Installation Sequence; Arrangement Of Sil Modules; Preparation And The Required Tool - Emerson PACSystems RSTi-EP User Manual

User Manual
GFK-2958J
For
When calculating the width for vertical installation, 4.5 mm (0.18") must be added for the
end bracket.

Installation Sequence

A RSTi-EP station may only be installed in this sequence (starting from the left/bottom):
•
•
•
•
If the station has already been configured, proceed to the corresponding installation
drawing. If you are configuring the station yourself, observe the following instructions:
•
•

Arrangement of SIL Modules

An EP-19xx module can be positioned anywhere in the RSTi-EP station. All of the following
output modules up to the next EP-7641 module are safely disconnected (safety segment).
Multiple EP-19xx modules / safety segments can be set up in a single station.
Note:

Preparation and the Required Tool

The DIN rail must already be installed. To mechanically install the RSTi-EP station, you will
need a 3-mm screwdriver.
•
•
•
Installation
+ n x 11.5 mm (0.45")
+ 11.5 mm (0.45")
+ 2 x 20 mm (0.79")
= 111.5 mm (4.39") + n x 11.5 mm (0.45")
vertical installation
End bracket
Bus network adapter
Up to 64 active modules
End plate and end bracket
Observe the maximum current carrying capacity (refer to Section 3.5, Current
Demand and Power Supply).
Furthermore, the modules may be arranged in any sequence. In order to configure
the station as clearly as possible, it is recommended to arrange the modules
according to their function.
When using RSTi-EP EP-19xx modules, also refer to the Modules for Functional Safety Manual
(GFK-2956).
Lay out the modules in the intended sequence.
Check whether the DIN rail feet can be moved on both end brackets. If necessary,
loosen the mounting screw until the DIN rail feet can be moved freely.
If not done yet, fit an earth terminal to the DIN rail.
n modules
end plate and end bracket
distances to the sides
interchange height
Chapter 6
Oct 2019
and width.
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