimal point is a period and the separator is a comma The decimal point is a comma and the separator is a semicolon The default setting is the combination of a period and a comma 11 6 IM 765601 01E ...

Страница 164: ...key to select On or Off Explanation If the beep sound is turned ON a beep sound is generated such as when an error occurs during operation Note The setting is retained even if the GS820 is turned OFF Corresponding Command Mnemonic SYSTem BEEPer 1 0 ON OFF 11 7 IM 765601 01E Other Functions 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 165: ...e is displayed in the error log until the problem indicated by the message is resolved It is not cleared even if the Clear soft key is pressed For the meaning and corrective action of messages see section 17 2 Error Code Descriptions and Corrective Actions Note The error memory is also cleared if the error is read using a communication command SYSTem ERRor or if the GS820 is turned OFF You can als...

Страница 166: ...d ON all keys are disabled except for the power switch and the SHIFT KEY LOCK key Turning the Key Lock OFF 1 Press SHIFT KEY LOCK when key lock is ON The key lock turns OFF and the KEY LOCK indicator turns OFF All keys are enabled Explanation Corresponding Command Mnemonic SYSTem KLOCk 1 0 ON OFF 11 9 IM 765601 01E Other Functions 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 167: ... setting to specify a data type of ASCII Relationship with the TRACe CHANnel n DATA FORMat command see page 16 33 If you use this setting to specify the data type to ASCII and then use the TRACe CHANnel n DATA FORMat command to set the data format to binary and then load stored data the data is loaded as the text string when text is specified In all other cases the stored data is loaded in the dat...

Страница 168: ... GS820 can be controlled using commands from a VISA Virtual Instrument Software Architecture library A VISA library must be installed in your PC in advance to perform command control by way of USB TMC USB Interface Specifications Electrical and mechanical specifications Conforms to USB Rev 2 0 Connector Type B connector receptacle Number of ports 1 Power supply Self powered Connecting to the Netwo...

Страница 169: ...unction 3 Press the USB soft key to display the USB Mode menu 4 Press the soft key corresponding to the desired USB interface function Explanation Selecting the USB Interface Function Storage Select this to use the USB storage function see section 4 6 USB Storage Function USB TMC Select this to perform command control from a VISA library Corresponding Command Mnemonic SYSTem COMMunicate USB FUNCti...

Страница 170: ...nation VISA information contains the character string that is passed to open a device viOpen using a VISA library GPIB A character string that is passed to viOpen when using the GP IB interface RS232 A character string that is passed to viOpen when using the RS 232 interface The x in ASRLx is the COM port number to be used on your PC LAN A character string that is passed to viOpen when using the V...

Страница 171: ...55 that allows up to five clients to connect The terminator CR LF or CR LF can be specified FTP server function An anonymous FTP server at port 21 that allows up to five clients to connect HTTP server Web server function A function that enables various information to be displayed and performs remote control of the GS820 through port 80 using a Web browser Ethernet Interface Specifications Connecto...

Страница 172: ...ERROR MISC INFO LOCAL SYNC SHIFT TIMER POWER MEASURE RANGE MODE V I SOURCE RANGE V I CONFIG NULL MATH COMPARE CONFIG PULSE LIMIT SWEEP AUTO AUTO START CONTROL TRIG HOLD CONFIG ZERO OUTPUT CH 1 CONFIG 4WIRE SENSE CONFIG Hi ZERO OUTPUT CONFIG 4WIRE SENSE CONFIG Hi Lo Lo ALL TERMINALS 250V MAX TO CH 2 KEYLOCK 7 8 9 4 5 6 1 2 3 0 BS To Make a One to One Connection with Your PC Hub or router that suppo...

Страница 173: ...On or Off Setting the IP Address You can set the IP address only if DHCP is OFF 5 Press the IP Address soft key to display the IP address setup screen 6 Press the numeric keys to set the IP address 7 Press the Enter soft key to confirm the setting Setting the Subnet Mask You can set the subnet mask only if DHCP is OFF 5 Press the Subnet Mask soft key to display the subnet mask setup screen 6 Press...

Страница 174: ...ed terminator Explanation To use the network function of the GS820 the TCP IP parameters must be configured DHCP Dynamic Host Configuration Protocol DHCP is a protocol that allocates settings that are temporarily needed to PCs connecting to the network If DHCP is turned ON the following settings will be automatically assigned IP address Subnet mask Default gateway To use DHCP the network must have...

Страница 175: ...e value This parameter is automatically assigned in environments using DHCP Transmission Terminator You can set the terminator that is used to send data from the command control server at port 7655 Select CR LF or CR LF The GS820 handles CR LF and CR LF as a terminator when receiving data Note If you change the network settings you may need to power cycle the GS820 Network parameters such as the I...

Страница 176: ...is cycled Explanation You can view the following network settings MAC address A unique 48 bit address assigned to the GS820 IP address see section 13 3 Subnet mask see section 13 3 Default gateway see section 13 3 Note If DHCP is enabled 0 0 0 0 will be displayed for the IP address subnet mask and default gateway until the addresses are assigned If the display does not change even after 30 seconds...

Страница 177: ...Set or query the GS820 by sending communication commands from the command control screen Communication environment display View the communication parameters on the status display FTP server function View the files on the GS820 volatile storage GS820RAM or non volatile storage GS820ROM and transmit or copy files to your PC Environment on the GS820 Connect the GS820 to the network using the Ethernet...

Страница 178: ...IP address example http 10 0 159 30 3 If a connection to the GS820 Web server is established the top page of the GS820 Web Service is displayed Web Server Window FTP server function Remote panel function Link to the top page of the YOKOGAWA website Link to the GS820 page of the YOKOGAWA website Command control function Communication environment display 13 5 Web Server Function ...

Страница 179: ...pdate interval The GS820 can be controlled in the same manner as using the actual keys on the GS820 Point the cursor to the desired key and click The operation on the remote panel is immediately applied to the GS820 To reflect the operations on the GS820 to the remote panel click Update Panel in the Web server window Click Start Auto Update to automatically apply the operations on the GS820 to the...

Страница 180: ...anel to set or query the GS820 Type the communication command in the command transmission area and click Submit The response to the transmitted communication command is displayed in the response display area Displaying the Communication Environment Click the word Status in the Web server window to display the communication environment page Update the displayed information The communication environ...

Страница 181: ...nked to the volatile storage GS820RAM and non volatile storage GS820ROM on the GS820 The files in the GS820 storage can be viewed duplicated deleted or transferred to your PC from the remote panel For details on the volatile storage GS820RAM and non volatile storage GS820ROM see USB Storage Function on page 2 36 13 5 Web Server Function 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 182: ...create response data during reception There are no queries of which the response data are created upon receiving a send request from the controller e Commands that have parameters that restrict one another See the example of the commands given in section 16 2 6 Items that are included in the functional or composite header elements constituting a command See sections 16 1 and 16 2 7 Buffer sizes th...

Страница 183: ... test that is executed from the front panel Returns 0 if successful otherwise returns an error code The self test consists of the RAM test ROM test digital test CH1 analog test and CH2 analog test 21 The structure of the extended return status See section 16 3 22 Whether each command is processed in an overlapped manner or sequentially All commands are sequential commands 23 The description of the...

Страница 184: ...n the remote mode causes the instrument to switch to the local mode The remote indicator turns OFF Key operations are enabled Settings entered in remote mode are retained even when the GS820 switches to local mode GP IB Interface Specifications Electrical and Mechanical Specifications Conforms to IEEE St d 488 1978 Mechanical Specifications See the table below Used Codes ISO ASCII codes Mode Addre...

Страница 185: ...ly tighten the screws on the GP IB cable connector Multiple devices can be connected to a single GP IB system However no more than 15 devices including the controller can be connected to a single system When connecting multiple devices each device must have its own unique address Use a cable of length 2 m or less for connecting the devices Make sure the total length of all cables does not exceed 2...

Страница 186: ...he GP IB address If you use the numeric keys press the Enter soft key to confirm the setting Explanation GP IB Address Each device that can be connected via GP IB has a unique address within the GP IB system This address is used to distinguish the device from others If you are connecting the GS820 to a controller such as a PC select the GP IB address of the GS820 on the PC side Selectable range 0 ...

Страница 187: ... Poll Unconfigure SPE Serial Poll Enable and SPD Serial Poll Disable Other Interface Messages Listener address talker address and secondary commands are also considered interface messages Difference between SDC and DCL In multi line messages SDC messages are those that require talker or listener designation and DCL messages are those that do not require the designation Therefore SDC messages are d...

Страница 188: ...trol both transmission and reception Software handshaking X ON and X OFF signals can be used to control both transmission and reception X ON ASCII 11H and X OFF ASCII 13H Received buffer size 64 KB Chapter 15 RS 232 Interface Switching between Remote and Local Modes When Switching from Local to Remote Mode If the GS820 receives a SYSTem REMote command from the PC when it is in the local mode it sw...

Страница 189: ... Data Received data from your PC Signal direction Input 3 2 SD Send Data Transmitted data to your PC Signal direction Output 5 3 SG Signal Ground Signal ground 7 4 RS Request to Send Handshaking used to receive data from your PC Signal direction Output 8 5 CS Clear to Send Handshaking used to send data to your PC Signal direction Input Pins 1 4 6 and 9 are not used on the 765601 and 765611 Only pi...

Страница 190: ...9 pin connector In general use a cross cable SD RD RS CS SG SD RD RS SG CTS RTS handshaking is not possible PC GS820 SD RD RS CS SG SD RD RS SG CTS RTS handshaking is possible PC GS820 CS CS 2 3 8 7 5 2 3 8 7 5 2 3 8 7 5 2 3 8 7 5 15 3 IM 765601 01E RS 232 Interface 15 2 Connection via the RS 232 Interface ...

Страница 191: ...ccur Select no handshaking if you are transmitting data in this manner Hardware Handshaking CTS RTS Hardware handshaking stops the transmission by setting CTS to false before the receive buffer becomes full and resumes the transmission by setting CTS to true when there is enough free space in the receive buffer Software Handshaking XON XOFF Software handshaking stops the transmission by sending an...

Страница 192: ...e Data Length 4 Press the DataBit soft key to select the data length Selecting the Parity Bit 4 Press the Parity soft key to display the parity menu 5 Press the soft key corresponding to the desired parity Selecting the Stop Bits 4 Press the StopBit soft key to select the stop bits Selecting the Handshaking Method 4 Press the Flow soft key to display the handshaking menu 5 Press the soft key corre...

Страница 193: ...g 1 bit or 2 bits Selecting the Handshaking Method Select the transmit data control and receive data control from the following None XON or CTS RTS Selecting the Terminator On the GS820 menu select the terminator that is used when transmitting data from the GS820 from the following CR LF or CR LF The GS820 handles any of the characters CR LF and CR LF as a terminator when receiving data Correspond...

Страница 194: ...ts a response a query the instrument returns a response message upon receiving the program message A single response message is always returned in response to a single program message Program Messages Data that is sent from the controller to the instrument is called a program message The program message format is shown below PMT Program message unit Program Message Unit A program message consists ...

Страница 195: ...ts of one or more response message units each response message unit corresponds to one response Response message units are separated by a semicolon For details regarding the format of the response message unit see the next section Example Unit Unit SOURce FUNCtion CURRent RANGe 1 2E 0 PMT RMT RMT is a response message terminator It is NL END Response Message Unit Format The response message unit f...

Страница 196: ...come full at the same time the instrument will no longer be able to operate This state is called a deadlock In this case operation can be resumed by discarding response messages Deadlock will not occur if the program message including the PMT is kept below 64 KB Furthermore deadlock never occurs if a program message does not contain a query 16 1 3 Commands Commands There are three types of command...

Страница 197: ...en Concatenating Common Commands Common commands that are defined in the IEEE 488 2 1992 are independent of hierarchy A colon is not needed before a common command Example CHANnel1 OUTPut ON OPC PMT When Separating Commands with PMT If a terminator is used to separate two commands each command is a separate message Therefore the common header must be specified for each command even when commands b...

Страница 198: ...ating point number Voltage Value to which a voltage unit V can be attached 1 25mV Current A Value to which a current unit A can be attached 75 1E 2A Time A Value to which a time unit S can be attached 360S Resistance A Value to which a resistance unit ohm can be attached 4 7kohm Binary Octal Hexadecimal A binary number following B an octal number following Q or an hexadecimal number following H B1...

Страница 199: ...of bytes of data example 00000010 10 bytes Data byte sequence Expresses the actual data example ABCDEFGHIJ Data is comprised of 8 bit values 0 to 255 This means that the ASCII code 0AH which stands for NL can also be a code used for data Hence care must be taken when programming the controller Multiplier The table below lists the multipliers that can be added after a value Symbol Word Multiplier E...

Страница 200: ...urrent setting 16 15 MODE Sets the source mode constant sweep programmable or single step or queries the current setting 16 16 DELay Sets the source delay or queries the current setting 16 16 LIST SELect Sets the programmable sweep pattern file or queries the current setting 16 16 CATalog Queries a list of programmable sweep pattern files 16 16 DELete Deletes a programmable sweep pattern file 16 1...

Страница 201: ...the current upper limit for voltage source mode or queries the current setting 16 22 LOWer Sets the current lower limit for voltage source mode or queries the current setting 16 22 SWEep SPACing Sets the sweep type linear or log or queries the current setting 16 22 STARt Sets the current sweep start value or queries the current setting 16 22 STOP Sets the current sweep stop value or queries the cu...

Страница 202: ...8 ZERO AUTO Turns ON OFF the auto zero function or queries the current setting 16 28 EXECute Executes zero calibration 16 28 REMote Sets the wiring system ON 4W and OFF 2W or queries the current setting 16 28 Computation Commands CALCulate Group CHANnel n CALCulate NULL STATe Turns ON OFF the NULL computation function or queries the current setting 16 29 OFFSet Sets the NULL computation offset val...

Страница 203: ...he current setting 16 33 POINts Sets the store count or queries the current setting 16 33 CHANnel n ACTual Queries the actual number of stored points 16 33 DATA FORMat Sets the read data format ASCII or binary for the stored data or queries the current setting 16 33 ENDian Sets the stored result read byte order Big or Little for binary format or queries the current setting 16 33 READ Reads the sto...

Страница 204: ...urrent setting 16 39 LFRequency Sets the line frequency 50 Hz or 60 Hz or queries the current setting 16 39 AUTO Turns ON OFF the line frequency auto selection function or queries the current setting 16 39 COMMunicate GPIB ADDRess Sets the GP IB address or queries the current setting 16 39 RS232 BAUDrate Sets the RS 232 baud rate 9600 bps to 115200 bps or queries the current setting 16 39 DLENgth ...

Страница 205: ...valent to TRIGger 16 43 CAL Executes the source offset calibration of both channels and queries the result 16 43 TST Performs a self test and queries the result 16 43 RST Initializes the settings to factory default values 16 43 SAV Saves the setup data 16 43 RCL Loads the setup data 16 43 CLS Clears the event register and error queue 16 43 STB Queries the status byte and clears the SRQ 16 43 SRE S...

Страница 206: ...F Zero or queries the current setting Syntax CHANnel n OUTPut STATe 1 0 ON OFF ZERO 1 or ON Turns the output ON 0 or OFF Turns the output OFF ZERO Sets the output to zero CHANnel n OUTPut STATe 1 The output is ON 0 The output is OFF ZERO The output is zero Example OUTP ON CHAN2 OUTP STAT ZERO CHAN1 OUTP STAT 16 2 2 Output Commands OUTPut Group 16 2 Commands ...

Страница 207: ...AUXiliary POLarity Function Sets the auxiliary trigger polarity normal or inverted or queries the current setting Syntax CHANnel n SWEep TRIGger AUXiliary POLarity NORMal INVerted NORMal Selects normal falling edge INVerted Selects inverted rising edge CHANnel n SWEep TRIGger AUXiliary POLarity NORM Set to normal falling edge INV Set to inverted rising edge Example SWE TRIG AUX POL NORM CHAN2 SWE ...

Страница 208: ...t to measurement end Example SOUR TRIG TIM1 CHAN2 SOUR TRIG EXT CHAN1 SOUR TRIG 16 2 Commands CHANnel n SOURce TRIGge AUXiliary POLarity Function Sets the auxiliary trigger polarity normal or inverted or queries the current setting Syntax CHANnel n SOURce TRIGge AUXiliary POLarity NORMal INVerted NORMal Selects normal falling edge INVerted Selects inverted rising edge CHANnel n SOURce TRIGge AUXil...

Страница 209: ...Rce LIST CATalog Function Queries the list of programmable sweep pattern files Syntax CHANnel n SOURce LIST CATalog character string Pattern file name list Example SOUR LIST CAT CHANnel n SOURce LIST DELete Function Deletes a programmable sweep pattern file Syntax CHANnel n SOURce LIST DELete character string character string The name of the pattern file to be deleted Example SOUR LIST DEL Test1 c...

Страница 210: ...imiter function or queries the current setting Syntax CHANnel n SOURce VOLTage PROTection STATe 1 0 ON OFF 1 or ON Turns the limiter function ON 0 or OFF Turns the limiter function OFF CHANnel n SOURce VOLTage PROTection STATe 1 The limiter function is ON 0 The limiter function is OFF Example SOUR VOLT PROT ON CHAN2 SOUR VOLT PROT STAT 0 CHAN1 SOUR VOLT PROT STAT DescriptionIf VOLTage is omitted t...

Страница 211: ...OT LOW 2 0 CHAN2 SOUR VOLT PROT LOW 2 5V CHAN1 SOUR VOLT PROT LOW DescriptionIf VOLTage is omitted the GS820 assumes that the present limit function was specified CHANnel n SOURce VOLTage SWEep SPACing Function Sets the sweep type linear or log or queries the current setting Syntax CHANnel n SOURce VOLTage SWEep SPACing LINear LOGarithmic LINear Selects linear sweep LOGarithmic Selects log sweep C...

Страница 212: ... SOUR VOLT SWE STEP DescriptionIf VOLTage is omitted the GS820 assumes that the present source function was specified CHANnel n SOURce VOLTage SWEep POINts Function Sets the number of divisions of the voltage log sweep or queries the current setting Syntax CHANnel n SOURce VOLTage SWEep POINts integer MINimum MAXimum integer Specify any number of divisions of the voltage log sweep MINimum Sets the...

Страница 213: ...OUR VOLT ZERO IMP DescriptionIf VOLTage is omitted the GS820 assumes that the present source function was specified 16 2 Commands CHANnel n SOURce CURRent RANGe Function Sets the current source range or queries the current setting Syntax CHANnel n SOURce CURRent RANGe current MINimum MAXimum UP DOWN current Specify any current range The smallest range that includes the specified current will be se...

Страница 214: ...nction is ON 0 The limiter function is OFF Example SOUR CURR PROT ON CHAN2 SOUR CURR PROT STAT 0 CHAN1 SOUR CURR PROT STAT DescriptionIf CURRent is omitted the GS820 assumes that the present limit function was specified CHANnel n SOURce CURRent PROTection LINKage Function Turns ON OFF the limiter tracking function or queries the current setting Syntax CHANnel n SOURce CURRent PROTection LINKage 1 ...

Страница 215: ...PROT LOW 2 0 CHAN2 SOUR CURR PROT LOW 1 5A CHAN1 SOUR CURR PROT LOW DescriptionIf CURRent is omitted the GS820 assumes that the present limit function was specified CHANnel n SOURce CURRent SWEep SPACing Function Sets the sweep type linear or log or queries the current setting Syntax CHANnel n SOURce CURRent SWEep SPACing LINear LOGarithmic LINear Selects linear sweep LOGarithmic Selects log sweep...

Страница 216: ... SOUR CURR SWE STEP DescriptionIf CURRent is omitted the GS820 assumes that the present source function was specified CHANnel n SOURce CURRent SWEep POINts Function Sets the number of divisions of the current log sweep or queries the current setting Syntax CHANnel n SOURce CURRent SWEep POINts integer MINimum MAXimum integer Specify any number of divisions of the current log sweep MINimum Sets the...

Страница 217: ...ent PULSe BASE current The present current pulse base value Example SOUR CURR PULS BASE 0 75 CHAN2 SOUR CURR PULS BASE 5mA CHAN1 SOUR CURR PULS BASE DescriptionIf CURRent is omitted the GS820 assumes that the present source function was specified CHANnel n SOURce CURRent ZERO IMPedance Function Sets the impedance high or low for current zero source or queries the current setting Syntax CHANnel n S...

Страница 218: ... falling edge INVerted Selects inverted rising edge CHANnel n SENSe TRIGger AUXiliary POLarity NORM Set to normal falling edge INV Set to inverted rising edge Example SENS TRIG AUX POL INV CHAN2 SENS TRIG AUX POL NORM CHAN1 SENS TRIG AUX POL CHANnel n SENSe STATe Function Turns ON OFF the measurement function or queries the current setting Syntax CHANnel n SENSe STATe 1 0 ON OFF 1 or ON Turns the ...

Страница 219: ...esent measurement function was specified CHANnel n SENSe VOLTage RANGe AUTO Function Turns ON OFF the auto measurement range or queries the current setting Syntax CHANnel n SENSe VOLTage RANGe AUTO 1 0 ON OFF 1 or ON Enables auto range 0 or OFF Enables fixed range CHANnel n SENSe VOLTage RANGe AUTO 1 Set to auto range 0 Set to fixed range Example SENS RANG AUTO ON CHAN2 SENS VOLT RANG AUTO 0 CHAN1...

Страница 220: ...AN1 SENS RES RANG DescriptionIf RESistance is omitted the GS820 assumes that the present measurement function was specified CHANnel n SENSe RESistance RANGe AUTO Function Turns ON OFF the auto measurement range or queries the current setting Syntax CHANnel n SENSe RESistance RANGe AUTO 1 0 ON OFF 1 or ON Enables auto range 0 or OFF Enables fixed range CHANnel n SENSe RESistance RANGe AUTO 1 Set to...

Страница 221: ...imum MAXimum integer Specify any average count MINimum Sets the minimum value 2 MAXimum Sets the maximum value 256 CHANnel n SENSe AVERage COUNt integer The present average count Example SENS AVER COUN MAX CHAN2 SENS AVER COUN 5 CHAN1 SENS AVER COUN CHANnel n SENSe ZERO AUTO Function Turns ON OFF the auto zero function or queries the current setting Syntax CHANnel n SENSe ZERO AUTO 1 0 ON OFF 1 or...

Страница 222: ...ion function is ON 0 The equation computation function is OFF Example CALC MATH ON CHAN2 CALC MATH STAT 0 CHAN1 CALC MATH STAT CHANnel n CALCulate MATH SELect Function Sets the equation definition file or queries the current setting Syntax CHANnel n CALCulate MATH SELect character string character string Specify any MATH definition file name NONE MATH definition file not selected condition CHANnel...

Страница 223: ...te MATH LIMit STATe 1 0 ON OFF 1 or ON Turns the comparison operation function ON 0 or OFF Turns the comparison operation function OFF CHANnel n CALCulate MATH LIMit STATe 1 The comparison operation function is ON 0 The comparison operation function is OFF Example CALC LIM ON CHAN2 CALC LIM STAT 0 CHAN1 CALC LIM STAT CHANnel n CALCulate MATH LIMIT UPPer Function Sets the upper limit for comparison...

Страница 224: ...e measured result and queries the measured result Syntax CHANnel n READ DUAL DUAL Requests the command on two channels If DUAL is not specified the request is made on a specified channel real number Measured result of CHANNel n real number 1 real number 2 Measured result of CH1 measured result of CH2 Example READ CHAN2 MEAS MEAS DUAL CHANnel n MEASure Function Clears the measured result generates ...

Страница 225: ...1 0 ON OFF 1 or ON Enables trigger hold 0 or OFF Releases trigger hold TRIGger HOLD 1 Trigger hold enabled 0 Trigger hold disabled Example TRIG HOLD ON TRIG HOLD 0 TRIG HOLD TRIGger TIMer n Function Sets the period of Timer1 or 2 or queries the current setting Syntax TRIGger TIMer n time MINimum MAXimum time Specify any timer period MINimum Sets the minimum value 100 μs MAXimum Sets the maximum va...

Страница 226: ...s the result file generation function OFF TRACe FILE CREate 1 The result file generation function is ON 0 The result file generation function is OFF Example TRAC FILE CRE ON TRAC FILE CRE 0 TRAC FILE CRE TRACe POINts Function Sets the storage count or queries the current setting Syntax TRACe POINts integer MINimum MAXimum integer Specify any storage count MINimum Sets the minimum value 1 MAXimum S...

Страница 227: ...rmat is byte ML Requests a measurement level sequence Binary format is double precision real number LC Requests a comparison lower limit sequence Binary format is double precision real number HC Requests a comparison upper limit sequence Binary format is double precision real number CP Requests a comparison result sequence Binary format is byte value 1 value 2 Data sequence for ASCII format block ...

Страница 228: ...r queries the current setting Syntax SYNChronize CHANnel 1 0 ON OFF 1 or ON Specifies synchronous operation between channels 0 or OFF Specifies asynchronous operation between channels SYNChronize CHANnel 1 Inter channel synchronous operation enabled 0 Inter channel asynchronous operation enabled Example SYNC CHAN ON SYNC CHAN SYNChronize EXPand Function Turns ON OFF the channel expansion function ...

Страница 229: ...he current setting Syntax ROUTe BNC TRIGger INPut OUTPut INPut Sets the trigger BNC to input OUTPut Sets the trigger BNC to output ROUTe BNC TRIGger INP Set to input OUTP Set to output Example ROUT BNC TRIG INP ROUT BNC TRIG ROUTe AUXiliary Function Sets the auxiliary trigger output source CH1 measuring Timer1 2 or through or queries the current setting Syntax ROUTe AUXiliary SENSe TIMer1 TIMer2 T...

Страница 230: ...ter string Displayed user message Example SYST DISP TEXT User Message SYSTem DISPlay TEXT CLEar Function Clears the user message display Syntax SYSTem DISPlay TEXT CLEar Example SYST DISP CLE SYSTem DISPlay CHANnel Function Switches the display CH1 display CH2 display or both CH display Syntax SYSTem DISPlay CHANnel 1 2 DUAL 1 Sets to CH1 display 2 Sets to CH2 display DUAL Sets to dual channel dis...

Страница 231: ...p CATalog character string A list of setup data file names Example SYST SET CAT SYSTem SETup DELete Function Deletes the setup data file Syntax SYSTem SETup DELete character string character string The name of the setup data file to be deleted Example SYST SET DEL XY_Test txt SYSTem SETup PON Function Sets the setup at power on or queries the current setting Syntax SYSTem SETup PON character strin...

Страница 232: ...between 0 and 30 SYSTem COMMunicate GPIB ADDRess integer The present address Example SYST COMM GPIB ADDR 15 SYST COMM GPIB ADDR SYSTem COMMunicate RS232 BAUDrate Function Sets the RS 232 baud rate 9600 bps to 115200 bps or queries the current setting Syntax SYSTem COMMunicate RS232 BAUDrate 9600 14400 19200 38400 57600 115200 9600 Selects 9600 bps 14400 Selects 14400 bps 19200 Selects 19200 bps 38...

Страница 233: ...t MAC address Syntax SYSTem COMMunicate ETHer MAC character string Returns the MAC address in 00 00 00 00 00 00 format Example SYST COMM ETH MAC SYSTem COMMunicate ETHer PORT Function Queries the command socket port number of Ethernet Syntax SYSTem COMMunicate ETHer PORT 7655 The port number of the command socket Example SYST COMM ETH PORT SYSTem COMMunicate ETHer DHCP Function Turns ON OFF the DH...

Страница 234: ...et terminator CR LF or CR LF or queries the current setting Syntax SYSTem COMMunicate ETHer TERMinator CR LF CRLF CR Selects CR LF Selects LF CRLF Selects CR LF SYSTem COMMunicate ETHer TERMinator CR Set to CR LF Set to LF CRLF Set to CR LF Example SYST COMM ETH TERM CRLF SYST COMM ETH TERM SYSTem COMMunicate USB FUNCtion Function Selects the USB function storage or USB TMC or queries the current ...

Страница 235: ...r The present source event enable register value Example STAT SOUR ENAB 16385 STAT SOUR ENAB H4001 STAT SOUR ENAB STATus SENSe CONDition Function Queries the measurement event condition register Syntax STATus SENSe CONDition integer The present measurement event condition register value Example STAT SENS COND STATus SENSe EVENt Function Queries the measurement event register and clears the registe...

Страница 236: ...Function Sets the standard event enable register or queries the current setting Syntax ESE integer integer Specify any value between 0 to 255 ESE integer The present standard event enable register value Example ESE 6 ESE IDN Function Queries the device information Syntax IDN YOKOGAWA product model serial number firmware revision Product model 765601 765602 765611 765612 Example IDN OPT Function Qu...

Страница 237: ...us commands is completed Syntax OPC Example OPC OPC Function Generates a response when the execution of all previous commands is completed Syntax OPC 1 Execution of all commands completed Example OPC WAI Function Waits for the completion of the overlap command Syntax WAI Example WAI 16 2 Commands ...

Страница 238: ...SB EAV ESB OPC ESR ESE ESE STB SRE SRE COND EVEN ENAB ENAB COND EVEN ENAB ENAB OPC QYE DDE EXE CME PON Power On Command Error Execution Error Device Error Query Error Request Service Event Summary Bit Source Event Summary Bit Measure Event Summary Bit Start Sampling Error Trigger Sampling Error CH2 Over Range CH2 Compare result is High CH2 Compare result is Low CH1 Over Range CH1 Compare result is...

Страница 239: ...register and each bit of the corresponding enable register is 1 See the page 16 51 Bit 1 SSB Source Event Summary Bit Set to 1 when the logical product of each bit of the source event register and each bit of the corresponding enable register is 1 See the page 16 49 Bit 2 EAV Error Available Set to 1 when the error queue is not empty In other words this bit is set to 1 when an error occurs See the...

Страница 240: ...ult the corresponding bits in the status byte are cleared except bit 4 MAV since the output queue cannot be emptied by the CLS command However the output queue will also be cleared if the CLS command is received just after a program message terminator 16 3 3 Standard Event Register Standard Event Register URQ 6 PON 7 5 4 3 2 1 0 CME EXE DDE QYE RQC OPC Bit 7 PON Power ON Set to 1 when the instrume...

Страница 241: ...t to 1 if bit 2 of the standard event enable register is 1 In addition you can also check what type of event occurred in the instrument by reading the contents of the standard event register Reading the Standard Event Register The ESR command can be used to read the contents of the standard event register After the register is read it is cleared Clearing the Standard Event Register The standard ev...

Страница 242: ...ration is in progress The bit in the event register is set to 1 when the condition register bit changes from 0 to 1 Bit 8 EOS2 CH2 End of Sweep The bit in the condition register is set to 1 if the CH2 sweep operation is completed Bit 7 Not used always 0 Bit 6 Not used always 0 Bit 5 EMR1 CH1 Emergency The bit in the condition register is set to 1 if the temperature error or overcurrent protection ...

Страница 243: ... the Source Event Register The source event register is cleared in the following three cases When the contents of the source event register is read by the STATus SOURce EVENt command When a CLS command is received When the instrument is power cycled ...

Страница 244: ...9 Not used always 0 Bit 8 EOM2 CH2 End of Measure The bit in the condition register is set to 0 if the measurement is in progress on CH2 and 1 if not The bit in the event register is set to 1 when the condition register bit changes from 0 to 1 Bit 7 Not used always 0 Bit 6 Not used always 0 Bit 5 OVR12 CH1 Over Range The bit in the condition register is set to 1 if the measured result of CH1 is ov...

Страница 245: ...eceived When the instrument is power cycled The CLS command cannot be used to clear the output queue To see whether the output queue is empty or not check bit 4 MAV of the status byte D1 D2 D1 D2 D1 Error Queue The error queue stores the error number and message when an error occurs For example if the controller sends an incorrect program message the error number and message 113 Undefined header a...

Страница 246: ...mming Platform and Language Target machine Windows PC Language Visual Basic Version 5 0 Professional Edition or higher GPIB board AT GPIB TNT IEEE 488 2 by National Instruments Settings on Visual Basic Standard modules used Niglobal bas Vbib 32 bas GS820 Settings GP IB The sample programs given in this chapter use a GP IB address of 1 for the GS820 Set the GP IB address to 1 according to the proce...

Страница 247: ...ONE Flow control for RS232VI_ VI_ASRL_FLOW_NONE ASRL_FLOW_XON_XOFF VI_ASRL_FLOW_RTS_CTS Open function Function CommOpen ByVal rsrc ByVal name As String As Long Dim ret vi As Long ret viOpen rsrc name 0 0 vi If ret 0 Then CommOpen ret Else CommOpen vi Call viSetAttribute vi VI_ATTR_ASRL_BAUD RS232_BAUD Call viSetAttribute vi VI_ATTR_ASRL_DATA_BITS RS232_DBIT Call viSetAttribute vi VI_ATTR_ASRL_STOP...

Страница 248: ...ption successful If Mid msg act 1 Chr 10 Then act act 1 If last byte is LF subtract 1 from the number of received characters CommRecv act End If End Function Character string reception function Function CommRecvString ByVal vi As Long As String Dim buf As String 256 Dim ret As Integer ret CommRecv vi buf Receive in the 256 byte receive buffer If ret 0 Then If reception error CommRecvString Receive...

Страница 249: ... time 1 PLC Auto zero ON Measurement trigger Source change Source delay Minimum 0 us Timer1 period 100 ms Output ON Function Setup1 ByVal dev As Long Call CommSend dev RST Reset to factory default settings Call CommSend dev CHAN1 SOUR FUNC CURR Source function Current Call CommSend dev CHAN1 SOUR RANG 1A Source range 1 A Call CommSend dev CHAN1 SOUR PROT LINK ON Limiter tracking ON Call CommSend d...

Страница 250: ...S DEL MIN Measurement delay Minimum Call CommSend dev TRIG TIM1 100ms Timer1 period 100 ms Call CommSend dev CHAN1 OUTP ON Output ON Call CommSend dev OPC Wait for the setting to complete Call CommRecvString dev End Function Function SampleSequence1 ByVal dname As String ByVal rm As Long Dim i dev As Long Dim result 9 As Double dev CommOpen rm dname Open the device Call Setup1 dev To Setup 1 For i...

Страница 251: ...ion time Minimum 250 us Auto zero OFF Measurement trigger Source change Measurement delay 1 ms Output ON Function Setup2 ByVal dev As Long Call CommSend dev RST Reset to factory default settings Call CommSend dev CHAN2 SOUR FUNC VOLT Source function Voltage Call CommSend dev CHAN2 SOUR RANG 20V Source range 20 V Call CommSend dev CHAN2 SOUR PROT LINK ON Limiter tracking ON Call CommSend dev CHAN2 ...

Страница 252: ...im result 4 As Double dev CommOpen rm dname Open the device Call Setup2 dev To Setup 2 Call CommSend dev CHAN2 SOUR LEV 2 8 Set the level to 2 8 V Call CommSend dev CHAN2 MEAS Generate a trigger and read the result result 0 Val CommRecvString dev Call CommSend dev CHAN2 SOUR LEV 2 9 Set the level to 2 9 V Call CommSend dev CHAN2 MEAS Generate a trigger and read the result result 1 Val CommRecvStri...

Страница 253: ...tage Measurement function Current Source delay Minimum 15 us Measurement trigger Source change Measurement delay 250 us Sweep mode Single step sweep Output ON CH2 settings Source delay Minimum 15 us Source function Current Measurement function Voltage Measurement trigger Source change Measurement delay 250 us Sweep mode Single step sweep Output ON Function Setup3 ByVal dev As Long Call CommSend de...

Страница 254: ...EL 250us CH2 Measurement delay 250 us Call CommSend dev CHAN2 SOUR MODE SING CH2 Single step sweep Call CommSend dev OUTP ON Call CommSend dev OPC Wait for the setting to complete Call CommRecvString dev End Function Function SampleSequence3 ByVal dname As String ByVal rm As Long Dim dev As Long Dim result 3 1 As Double dev CommOpen rm dname Open the device Call Setup3 dev To Setup 3 Call CommSend...

Страница 255: ...mSend dev CHAN2 INIT CH2 New measurement Call CommSend dev TRG Generate a trigger The CH1 and CH2 outputs change simultaneously at this point Call CommSend dev CHAN1 FETC CH1 Read measured result result 2 0 Val CommRecvString dev CH1 Convert the measured result to values and store in array Call CommSend dev CHAN2 FETC CH2 Read measured result result 2 1 Val CommRecvString dev CH2 Convert the measu...

Страница 256: ...t operate servicing is required 17 3 The USB storage function does not work The GS820ROM is corrupt If only the GS820RAM appears on your PC the GS820ROM may be corrupt Format the storage 4 6 The drive assignment on the PC overlaps with another the drive Use a management tool on the PC and change drive letter so that it does not overlap with other drives The PC does not support the USB mass storage...

Страница 257: ...es are blocked Provide adequate space around the GS820 3 1 3 2 Circuit Protection is displayed Connected a load outside the specifications Connect a load within the specifications 3 1 Unable to save data to the storage No free space on the storage Delete unneeded files or format the storage 4 6 Unable to set the GS820 via the communication interface Communication settings are not matched Match the...

Страница 258: ... correct for example binary notation should not contain characters other than 0 and 1 16 5 122 Header suffix out of range Check whether the numeric suffix of the command header is correct 123 Exponent too large Check whether the exponent is within the range of 127 to 127 124 Too many digits Check that the number of digits in the value does not exceed 255 128 Numeric data not allowed Check the para...

Страница 259: ...e using CLS 16 38 16 43 16 50 361 Parity error Check that the communication settings on the GS820 and PC match If the settings are correct check the cable and lower the baud rate 15 5 362 Framing error Check that the communication settings on the GS820 and PC match If the settings are correct check the cable and lower the baud rate 15 5 363 Input buffer overrun Set the handshaking to a setting oth...

Страница 260: ...use of the setting change Stop the sweep operation before changing the settings 202 Interlocking Release the interlock and then turn the output ON 203 Cannot relay on in hardware abnormal Check whether the temperature inside the case is okay 204 Hardware input abnormal error Connect a load within the specifications 205 Analog busy Change the settings after the calibration or self test is completed...

Страница 261: ...egal compare value Set the comparison operation settings so that the upper limit is greater than the lower limit 8 6 ch1 2 limited sweep point 100000 Increase the step value so that the number of points is less than or equal to 100000 6 1 6 9 ch1 2 log sweep level 0 cross Set the start and stop values with values with the same sign 6 5 ch1 2 log sweep level 0 cross Set the start value to a value o...

Страница 262: ...he Next 1 2 soft key 3 Press the Test soft key Executing the Display Test 4 Press the Display soft key The entire display illuminates 5 To end the test press ESC Executing the Key Test 4 Press the Key soft key 5 Press each key and check that the name of the respective key is displayed 6 To end the test press ESC twice 17 7 IM 765601 01E Troubleshooting and Maintenance ...

Страница 263: ... is not correct contact your nearest YOKOGAWA dealer Key Test Tests whether the front panel keys are operating properly If the name of the key being pressed is highlighted the key is operating correctly If it does not contact your nearest YOKOGAWA dealer Self Test Tests whether the internal functions of the GS820 are operating correctly If an error appears contact your nearest YOKOGAWA dealer Corr...

Страница 264: ...cedure 1 Press SHIFT ERROR INFO Explanation The following information is displayed Product name Serial number Most recent firmware revision and update date time Most recent logic revision Model Calibration date Corresponding Command Mnemonic IDN 17 9 IM 765601 01E Troubleshooting and Maintenance ...

Страница 265: ...rry out the procedure below to check that the file copy operation is complete before updating the firmware 1 Double click the Safely Remove Hardware icon in the notification area on the Windows desktop 2 In the window that opens click USB Mass Storage Device and then click Stop 3 In the Stop a Hardware device dialog box that opens confirm the information and click OK If the copy operation has been...

Страница 266: ...replacement period for expendable items varies depending on the conditions of use Refer to the table below as a general guideline Contact your nearest YOKOGAWA dealer to have parts replaced Parts Name Recommended Replacement Period Cooling fan 3 years Backup battery lithium battery 5 years VFD 3 years Calibration We recommend that you calibrate the GS820 once a year to assure its measurement accur...

Страница 267: ...icient at 5 to 18 C and 28 to 40 C Output resistance for four wire system remote sensing 200 mV 2 V range Shunt resistance 40000 Ω or less 20 V 50 V range Shunt resistance 2000 Ω or less For details on the shunt resistance see DC Current Measurement in section 18 2 Measurement Section DC Current Source 765601 765602 Range Range Generated Resolution Max Load Voltage Accuracy One Year Temperature Co...

Страница 268: ... see DC Current Measurement in section 18 2 Measurement Section Current Limiter 765601 765602 Setting 1 Range Resolution Minimum Setting2 10 000 nA to 200 000 nA 200 nA 1 pA 10 nA 0 20001 µA to 2 00000 µA 2 µA 10 pA 10 nA 2 0001 µA to 20 0000 µA 20 µA 100 pA 100 nA 20 001 µA to 200 000 µA 200 µA 1 nA 1 µA 0 20001 mA to 2 00000 mA 2 mA 10 nA 10 µA 2 0001 mA to 20 0000 mA 20 mA 100 nA 100 µA 20 001 ...

Страница 269: ...µs 2 mA range 765601 765602 250 µs 20 mA to 3 A range 765601 765602 80 µs 2 mA to 1 A range 765611 765612 80 µs In normal mode The time for the output to reach within 0 1 of the final value after the output starts changing Pure resistive load The limiter setting is at the full scale of the range Source voltage or current is at the maximum value of the range Voltage source at maximum load current C...

Страница 270: ...A 10 nA 50 nA 0 004 600 pA 900 pA 1 5 nA 8 nA 200 µA 210 000 µA 1 nA 10 kΩ 0 02 40 nA 60 nA 100 nA 500 nA 0 003 6 nA 9 nA 15 nA 80 nA 2 mA 2 10000 mA 10 nA 1 kΩ 0 02 400 nA 600 nA 1 µA 5 µA 0 003 60nA 90nA 150nA 800nA 20 mA 21 0000 mA 100nA 100 Ω 0 02 4 µA 6 µA 10 µA 50 µA 0 003 600nA 900nA 1 5 µA 8 µA 200 mA 210 000 mA 1 µA 10 Ω 0 02 70 µA 100 µA 150 µA 500 µA 0 003 10 µA 15 µA 20 µA 80 µA 1 A 1 ...

Страница 271: ...ion definition file created in text format and performs the computation Preinstalled built in equations available Operators addition subtraction multiplication division exponentiation remainder logic OR logic AND NOT comparison substitution Functions ABS absolute value SQRT square root LN LOG logarithm SIN COS TAN trigonometric functions ASIN ACOS ATAN inverse trigonometric functions SINH COSH TAN...

Страница 272: ...tor I O level TTL I O logic format Negative logic falling edge Minimum pulse width 10 µs Digital I O Connector 15 pins 765601 765611 digital I O 2 bit model 50 pins 765602 765612 digital I O 16 bit model I O level TTL Minimum pulse width 10 µs I O for Synchronous Operation Connector RJ 11 connector I O level TTL Minimum pulse width 10 µs 18 6 IM 765601 01E ...

Страница 273: ... Baud rate 9600 14400 19200 38400 57600 and 115200 bps USB Interface Number of ports 1 Connector type Type B connector receptacle Electrical and mechanical specifications Conforms to USB Rev 2 0 Protocol Mass storage class USB TMC Ethernet Interface Number of ports 1 Connector type RJ 45 connector Electrical and mechanical specifications Conforms to IEEE 802 3 Transmission system 100BASE TX 10BASE...

Страница 274: ...lue 100 mV 100 mV Voltage stop value 200 mV 200 mV Voltage step value 10 mV 10 mV Voltage log sweep step count 10 10 Current start value 100 µA 100 µA Current stop value 200 µA 200 µA Current step value 10 µA 10 µA Current log sweep step count 10 10 Repeat count 1 1 Sweep start source External start External start Measurement ON ON Mode Fixed function Fixed function Function Current Current Auto r...

Страница 275: ...t BNC TRIGGER terminal IN input Auxiliary trigger output source Through Store OFF Store count 100 Result file generation function ON Time Timer1 50 ms Timer2 50 ms 18 6 Contents of the Factory Default Setup File Default txt 18 9 IM 765601 01E Specifications 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 276: ... cable be used to connect to the SENSE terminal for a four terminal connection use a cable of length no longer than 1 m BNC IN OUT Terminal Use a BNC cable that is equivalent to the 1 5D QEW cable or a better cable for the connection 5 ETHERNET Port Use a category 5 shielded STP LAN cable or a better cable for the connection use a cable of length no longer than 30 m USB Port Use a Hi Speed USB 2 0...

Страница 277: ...nt overvoltage condition and includes the rated impulse withstand voltage The overvoltage category II applies to electrical equipment that is powered through a fixed installation such as a switchboard 4 Pollution Degree applies to the degree of adhesion of a solid liquid or gas which deteriorates withstand voltage or surface resistivity Pollution Degree 2 applies to normal indoor atmospheres with ...

Страница 278: ...oltage Across each terminal and case 250 Vpeak External Dimensions Approx 213 W x 132 H x 450 D mm excluding projections Weight Approx 8 kg Key Lock Keys can be locked Recommended Calibration Period 1 year Standard Accessories Power cord 1 pc Measurement lead 2 sets 1 red and 1 black in each set Small alligator clip adapter 2 sets 1 red and 1 black in each set Rubber feet 1 sets 2 pcs in a set Man...

Страница 279: ...k mount kit Mounting surface 20 20 20 Mounting surface 480 1 460 1 149 0 3 0 100 0 2 24 5 17 6 480 1 460 1 17 6 100 0 2 24 5 460 3 1 482 6 1 460 3 1 482 6 1 57 2 37 4 57 2 37 4 Unit mm Unless otherwise specified tolerance is 3 however tolerance is 0 3 mm when below 10 mm 149 0 3 0 132 0 3 0 132 0 3 0 7 1 7 1 18 13 IM 765601 01E Specifications 3 2 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 App Index ...

Страница 280: ...en source mode pulse 2 Change the Source Level and Timer 1 of CH1 CH1 SL 3 5 1 4 3 7 2 6 T1 0 05 0 1 0 07 0 12 0 02 0 01 0 09 0 15 Program example Output pattern Source level When source mode DC Timer1 ms 150 90 20 10 120 70 100 50 CH1 source signal 3 Change the Source Level Pulse Width and Pulse Base of CH1 CH1 SL 3 5 1 4 3 7 2 6 CH1 PW 0 025 0 04 0 03 0 02 0 01 0 009 0 03 0 04 CH1 PB 0 0 1 0 2 0...

Страница 281: ...put terminal for synchronous operation 5 Change the Source Level of CH1 and the Source Level Timer 1 and Timer 2 of CH2 CH1 SL 3 5 1 4 3 7 2 6 T1 0 05 0 1 0 07 0 12 0 02 0 01 0 09 0 15 CH2 SL 1 4 8 7 2 5 6 3 Program example Output pattern CH1 source level When source mode DC Timer1 CH2 source level T2 0 12 0 01 0 15 0 1 0 02 0 09 0 05 0 07 Timer2 CH1 source signal CH2 source signal If you open the...

Страница 282: ...model 2 bit model T1 CH1 SL DO 0 1 1 0x0002 0 2 1 5 0x0001 0 1 2 0x0000 0 3 3 0x0003 0 1 4 0x1000 If a program sweep is executed using a program file written as shown above the source output and digital output will be as follows D0 0x0002 0x0001 0x0000 0x0003 0x1000 Source output 1 5 2 3 4 1 Digital output 0 1 s 0 2 s 0 3 s 0 1 s D1 Source trigger Source delay DO values range from 0 to 3 can also ...

Страница 283: ...put use the storage feature In the DI column of a storage file the input digital signals are written using values ranging from 0x0000 to 0x0003 1 An example of a storage file is shown below TM DO DI CH1 SF CH1 SL CH1 MF CH1 ML 0 0x0001 0x0002 V 2 00E 00 I 2 17E 06 0 2 0x0002 0x0000 V 0 00E 00 I 2 56E 06 0 5 0x0003 0x0001 V 0 00E 00 I 2 69E 06 0 7 0x0004 0x0003 V 0 00E 00 I 2 43E 06 For details on ...

Страница 284: ...panel 1 1 G Page GP IB address setting 14 5 GMT 3 16 GPIB soft key 14 5 GP IB cable connection 14 4 Greenwich Mean Time 3 16 GS820 construction 2 4 Symbols Page key 5 2 key 5 2 Numerics Page 2W 4 6 4W 4 6 A Page address 13 3 Async 4 4 Auto 7 1 auto calibration 2 14 5 15 AUTO measurement range 7 3 auto range 5 2 7 3 AUTO source range 5 2 auto zero function 7 8 AutoZero soft key 7 8 Aux 2 26 Aux 2 2...

Страница 285: ... 2 16 7 1 measurement range 2 15 7 3 measurement result 9 1 measurement trigger 2 25 7 7 MISC 3 14 3 15 4 10 10 1 10 9 11 5 11 6 11 7 12 2 12 3 13 3 13 6 14 5 15 5 17 7 17 10 MODE 7 1 model ii Mode soft key 6 1 6 5 6 9 6 11 N Page network connecting 13 2 network settings viewing 13 6 nodeList txt 10 10 Normal 5 14 NULL 8 2 NULL computation 2 31 8 2 NULL value setting 8 2 O Page Off 7 1 Off Exec so...

Страница 286: ...start output 2 28 SwpEnd 2 26 SwpStart 5 12 Sync 4 4 synchronous mode between units 10 8 synchronous operation 2 29 10 6 SYNC IN OUT 2 29 10 6 SYNC key 4 4 10 8 10 10 system configuration diagram 2 2 system firmware updating 17 10 T Page TCP IP 13 3 Term soft key 13 4 15 5 Test soft key 17 7 through 2 27 Through 2 27 10 9 Time Adjust soft key 3 15 TIMER 4 5 Timer1 2 26 2 27 10 9 Timer2 2 26 2 27 1...

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