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6.1.10 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: When using RSTi-EP EP-19xx modules, also refer to the Modules for Functional Safety Manual
(GFK-2956).
6.1.11 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.
•
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.
6.2 Assembling the RSTi-EP Station
Explosion risk - During assembly work, sparks can form and surfaces may
become excessively hot.
• Before assembly, make sure that there is not a potentially explosive
atmosphere.
• For applications in potentially explosive atmospheres, observe the
Warning
installation and construction requirements of EN 60079- 15 and/or
country-specific regulations.
Dangerous contact voltage:
• Carry out assembly and wiring work on the RSTi-EP station only when the
power supply is disconnected.
• Make sure that the place of installation (switch cabinet etc.) has been
Warning
disconnected from the power supply.
The product can be destroyed by electrostatic discharge.
The components in the RSTi-EP series can be destroyed by electrostatic
discharge.
Caution
• Ensure that personnel and work equipment are adequately grounded.
Note: For failure-free operation, the end brackets delivered with the network adapter have to be
installed to achieve a permanent set of the RSTi-EP station.
GFK-2958E
RSTi-EP User Manual
Chapter 6 Installation
318
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