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10 FLEX Ex Power Supply
Mount the 1797-PS2E2 Power Supply
Follow these directions to properly install the 1797-PS2E2 power supply.
Refer to the Installation and Commissioning section, page 7, for important
precautions and considerations.
Use star washers and nuts to make sure you have a good electrical
ATTENTION
connection. Scrape the paint off the back panel in those areas where
grounding bolts will be located.
1. Remove the screws on the cover of the power supply Ex e terminal
box to access the input and output terminals.
2. Thread the blue IS-safe output power wiring through the blue IS
compression seals.
3. Connect the blue IS-safe output power wiring to the output terminals
making sure all connections are tight.
These power supply outputs provide the input power to the FLEX Ex
modules.
4. Thread the hazardous incoming-power wiring through the black
compression seals.
5. Connect the hazardous incoming-power wiring to the input terminals
making sure all connections are tight.
You can daisy-chain the hazardous incoming-power wiring to further
supplies to simplify system wiring.
ATTENTION
Publication
1797-IN535F-EN-P - August 2017
Keep hazardous and IS-safe wiring separated in a suitable
fashion. Do not leave long, excess wiring that could bridge
between the hazardous and safe areas.
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