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7351 Series Digital Multimeter Operation Manual

7.2 Interface Specifications

7-14

CAUTION:

Option 03 is a factory option that is applied to 7351E only. This option cannot be added after instru-
ment delivery.

Comparator output (7351E + Option 03)

Output signal

TTL Output: PASS/FAIL
Relay Output: PASS/Hi/Lo
(PASS/FAIL Output can be set individually)

Connector

Dsub 9-pin

a.Optical semiconductor relay contact

Allowable contact voltage (for break) DC30 V

Allowable contact current

DC120 mA

Withstand voltage between contact
and GND

30 V

Contact operating time

Approximately 1 ms or less

b. TTL Output

Output level

TTL Selecting the positive or negative logic

Maximum allowable applied voltage

12 Vpeak

External trigger signal
(7351A, 7351E + Option 03)

Connector

BNC

Signal level

TTL Detecting the falling edge

Pulse width



s or more

Complete signal output
(7351A, 7351E + Option 03)

Connector

BNC

Signal level

TTL Negative pulse

Sink Current

20 mA or below

Pulse width

Approx. 100



s (7351A)

Approx. 900



s (7351E + Option 03)

Item

Specifications

Содержание 7351A

Страница 1: ...MANUAL NUMBER C Printed in Japan ADC CORPORATION All rights reserved 7351A E Digital Multimeter Operation Manual FOE 8440238F00 First printing March 30 2007 Applicable Models 7351A 7351E 2007 Cover...

Страница 2: ......

Страница 3: ...ly Voltage 3 8 3 4 2 Changing the Power Supply Voltage 3 9 3 4 3 Connecting the Power Cable 3 11 3 4 4 Selecting the Power Supply Frequency 3 11 4 QUICK START 4 1 4 1 Panel Description 4 1 4 1 1 Front...

Страница 4: ...Sampling Operation 5 12 5 7 1 Sampling Count Setting 5 12 5 8 Trigger Function 5 13 5 8 1 Trigger System Operation 5 14 5 8 2 Trigger Source Selection 5 15 5 8 3 Trigger Delay Td 5 15 5 9 Calculation...

Страница 5: ...ete Signal Terminal COMPLETE OUT 6 13 6 6 Comparator Output 7351E Option 03 6 14 6 7 Command Reference 6 16 6 7 1 Selecting the Command Language 6 16 6 7 1 1 Compatibility 6 17 6 7 2 Output Data Forma...

Страница 6: ...libration Standards 8 5 8 3 3 Calibration Point 8 6 8 3 4 Calibration Procedure 8 8 8 4 Replacing Parts with Limited Life 8 11 8 5 Product Disposal and Recycle 8 12 8 6 Storage 8 14 8 7 Transportation...

Страница 7: ...age Measurement ACV and ACV AC DC 4 9 4 7 Resistance Measurement 2W and LP 2W 4 10 4 8 DC Current Measurement DCI 4 11 4 9 AC Current Measurement ACI and ACI AC DC 4 13 4 10 Continuity Measurement 4 1...

Страница 8: ......

Страница 9: ...e IMMED 4 17 4 11 Measurement Speed b when in the HOLD ON Trigger source EXT 4 18 4 12 Measurement Speed b when in the HOLD ON Trigger source BUS 4 18 4 13 Measurement Speed b when in the HOLD ON Trig...

Страница 10: ......

Страница 11: ...ter before using this instrument Chapter 3 SETUP This chapter describes how to setup this instru ment After setting up this instrument in an appro priate location turn on the power and check that this...

Страница 12: ...sensitivity 1 V in the DC voltage measurement Wide dynamic range 1 A to 10 A in the DC current measurement Low power resistance measurement function that reduces the self heating effect of the device...

Страница 13: ...g the power cable Contact an ADC CORPORATION sales representative immediately 2 2 Removing the Case The case of this instrument should only be opened by ADC CORPORATION service engineers WARNING This...

Страница 14: ...revented by the following precautions Changing the direction of the antenna of the television or radio Placing this instrument on the opposite side of the television or radio Placing this instrument a...

Страница 15: ...or the cushioning material is damaged keep them until the following inspections are complete 2 Check that the outside of the product is not damaged WARNING If any outside components of the product suc...

Страница 16: ...10001 Each 1 Power Fuse For 100V 120V DFT AAR25A 1 1 2 Power Fuse For 220V 240V DFT AAR16A 1 Overcurrent protection fuse DFS AN2A 1 1 Operation manual E7351A E 1 This manual 1 The power cable included...

Страница 17: ...free from corrosive gas An area away from direct sunlight A dust free area An area free from vibrations A low noise area Although this instrument has been designed to withstand a certain amount of no...

Страница 18: ...lectrostatic Countermeasures for the Work Floor and Human Body Figure 3 3 Electrostatic Countermeasures for the Workbench Table 3 2 ESD Countermeasures Human Body Use a wrist strap See Figure 3 2 Work...

Страница 19: ...ith caution because it has a sharp tip The rating of the alligator clip adapter is 33 VAC and 70 VDC or less WARNING Must not touch the metal part of the input cable to prevent any damage of electrica...

Страница 20: ...V measurements use the optional input cable A01001 in which the HI side is shielded The red wire of A01001 is shielded Do not cut the joint The rating of the probe decreases to 33 VAC and 70 VDC when...

Страница 21: ...tly according to each manual 2 Do not use too long a cable to connect the instrument or controller 3 Use shielded cables which are connected between peripherals Setting up the USB port To use the USB...

Страница 22: ...er supply voltage to be used Figure 3 4 Indication of the Set Power Supply Voltage Table 3 4 Relation Table between AC Power Supply Voltage and Indication of Set Power Supply Voltage AC power supply v...

Страница 23: ...fuse holder assembly by using flathead screwdrivers and then pull it out 2 Remove the power supply voltage selector from the fuse holder assembly 3 Rotate the power supply selector to be looked the c...

Страница 24: ...s Digital Multimeter Operation Manual 3 4 2 Changing the Power Supply Voltage 3 10 5 Replace the fuse holder assembly into the rear panel 6 Check that the correct power supply voltage is indicated in...

Страница 25: ...nal by using the included power cable See Figure 3 5 Figure 3 5 Connecting the Power Cable WARNING 1 Use a suitable power cable for the power supply voltage 2 To prevent any danger of electrical shock...

Страница 26: ......

Страница 27: ...nd panel operations which do not use MENU Other settings are set in the layered menus For more information on function descriptions and how to navigate the menus refer to Chapter 5 4 1 Panel Descripti...

Страница 28: ...ch the two wire method is used 4 DCI Selects the DC current measurement DCI 5 ACI Selects the AC current measurement ACI 6 FREQ Selects the frequency measurement FREQ 7 AC DC SHIFT ACV Selects the AC...

Страница 29: ...and fixes the range 3 UP Increases the measurement range by one level and fixes the range 4 1 1 5 Sampling Selection Keys 1 HOLD Holds or releases the sampling mode 2 TRIG Starts the measurement when...

Страница 30: ...on for Measurement 1 INPUT V Hz terminal HI terminal used for the DC voltage AC voltage resistance diode and frequency measurements 2 COM terminal LO terminal used for the DC voltage AC voltage DC cur...

Страница 31: ...elected from 100 V 120 V 220 V and 240 V A slow blow fuse is put 3 USB connector Connector for USB Used to output data and control remotely 4 GPIB connector 7351A Connector for GPIB Used to output dat...

Страница 32: ...nel Description 4 6 Figure 4 4 Rear Panel Description 7351E Option 03 8 RS 232 connector Connector for RS 232 7351E Option 03 This connector is used to output data and for remote control 9 COMPARATOR...

Страница 33: ...or more information on navigating the menus refer to Section 5 1 Menu This instrument saves the set conditions when the power is turned off The factory defaults are used in the descriptions in Chapter...

Страница 34: ...AC coupling is measured ACV AC DC measurement Press and ACV and DCV are measured and the root mean square value is displayed The AC and DC indicators are turned on to show the AC DC coupling WARNING D...

Страница 35: ...final value 4 2 1 3 Resistance Measurement 2W and LP 2W 1 Connect a DUT to the and COM terminals on the front panel 2 Press The resistance is measured by using the 2W 3 Press and The resistance is me...

Страница 36: ...se Shielding the DUT Using the A01001 input cable sold separately whose HI side is shielded Securing the input cable to prevent movement 4 2 1 4 DC Current Measurement DCI 1 Input terminals differ dep...

Страница 37: ...use refer to Chapter 8 MAIN TENANCE Figure 4 8 DC Current Measurement DCI Auto range restrictions The 10 A range is a fixed range The auto range cannot function between the 10 A range and 200 mA 2000...

Страница 38: ...ured ACI AC DC measurement Press and ACI and DCI are measured and the root mean square value is displayed The AC and DC indicators are turned on to show the AC DC coupling WARNING Do not apply current...

Страница 39: ...not function between the 10 A range and 200 mA 2000 mA ranges 4 2 1 6 Continuity Measurement 1 Connect a DUT to the and COM terminals on the front panel The continuity indicator is activated 2 Press a...

Страница 40: ...oltage between both terminals is measured Measurement range 2000 mV Measurement current 1 mA WARNING Do not apply voltage that exceeds the maximum allowable applied voltage Fire or electric shocks due...

Страница 41: ...mean the frequency range but the input voltage range Measure the input voltage by using the ACV function and then mea sure the frequency by using an appropriate voltage range depending on the input v...

Страница 42: ...he dark S and bright S WARNING Do not apply voltage that exceeds the maximum allowable applied voltage Fire or electric shocks due to the failure of this instrument may occur Figure 4 12 Frequency Mea...

Страница 43: ...asurement the sampling rate is used to set the gate time For more information on the frequency measurement refer to Section 4 2 1 Measurement Functions Table 4 10 Measurement Speed a when in the HOLD...

Страница 44: ...LOW2 4 7 times s 210 ms 2 3 times s 418 ms 200 ms Conditions Auto range OFF Auto zero OFF Calculation OFF Display OFF Trig ger delay 0 sec and GPIB data output Table 4 12 Measurement Speed b when in t...

Страница 45: ...85 ms 1 PLC SLOW1 6 times s 150 ms 3 times s 251 ms 100 ms SLOW2 4 times s 248 ms 2 times s 449 ms 200 ms Conditions Auto range OFF Auto zero OFF Calculation OFF Display OFF and Trigger delay 0 sec B...

Страница 46: ......

Страница 47: ...tegory Third layer Entry Execution layer Used to enter the values or select the setting Figure 5 1 Menu Operation Measured value display Note Italic Entry item Under line Cursor blinks Category layer...

Страница 48: ...by pressing Setting the numerical parameters For the numerical parameter that is set by entering the numerical value select either numerical digit decimal point position or unit prefix by using and T...

Страница 49: ...parameter Moves the target item to the numerical value Moves the target item to the left Displays the previous selection Moves the target item to the right category Moves the target item to the right...

Страница 50: ...layer 2 TRIG DELAY Trigger delay 0 s to 3600 s SRC Trigger source Selection IMMED MAN EXT BUS N Smpl Number of samples 1 to 20000 3 CALC COMP Comparative calculation OFF ON MATH Other calculations OFF...

Страница 51: ...9E 9 to 999 999E 9 ValDB Constant D dB dBm 0 000001E 9 to 999 999E 9 5 PARAM PON LD Selection of parameters which are loaded when the power is turned on P OFF USER0 SAVE Parameter save file selection...

Страница 52: ...CONT Initial value selection of the Continue setting OFF ON Only when SCPI is selected as the command language BAUD Baud rate selection Only when RS 232 is selected for the interface 9600 300 600 120...

Страница 53: ...ay and key tests F Inhi Disable function Each function can be set to ENA Enabling or DIS Disabling P Lock Panel lock OFF ON PWD Password For panel lock 4 digits password LINE Power supply frequency se...

Страница 54: ...g 5 3 Measurement Range and Auto Range 5 3 1 Measurement Function and Range Structure Table 5 2 shows the range structure corresponding to the measurement function Table 5 2 Measurement Function and R...

Страница 55: ...e judgment value used when the range is changed Range DOWN When the displayed value is less than 10 of the displayed range less than 200 V if the DCV 1000 V range and 700 V range are both selected Ran...

Страница 56: ...measurement time is doubled Set Auto zero in A ZERO in in Auto zero is performed at the current measurement range in the measurement function and range shown in the following table Auto zero can be p...

Страница 57: ...ms is required for the output to be displayed The time may vary depending on conditions Select OFF if sampling at high speed An error is displayed even if the display is set to OFF 5 6 Display Digit S...

Страница 58: ...t Sequence 5 7 1 Sampling Count Setting Although sampling is usually performed once when a trigger is detected sampling can be performed more than once Enter the number of sampling in N Smpl in in Sam...

Страница 59: ...rigger model Figure 5 3 Trigger Model INIT or INIT CONT ON ABORt RST PON DCL No 2 Yes INIT CONT ON No Device action Measurement Calculation Memory store Yes SOURce TRIGer SOURce IMMediate TRIGer SOURc...

Страница 60: ...is changed to the INITiate state by using either of the following trigger system com mands Starting the trigger system INITiate Setting CONTinuous to ON INITiate CONTinuous ON If CONTinuous is set to...

Страница 61: ...t is in the local state and HOLD ON the measurement starts The trigger key can be used regardless of the trigger source selection Trigger event buffer If triggers are input while this instrument is in...

Страница 62: ...to 3 7 ms resolution 61 s to 3600 s 1 s 1 s 1 s 1 If a value that is less than the resolution is set by using the panel or a remote command the setting value is rounded to the resolution Table 5 3 Tr...

Страница 63: ...ues and the decimal point and unit do not depend on the current measurement range Example DC voltage measurement measurement range 2000 mV input voltage 1 V Measurement value 1000 00 mV Calculation Re...

Страница 64: ...2 NULL constant The measurement value when the key is pressed is determined as the NULL constant The NULL calculation cannot be performed when the overload OL occurs The NULL constant can be checked...

Страница 65: ...e specified number of times smoothing count are calculated by using the moving averaging method the dispersion of the measurement values becomes small The smoothing calculation equation is shown below...

Страница 66: ...oothing calculation The smoothing calculation restarts from N 1 when any of the following conditions occur The power is turned on The smoothing count is changed The NULL calculation is performed Measu...

Страница 67: ...the following conditions occur The key is pressed while the smoothing calculation is performed The measurement function is changed The RST command is executed 5 Smoothing calculation and overload OL I...

Страница 68: ...ation is canceled and the MATH lamp turns off CAUTION The actual measurement value is not displayed while the scaling calculation is performed Remember that any hazardous voltage present on the input...

Страница 69: ...y the setting 4 S OL scaling over S OL is displayed If the scaling calculation result exceeds the values of 999 999E 6 In this time the measurement range is not changed to the upper range even if the...

Страница 70: ...calculation error occurs and error message is displayed Only one calculation can be selected from the dB dBm and scaling calculations at a time The dB and dBm calculation equations are shown below Whe...

Страница 71: ...refix by using and The unit prefix cycles through the following order p n m No unit prefix k M G T Press the key in this mode if setting the measurement value as Constant D 4 Press to apply the settin...

Страница 72: ...us register The buzzer sounds only when BEEP is set to ON The comparator calculation can be applied to all measurement functions However when MAX MIN calculation is set to ON the comparator calculatio...

Страница 73: ...T Press the key in this mode if setting the measurement value as the High or Low constant 3 Press to apply the setting If the constants are set as High constant Low constant the calculation results m...

Страница 74: ...setting mode 2 Select the PASS condition by using and 6 Canceling the comparator calculation The comparator calculation is canceled when any of the following conditions occur The comparator calculati...

Страница 75: ...to ON the buzzer sounds when the MAX or MIN value is renewed However although the displayed value is not changed the buzzer may sound This is because the resolution of measurement value is higher than...

Страница 76: ...Select a display item according to 2 Setting the calculation in this section The selected value is displayed by pressing 5 Canceling the MAX MIN calculation The MAX MIN calculation is canceled when an...

Страница 77: ...tical cal culation Number of samples SCNT Number of data Number of overload in the specified range Maximum value SMAX Maximum value of the data to be calculated Minimum value SMIN Minimum value of the...

Страница 78: ...on result 1 The display item of the calculation results can be selected in STAT in 2 Select a display item by pressing and after the statistical calculation is per formed MENU MENU 7 MEM STAT SAMPL MA...

Страница 79: ...nditions stored in USER0 can be loaded when the power is turned on Select from the followings in PON LD in the category in P OFF Starts this instrument under the measurement conditions stored when the...

Страница 80: ...measurement results reaches 20000 the buzzer sounds and the ST indicator blinks 5 11 2 Memory Recall Enter the data number to be recalled in RCL in in Pressing determines the setting and turns on the...

Страница 81: ...the following from LINE in the category in 50 The commercial power supply frequency is 50 Hz 60 The commercial power supply frequency is 60 Hz 5 12 3 Disabling Functions To prevent incorrect function...

Страница 82: ...abling the Function Setting function Function depending on the function setting Diode ACV AC DC ACI AC DC Continuity ACI FREQ DCV ACV DCI ACI 2W LP 2W FREQ Automatically set to ENA or DIS according to...

Страница 83: ...g procedure Operation Character display section 1 Press and select by using and MENU SYS 2 Press SYS BEEP 3 Select PWD by using and SYS PWD 4 Press PWD NEW 5 Select the digit in the numerical value en...

Страница 84: ...EP 3 Select P Lock by using and SYS P Lock 4 Press P Lock OFF 5 Select ON by using and and press P Lock ON 6 Select the digit in the numerical value entry section by using and Change the numerical val...

Страница 85: ...ommand Up to 20 errors can be recorded For more information on error numbers and solutions refer to Section 8 11 Error Message List Reading the error queue Errors are displayed in order by pressing in...

Страница 86: ......

Страница 87: ...the power or using the address setting in MENU The interface setting item and the initial setting when shipping are shown below Setting item Initial setting when shipping Header ON OFF ON GPIB address...

Страница 88: ...nse is set to the new model name the indicator at the lower right of the display section is turned off Changing the response to IDN by remote command When the response is set to the old model name the...

Страница 89: ...are common to the USB commands General Specifications Standard IEEE 488 Code ASCII code Logical level Logic 0 High state 2 4 V or more Logic 1 Low state 0 4 V or less Table 6 1 Interface Functions Cod...

Страница 90: ...on the bus before connecting or disconnecting GPIB cables Check that the chas sis of the devices on the bus are connected to each other and to the ground before connecting or dis connecting any GPIB c...

Страница 91: ...ing menu can be used when the GPIB is selected as the interface Address setting 1 Enter any address from 0 to 30 in GP Adr of in 2 Press to apply the setting Talk Only setting 1 Select the following f...

Страница 92: ...n on how to set RS 232 Operation on the front panel refer to 6 3 2 RS 232 Setting The 9 pin connector DB 9 male connector used for the RS 232 interface is located on the rear panel of this instrument...

Страница 93: ...etting 1 Select the following from T ONLY of in ON Talk Only OFF Addressable 2 Press to apply the setting Baud rate 1 Select the following from BAUD of in 9600 300 600 1200 2400 4800 2 Press to apply...

Страница 94: ...ch output and output format are as follows 1 Echo output The echo output is enabled when its interface setting is set to ON Identical received data is output However if C CONTROL C and LF are entered...

Страница 95: ...Basic Application Control used Microsoft Communications Control RS 232 control Example 1 Sets the measurement function to the 2W measurement detects the measurement end by using the status byte reads...

Страница 96: ...MSComm1 PortOpen False Closes the port Private Sub rx_prompt Subroutine procedure for receiving a prompt Dim prompt As String Do Repeats If UserForm1 MSComm1 InBufferCount 5 Then If there is received...

Страница 97: ...rom 1 to 127 can be set as USBid Remote Local Function is available Input command ASCII strings command which sets functions and the query command Output format ASCII strings which describe measuremen...

Страница 98: ...IGGER IN This instrument can be triggered by inputting a negative logic pulse from the external trigger terminal TRIGGER IN on the rear panel Select EXTernal as the trigger source when using this term...

Страница 99: ...surement complete signal terminal COMPLETE OUT on the rear panel when the measurement is complete Pulse width Approx 100 sec Approx 900 s 7351E Option 03 The measurement complete signal can be used as...

Страница 100: ...relay contact Allowable contact voltage for break DC30 V Allowable contact current DC120 mA Withstand voltage between contact and GND 30 V Contact operating time 1 ms or less Contact output LO 4 pin...

Страница 101: ...pin RELAY HI RELAY PASS TTL PASS RELAY LO TTL FAIL Hi make See Table 6 4 break See Table 6 4 Go break break Lo break make Table 6 4 Optical Semiconductor Relay Contact and TTL Logical Output b PASS co...

Страница 102: ...selection procedure is shown below 1 Select the category from the mode and press to enter the selection layer 2 Select the LANG parameter by pressing and and press to enter in the entry layer 3 Select...

Страница 103: ...the R2 20 mV range command for R6441 sets R3 200 mV range for this instrument The measured value is output with the 200 mV range format 2 For the DC current measurement function the R5 20 mA range com...

Страница 104: ...output from the measurement data memory the comma is output as a data delimiter With header Without header In the above case header 1 and space 2 are not output 1 Main header of 3 characters Sub head...

Страница 105: ...C DC ADI AC current AC DC coupling measurement ACI AC DC DOD Diode measurement Diode R2L Low power resistance measurement 2W RCT Continuity test Cont FRQ Frequency measurement Freq Sub header Descript...

Страница 106: ...dE 00 200 V ddd dddE 00 1000 V dddd ddE 00 ACV 200 mV ddd dddE 03 2000 mV dddd ddE 03 20 V dd ddddE 00 200 V ddd dddE 00 700 V dddd ddE 00 ACV AC DC 200 mV ddd dddE 03 2000 mV dddd ddE 03 20 V dd dddd...

Страница 107: ...ddddE 00 100 Hz dd ddddE 00 1000 Hz ddd dddE 00 10 kHz d dddddE 03 100 kHz dd ddddE 03 1000 kHz ddd dddE 03 LP 2W 200 ddd dddE 00 2000 dddd ddE 00 20 k dd ddddE 03 200 k ddd dddE 03 2000 k dddd ddE 03...

Страница 108: ...er the last command Item Command Description Initial value R6451 Measurement Function F1 DC voltage measurement DCV F2 AC voltage measurement ACV F3 Resistance measurement 2W F5 DC current measurement...

Страница 109: ...a IRNO 00000 00001 ICL Measurement data memory initialization Trigger system Start INI Leaves the IDLE state Continue INIC0 CONTINUOUS OFF INIC1 CONTINUOUS ON INIC Reply INIC0 or INIC1 Trigger abort A...

Страница 110: ...V 2000 k 2000 mA 2000 mA 2000 mA 2000 k 700 V R8 20 M 10 A 10 A 10 A 20 M R9 200 M R Reply One of R0 R3 to R9 Range Fix RX Range switching from AUTO to MANUAL Sampling rate PR1 FAST PR2 MED PR3 SLOW1...

Страница 111: ...r SM1 TIn Smoothing count n 2 to 100 counts 10 TI Reply TIddd Scaling calculation SC0 OFF SC1 ON SC Reply SC0 or SC1 KAn Constant A Zero cannot be set n 999999 E 6 to 999999 E 6 Setting resolution 0 0...

Страница 112: ...alculation ON 3 MN Reply One of MN0 to MN1 MAX MAX value reading 2 Reply M d dddddE dd MIN MIN value reading 2 Reply I d dddddE dd AVE AVE value reading 2 Reply A d dddddE dd AVN Measurement count rea...

Страница 113: ...atistical calculation range setting and performing the calculation n m 0 to 19999 Note 1 An error occurs if no data exists in the range set by the measurement data memory 2 No parameters can be omitte...

Страница 114: ...s the response to IDN OID1 The old model name is the response to IDN OID Response OID0 or OID1 Instrument information IDN New model name response ADC Corp xxxxx nnnnnnnnn mmm xxxxx 7351A or 7351E Prod...

Страница 115: ...tionable event register QER Reply ddddd QSEn Sets the questionable event enable register QEER n 0 to 65535 QSE Reply ddddd OSR Reads the operation event register OER Reply ddddd OSEn Sets the operatio...

Страница 116: ...ose the character strings by using or Up to 50 characters one byte alphanumeric characters can be stored CMNT Reply CMNT xxxx xxx Setting parameter SAVn n 0 to 3 Saves the setting parameters in area n...

Страница 117: ...ter is a numeric type or a character string type it is enclosed in angle brackets If the parameter is optional it is enclosed in braces Optional items are delimited by and the multiple descriptions in...

Страница 118: ...CURRent DC DC current measurement DCI CURRent AC AC current measurement ACI VOLTage ACDC AC voltage AC DC coupling mea surement ACV AC DC CURRent ACDC AC current AC DC coupling measurement ACI AC DC D...

Страница 119: ...Format TRACe DATA POIN ts Number of measurement results reading Reply ddddd TRACe DATA NUM Ber Data range reading Reply ddddd TRACe CLEar Initialization Trigger system Start INITiate Exits the IDLE s...

Страница 120: ...imum 1 Reply d dddddE dd The reply is the maximum value for the specified range Sampling rate SENSe function SRATe FAST MED SLOW SSLow 1 FAST FAST MED MED SLOW SLOW1 SSLow SLOW2 The setting is applied...

Страница 121: ...CALCulate SMOothing POINts int MAXimum MINimum Smoothing count int 2 to 100 counts 10 CALCulate SMOothing POINts MAXimum MINimum Reply ddd Scaling calcula tion CALCulate SCALing ON 1 OFF 0 ON 1 ON OF...

Страница 122: ...IN calculation CALCulate AVERage ON 1 OFF 0 ON 1 ON OFF 0 OFF CALCulate AVERage Reply 1 or 0 CALCulate AVERage MAXimum MAX value reading CALCulate AVERage MINimum MIN value reading CALCulate AVERage A...

Страница 123: ...N 1 OFF 0 ON 1 Calculation result HI is specified as the PASS condition OFF 0 Calculation result HI is not specified as the PASS condition CALCulate LIMit PASS UPPer Reply 1 or 0 Statistical cal culat...

Страница 124: ...Hz 60 60 Hz SENSe LFRQency Reply 50 or 60 Initialization RST Parameter initialization Changing the response to IDN 1 OIDentity ON 1 OFF 0 OFF 0 The new model name is the response to IDN ON 1 The old m...

Страница 125: ...ionable ENABle int Sets the questionable event enable register int 0 to 65535 STATus QUEStionable ENABle Reply ddddd STATus OPERation EVENt Reads the operation event register Reply ddddd STATus OPERat...

Страница 126: ...str Sets the calibration information str Enclose the character strings by using Up to 50 characters one byte alphanumeric characters can be stored CALibration STRing Reply CMNT xxxxx xxx Setting para...

Страница 127: ...correspondent to each event Sometimes the changes are retained Once this register is set the setting value is kept until it is read by a query or cleared by CLS Data cannot be written into the event r...

Страница 128: ...ital Multimeter Operation Manual 6 7 5 Status Register Structure 6 42 The status register structure in this instrument is shown in Figure 6 4 and Figure 6 5 Figure 6 4 Status Register Structure 1 2 SR...

Страница 129: ...ister has an enable register that determines which bit is to be enabled The enable reg ister sets the corresponding bit in decimal Service Request Enable Register SRER setting SRE Standard Event Statu...

Страница 130: ...s section describes the status byte register The status byte register structure is shown in Figure 6 6 Figure 6 6 Status Byte Register Structure This status byte register follows the status register e...

Страница 131: ...nd no data has existed in Error Queue 3 QSB Questionable Sum mary Bit ON When any event of Questionable Event Register occurs and Questionable Event Register is set to 1 this bit is set to 1 if the co...

Страница 132: ...e power is turned on When the CLS command is executed However the MAV bit is not cleared if data exists in the output buffer The status byte register is not cleared by executing STB command Conditions...

Страница 133: ...n Complete ON This bit is set to 1 when all operations are complete after receiving the OPC command 1 Not used Always 0 2 QYE Query Error ON This bit is set to 1 under any of the following conditions...

Страница 134: ...Description 0 FL FAIL ON This bit is set to 1 when the comparator calculation result satisfies the FAIL conditions 1 PS PASS ON This bit is set to 1 when the comparator calculation result satisfies th...

Страница 135: ...tage Overload ON This bit is set to 1 when OL occurs in the voltage or diode measurement 1 Current Overload ON This bit is set to 1 when OL occurs in the current measurement 2 Not used Always 0 3 Not...

Страница 136: ...gister When the power is turned on When the STATus OPERation ENABle 0 command is executed When the OSE0 command is executed Table 6 9 Operation Event Register OER bit Name Description 0 Not used Alway...

Страница 137: ...Example 1 Measures a voltage in the DCV 20 V range and reads the measurement data from the 7351A The GPIB address of the 7351A is set to 1 and the header is set to OFF Dim DMM_ADR As Integer Declares...

Страница 138: ...zes the GPIB I F Call ibconfig dmm IbcUnAddr 1 Sets the transmitting and receiving addresses individually Call ibwrt dmm RST Chr 10 Initializes the 7351A Call ibwrt dmm F3 Chr 10 Sets the measurement...

Страница 139: ...351A GPIB address Dim dmm As Integer Declares the variable of the device descriptor Dim dt As String 100 Declares the variable of the buffer used for receiving the GPIB data DMM_ADR 1 The GPIB address...

Страница 140: ...ll ibwrt dmm RST Chr 10 Initializes the 7351A Call ibwrt dmm SENSE FUNCTION RESISTANCE Chr 10 Sets the measurement function to 2 W Call ibwrt dmm SENSE RESISTANCE RANGE 1999 Chr 10 Sets the measuremen...

Страница 141: ...ading digits C FAST MED SLOW1 2 FAST MED SLOW1 2 FAST MED SLOW1 2 AZ ON AZ OFF V COM 200 mV 199 99 199 999 10 V 1 V More than 1 G 0 012 2 0 012 7 0 012 6 15 0 85 15 2 2000 mV 1999 9 1999 99 100 V 10 V...

Страница 142: ...FAST MED SLOW1 2 FAST MED SLOW1 2 V COM 200 mV 199 99 199 999 10 V 1 V 2000 mV 1999 9 1999 99 100 V 10 V 20 V 19 999 19 9999 1 mV 100 V 1 M 2 140 pF or less 200 V 199 99 199 999 10 mV 1 mV 700 V 749...

Страница 143: ...19 99 19 999 10 mV 1000 V 1 M 2 140 pF or less 200 V 199 9 199 99 100 mV 10 mV 700 V 749 749 9 1000 mV 100 mV Range Measurement accuracy 1 of reading digits 20 Hz 45 Hz 45 Hz 100 Hz 100 Hz 20 kHz 20...

Страница 144: ...10 35 2 35 5 20 M 19 999 19 9999 1 k 100 100 nA 0 2 2 0 2 10 0 2 10 155 2 155 5 200 M 199 99 199 999 10 k 1 k 10 nA 1 5 2 1 5 10 1 5 10 1500 2 1500 5 1 The offset error which consists of the measurem...

Страница 145: ...A 1 A 0 5 or less 0 03 2 0 03 10 0 03 10 40 1 40 2 2000 mA 1999 9 1999 99 100 A 10 A 0 5 or less 0 05 2 0 05 7 0 05 6 50 0 7 50 1 5 10 A COM 10 A 10 999 10 9999 1 mA 100 A 0 06 or less 0 15 2 0 15 7 0...

Страница 146: ...esistance between input terminals FAST MED SLOW1 2 FAST MED SLOW1 2 mA COM 200 mA 199 99 199 999 10 A 1 A 0 5 or less 2000 mA 1999 9 1999 99 100 A 10 A 0 5 or less 10 A COM 10 A 10 999 10 9999 1 mA 10...

Страница 147: ...3 20 0 3 10 2000 mA 0 5 20 0 35 10 0 35 20 10 A 0 5 20 0 35 20 0 7 20 1 For sinusoidal wave input Range Crest factor 1 2 2 3 200 mA 0 0 05 0 1 0 15 2000 mA 0 0 05 0 1 0 15 10 A 0 0 05 0 03 0 15 Maximu...

Страница 148: ...e input signal is restricted to the maximum allowable applied voltage Gate time Maximum allowable applied voltage Measurement frequency range Measurement accuracy Sinusoidal wave 10 Hz 300 kHz 0 02 of...

Страница 149: ...FAST MED SLOW1 2 FAST MED SLOW1 2 AZ ON AZ OFF 2000 mV 1999 9 1999 99 100 V 10 V 1 mA 0 014 2 0 014 5 0 014 3 15 0 25 15 1 5 1 The offset error which is calculated by the following formula the measure...

Страница 150: ...ms 1 PLC SLOW1 9 5 times s 105 ms 4 7 times s 212 ms 100 ms SLOW2 4 9 times s 205 ms 2 4 times s 412 ms 200 ms Conditions Auto range OFF Auto zero OFF Calculation OFF and Display OFF RATE setting Mea...

Страница 151: ...range OFF Auto zero OFF Calculation OFF Display OFF Trigger delay 0 sec and GPIB RATE setting Measurement speed In Auto range OFF Integration time DCV DCI 2W LP 2W ACV ACI Continuity Diode ACV AC DC...

Страница 152: ...arts Display value AVE Arithmetic mean after the calculation starts Remote output only dB and dBm calculation dB display 20 log Measurement value D dBm display value 10 log Measurement value 2 D 10 3...

Страница 153: ...signal Complete signal output USB Standard Compliance with USB1 1 Connector Type B GPIB 7351A Standard Compliance with IEEE488 2 Connector 24 pin Anphenol Interface functions SH1 AH1 T5 L4 SR1 RL1 PP0...

Страница 154: ...contact voltage for break DC30 V Allowable contact current DC120 mA Withstand voltage between contact and GND 30 V Contact operating time Approximately 1 ms or less b TTL Output Output level TTL Sele...

Страница 155: ...L Trigger function External trigger 7351A 7351E Option 03 Memory Data memory Up to 20 000 data Condition setting memory 4 USER0 to USER3 Power supply AC power supply 100 V 120 V 220 V 240 V Can be swi...

Страница 156: ......

Страница 157: ...a fuse listed in Table 3 1 Never use an incompatible fuse and short circuit the fuse holder 2 Whether a fuse has blown cannot be checked by observation Measure the resistance of the fuse and judge wh...

Страница 158: ...of the protection fuse by connecting the terminals as shown in Figure 8 1 a For the mA terminal Connect the mA and terminals Set the resistance measurement function and measure the resistance of the...

Страница 159: ...remove the fuse 2 Replace with a fuse which is compliant with the standard and listed in Table 3 1 and secure the fuse cap Figure 8 2 Input Terminal Protection Fuse A protection fuse for the 10 A curr...

Страница 160: ...s instrument 8 2 1 Cleaning the Outside Use a soft or damp cloth to clean this instrument NOTE 1 Do not allow water inside this instrument or lint on this instrument 2 Do not use an organic solvent su...

Страница 161: ...noise 3 Warm up time Perform calibration after allowing a warm up time of 60 minutes or more Sufficient warm up time is also required for the instrument used for calibration 8 3 2 Calibration Standard...

Страница 162: ...nstru ment is calibrated when the calibration is performed in the DC voltage and AC voltage measurements 8 In the continuity and diode measurements no calibration is required because the instrument is...

Страница 163: ...00 k 20 M Short 19 M DCI 200 mA Open 190 mA 2000 mA Open 1900 mA 10 A Open 10 A ACI ACI AC DC 200 mA Open 5 mA 1 kHz 19 mA 1 kHz 190 mA 1 kHz 2000 mA Open 50 mA 1 kHz 190 mA 1 kHz 1900 mA 1 kHz 10 A O...

Страница 164: ...e calibration standard to the input terminal 5 Calibrate the full scale point in a function and range to be calibrated 6 Cancel the calibration mode Setting the calibration mode 1 Select ON from CAL i...

Страница 165: ...librate them in the order of calibration point 1 2 and 3 13 Input a voltage equivalent to the calibration point 14 Pressing the key displays the measurement value as a setting value 15 Adjust the sett...

Страница 166: ...nd keys are disabled in the calibration mode Only and can be selected in 2 Before turning off the power cancel the calibration mode Calibration data is stored in internal nonvolatile memory and writte...

Страница 167: ...he following table Note that the life span may be shorter than that described depending on the operating environment frequency of use and storage environment MEMO The table shows the life spans of par...

Страница 168: ...ation Unit Component Quantity in maximum configuration Polychlorinated biphenyls PCB containing capacitors Not used Mercury containing compo nents Not used Batteries Not used Printed circuit boards Us...

Страница 169: ...onic components Optocouplerand logic IC 2 Nickel and Nickel com pounds Used Main frame Electronic components and mechanical parts Nickel plated parts Lead and Lead compounds Used Main frame BPL 032930...

Страница 170: ...rtation When transporting this instrument use the packing materials used for the shipping of this instrument or equivalent materials thickness of carton case is 5 mm or more Packing procedure 1 Place...

Страница 171: ...t cable is correctly con nected to the current input terminals 200 mA and 2000 mA ranges mA and COM terminals 10 A range 10 A and COM terminals Securely connect the input cable to the cor rect termina...

Страница 172: ...Calibration When sending this instrument to ADC CORPORATION sales representative attach a tag that indicates the following information Your company name and address Name of the person in charge Seria...

Страница 173: ...tion on how to initialize the parameters refer to Section 5 10 Sav ing and Loading the Measurement Condition Settings Initial value when shipping The following shows how to set all parameters except f...

Страница 174: ...alue NORMAL Selecting USER0 3 NORMAL Smoothing calculation OFF OFF Saved value OFF Selecting USER0 3 OFF Smoothing count 10 10 Saved value 10 Selecting USER0 3 10 Scaling calculation OFF OFF Saved val...

Страница 175: ...EOI CR LF EOI SRQ ON ON ON ON ON Display ON OFF ON ON ON ON ON ON Calibration mode OFF OFF OFF OFF Status register QEER 0 0 0 Status register OEER 0 0 0 Status register SESER 0 0 2 Status register MEE...

Страница 176: ...ether they light Pressing panel keys display their names Test according to the following procedure Table 8 5 Self Test Items Item Can be performed from the Panel or by Remote Can be performed when the...

Страница 177: ...Y ENTER 5 Press All segments of the display are turned on The display changes after a few seconds KEY Push 6 Press a key to be checked KEY Key name to be pressed 7 To quit the key test press KEY SHIFT...

Страница 178: ...nhibited function Solution1 8 Err140 RS 232 communication error RS 232 Communication Error Solution10 9 Err150 USB communication error Illegal packet received Solution2 10 Err200 Ratio test error of I...

Страница 179: ...ng data Solution5 27 Err 200 Execution error Command which cannot be executed now Execution error Solution6 28 Err 213 The INITiate command is ignored because the measurement is performing Init ignore...

Страница 180: ...tive this instrument Solution1 Set the correct function Solution2 Check the USB cable connection Solution3 Calibrate according to the correct procedure Solution4 Perform the ZERO cancellation Solution...

Страница 181: ...L OUTLINE DRAWING Unit mm NOTE This drawing shows external dimensions of this instrument The difference in products and options used can cause a change in the appearance of the instrument DIMENSIONAL...

Страница 182: ......

Страница 183: ...E Option 03 6 14 Compatibility 6 17 Connecting the Power Cable 3 11 Connecting to a Personal Computer 6 11 Contacting ADC CORPORATION for Repair or Calibration 8 16 Contents of this Manual 1 1 Continu...

Страница 184: ...rostatic Discharge 3 4 Q QUICK START 4 1 R Rear Panel Description 4 5 Removing the Case 2 1 Replacing a Power Fuse 8 1 Replacing a Protection Fuse 8 1 Replacing Fuses 8 1 Replacing Parts with Limited...

Страница 185: ...7351 Series Digital Multimeter Operation Manual Alphabetical Index I 3 U USB 6 11 USB Specifications 6 11 USBid Setting 6 11...

Страница 186: ......

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