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Example: DC Isolation Test
This example performs the DC Isolation Test for Normally Open and Normally Closed channels to both Common and chassis (earth ground).
10 !RE-STORE "DC_ISOL"
20ASSIGN @Switch TO 70915
30ASSIGN @Dmm TO 722
40!
50OUTPUT @Dmm;"PRESET NORM;TRIG HOLD"
60OUTPUT @Dmm;"FUNC OHM;RANGE 1E9"
70!
80
90DISP "Connect DMM HI and LO to E1364A NO and C lines"
100PAUSE
110DISP
120!
130OUTPUT @Switch;"*RST" !Open all NO contacts
140WAIT 1
150OUTPUT @Dmm;"TRIG SGL"
160ENTER @Dmm;Rdg
170!
180PRINT "DC Isolation
190PRINT "R = "&VAL$(Rdg)
200PRINT
210!
220
230DISP "Connect DMM HI and LO to E1364A NC and C lines"
240PAUSE
250DISP
260!
270OUTPUT @Switch;"CLOS (@100:115)" !Open all NC contacts
280WAIT 1
290OUTPUT @Dmm;"TRIG SGL"
300ENTER @Dmm;Rdg
310!
320PRINT "DC Isolation
330PRINT "R = "&VAL$(Rdg)
340PRINT
350!
360
370DISP "Connect DMM HI and LO to E1364A NO line and mainframe chassis"
380PAUSE
390DISP
400!
Continued on Next Page
Chapter 2 | Verification Tests 31 |