Rockwell Automation 1797-PS1E FLEX Ex 85-253V AC In/Quad-Ex DC Out Power Supply - Manual (Page 8)

8 FLEX Ex 85…253V ac In/Quad-Ex dc Out Power Supply
Publication 1797-5.33 - April 2007
Electrostatic Charge
Protect the system against electrostatic charge. Post a sign near this module.
Attention! Avoid electrostatic charge.
ATENÇÃO! PREVENIR CONTRA O ACÚMULO DE
CARGA ELETROSTÁTICA
For your convenience, a sign that can be cut out and posted is included on the
last page of these installation instructions.
Outputs
When using an intrinsically-safe electrical apparatus according to EN50020,
the European directives and regulations must be followed.
The channels in the power supply are electrically connected to each other and
have a common +V line.
Mount the 1797-PS1E Power Supply
Follow these directions to properly install the 1797-PS1E power supply. Refer
to Installation and Commissioning, page 7, for important precautions and
considerations.
1. Remove the screws on the cover of the power supply EEx 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.
IMPORTANT
You cannot interconnect lines because of the intrinsic safety
requirements.
ATTENTION
Use star washers and nuts to make sure you have a good electrical
connection. Scrape the paint off the back panel in those areas where
grounding bolts will be located.