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App-1

IM 2560A-01EN

Appendix

3

2

1

4

5

6

7

8

9

10

11

12

13

14

15

16

App

Index

Appendix 1 Block Diagram

Pt100

HI

LO

Low voltage-

current

output

terminals

Resistance

source circuit

Range switching circuit

Power

amplifier

+

−

Pre-

amp

Reference

voltage

Vref

DAC

PWM

ADC

INT RJ sensor

measurement

circuit

• DAC control

• Range/feedback

switching control

• Resistance source

control circuit

• INT RJ sensor

measurement

+

DAC code

generation

Value

smoothing

Correction

value

calculation

Ground side

FPGA

To the CPU

Isolated

side

Ground

side

Isolated side

FPGA

Isolated power supply

(OUTPUT 1)

Guard

Power amplifier

+

−

Pre-

amp

HI

LO

High voltage

output terminals

(OUTPUT 2)

Large current

output terminals

Power amplifier

+

−

Pre-

amp

HI

LO

(OUTPUT 2)

When the output is turned on or when the source value is changed, a source code for setting the DAC
is sent from the CPU/FPGA on the ground side to the FPGA on the isolated side. To the source code,
the FPGA on the isolated side applies overshoot suppression and rising slope control (smoothing) for
reducing inrush current for when a capacitive load is connected. Then, the FPGA sends the source
code to the DAC.
On the other hand, the high-speed PWM ADC is sequentially measuring reference voltage Vref and
zero level based on a high accuracy reference and the output of its own DAC. The source code is
compared and corrected with these values and continuously transferred from the FPGA on the isolated
side to the DAC. This method provides long-term stable DAC output.
The pre-amp employs a low-noise, high-precision amplifier that accurately amplifies the DAC output.
The power amplifier employs a power-transistor-based push-pull-output amplifier that enables sink
operation.
The 2560A does not use relays to invert the polarity for ranges other than 1000 V and 10 A, so glitches
due to polarity switching do not occur. The control system on the isolated side is surrounded by a
guard potential to suppress the effects of common-mode noise. The low voltage-current output LO
terminal is connected to the guard.

Appendix

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Содержание 2560A

Страница 1: ...IM 2560A 01EN 3rd Edition Precision DC Calibrator 2560A...

Страница 2: ...sing 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 w...

Страница 3: ...els Conservez ce manuel proximit du 2560A de sorte que l op rateur puisse le consulter tout moment This user s manual explains the features operating procedures and handling precautions of the 2560A T...

Страница 4: ...f this product and the documents concerning it have been developed created by YOKOGAWA based on the BSD Networking Software Release 1 that has been licensed from the Regents of the University of Calif...

Страница 5: ...ard power cord maximum rated voltage 250 V R AS standard power cord maximum rated voltage 250 V Q BS standard power cord maximum rated voltage 250 V H GB standard power cord maximum rated voltage 250...

Страница 6: ...arately The following optional accessories are available for purchase separately Use the accessories specified in this manual Moreover use the accessories of this product only with Yokogawa products t...

Страница 7: ...ndle with care Refer to the user s manual or service manual This symbol appears on dangerous locations on the meter which require special instructions for proper handling or use The same symbol appear...

Страница 8: ...a protective earth terminal Do not invalidate this protection by using an extension cord without protective earth grounding Further do not use this power cord with other instruments Connect the Prote...

Страница 9: ...terminals or large current output terminals Lead wires are connected to the target device correctly Lead wires are not shorted because of wiring errors broken insulation of lead wires unintended conta...

Страница 10: ...as d utilisation d une rallonge celle ci doit tre imp rativement reli e la terre Par ailleurs ne pas utiliser ce cordon d alimentation avec d autres instruments Brancher la prise de terre Avant de met...

Страница 11: ...tie haute tension ou aux bornes de sortie d intensit lev e Les c bles en plomb sont correctement raccord s l appareil cible Les c bles en plomb ne sont pas court circuit s en raison d erreurs de c bla...

Страница 12: ...fied as a Monitoring and control instruments product When disposing products in the EU contact your local Yokogawa Europe B V office Do not dispose in domestic household waste Authorized Representativ...

Страница 13: ...o the user and precautions that can be taken to prevent such occurrences CAUTION Calls attention to actions or conditions that could cause light injury to the user or cause damage to the instrument or...

Страница 14: ...that you are starting operation at the beginning of the procedure so you may not need to carry out all the steps in a procedure when you are changing the settings Explanation This section describes th...

Страница 15: ...cautions 3 1 3 2 Installing the 2560A 3 3 3 3 Connecting to the Power Supply 3 6 3 4 Turning On and Off the Power Switch 3 8 3 5 Wiring Precautions 3 10 3 6 Connecting Wires 3 14 Chapter 4 SETUP Menu...

Страница 16: ...A Ethernet Settings 10 3 Chapter 11 USB Interface 11 1 USB Interface Features and Specifications 11 1 11 2 Connecting through the USB Interface 11 2 11 3 Configuring the 2560A USB Interface 11 3 Chapt...

Страница 17: ...t and Calibration 15 20 Chapter 16 Specifications 16 1 Source Section 16 1 16 2 Functions 16 6 16 3 External Input 16 7 16 4 Computer Interface 16 8 16 5 General Specifications 16 9 16 6 RJ Sensor 257...

Страница 18: ...3 6 Output terminals for the following ranges 100 V 1000 V sec 2 1 5 1 Large current output terminals Used to connect the included measurement leads sec 3 6 Output terminals for the following ranges...

Страница 19: ...ge sec 6 5 Used when controlling the 2560A remotely from a PC through the USB interface USB TMC ch 11 Ethernet port 100BASE TX 10BASE T Used when controlling the 2560A remotely from a PC through the E...

Страница 20: ...used The main setting including the polarity is displayed Polarity display Unit display Two 5 7 dot matrix LEDs are used Unit is displayed according to the range set with the RANGE dial SCALE Section...

Страница 21: ...s generated from the output terminals The output value generated from the output terminals is shown on the output display Output OFF Flipping the OUTPUT switch down turns the OFF indicator on The sign...

Страница 22: ...erminals In high resolution mode the most significant digit of the deviation display is used as the least significant digit of the main setting and deviation dial 1 is used to control the least signif...

Страница 23: ...s and Characters The 7 segment LED on the 2560A shows numbers letters and mathematical symbols using special characters in the manner shown below Some of the characters shown below are not used on the...

Страница 24: ...t OUTPUT 1 HI LO High voltage output OUTPUT 2 Large current output OUTPUT 2 LO HI LO HI DUT output target DUT output target Range 100 1 10 mV V V 100 1 10 100 1 A mA mA mA A 400 TEMP Range 100 1000 V...

Страница 25: ...1 and the deviation to 2 up to 122 4 of the range can be generated 2 Can be output when the source range is between 1 and 120 of the range 3 In the 100 mV range the output voltage may drop significan...

Страница 26: ...om the device to be calibrated For example if the excitation current is 1 mA and the specified resistance is 100 the 2560A outputs 0 1 V The source range and excitation current for the resistance are...

Страница 27: ...ng so may damage the voltage divider Type Source Range R 50 C to 1768 C S 50 C to 1768 C B 0 C to 1820 C J 210 C to 1200 C T 270 C to 400 C E 270 C to 1000 C K 270 C to 1300 C N 270 C to 1300 C C 0 C...

Страница 28: ...Range Pt100 200 0 C to 850 0 C RTD USER user defined 9999 9 C to 9999 9 C But a temperature range corresponding to the resistance source range 1 00 to 400 00 Temperature Unit If the suffix code is UC...

Страница 29: ...each temperature range The data that you create are written to the 2560A in the following manner Write the user defined data saved in a file to the 2560A using the USB mass storage feature Transmit t...

Страница 30: ...r deviation and sweep features explained later operate assuming main setting MAX main setting MIN to be 100 To calibrate a 4 20 mA meter at 4 mA 8 mA 12 mA 16 mA and 20 mA set the main setting MAX to...

Страница 31: ...rrent resistance or temperature level into as many points as you need to calibrate You can set the main setting to the maximum indication on the target meter and vary the divider value to calibrate th...

Страница 32: ...ver a deviation that would cause the output value to fall outside the source range of each range is not allowed Ammeter 9 97 A Ammeter 10 A Error deviation Use the deviation dial to align the meter ne...

Страница 33: ...reasing order the deviation is set to 2 00 0 The deviation is cleared when the divider value is changed OFF The specified deviation is retained even when the divider value is changed Ammeter 4 5 A n 2...

Страница 34: ...alue at a constant speed and check whether the needle is sticky when it moves You can select the sweep time according to the meter type To sweep a wide angle meter you can select a long sweep time to...

Страница 35: ...the beep sound for the following notifications When the cooling fan stops error code E 901 E 907 When an abnormal temperature is detected error code E 902 E 903 When an internal power supply error is...

Страница 36: ...the 2560A will automatically turn off the output and display a warning message No 027 to 040 on the output display For details on the messages see section 15 3 In the case of voltage output remove the...

Страница 37: ...with both hands as shown in the figure below and move it carefully WARNING When you hold or put away the handle be careful not to get your hand caught between the handle and the case When you carry t...

Страница 38: ...u les orifices d entr e l arri re de l quipement ce dernier s chauffe et risque de tomber en panne En outre mettre l instrument sous tension lorsqu il y a condensation peut endommager l instrument Ins...

Страница 39: ...trument to prevent the instrument from sliding You can install the instrument in a tilted position using the movable legs However if you attach the front rubber leg cap you will not be able to stack t...

Страница 40: ...ating Allow at least 20 cm around the rear panel inlet holes Make sure to provide adequate support from the bottom of the instrument The support should not block the inlet and outlet holes Store the r...

Страница 41: ...there is no AC outlet that is compatible with the power cord that you will be using and you cannot ground the instrument do not use the instrument French AVERTISSEMENT Assurez vous que la tension d a...

Страница 42: ...tions Rated supply voltage 100 VAC to 120 VAC 200 VAC to 240 VAC Permitted supply voltage range 90 VAC to 132 VAC 180 VAC to 264 VAC Rated supply frequency 50Hz 60Hz Permitted supply frequency range 4...

Страница 43: ...7 Check that the instrument has started normally before you use it If the 2560A Does Not Start Normally When the Power Is Turned On Turn off the power switch and check the following items The power c...

Страница 44: ...ored settings for the settings that are stored see appendix 7 CAUTION Do not turn off the power when the instrument s output is turned on Doing so can damage the 2560A It can also cause damage to the...

Страница 45: ...ue to tears in the insulation or broken cables as they may lead to a short circuit or electric shock For connecting to terminals used for high voltage output only use lead wires that have safety termi...

Страница 46: ...e output off This residual voltage may lead to electric shock Do not touch the terminals immediately after you turn the output off The amount of time that voltage remains varies depending on the targe...

Страница 47: ...s en raison de traces d usure de l isolation ou de c bles cass s car ceci risque d entra ner un court circuit ou un choc lectrique Pour le raccordement des bornes utilis es pour une sortie haute tensi...

Страница 48: ...peut entra ner un choc lectrique Ne touchez pas imm diatement les bornes apr s la mise hors tension La dur e pendant laquelle le tension reste varie en fonction de l appareil cible ATTENTION Utiliser...

Страница 49: ...de sortie sont bien serr es et qu il n y a aucun corps trangers dans la zone de contact entre les bornes de courant et les c bles Le branchement l envers de la fiche de raccordement sur la borne d ent...

Страница 50: ...apply excessive torque Wiring Example HI LO Ammeter 2560A Large current output terminals 6 7 Unit mm Large current output terminal Connecting to a Round Crimped Terminal To connect leads wire with rou...

Страница 51: ...mple by absorbing the current from a voltage source such as a distributor the 2560A can simulate a load like a two wire transmitter For the maximum sink current see DC Voltage Sourcing or DC Current S...

Страница 52: ...minal or knob may break if you apply excessive torque For wiring examples see also appendixes 3 and 4 Wiring Example B A Thermograph 2560A Low voltage current output terminals Note If the output termi...

Страница 53: ...Lead wire White Red Ground GND White Red No connection NC Terminal plug screw Terminal plug Lead wire connection terminal Lead wire screw Terminal plug pinout Connect the lead wires to the appropriat...

Страница 54: ...conditions sec 9 3 Set the beep sound sec 8 2 Options NORM HIGH 5 5 digits 6 5 high resolution Options NORM COMP IEEE 488 2 2560 compatible Options ON OFF Sound Not sound DHCP Options ON OFF Use Not u...

Страница 55: ...ure unit sec 6 7 UNIT EXEC Executes clearing Displays the error number and error code Displays or clears the error log sec 15 5 Displays log number 0 and error code NO if there is no error log ERROR L...

Страница 56: ...als Main setting dials From the left the dials are the 1st 2nd 3rd 4th and 5th main setting dials PRESET indicator When you change the setting displayed in setup parameter 1 all the PRESET indicators...

Страница 57: ...to the previous menu level Flipping the PRESET switch down confirms the displayed setting If NEXT is displayed in setup parameter 1 the screen advances to the next level menu If you change the current...

Страница 58: ...nge table provided later Low voltage current output terminals OUTPUT 1 HI LO High voltage output terminals OUTPUT 2 Large current output terminals OUTPUT 2 LO HI LO HI Selecting the Range Select the r...

Страница 59: ...s OUTPUT 2 The OUTPUT 2 indicator on the front panel illuminates Resistance Range Settings 400 Range Output Terminals 400 Low voltage current output terminals OUTPUT 1 The OUTPUT 1 indicator on the fr...

Страница 60: ...selectable range and resolution of each range are as follows For detailed specifications see section 16 1 If you do not change the range setting you can change the main setting and polarity even whil...

Страница 61: ...ain setting and polarity displays blink If you turn any of the main setting dials in this condition but the main setting still remains outside the selectable range of the new range the main setting is...

Страница 62: ...and sweep features operate within this scale range Scaling cannot be used in high resolution mode Specifying the Main Setting MAX and Main Setting MIN You can set these values within the range that me...

Страница 63: ...e with the POLARITY switch MAX and MIN are positive The main setting display blinks and the output turns off Some ranges are not applicable For details see Scaling in section 16 2 Relation with Other...

Страница 64: ...on will turn off the output The ON indicator will turn off and the OFF indicator will turn on Output display output display example for 100 000 V OUTPUT switch Unit Note When outputting current do no...

Страница 65: ...u change the range setting the output automatically turns off The output display shows the output value and the unit indicator turns on However in high resolution mode see section 8 1 the output displ...

Страница 66: ...ectez pas une charge capacitive charg e Cela pourrait endommager le diviseur de tension l int rieur du 2560A Procedure 1 Turn the RANGE dial to select TEMP The TEMP indicator illuminates and the TEMPE...

Страница 67: ...following R S B J T E K N C A TC USER If you select TC USER the thermoelectromotive force of a user defined thermocouple can be sourced For details how to write user defined data to the 2560A see sect...

Страница 68: ...shown below For detailed specifications see section 16 1 If you do not change the type you can change the main setting and polarity even while the output is on If the output setting goes outside the...

Страница 69: ...le range of the new type the main setting and polarity displays blink If you turn any of the main setting dials in this condition but the main setting still remains outside the selectable range of the...

Страница 70: ...t divider deviation and sweep features operate within this scale range Scaling cannot be used in high resolution mode Specifying the Main Setting MAX and Main Setting MIN You can set these values with...

Страница 71: ...output turns off Set MIN to positive with the POLARITY switch MAX and MIN are positive The main setting display blinks and the output turns off Relation with Other Features If you select MAX or MIN wi...

Страница 72: ...ample for thermocouple Unit Display example for RTD Unit Example when the output value display mode is set to V OHM when the temperature is set at 100 0 C Note When outputting temperature do not short...

Страница 73: ...als use any 2 Select TEMP PRESET indicator 4 Turn a main setting dial to select MONI The deviation display shows the current output value display mode 5 Turn a deviation dial to select DEG or V OHM Wh...

Страница 74: ...ates Output State ON Indicator Green OFF Indicator Red ON Solid Off OFF Off Solid Output Value Display Mode Select the output value display unit of thermoelectromotive force and resistance for the spe...

Страница 75: ...n es d finies par l utilisateur Pour prot ger le 2560A contre les virus informatiques avant de brancher un PC sur le 2560A v rifier que le PC est exempt de virus Le branchement du 2560A infect par un...

Страница 76: ...step 4 is not necessary 4 Flip the PRESET switch down The setting is confirmed All the PRESET indicators turn off PRESET switch 4 Confirm the settings Main setting dials use any 2 Select USB Deviatio...

Страница 77: ...TXT before performing step 9 on the next page Example in Which a Thermocouple User Defined Data File TCUSER Is Placed in the 2560A IN Folder 9 Right click 2560A IN in the navigation window On the sho...

Страница 78: ...procedure Do not connect or remove the USB cable while user defined data is being written Doing so may prevent the data from being written correctly It may also cause the 2560A or PC to run abnormally...

Страница 79: ...ernal memory is updated correctly with user defined data the error file is deleted When User Defined Data Is Not Written in Nonvolatile Memory In the factory default condition or when user defined dat...

Страница 80: ...e TEMP indicator turns on 2 Select R J TEMP The R J TEMP indicator turns on Setting the Reference Junction Compensation Mode 3 Turn the Deviation dial 1 to set the RJC mode to AUTO INT or MAN The main...

Страница 81: ...measured temperature of an external RJ sensor for the reference junction temperature set the resistance for when the RJ sensor is at 0 C 1 Turn the RANGE dial to select SETUP The SETUP menu appears RA...

Страница 82: ...Main setting dials use any 4 Select RJC R0 Difference between 100 00 and R0 Current R0 5 Turn the deviation dials to set the difference between 100 00 and R0 When you change the setting all PRESET ind...

Страница 83: ...ied temperature If you do not want to apply correction not use the RJC function set the temperature to 0 00 C Selectable range 20 00 C to 60 00 C Reference Junction Temperature Display The reference j...

Страница 84: ...wn The TEMP menu appears All the PRESET indicators turn off PRESET switch 3 Display the TEMP menu Main setting dials use any 2 Select TEMP PRESET indicator 4 Turn a main setting dial to select UNIT Th...

Страница 85: ...7 Selecting the Temperature Unit Explanation On models with the UF suffix code you can select the temperature unit You can set the temperature using the selected unit CEL C FAR F Command Mnemonic SYS...

Страница 86: ...t larger than the m value Setting a divider value does not affect the value shown on the main setting display When the power is turned on the value of denominator m that was used previously is restore...

Страница 87: ...itch up or down to select a preset The selected PRESET indicator turns on and the deviation display shows the preset deviation PRESET switch Select a preset Presets Explanation Deviation output is a f...

Страница 88: ...the output on and off and how to set the range see chapter 5 or 6 Preset Select the preset from the following 5 The deviation is set to 5 when the numerator n of the output divider feature increases...

Страница 89: ...s the current sweep time 3 Turn the deviation dials to set the sweep time seconds to 8 16 32 or 64 When you change the setting all PRESET indicators turn on If you decide not to change the setting ste...

Страница 90: ...EP switch up while sweeping is in progress sweeping will stop hold state A beep will sound when the sweep is held SWEEP switch UP sweep Flip up DOWN sweep Flip down Explanation Sweeping is a feature u...

Страница 91: ...reaches the sweep end value If the SWEEP switch is flipped up while sweeping down or if sweeping reaches the sweep end value If you control the SCALE switch Note The sweep operation is achieved throu...

Страница 92: ...solution mode 3 Turn a deviation dial to select NORM or HIGH When you change the setting all PRESET indicators turn on If you do not change the setting the PRESET indicators will not turn on 4 Flip th...

Страница 93: ...ures cannot be used Further high resolution mode cannot be used for temperature or resistance ranges If you flip the PRESET switch down to confirm the resolution setting the 2560A returns from the SET...

Страница 94: ...al to select BEEP The deviation display shows the current beep sound setting 3 Turn a deviation dial to select ON or OFF When you change the setting all PRESET indicators turn on If you decide not to...

Страница 95: ...ound for the following notifications When the cooling fan stops error code E 901 E 907 When an abnormal temperature is detected error code E 902 E 903 When an internal power supply error is detected e...

Страница 96: ...cal and mechanical Conforms to IEEE St d 488 1978 Functional specifications See the table below Protocol Complies with IEEE St d 488 2 1992 when using standard commands Code ISO ASCII codes Mode Addre...

Страница 97: ...mode are retained even when the 2560A switches to remote mode When Switching from Remote to Local Mode When the 2560A is in remote mode and you flip the OUTPUT switch to the LOCAL side the 2560A switc...

Страница 98: ...0A is connected to the PC through converters such as a GP IB to USB converter For more details contact your nearest YOKOGAWA dealer Several cables can be used to connect multiple devices However no mo...

Страница 99: ...les Otherwise erroneous operation may result or the internal circuitry may break French ATTENTION Toujours mettre le PC et le 2560A hors tension avant de brancher ou de d brancher des c bles de commun...

Страница 100: ...pears RANGE dial 1 Select SETUP The SETUP indicator turns on Selecting the GP IB Interface 2 Turn a main setting dial to select GPIB NEXT appears on the deviation display All the PRESET indicators tur...

Страница 101: ...T switch 6 Confirm the settings PRESET indicator Main setting dials use any 4 select ADRS Setting the Command Type 4 Turn a main setting dial to select TYPE The deviation display shows the current com...

Страница 102: ...e The 2560 stores only a single set of polarity and output setting As such to use an existing 2560 program you need to change the range and then specify the polarity and output setting for the voltage...

Страница 103: ...OMP compatible commands this command outputs information about configuration changes and operation status Responses to Multi Line Messages Universal commands LLO Local Lockout Prohibits switching to l...

Страница 104: ...commands are available to all devices regardless of their listener or talker designation The following five commands are available LLO Local Lockout DCL Device Clear PPU Parallel Poll Unconfigure SPE...

Страница 105: ...services VXI 11 server DHCP client Switching between Remote and Local Modes When Switching from Local to Remote Mode The 2560A switches to remote mode when it is in local mode and receives a COMMunica...

Страница 106: ...thernet port on the 2560A rear panel Hub or router that supports 100BASE TX 10BASE T PC UTP or STP cable straight cable Network card 2560A Ethernet port RJ 45 modular jack Notes on Connection To conne...

Страница 107: ...nu appears RANGE dial 1 Select SETUP The SETUP indicator turns on Selecting the Ethernet Interface 2 Turn a main setting dial to select LAN NEXT appears on the deviation display All the PRESET indicat...

Страница 108: ...ct the octet number 1 to 4 you want to set The deviation display shows the current octet setting of the IP MASK or GATE When octet number 1 is selected turning the right most main setting dial to the...

Страница 109: ...is a protocol that temporarily allocates necessary information to a device so that it can connect to the Internet ON If you are connecting the 2560A to a network with a DHCP server you can turn on the...

Страница 110: ...ddresses are expressed in octets in hexadecimal notation If the MAC address is 00 00 12 34 56 78 the second to the sixth octets are shown as follows the deviation display shows 00 12 and the output di...

Страница 111: ...Switching between Remote and Local Modes When Switching from Local to Remote Mode The 2560A switches to remote mode when it is in local mode and receives a COMMunicate REMote ON command from the PC T...

Страница 112: ...wn below 2560A USB port type B connector Notes on Connection Be sure to insert the USB cable connector firmly into the USB port Do not connect or remove the USB cable from the time when the 2560A is t...

Страница 113: ...eature 2 Turn a main setting dial to select USB The deviation display shows the current USB feature 3 Turn a deviation dial to select TMC When you change the setting all PRESET indicators turn on If y...

Страница 114: ...erface the 2560A will not execute the commands properly Install the YOKOGAWA USB TMC Test and Measurement Class driver on your PC For information about how to obtain the YOKOGAWA USB TMC driver contac...

Страница 115: ...between the controller and the 2560A Messages that are sent from the controller to the 2560A are called program messages and messages that are sent from the 2560A back to the controller are called res...

Страница 116: ...hat contains a query the controller must finish receiving the response message before it can send the next program message If the controller sends the next program message before receiving the respons...

Страница 117: ...or each command even when commands belonging to the same command group are being concatenated Example SOURce FUNCtion VOLTage PMT SOURCE RANGE 10V PMT 12 2 Commands Commands There are three types of c...

Страница 118: ...hat are not currently in use Exercise caution because not all of a group s information is necessarily returned in a response Header Interpretation Rules The 2560A interprets the header that it receive...

Страница 119: ...headers to Example SOURce RTD SETTing PMT 0 0 850 0 1 0000000000e 02 3 9083000000e 01 5 7750000000e 05 0 0000000000e 00 0 0000000000e 00 0 0000000000e 00 0 0000000000e 00 0 0000000000e 00 0 0000000000...

Страница 120: ...sistance Temperature Time A physical value Example Voltage range setting SOURce RANGe 30V Register A register value expressed as binary octal decimal or hexadecimal Example Extended event register val...

Страница 121: ...of the digits 0 to 9 and A to F H0F Q Octal value made up of the digits 0 to 7 Q777 B Binary value made up of the digits 0 and 1 B001100 Register is not case sensitive Response messages are always ex...

Страница 122: ...in the extended event register becomes 1 Overlap Commands and Sequential Commands There are two types of commands overlap and sequential With overlap commands the execution of the next command may st...

Страница 123: ...polarity of main setting MIN 13 7 SOURce Group SOURce Queries all source settings 13 8 SOURce FUNCtion Sets or queries the source function 13 8 SOURce LEVel AUTO Sets or queries the main setting for m...

Страница 124: ...16 STATus QENable Sets or queries whether messages other than errors will be stored to the error queue ON or not OFF 13 16 STATus QMESsage Sets or queries whether message information will be attached...

Страница 125: ...ument model 13 20 OPC Sets bit 0 the OPC bit of the standard event register to 1 upon the completion of the specified overlap command 13 20 OPC Returns ASCII code 1 when the specified overlap command...

Страница 126: ...out or in its abbreviated form Syntax COMMunicate VERBose Boolean COMMunicate VERBose ON 1 Returned fully spelled out OFF 0 Returned in abbreviated form Example COMMUNICATE VERBOSE ON COMMUNICATE VERB...

Страница 127: ...ation PRESet Function Sets or queries the preset value Syntax DEViation PRESet Percentage OFF DEViation PRESet Percentage 0PCT 0 2PCT 2 5PCT 5 0PCT 0 0 00 2PCT 2 2 00 5PCT 5 5 00 OFF Presets are not u...

Страница 128: ...ion Sets or queries the denominator m of the output divider Syntax DIVider DENominator NRf MINimum MAXimum DIVider DENominator NRf 4 to 15 MINimum 4 MAXimum 15 Example DIVIDER DENOMINATOR 4 DIVIDER DE...

Страница 129: ...e function is RJTemp and you set the polarity a 221 Setting conflict error will occur NORMal is returned as a response to a query Set the source function with the SOURce FUNCtion command If the output...

Страница 130: ...CE LEVEL AUTO 10 0000E 00 Description 1 Even if you include the plus or minus sign in the setting with this SOURce LEVel AUTO command the polarity will not be set The polarity follows the setting spec...

Страница 131: ...2 To set the value with the sign use the SOURce SLEVel MAXimum command 3 For other notes see items 3 to 6 in the description of the SOURce LEVel AUTO command SOURce LEVel MINimum Function Sets or que...

Страница 132: ...o the source function is returned Source function Data1 Data2 VOLTage Voltage Voltage CURRent Current Current RESistance Resistance Resistance TCouple Temperature Thermo electromotive force RTD Temper...

Страница 133: ...ction set the temperature to 0 C SOURce RJC STATe Function Queries the reference junction compensation operating state Syntax SOURce RJC STATe EXTernal INTernal MANual OFF EXTernal External INTernal I...

Страница 134: ...ge 9 9E 37 or 9 9E 37 is returned SOURce RJC TEMPerature INTernal Function Queries the 2560A s internal reference junction 2560A low voltage current output terminal temperature Syntax SOURCE RJC TEMPe...

Страница 135: ...ingle character C will be displayed in the first character of the dot matrix LEDs and the specified character in the second SOURce RTD WRITe Function Writes a user defined RTD Syntax SOURce RTD WRITe...

Страница 136: ...TCouple Function Queries all user defined thermocouple settings Syntax SOURce TCouple SOURce TCouple DEFine Function Sets a user defined thermocouple Syntax SOURce TCouple DEFine String String Definit...

Страница 137: ...ont panel If set to a single character C will be displayed in the first character of the dot matrix LEDs and the specified character in the second SOURce TCouple WRITe Function Writes a user defined t...

Страница 138: ...STATUS EESR STATUS EESR 1 Description For information about the extended event register see chapter 14 Status Reports STATus ERRor Function Queries the error code and message of the last error that ha...

Страница 139: ...SWEep Function Queries all sweep settings Syntax SWEep SWEep DIRection Function Sweeps up or down or stops sweeping Queries the sweep state Syntax SWEep DIRection HOLD UP DOWN SWEep DIRection HOLD Swe...

Страница 140: ...s the Ethernet default gateway Syntax SYSTem COMMunicate ETHernet GATEway String SYSTem COMMunicate ETHernet GATEway String x x x x x 0 to 255 Example SYSTEM COMMUNICATE ETHERNET GATEWAY 192 168 0 1 S...

Страница 141: ...to 60 S Example SYSTEM REBOOT 3 SYSTem RESolution Function Sets or queries the resolution mode Syntax SYSTem RESolution NORMal HIGH SYSTem RESolution NORMal Normal resolution 5 5 digit mode HIGH High...

Страница 142: ...mal format When an SRQ is sent you can check what types of events have occurred For example if a value of 32 is returned this indicates that the standard event register is set to 00100000 This means t...

Страница 143: ...example specifying SRE 239 will cause the standard enable register to be set to 11101111 In this case bit 4 of the service request enable register is disabled This means that bit 4 MAV of the status...

Страница 144: ...defined in IEEE 488 2 1992 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Condition register Transition filter Extended event registe...

Страница 145: ...bers and messages STATus ERRor Registers and Queues That Affect the Status Byte The following registers affect the status byte bits Register Affected Status Byte Bit Standard event register Sets bit 5...

Страница 146: ...mmand bit 4 MAV in the status byte is not affected However the output queue will be cleared if the CLS command is received just after a program message terminator Status Byte 7 6 ESBMAV EES EAV 1 0 RQ...

Страница 147: ...when there is a command syntax error Example Command names are misspelled or character data that is not one of the available options has been received Bit 4 EXE Execution Error This bit is set to 1 w...

Страница 148: ...en the measured value of the internal reference junction is within the measurement range Bit 5 EMR1 FAN Stop Set to 1 when the fan stops Bit 6 Always 0 Bit 7 EMR2 Temprature Error Set to 1 when an abn...

Страница 149: ...r or not the output queue is empty by checking bit 4 MAV in the status byte D1 D2 D1 D2 D1 Error Queue When an error occurs the error queue stores the error number and message For example if the instr...

Страница 150: ...that is within the allowable range 16 1 The voltage or current source value is strange Confirm that the load is within the specified range 2 2 While sourcing keep the output terminal temperature from...

Страница 151: ...rsed Examples If the range is 10 V main setting MAX is 5 0000V and main setting MIN is 10 0000V you change main setting MIN to a positive value Correction Change the main setting so that the main sett...

Страница 152: ...Cause 1 2 If the RJC value reference junction temperature is outside the source range of the selected thermocouple type Example If the thermocouple type is B and the RJC value is 20 C Even if it goes...

Страница 153: ...e RJC mode is set to auto AUTO or internal INT and the RJC value reference junction temperature is outside the 20 C to 60 C range the following display is shown 199 99 is shown for 20 C or less 199 99...

Страница 154: ...codes appears servicing is required If the error appears at power on the instrument beeps Code Description E 911 to E 914 E 916 An internal circuit error was detected E 915 E 917 A cooling fan error...

Страница 155: ...alue must be specified where the syntax contains NRf 12 6 123 Exponent too large Where the syntax contains NR3 make the exponent that follows E smaller 12 6 and Chapter 13 124 Too many digits Limit nu...

Страница 156: ...error The 2560A does not support the IEEE 488 2 macro specifications 272 Macro execution error The 2560A does not support the IEEE 488 2 macro specifications 273 Illegal macro label The 2560A does not...

Страница 157: ...the upper and lower sweeping limits 7 6 53 The output is off Sweeping cannot be executed because the output is turned off Turn the output on 5 7 6 7 Execution Errors 800 to 899 Code Message Correctiv...

Страница 158: ...appears RANGE dial 1 Select SETUP The SETUP indicator turns on Displaying the Error Log Menu 2 Turn a main setting dial to select ERROR NEXT appears on the deviation display All the PRESET indicators...

Страница 159: ...ode corresponding to the log number will be displayed Main setting dials use any 4 Select LOG Displays the error code Displays the log number Deviation dials 5 Select the log number Clearing the Error...

Страница 160: ...r The error code corresponding to the log number will be displayed Log numbers are assigned in chronological order Displays the error code Displays the log number Note For details on error codes see s...

Страница 161: ...s eliminate the cause and then clear the warning display Flip the OUTPUT switch down OFF to clear the warning display Flip the OUTPUT switch up ON to clear the warning display and turn the output on H...

Страница 162: ...lf test starts All the PRESET indicators turn off The deviation display shows WAIT and the output display shows the self test item All key operations are invalid during the test Main setting dials use...

Страница 163: ...tely PRESET switch 4 Return to the self test execution menu PRESET indicator Displays the error code Explanation You can execute a self test While the self test is in progress the output display shows...

Страница 164: ...n on 3 Flip the PRESET switch down The 2560A settings are initialized All the PRESET indicators turn off The 2560A returns from the SETUP menu to source mode and the range is set to 1 V PRESET switch...

Страница 165: ...SET switch down The product information menu appears All the PRESET indicators turn off PRESET switch 3 Display the product information menu Main setting dials use any 2 Select INFO PRESET indicator 4...

Страница 166: ...e version of each program for controlling the 2560A system is displayed You may need to check these when you update or repair the system Serial Number SER NO You can view the 2560A serial number instr...

Страница 167: ...d entra ner une surchauffe de l quipement et sa panne There is a filter attached to the air inlet on the rear panel of the 2560A Check the filter periodically to see that it is not clogged Removing th...

Страница 168: ...er attachment holes Cleaning the Filter Clean the filter with neutral agent Rinse well with tap water After cleaning swing the filter up and down to drain off excess water do not wring the filter Then...

Страница 169: ...ibration We recommend that you calibrate the 2560A once a year to maintain its accuracy 1 year accuracy Contact your nearest YOKOGAWA dealer to have your 2560A calibrated Adjustment Contact your neare...

Страница 170: ...mperature Coefficient ppm of setting A C 180 days 1 year 100 A 1 nA 50 5 n 100 12 n 150 20 n 10 0 5 n 1 mA 10 nA 5 15 n 50 20 n 70 30 n 3 1 5 n 10 mA 100 nA 5 150 n 50 200 n 70 300 n 5 15 n 100 mA 11...

Страница 171: ...C 0 1 C Approx 1 B 0 C to 1820 C 0 1 C Approx 1 J 210 C to 1200 C 0 1 C Approx 1 T 270 C to 400 C 0 1 C Approx 1 E 270 C to 1000 C 0 1 C Approx 1 K 270 C to 1300 C 0 1 C Approx 1 N 270 C to 1300 C 0 1...

Страница 172: ...ature is between 5 C to 20 C or 26 C to 40 C add the temperature coefficient compensation to the accuracy 3 If the reference junction compensation feature is used when the input terminal temperature i...

Страница 173: ...to the accuracy Output Noise Range DC to 10 Hz 10 Hz to 10 kHz Range DC to 10 Hz 10 Hz to 10 kHz 100 mV 5 Vp p 10 Vrms 100 A 0 1 Ap p 0 2 Arms 1 V 15 Vp p 20 Vrms 1 mA 0 5 Ap p 0 5 Arms 10 V 50 Vp p...

Страница 174: ...r 50 60 Hz signal Voltage output Ranges other than 1000 V 1000 V range 120 dB or higher 100 dB or higher Current output 1 A range or less 10 A range or higher 100 nA V or less 10 A V or less Output Va...

Страница 175: ...e output divider n is changed Preset to 5 when increased 5 when decreased 2 The deviation is set to 2 when the preset is selected or when the output divider n is changed Preset to 2 when increased 2 w...

Страница 176: ...the 2560A starts with those settings Error log Logs the error codes of the errors that the 2560A detects The error log can also be displayed Self test Performs a self test on its condition Initializin...

Страница 177: ...orms to IEEE 802 3 Transmission system Ethernet 100BASE TX 10BASE T Transfer rate 100 Mbps max Protocol TCP IP Supported services VXI 11 server DHCP client USB for PC Connection Item Specifications Nu...

Страница 178: ...d voltage between the measurement section and case for the external RJ sensor 257875 when it is connected see section 16 6 External dimensions Approx 426 mm W 177 mm H 400 mm D excluding protrusions W...

Страница 179: ...n degree 2 applies to normal indoor atmospheres with only non conductive pollution 3 The measurement category of the 2560A terminals is Other O Do not use it to measure the main power supply or for Me...

Страница 180: ...hen the sensor is connected to the 2560A s external RJ sensor input terminal Cord length Approx 1 95 m Only connect the RJ sensor 257875 to the 2560A or other designated instruments If the RJ sensor 2...

Страница 181: ...16 12 IM 2560A 01EN 16 7 External Dimensions Unless otherwise specified tolerances are 3 however tolerances are 0 3 mm when below 10 mm Rear view Unit mm 177 20 426 400 32 24 5 13 13...

Страница 182: ...the FPGA on the isolated side applies overshoot suppression and rising slope control smoothing for reducing inrush current for when a capacitive load is connected Then the FPGA sends the source code t...

Страница 183: ...ing MIN 0 A n 0 m 4 Divider value 0 4 Ammeter 5 A n 2 m 4 Divider value 2 4 Preset There are two ways to calibrate an analog meter One is to calibrate from the minimum value up and the other is to cal...

Страница 184: ...ing MIN 0 A Use the deviation dial to align the meter needle to the accurate scale position Example 4 5 A 5 A The deviation is 0 03 Calibrating a 4 20 mA Meter To calibrate at 4 mA 8 mA 12 mA 16 mA an...

Страница 185: ...X to 800 C and the main setting MIN to 200 C Set the output divider s denominator m to 10 Vary the numerator n from 0 to 10 and check the digital multimeter DMM reading connected to the output side of...

Страница 186: ...on temperature to 0 00 C For details on 2560A configuration see section 6 6 2 Set the thermocouple type temperature and the like and calibrate For details on 2560A configuration see sections 6 1 to 6...

Страница 187: ...he ambient temperature the temperature imbalance will cause the temperature of the terminals to change This may prevent accurate reference junction compensation In such a situation use a relay termina...

Страница 188: ...etails on 2560A configuration see sections 6 1 to 6 4 Four wire System Wiring Example 2560A Red white A and B are defined in IEC 60751 2008 and JIS C 1604 2013 Thermometer data logger and the like tha...

Страница 189: ...connected in parallel to the large current terminals of the 2560A up to 73 44 A of DC current can be output to the two units Output target device LO HI Note The specifications of accuracy stability an...

Страница 190: ...mperature range k Eu t Reference junction temperature tr Thermoelectromotive force Eu tr at reference junction temperature tr The 2560A calculates thermoelectromotive force Euout V at temperature t C...

Страница 191: ...ase sensitive TC USER definition file name TCUSER TXT RTD USER definition file name RTDUSER TXT Writing to the 2560A Write the user defined data from a definition file to the 2560A using the USB mass...

Страница 192: ...ASCII code character in the range of 20 to 7E hexadecimal For the characters that correspond to ASCII codes 20 to 7E see appendix 9 temperature range 1 to 100 Lower limit upper limit 0th order coeffic...

Страница 193: ...re set using separate commands A character string is set for each temperature range You must send a character string enclosed in single quotation marks or double quotation marks You can assign a chara...

Страница 194: ...selection MAX Yes No Output divider Numerator n 10 Yes No Denominator m 10 Yes Yes Deviation 0 00 Yes No Preset 0 Yes No Sweep HOLD Yes No Sweep time Approx 16 s Yes No Resolution mode NORM 5 5 digit...

Страница 195: ...mposite header elements constituting a command See chapters 12 and 13 7 Buffer sizes that affect block data transmission When block data is being transmitted the output queue is expanded to match the...

Страница 196: ...63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40...

Страница 197: ...8 dot matrix LED 1 3 DOWN 13 17 DOWN indicator 1 5 DOWN sweep 1 5 7 6 E Page emissions 16 9 environment 16 9 environmental standard 16 10 error codes 15 5 error indication 15 2 error log 2 12 15 9 Et...

Страница 198: ...6 3 polarity display 1 3 polarity indicator 1 5 POLARITY switch 1 3 13 7 pollution degree 16 9 power consumption 16 9 power cord iv power cord connecting 3 7 power inlet 1 2 power switch 1 1 power swi...

Страница 199: ...ion 2 1 system errors 15 8 system errors communication 15 7 T Page temperature 6 3 12 6 16 9 TEMPERATURE dial 1 1 temperature sensor 6 2 temperature sourcing 2 4 temperature unit 2 5 6 20 terminal plu...

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