Agilent Technologies 34970A, Service Manual, Page: 105 / 273

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
Test
#
Channels
Closed*
HI LO
HI
Sense
LO
Sense
Measured Value
Test
Limit
Relay
Measured
1 Ch 11 & 41 P1 P1 P4 P4 __________ Ohms
2.00
Ω K101
2 Ch 12 & 42 P1 P1 P4 P4 __________ Ohms 2.00 Ω K102
3 Ch 13 & 43 P1 P1 P4 P4 __________ Ohms
2.00 Ω
K103
4 Ch 14 & 44 P1 P1 P4 P4 __________ Ohms
2.00
Ω K104
5 Ch 15 & 45 P1 P1 P4 P4 __________ Ohms
2.00 Ω
K105
6 Ch 16 & 46 P1 P1 P4 P4 __________ Ohms
2.00 Ω
K106
7 Ch 17 & 47 P1 P1 P4 P4 __________ Ohms
2.00 Ω
K107
8 Ch 18 & 48 P1 P1 P4 P4 __________ Ohms 2.00 Ω K108
9 Ch 21 & 41 P2 P2 P4 P4 __________ Ohms
2.00 Ω
K201
10 Ch 22 & 42 P2 P2 P4 P4 __________ Ohms
2.00
Ω K202
11 Ch 23 & 43 P2 P2 P4 P4 __________ Ohms
2.00 Ω
K203
12 Ch 24 & 44 P2 P2 P4 P4 __________ Ohms
2.00 Ω
K204
13 Ch 25 & 45 P2 P2 P4 P4 __________ Ohms
2.00 Ω
K205
14 Ch 26 & 46 P2 P2 P4 P4 __________ Ohms 2.00 Ω K206
15 Ch 27 & 47 P2 P2 P4 P4 __________ Ohms
2.00 Ω
K207
16 Ch 28 & 48 P2 P2 P4 P4 __________ Ohms
2.00
Ω K208
* Only the channels currently under test should be closed at one time. All other channels should be open.
Continued on next page...
Module Reference
4
Chapter 4 Calibration Procedures
Relay Verification
103