© National Instruments Corporation A-1 SCXI-1190/1191 User Manual
A

Specifications

This appendix lists the specifications for the SCXI-1190 and the
SCXI-1191 multiplexer modules. These specifications are typical at 25 °C
unless otherwise noted.

SCXI-1190

Input Characteristics
Number of relays per bank.....................3
Number of banks....................................4
Common-mode voltage
Channel to earth..............................24 VDC
Maximum switching voltage
AC...................................................24 Vrms
DC...................................................24 VDC
Maximum switching capacity per channel
DC...................................................1 A at 24 V
AC...................................................1 Arms at 24 V
Maximum switching
power per channel..................................24 W
Contact on resistance (initial) ................ 100 mΩ max
Contact material..................................... Gold-clad silver