
Chapter 2 Parts Locator and Wiring Guide
© National Instruments Corporation 2-5 SCB-68 Shielded Connector Block User Manual
Single-ended temperature sensor, with accessory power enabled2
Single-ended analog input3
Differential temperature sensor, with accessory power enabled2
Differential analog input
1 When accessory power is enabled, I/O pin 8 is fused and is intended to be connected to +5V. This setting is not
recommended for use with the NI653X, NI 670X, or NI 660X. Refer to the device user manual at ni.com/manuals to
determine if the device supplies +5V to I/O pin 8.
2 Only applies to the signal conditioning circuitry.
3 Except NI61XX devices. Refer to the device user manual at ni.com/manuals to determine if the device supports
single-ended inputs.
Table 2-1. Switch Configurations and Affected Signals (Continued)
Switch Setting Applicable Signals
S1
S2
S5 S4 S3
Signal Conditioning
Circuitry Power (On)
Temperature Sensor
S1
S2
S5 S4 S3
Signal Conditioning
Circuitry Power (On)
Temperature Sensor