Measurement Computing WBK Options - Manual (Page 54)

CN-189 Schematic
CN-189 DB9 Adapter for WBK16, Configuration Table
Function P3 P4 Resistor Used in R1
1 Internal Excitation Sense Short 1 and 2 Short 6 and 7
2 ¼ Bridge Using (RA) 2-Wire Short 3 and 4
3 ¼ Bridge Using (RC) 2-Wire Short 5 and 6
4 ¼ Bridge Using (RE) 2-Wire Short 6 and 7
5 High Gain Amp Ground Path (Short) Short 5 and 6
6 High Gain Amp (Resistive) Ground Path
(EXT) Resistor between
5 and 6
7 High Gain Amp (RE) Ground Path (INT) Short 1 and 2
8 High Gain Amp (RC) Ground Path (INT) Short 2 and 3
9 High Gain Amp (RA) Ground Path (INT) Short 4 and 5
10 Current Measurement (Differential) Shunt resistor in R1
11 Differential Load Resistor Load resistor in R1
For the functions listed in the preceding table, internal WBK16 configurations
still apply as indicated on pages 8 through 12 .
WBK16, pg. 14 949794 WBK16, Strain-Gage Module