National Instruments 776570-00, User Manual

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Chapter 2 Configuration and Installation
SCXI-1120/D User Manual 2-10 www.natinst.com
Direct Temperature Connection
Jumper W41
Gain Jumpers for the SCXI-1120/D
Each input channel has two user-configurable gain stages. The first gain
stage provides gains of 1, 10, 50, and 100, and the second stage provides
gains of 1, 2, 5, 10, and 20. Tables 2-4 and 2-5 show how to set up the gain
for each channel.
Table 2-3.
Jumper W41 Settings
Description Configuration
Position 1—Temperature sensor
accessed in MTS mode
(factory-default setting)
Position 3—Temperature sensor
accessed in DTS mode, DAQ device
configured for NRSE or RSE mode.
Can access sensor in parallel with
other eight outputs or scan with other
channels without software
interference. Connects to pin 18 of
the rear signal connector and
corresponds to ACH15 of the MIO
devices or the PC-LPM-16/PnP.
Table 2-4. Gain Jumper Allocation
Input Channel
Number
First Gain
Jumper
Second Gain
Jumper
0 W1 W9
1 W2 W10
2 W3 W11
3 W4 W12
4 W5 W13
5 W6 W14
1 2 3
1 2 3