MEC 310 GENSET CONTROLLER
PM075 REV 2 09/08/20 Page 31 THOMSON TECHNOLOGY
Output functions
It is possible to configure the output functions indicated in the table. The unit has 7 configurable
relay outputs (output terminals 20-27 and 45-48).
Input function
Factory setting
Run coil Relay 23
Stop coil
Prepare Relay 21
Starter Relay 22
Engine run indication
Idle speed output
Horn Relay 24
Alarm/limit Relay 26
Fuel pump
Engine heater
Stop coil (not acc in start seq.)
Generator breaker Relay 45
Mains Breaker Relay 47
Output function description
1.
Run coil
The relay configured to Run coil will be closed the entire time the engine is supposed to run.
2.
Stop coil
This relay will close to stop the engine, and when no running feedback is present it will stay
closed in the ext. stop time (parameter 6212).
3.
Prepare
This function will close the relay as the first thing in the start sequence. The relay will be closed
for the time programmed in parameter 6181. This function is used for preheating the engine or
for prelubrication.
4.
Starter
The relay configured to Starter will be closed for the time selected in parameter 6184 in the start
sequence of the MEC 310.
5.
Engine run indication
If a relay is configured to this function, this relay will close when a running feedback is detected.
The relay will open again when the engine stops.
6.
Idle speed output
This relay will close to give the engine governor the idle command (Low speed).
7.
Horn
The horn relay is a common alarm output. This means that every time an alarm state appears
the horn relay will close for the time configured in the parameter 6130 Alarm horn regardless of
Relay 47 is closed when de-
energized, but works as all other relays when MEC
Relay 21/22/23/24/25/26 cannot be configured as MB or GB
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