Agilent 34970A/34972A Data Acquisition / Switch Unit

Chapter 4 Calibration Procedures
Relay Verification
Tests 1 - 32:
Open all channels on the module by performing a Factory Reset (press
and select “Recall State”; press again and select “Factory
Reset”). For each test, close only the channels shown in the “Channels
Closed” column below (module in slot 200). Record the 4-wire ohms
measurements from the external DMM in the following table.
Note: To prepare the module between tests, press and hold down until
“Card Reset” is displayed on the front panel.
External DMM Ohmmeter Connections
Module Reference
Test
#
Channel
Closed*
HI LO HI
Sense
LO
Sense
Measured Value
Test
Limit
Relay
Measured
1 Ch 11 & 41 P1 P1 P4 P4 ________Ohms 2.00 K101
2 Ch 12 & 42 P1 P1 P4 P4 ________Ohms 2.00 K102
4
3 Ch 13 & 43 P1 P1 P4 P4 ________Ohms 2.00 K103
4 Ch 14 & 44 P1 P1 P4 P4 ________Ohms 2.00 K104
5 Ch 15 & 45 P1 P1 P4 P4 ________Ohms 2.00 K105
6 Ch 16 & 46 P1 P1 P4 P4 ________Ohms 2.00 K106
7 Ch 17 & 47 P1 P1 P4 P4 ________Ohms 2.00 K107
8 Ch 18 & 48 P1 P1 P4 P4 ________Ohms 2.00 K108
9 Ch 21 & 41 P2 P2 P4 P4 ________Ohms 2.00 K201
10 Ch 22 & 42 P2 P2 P4 P4 ________Ohms 2.00 K202
11 Ch 23 & 43 P2 P2 P4 P4 ________Ohms 2.00 K203
12 Ch 24 & 44 P2 P2 P4 P4 ________Ohms 2.00 K204
13 Ch 25 & 45 P2 P2 P4 P4 ________Ohms 2.00 K205
14 Ch 26 & 46 P2 P2 P4 P4 ________Ohms 2.00 K206
15 Ch 27 & 47 P2 P2 P4 P4 ________Ohms 2.00 K207
16 Ch 28 & 48 P2 P2 P4 P4 ________Ohms 2.00 K208
*Only the channel currently under test should be closed at one time. All other channels should be open.
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