SELCO A/S M2500 Installation Manual
Revision: 23-04-2012 Page 21
5.3.1 Connection of alarm outputs
Following example shows the connection of an external relay for signaling a shutdown to an
external alarm system:
5.3.2 Common Alarm (terminal 46)
Normally Open Relay output. This output becomes energized for each alarm and shutdown.
The relay is normally de-energized. In case a new alarm/ shutdown appear while the relay is already
energized, the alarm will de-energize for two seconds and then energize again.
5.3.3 Shutdown (terminal 47)
Normally Open Relay output. This output becomes active for each shutdown.
The relay is normally de-energized.
5.3.4 Cable break (terminal 48)
Normally Open Relay output. This output becomes active for each cable break at the digital inputs
or sensor fails at the analogue inputs.
The relay is normally de-energized.
5.3.5 CAN (terminal 49)
Normally Open Relay output. This output becomes active in case a communication error on the
CAN J1939 is detected.
The relay is normally de-energized.
5.3.6 REF3 (terminal 50)
Common reference for all output relays terminals 46 to 49.
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