©
National Instruments Corporation
A-1
A
Specifications
This appendix lists the specifications for the SCXI-1104/C module.
These specifications are typical at 25
°
C unless otherwise noted.
Analog Input
Input Characteristics
Number of channels ............................... 32 differential
Input signal ranges ................................. 30 VAC
rms
±
42 VAC
peak
±60 VDC
Max working voltage
( common mode) ....................... Each input should remain
within
±
42 VAC
peak
, ±60 VDC of
CGND
Input damage level
................................. ±
42 VAC
peak
or ±60 VDC
Inputs protected............................... CH<0..31>
Common-mode input range ................... ±60 VDC with respect to CGND
Transfer Characteristics
Nonlinearity ........................................... 0.01% FSR
Offset error
After calibration .............................. 300
µ
V max
Before calibration ........................... 1 mV typ
Gain error (relative to calibration reference)
After calibration .............................. 0.02% of reading max
Before calibration ........................... 0.1% of reading typ