Arrangement Of Safe Power-Feed Modules; Power Supply Concept - Emerson PACSystems RSTi-EP User Manual

User Manual
GFK-2958J
Figure 10: Installation Position of the RSTI-EP Station on the DIN Rail (Vertical
Installation)
A RSTi-EP station may only be installed in this sequence (starting from the left/bottom):
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•
•
•
Attention

Arrangement of Safe Power-Feed Modules

A safe power-feed module EP-19xx module can be positioned anywhere in the RSTi-EP
station. All the following output modules (except for the EP-2814 and EP-2714 relay
modules) up to the next EP-19xx module are safely disconnected (safety segment). Multiple
EP-19xx modules/safety segments can be arranged within a station.
Note:

Power Supply Concept

The RSTi-EP system uses three internal current paths as described in the following chapter,
Detailed Descriptions of the Fieldbus Network Adapters. Input and output paths are
supplied separately, therefore a custom-fit refreshing by power-feed modules is easily
feasible.
Configuration
End bracket
Network adapter
Up to 82 modules (including max. 64 active modules)
End plate and end bracket
A maximum of three passive modules (potential
distribution module, power-feed module or blank
module) may be placed in successive positions. Then at
least one active module must follow.
When using RSTi-EP EP-19xx modules, also refer to the Modules for Functional Safety Manual
(GFK-2956).
Chapter 3
Oct 2019
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