GETTING STARTED GUIDE
NI 9147
Ethernet Expansion Chassis for C Series Modules
This document describes how to begin using the NI 9147.
Safety Guidelines
Caution
Do not operate the NI 9147 in a manner not specified in this document.
Product misuse can result in a hazard. You can compromise the safety protection
built into the product if the product is damaged in any way. If the product is
damaged, return it to NI for repair.
Safety Guidelines for Hazardous Locations
The NI 9147 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous
locations; Class I, Zone 2, AEx nA IIC T4 and Ex nA IIC T4 hazardous locations; and
nonhazardous locations only. Follow these guidelines if you are installing the NI 9147 in a
potentially explosive environment. Not following these guidelines may result in serious injury
or death.
Caution
Do not disconnect the power supply wires and connectors from the
controller unless power has been switched off.
Caution
Do not disconnect I/O-side wires or connectors unless power has been
switched off or the area is known to be nonhazardous.