MEC 20 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER
PM047 Rev 13 05/03/30
22
Thomson Technology
4.3. DIGITAL FAULT INPUT CIRCUITS
The MEC 20 Engine Controller provides up twelve digital fault input circuits that are user
programmable. Each digital fault input circuit is activated via a remote sensing contact
that is external to the controller.
Each digital fault input circuit may be programmed with a unique fault label description
as stored in the controller’s non-volatile memory. The following digital fault labels are
provided in each MEC 20 engine controller:
AIR DAMPER TRIPPED
HIGH OIL TEMP
BAT CHARGER INPUT FAIL
HIGH WINDING TEMP
BAT CHRG TROUBLE
IDLE
BREAKER TRIPPED
LOW COOLANT LEVEL
DC FAIL
LOW ENGINE TEMP
FAILED TO SYNC
LOW FUEL PRESS
GEN BREAKER OPEN
LOW FUEL LEVEL
GROUND FAULT
LOW OIL LEVEL
HIGH BEARING TEMP
LOW OIL PRESSURE
HIGH COOLER VIBRATION
REMOTE EMERG. STOP
HIGH ENGINE TEMP
REVERSE POWER
HIGH ENGINE VIBRATION
BASIN RUPTURE
HIGH FUEL LEVEL
ATS IN BYPASS
HIGH OIL LEVEL
FUEL LEAK
NO LOAD TEST
LOW FUEL PRESS
*HIGHINTKMANFTEMP
BAT CHARGER FAIL
VENT DAMPER FAIL
HIGH FUEL LEVEL
FAIL TO SYNC
“Blank” (i.e. no text for unused inputs)
Note:
Up to six
custom ”user defined”
fault label names may be specified for the MEC
20 controller at time of purchase. The six
custom
fault label names cannot be changed
once shipped from the factory.
4.3.1. FACTORY PROGRAMMED DIGITAL FAULT CIRCUITS
The MEC 20 is supplied from the factory programmed with twelve standard
digital fault circuits as follows:
Summary of Contents for MEC 20
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