Agilent Technologies E1364A service manual Example DC Isolation Test

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!---------------NORMALLY OPEN TO COMMON---------------

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 -- Normally Open Channels to Common"

190PRINT "R = "&VAL$(Rdg)

200PRINT

210!

220!---------------NORMALLY CLOSED TO COMMON---------------

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 -- Normally Closed Channels to Common"

330PRINT "R = "&VAL$(Rdg)

340PRINT

350!

360!---------------NORMALLY OPEN TO CHASSIS---------------

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