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Chs 00 - 07 and 90
HI Measurements
Ch 00 - 07 and 90
LO Measurements
Chapter 2
1. Make Hardware Connections
Turn mainframe power OFF
–
Connect DMM leads as shown in Figure 2-3
–
Turn mainframe power ON
–
Figure 2-3. Ch 0-7 and 90 HI Measurements Connections
2. Measure Channel 00 HI Resistance
Send
–
Send
–
Trigger the DMM with
–
Send
–
Subtract measured value of R20 from DMM reading
–
Enter the result in Table 2-2 for Channel 00 HI
–
3. Repeat for Channels 01 - 07 HI and Channel 90 HI
Repeat steps 1 and 2 for channels 01 - 07 HI and 90 HI
–
Use
–
card # and
For Channel 90 HI, subtract combined value of R20 + R26
–
1. Make Hardware Connections
Turn mainframe power OFF
–
Connect DMM leads as shown in Figure 2-4
–
Turn mainframe power ON
–
2. Measure Channel 00 LO Resistance
Send
–
Send
–
Trigger the DMM with
–
Send
–
Subtract measured value of R21 from DMM reading
–
Enter the result in Table 2-2 for Channel 00 LO
–
to multiplexer
*RST
to close chan 00, where
CLOS (@nn00)
TRIG SGL
to open channel 00
OPEN (@nn00)
and
CLOS (@nncc)
OPEN (@nncc)
= channel # (omit leading zeroes in
cc
to multiplexer
*RST
to close chan 00, where
CLOS (@nn00)
TRIG SGL
to open channel 00
OPEN (@nn00)
= card #
nn
and note reading
, where
=
nn
)
nn
= card #
nn
and note reading
Verification Tests 25
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