Keithley 2790 User Manual

Also see for 2790: Reference manual

Contents

Keithley 2790 User Manual Manual pdf 90 page image

Model 2790 SourceMeter® Switch System User’s Manual 5-21Table 5-4Test procedure – contact checks for dual stage inflatorTest Step Command Sequence Front Panel Operation1) Reset 2790 and open allchannels.*RST Press SHIFT > press SETUP > select RESTORE:FACT.2) Select Ω2. SENS:FUNC ‘RES’ Press Ω2.3) Close channels to test HIcontact for bridgewire A.ROUT:MULT:CLOS(@101,114,118)Press CLOSE > select MULTI > select101 > select 114 > select 118 > press EXIT.4) Verify channels that areclosed (optional).ROUT:MULT:CLOS? Press SHIFT > press CARD > select VIEW > selectSLOT1: 7751 or 7753. Press EXIT when finished.5) Perform measurement. READ? Take reading from display.6) Open all channels. ROUT:OPEN:ALL Press OPEN > select ALL.7) Close channels to test HIcontact for bridgewire B.ROUT:MULT:CLOS(@104,114,118)Press CLOSE > select MULTI > select104 > select 114 > select 118 > press EXIT.8) Verify channels that areclosed (optional).ROUT:MULT:CLOS? Press SHIFT > press CARD > select VIEW > selectSLOT1: 7751 or 7753. Press EXIT when finished.9) Perform measurement. READ? Take reading from display.10) Open all channels. ROUT:OPEN:ALL Press OPEN > select ALL.11) Close channels to testhousing contact.ROUT:MULT:CLOS(@108,115,118)Press CLOSE > select MULTI > select108> select 115 > select 118 > press EXIT.12) Verify channels that areclosed (optional).ROUT:MULT:CLOS? Press SHIFT > press CARD > select VIEW > selectSLOT1: 7751, 7752, or 7753. Press EXIT whenfinished.13) Perform measurement. READ? Take reading from display. Reading should be 2Ω orless.14) Open all channels. ROUT:OPEN:ALL Press OPEN > select ALL.Test step notes:1. Resetting the 2790 opens all channels and selects the DCV function (auto range). For remote programming, *RST places the2790 in the one-shot trigger mode. For front panel operation, FACT defaults places the 2790 in the continuous trigger mode.2. This step selects the Ω2 measurement function of the Model 2790.3. This step closes the channels to make the connections for the HI contact test (bridgewire A).4. This step is optional. Use it to verify that the correct channels are closed for the test.5. For remote programming, READ? triggers and requests a single reading.6. Always open all channels at the beginning and end of a test.7. This step closes the channels to make the connections for the HI contact test (bridgewire B).8. This step is optional. Use it to verify that the correct channels are closed for the test.9. For remote programming, READ? triggers and requests a single reading.10. Always open all channels at the beginning and end of a test.11. This step closes the channels to make the connections for the housing contact test.12. This step is optional. Use it to verify that the correct channels are closed for the test.13. For remote programming, READ? triggers and requests a single reading.14. Always open all channels at the beginning and end of a test.