Onboard/External Excitation Selection; Table 2-3. Onboard/External Excitation Jumpers - National Instruments SC-2043-SG User Manual

Installation and Configuration

Onboard/External Excitation Selection

If you want to use the onboard voltage excitation source to excite your strain gauge bridges, set
both jumpers W1 and W3 to the INT position. If you want to use an external excitation source,
set both jumpers W1 and W3 to the EXT position and connect your excitation source to
connector J7.
Jumpers
J7
W1
W3
SC-2043-SG User Manual

Table 2-3. Onboard/External Excitation Jumpers

Description
INT position—Place jumpers W1
and W3 in this position to provide
excitation voltage from the onboard
excitation source. (factory setting)
EXT position—Place jumpers W1
and W3 in this position to provide
excitation voltage from an external
excitation source connected to
connector J7.
2-4 © National Instruments Corporation
Chapter 2
Configuration
W1, W3
EXT
INT
W1, W3
EXT
INT