40 RSTi-EP Functional Safety Manual GFK-2956A
Installation
Warning
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
installation and construction requirements of EN 60079- 15 and/or country-
specific regulations.
Warning
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
disconnected from the power supply.
Caution
The product can be destroyed by electrostatic discharge.
The components in the RSTi-EP series can be destroyed by electrostatic
discharge.
• Ensure that personnel and work equipment are adequately grounded.
Carry out all work during the installation/removal and replacement of components as described in
the RSTi-EP User Manual (GFK-2958) manual.
When using EP-19xx modules, observe the following additional notes:
• EP-19xx modules may only be installed in switch cabinets which meet protection class IP 54.
• Use wire-end ferrules in combination with flexible/multi-conductor cables.
• Ensure that external short circuits due to the cabling cannot occur for safety inputs in the
configuration without test pulses (refer to DIN EN ISO 13849-2 Table D.4).
Note: Once an electronic unit is removed from a power-feed module, the inputs and outputs of the
following modules are no longer supplied with power. With EP-19xx modules, this is
equivalent to triggering the connected safety equipment.
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