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Quick Reference Guide

17

Setting limit values

To enter high and low limit values, press the Limits VALUE key to view the present HI1 
limit value. Use the cursor and RANGE keys to display the desired value, then press 
ENTER. Repeat the process to set LO1, HI2, and LO2 values. 

Enabling limits

Press the Limits ON/OFF key to view the present beeper status, then change as necessary. 
Press ENTER to return to the normal display. The HI/IN/LO status is displayed along with 
the reading. To disable Limits, press the ON/OFF key. 

Remote limits programming

SCPI commands

SCPI commands for basic limit testing are listed in Table 9

.

Table 9

Limit testing SCPI commands

Command

Description

:CALCulate3:LIMit:STATe <b>

Enable/disable Limit 1 test: <b> = ON or OFF. 

:CALCulate3:LIMit:LOWer <n>

Set lower limit for Limit 1: <n> = limit; -100e6 to 100e6. 

:CALCulate3:LIMit:UPPer <n>

Set upper limit for Limit 1: <n> = limit; -100e6 to 100e6. 

:CALCulate3:LIMit:FAIL?

Query Limit 1 test result (0 = pass, 1 = fail).

:CALCulate3:LIMit:CLEar[:IMMediate]

Clear Limit 1 fail indication.

:CALCulate3:LIMit:CLEar:AUTO <b>

Enable/disable Limit 1 auto clear.

:CALCulate3:LIMit2:STATe <b>

Enable/disable Limit 2 test: <b> = ON or OFF. 

:CALCulate3:LIMit2:LOWer <n>

Set lower limit for Limit 2: <n> = limit; -100e6 to 100e6. 

:CALCulate3:LIMit2:UPPer <n>

Set upper limit for Limit 2: <n> = limit; -100e6 to 100e6. 

:CALCulate3:LIMit2:FAIL?

Query Limit 2 test result (0 = pass, 1 = fail).

:CALCulate3:LIMit2:CLEar[:IMMediate]

Clear Limit 2 fail indication.

:CALCulate3:LIMit2:CLEar:AUTO <b>

Enable/disable Limit 2 auto clear.

Summary of Contents for 2182

Page 1: ...www keithley com Model 2182 2182A Nanovoltmeter Quick Reference Guide 2182A 903 01 Rev A June 2004 A G R E A T E R M E A S U R E O F C O N F I D E N C E...

Page 2: ...m product modification without Keithley Instruments express written consent or misuse of any product or part This warranty also does not apply to fuses software non rechargeable batteries damage from...

Page 3: ...04 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A First Printing June 2004 Document Number 2182A 903 01 Rev A This Quick Reference Guide supports both the Models 2182 and 2182A Refe...

Page 4: ...uld incorporate immediately into the manual Addenda are numbered sequentially When a new Revision is created allAddenda associated with the previous Revision of the manual are incorporated into the ne...

Page 5: ...tional Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data I O signals are Measurement Category I and must not be directly connected to mains voltage or to voltage sou...

Page 6: ...instrument shows that the surface may be hot Avoid personal contact to prevent burns The symbol indicates a connection terminal to the equipment frame If this symbol is on a product it indicates that...

Page 7: ...ted SCPI commands for remote operation are summarized in tables Most commands have a query form For example OUTPut ON turns the analog output on while OUTPut requests the present state of the analog o...

Page 8: ...e explained throughout this guide 2182 NANOVOLTMETER RANGE CHANNEL 1 SHIFT LOCAL POWER RANGE SHIFT CH1 REM TALK LSTN SRQ STAT REL FILT 4W BUFFER MATH REAR SCAN TIMER STEP CH2 CH3 CH4 CH5 CH6 CH7 CH8 C...

Page 9: ...DeoxIT WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY CAUTION FOR CONTINUED PROTEC...

Page 10: ...rature measurements that use an external simulated reference junction The red and black wires connect HI and LO of Channel 1 and the green and white wires connect HI and LO of Channel 2 Model 2107 Inp...

Page 11: ...ctions for single channel voltage measurements using a Model 2107 cable to connect Channel 1 are shown in Figure 4 Test circuit DUT HI HI LO LO Black Green Red White DCV1 CH 1 CH 2 2182 2107 Input cab...

Page 12: ...ltage measurements using a Model 2107 cable to connect both Channel 1 and Channel 2 are shown in Figure 5 Test circuit DUT HI HI LO LO Black Green Red White DCV1 CH 1 CH 2 2182 2107 Input cable Cable...

Page 13: ...e input cable and thermocouple wires are immersed in the ice bath CH 1 CH 2 HI LO HI LO DUT Test circuit Thermocouple Thermocouple wire soldered directly to LEMO connector one of two TEMP1 Red Black 2...

Page 14: ...e measurements is provided in Table 2 It assumes that the DUT is already connected to the Model 2182 as explained in Basic connections Table 1 Voltage measurement procedure Procedure Details 1 Connect...

Page 15: ...string is the default condition See Section 14 FORMat subsystem of the Model 2182 User s Manual for details on all aspects of the data format SCPI commands SCPI commands to measure voltage and tempera...

Page 16: ...ltage measurement example Command1 Comments RST Restore GPIB defaults SENS FUNC VOLT Select voltage measurement function SENS CHAN 1 Select channel 1 SENS VOLT CHAN1 RANG AUTO ON Enable channel 1 auto...

Page 17: ...0 1 PLC Selects the fastest front panel integration time Select 0 1 PLC fast if speed is of primary importance at the expense of increased reading noise 1 PLC Selects a medium integration time Select...

Page 18: ...general the digital filter places a specified number of A D conversions Filter Count into a memory stack These A D conversions must occur consecutively within a selected reading window Filter Window T...

Page 19: ...HANnel1 LPASs b Enable disable DCV1 analog filter SENSe VOLTage CHANnel1 DFILter STATe b Enable disable DCV1 digital filter SENSe VOLTage CHANnel2 LPASs b Enable disable DCV2 analog filter SENSe VOLTa...

Page 20: ...each input trigger or press of TRIG key will store a reading Recalling readings To recall readings press the RECALL key The BUFFER annunciator turns on to indicate that stored readings are being displ...

Page 21: ...tion TRACe CLEar Clear readings from buffer TRACe FREE Query bytes available and bytes in use TRACe POINts n Specify number of readings to store 2 to 1024 TRACe FEED name Select source of readings SEN...

Page 22: ...is option the beeper is disabled Only the HI IN LO status message is used for the Limit 1 test OUTSIDE With this option the beeper sounds when the reading is outside HI or LO of Limit 1 INSIDE With th...

Page 23: ...ands Command Description CALCulate3 LIMit STATe b Enable disable Limit 1 test b ON or OFF CALCulate3 LIMit LOWer n Set lower limit for Limit 1 n limit 100e6 to 100e6 CALCulate3 LIMit UPPer n Set upper...

Page 24: ...1 or TEMP2 or by selecting Delta Delta Delta provides the measurements and calculation for the DC current reversal technique to cancel the effects of thermal EMFs in the test leads Each Delta reading...

Page 25: ...asurement function DCV1 DCV2 TEMP1 or TEMP2 or by selecting Ratio NOTE Delta measurements by the Model 2182 require the use of an alternating polarity source The source must have external triggering c...

Page 26: ...nunciator will turn off Percent This math function determines percent deviation from a specified reference value The percent calculation is performed as follows Input Reference Percent 100 Reference w...

Page 27: ...Specify units for mX b one or two characters enclosed in single or double quotes CALCulate KMATh PERcent NRf Specify reference value for Percent 100e6 to 100e6 CALCulate KMATh PERcent ACQuire Use inpu...

Page 28: ...22 Quick Reference Guide...

Page 29: ...ble Will not read applied input Overload Calibration only Certificate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system in...

Page 30: ...ll other trademarks and trade names are the property of their respective companies A G R E A T E R M E A S U R E O F C O N F I D E N C E Keithley Instruments Inc Corporate Headquarters 28775 Aurora Ro...

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