Using The Scb-68 In Direct Feedthrough Mode - National Instruments SCB-68 User Manual

For more information about configuring the SCB-68 for a DAQ device,
refer to the Measurement & Automation Explorer Help for NI-DAQmx.
11. Test specific device functionality. Refer to the DAQ Getting Started
Guide for detailed information about running test panels in MAX.
When you have finished using the SCB-68, power off any external signals
connected to the SCB-68 before you power off your computer.

Using the SCB-68 in Direct Feedthrough Mode

High-Speed Digital I/O (DIO), NI Switch, R Series, AO Series, and
TIO Series devices, and devices without analog input functionality must use
direct feedthrough mode. Move the switches to the direct feedthrough mode
switch setting shown in Table 1.
Switch Setting
S5 S4 S3
Device
Refer to
Your Device
Documentation
for Device
Signal
Information
© National Instruments Corporation
Table 1. Direct Feedthrough Switch Setting
Direct feedthrough mode—Move switches S1, S2,
S1
S3, S4, and S5 to the positions shown at left. In this
mode:
S2
• All 68 signals from the device connect directly to
screw terminals.
Refer to Figure 3 for a detailed diagram.
Cable
1
2
67
68
Figure 3. Direct Feedthrough Mode Switch Setting
Description
SCB-68
Temperature
Sensor
S5 S4 S3
5
Signal
NC
Conditioning
S1
S2
SCB-68 User Guide
Screw
Terminal
1
2
67
68
NC