Agilent 34970A/34972A Data Acquisition / Switch Unit

Chapter 4 Calibration Procedures
Relay Verification
Tests 9 - 10:
Open all channels on the module by performing a Factory Reset.
Configure Channel 10 (module in slot 200) as follows: 4-wire ohms, 1 k
range, and 5½ digits.
Enable reading monitoring by pressing on the selected channel (or
use the ROUTe:MON command). Record the 4-wire ohms measurements
from the external DMM in the following table.
External DMM Ohmmeter Connections
Test
#
Channel
Configured HI LO
HI
Sense
LO
Sense
Measured Value
Test
Limit
Relay
Measured
9 Ch 10 P2 P2 P3 P3 ________Ohms — —
10 Subtract (Test 9 - Test 3) ________Ohms 2.00 K423
Tests 11- 33:
Open all channels on the module by performing a Factory Reset. For
each test, close only the channel shown in the “Channel Closed” column
below (module in slot 200). Turn the Monitor Mode “off” and select
“Banks Joined” from the Advanced menu. Record the 4-wire ohms
measurements from the external DMM in the following table.
External DMM Ohmmeter Connections
Test
#
Channel
Closed*
HI LO HI
Sense
LO
Sense
Measured Value
Test
Limit
Relay
Measured
11 Ch1 P2 P2 P1 P1 ________Ohms 2.00 K401
12 Ch 2 P2 P2 P1 P1 ________Ohms 2.00 K402
13 Ch 3 P2 P2 P1 P1 ________Ohms 2.00 K403
14 Ch 4 P2 P2 P1 P1 ________Ohms 2.00 K404
15 Ch 5 P2 P2 P1 P1 ________Ohms 2.00 K405
16 Ch 6 P2 P2 P1 P1 ________Ohms 2.00 K406
17 Ch 7 P2 P2 P1 P1 ________Ohms 2.00 K407
*Only the channel currently under test should be closed at one time. All other channels should be open.
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