Agilent 34970A/34972A Data Acquisition / Switch Unit

Chapter 4 Calibration Procedures
Relay Verification
Tests 9 - 10:
Test
#
Channel
Configured
Open all channels on the module by performing a Factory Reset.
Configure Channel 08 (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
HI LO HI
Sense
LO
Sense
Measured Value
Test
Limit
Relay
Measured
Module Reference
9 Ch 08 P3 P3 P2 P2 ________Ohms — —
10 Subtract (Test 9 - Test 4 ________Ohms 2.00 K328
4
Tests 11 - 27:
Open all channels on the module by performing a Factory Reset. For
each test, close only the channels shown in the “Channels 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 Ch 16 & 1 P3 P3 P1 P1 ________Ohms 2.00 K301
12 Ch 16 & 2 P3 P3 P1 P1 ________Ohms 2.00 K302
13 Ch 16 & 3 P3 P3 P1 P1 ________Ohms 2.00 K303
14 Ch 16 & 4 P3 P3 P1 P1 ________Ohms 2.00 K304
15 Ch 16 & 5 P3 P3 P1 P1 ________Ohms 2.00 K305
*Only the channel currently under test should be closed at one time. All other channels should be open.
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