Rockwell Automation 1797-PS1N FLEX Ex 85-250V AC In/Quad-Ex DC Out Power Supply User Manual
Page 17

FLEX Ex 85…250V ac In/Quad-Ex dc Out Power Supply 17
Publication
1797-5.34 - September 2011
The wiring contained within the nonintrinsically-safe wiring
compartment and the intrinsically-safe wiring compartment shall be separated
from each other. Care must be taken to guarantee the separation of
nonintrinsically-safe and intrinsically-safe wiring. The partitions within the
power supply provide the necessary isolation for the electronics and the
wiring, however, extreme care must be taken to guarantee wires are contained
within their appropriate compartment and cannot contact any of the
electronics.
WARNING: Substitution of components may impair intrinsic safety.
Cable must be rated at a minimum of 100
o
C (212 °F).
Warning: Keep cover tightly closed when circuits are alive.
After disconnecting power supply, wait 15 minutes before removing
cover.
No live maintenance.
The ambient operating temperature (T
amb
) for this system
is -20…70
o
C.
IMPORTANT
For detailed certification information, refer to the FLEX Ex System
Certification Reference Manual, publication 1797-6.5.6.
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