Rockwell Automation 1755-OF8 GuardPLC Controller Systems - Manual (Page 31)

31 Publication 1753-UM001C-EN-P - March 2010 31
Chapter
2
Installation
Introduction
General Safety Open style devices must be provided with environmental and safety
protection by proper mounting in enclosures designed for specific
application conditions. See NEMA Standards 250 and IEC 60529, as
applicable, for explanations of the degrees of protection provided by
different types of enclosure.
Topic Page
General Safety 31
Mount the Equipment 32
Communication Connections 38
Reset Pushbutton 43
ATTENTION
Consider the following before installing your GuardPLC
1200/1600/1800 controller or distributed I/O.
These products are grounded through the DIN rail. Use
zinc-plated yellow-chromate steel DIN rails to assure proper
grounding. The use of other DIN rail materials (for example,
aluminum and plastic) that can corrode, oxidize, or are poor
conductors, can result in improper or intermittent grounding.