Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 238
Publication 1797-6.5.6 - June 2005
52-4 1797-PS2N2 FLEX Ex Power Supply
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
°
C.
WARNING: Keep cover tightly closed when circuits are live.
After disconnecting power supply, wait fifteen minutes before removing
cover.
No live maintenance.