National Instruments SCXI-1190/1191 - Manual (Page 24)

Chapter 2 Using the SCXI-119X
SCXI-1190/1191 User Manual 2-2 www.ni.com
Figure 2-1. SCXI-119X Module Block Diagram
Safety Instructions
Cautions Do not operate damaged equipment. The safety protection features built into this
instrument can become impaired if the instrument becomes damaged in any way. If the
instrument is damaged, do not use it until service-trained personnel can check its safety.
If necessary, return the instrument to National Instruments for service and repair to ensure
that its safety is not compromised.
Do not operate this instrument in a manner that contradicts the information specified in this
document. Misuse of this instrument could result in a shock hazard.
Do not substitute parts or modify equipment. Because of the danger of introducing
additional hazards, do not install unauthorized parts or modify the instrument. Return the
instrument to National Instruments for service and repair to ensure that its safety is not
compromised.
3A comA 2A 1A 0A 3B comB 2B 1B 0B 3C comC 2C 1C 0C 3D comD 2D 1D 0D
Rear Signal
Connector
SCXIbus
Relay Controller
and
Drivers
Relay Control Bus
SCXI-1190
SCXI-1191
Hardware
Architecture