4.4 IN SERVICE Contact
The DR60 has a contact for signaling equipment failure (failsafe), located in Slot A,
shown in figure below. The IN SERVICE contact is normally closed (NC) and it opens
when the equipment goes into normal operation. In case of firmware or hardware
failure or shutdown of the equipment, the contact will close.
IN SERVICE contact for signaling equipment failure
For information about the IN SERVICE contact specifications, refer to the Specifications
Chapter.
Connections shall use insulated flexible wires of 1.5 mm² cross section, voltage rating of
300Vrms.
Apart from the turning off, the events on the alarm table below will active the IN
SERVICE contact:
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