Appendix D SCXI-1121 Front Connector
SCXI-1121 User Manual D-4 www.natinst.com
Further information is given in Chapter 2, Configuration and Installation.
C18 EX2– Negative Excitation Output 2—This pin is connected to the
excitation channel 2 negative output.
A20 CH2+ Positive Input Channel 2—This pin is connected to the input
channel 2 positive input.
C20 CH2– Negative Input Channel 2—This pin is connected to the input
channel 2 negative input.
A22 EGND1 Excitation Ground 1—This pin connects to the excitation ground 1
via a 51 kΩ resistor.
A24 EX1+ Positive Excitation Output 1—This pin is connected to the
excitation channel 1 positive output.
C24 EX1– Negative Excitation Output 1—This pin is connected to the
excitation channel 1 negative output.
A26 CH1+ Positive Input Channel 1—This pin is connected to the input
channel 1 positive input.
C26 CH1– Negative Input Channel 1—This pin is connected to the input
channel 1 negative input.
A28 EGND0 Excitation Ground 0—This pin connects to the excitation ground 0
via a 51 kΩ resistor.
A30 EX0+ Positive Excitation Output 0—This pin is connected to the
excitation channel 0 positive output.
C30 EX0– Negative Excitation Output 0—This pin is connected to the
excitation channel 0 negative output.
A32 CH0+ Positive Input Channel 0—This pin is connected to the input
channel 0 positive input.
C32 CH0– Negative Input Channel 0—This pin is connected to the input
channel 0 negative input.
Pin Signal
Name Description