The DGC-2020 is a generator-set controller. It is used on generator sets from Dgc-2020, MQ Power, MTU and Tradewinds Power, including the 1500 kW Containerized Diesel Generator Set, 800kW Containerized Diesel Generator Set, EGC2000C and DP 1020 D5S FA.
| Communications | Modbus® Communication |
|---|---|
| Protections | Conf Protection 8 Under 2, Conf Protection 8 Under 1, Conf Protection 8 Over 2, Conf Protection 8 Over 1, Conf Protection 7 Under 2, Conf Protection 7 Under 1, Conf Protection 7 Over 2, Conf Protection 7 Over 1, Conf Protection 6 Under 2, Conf Protection 6 Under 1, Conf Protection 6 Over 2, Conf Protection 6 Over 1, Conf Protection 5 Under 2, Conf Protection 5 Under 1, Conf Protection 5 Over 2, Co |
| Digital inputs | one emergency stop contact input and 16 programmable contact inputs |
| Relay outputs | three dedicated relays for glow plugs, fuel solenoid, and starter solenoid; additional contacts available with CEM-2020 |
| Display | front panel LCD |
| Operating temperature | -40° to +70°C (-40° to +158°F) |
| Dimensions | 11.77" x 2.69 x 8.27" (299mm x 69mm x 210mm) |
| Analog inputs | Analog Inputs |
| Code | Meaning |
|---|---|
| 27 | Undervoltage |
| 27-1 | Trip Alarm |
| 27-1 | Trip Pre-Alarm |
| 27-2 | Trip Alarm |
| 27-2 | Trip Pre-Alarm |
| 3 | Engine kW Overload |
| 32 | Trip Alarm |
| 32 | Trip Pre-Alarm |
| 32 | Reverse Power |
| 32R | Reverse Power |
| 40 | Trip Alarm |
| 40 | Trip Pre-Alarm |
| 40Q | Loss of Excitation |
| 47 | Trip Alarm |
| 47 | Trip Pre-Alarm |
| 47 | Phase Imbalance |
| 47 | Phase Imbalance (Optional) |
| 47 | Voltage Imbalance |
| 51 | Generator Overcurrent |
| 51 | Overcurrent (Optional) |
| 51 | Timed Overcurrent |
| 51-1 | Trip Alarm |
| 51-1 | Trip Pre-Alarm |
| 51-2 | Trip Alarm |
| 51-2 | Trip Pre-Alarm |
| 51-3 | Trip Alarm |
| 51-3 | Trip Pre-Alarm |
| 59 | Overvoltage |
| 59-1 | Trip Alarm |
| 59-1 | Trip Pre-Alarm |
| 59-2 | Trip Alarm |
| 59-2 | Trip Pre-Alarm |
| 78 | Vector Shift Trip |
| 78 | Vector Shift |
| 78 | Vector Shift (Optional) |
| 78 Vector Shift and 81 ROCOF | Loss of Mains Protection |
| 81 | ROCOF (Rate of Change of Frequency) (Optional) |
| 81 ROCOF | Trip Pre-Alarm |
| 81O | Trip Alarm |
| 81O | Trip Pre-Alarm |
| 81O | Overfrequency |
| 81ROCOF | Rate of Change of Frequency |
| 81U | Trip Alarm |
| 81U | Trip Pre-Alarm |
| 81U | Underfrequency |
| Alarm Cooldown=4 | Status Only=0, Pre-Alarm=1, Alarm=2, Alarm Unload=3, Alarm Cooldown=4, Alarm Unload Cooldown=5 |
| Alarm Unload Cooldown=5 | Status Only=0, Pre-Alarm=1, Alarm=2, Alarm Unload=3, Alarm Cooldown=4, Alarm Unload Cooldown=5 |
| Alarm Unload=3 | Status Only=0, Pre-Alarm=1, Alarm=2, Alarm Unload=3, Alarm Cooldown=4, Alarm Unload Cooldown=5 |
| Alarm=2 | Status Only=0, Pre-Alarm=1, Alarm=2, Alarm Unload=3, Alarm Cooldown=4, Alarm Unload Cooldown=5 |
| Pre-Alarm=1 | Status Only=0, Pre-Alarm=1, Alarm=2, Alarm Unload=3, Alarm Cooldown=4, Alarm Unload Cooldown=5 |
| Status Only=0 | Status Only=0, Pre-Alarm=1, Alarm=2, Alarm Unload=3, Alarm Cooldown=4, Alarm Unload Cooldown=5 |
| Symptom |
|---|
| 3 kW Overload Thresholds |
| Low Oil Pressure (Alarms) |
| High Coolant Temperature (Alarms) |
| Maintenance Interval Timer (Alarms) |
| Low Coolant Level (Alarms) |
| Low Coolant Temperature (Alarms) |
| Overspeed (Alarms) |
| Battery Overvoltage (Alarms) |
| High Fuel Level (Alarms) |
| Overcrank (Alarms) |
| Weak Battery (Alarms) |
| Low Fuel Level (Alarms) |
| Engine Sender Unit Failure (Alarms) |
| Battery Charger Failure (Alarms) |
| Fuel Leak Detect (Alarms) |
| Fuel Leak/Fuel Sender Failure (Alarms) |
| Emergency Stop (Alarms) |
| Low Oil Pressure (Pre-Alarms) |
| High Coolant Temperature (Pre-Alarms) |
| Pre-Alarm Time Delays for Weak/Low Battery Voltage (Pre-Alarms) |
| Alarm Time Delay for Overspeed (Pre-Alarms) |
| Pre-Crank Delay (Pre-Alarms) |
| Continuous or Cycle Cranking Time Delay (Pre-Alarms) |
| LO LIM OILP |
| LOLOLIM OILP |
| CLNT LMT HI |
| CLNT LMT HIHI |
| CHG AIR LMT HI |
| L1L ECU VOLTS |
| L2L ECU VOLTS |
| U1L ECU VOLTS |
| U2l ECU VOLTS |
| INTCLR LMT HI |
| Shutdown will light a common alarm LED (Red) and the reason for the alarm will be displayed on the LCD. |
| Warning (pre-alarm) will flash the common alarm LED and the pre-alarm message will be displayed on the LCD. |
| Engine overspeed |
| High coolant temp |
| Loss of engine senders |
| Low fuel level |
| Low oil pressure |
| Active DTCs from the ECU |
| Coolant level |
| ECU communication failure |
| High battery voltage |
| High fuel level |
| Low battery voltage |
| Low coolant temperature |
| Maintenance time |
| Weak battery |
| ECU FAULT CODES |
| ENG RUNNING |
| CYL CUTOUT |
| ENG OPTIMIZED |
| PREHT NT RCHD |
| SPEC TORQUE |
| SPD DMD FL MD |
| CURR P DEGREE |
| LOAD GEN ON |
| PRIME PUMP ON |
| RUNUP SPD LO |
| IDLE SPD LO |
| CYL CUTOUT CD |
| RPM |
| DROOP % |
| ENG COOL TEMP |
| CHRG AIR TMP |
| INTRCOOLR TEMP |
| ENG OIL TEMP |
| FUEL TEMP |
| ECU TEMP |
| OIL PRESSURE |
| CHG AIR P |
| FUEL DELV P |
| FL RAIL P |
| CAMSHAFT RPM |
| IDLE RPM |
| ECU SHUTDOWN |
| TOTAL RUN TM |
| ECU SUPP VOLTS |
| INJCT DBR % |
| RATED RPM |
| INJCT QTY |
| RATED KW |
| RESRV PWR % |
| START SEQ |
| AL PWR AMP 1 |
| AL PWR AMP 2 |
| XSTR OUT AL |
| XSTR OUT STS |
| Status Only |
| Pre-Alarm |
| Alarm |
| Alarm Unload |
| Alarm Cooldown |
| Alarm Unload Cooldown |
| Latched Pre-Alarm |
| Battery Charger Fail |
| Low Coolant Level |
| Fuel Leak Detect |
Fault codes and symptom→remedy steps extracted from this controller’s service/owner documentation; verify against the official manual before servicing. Extracted directly from this controller's manual.
Used across brands: Dgc-2020, MQ Power, MTU, Tradewinds Power
Also fitted to: Dgc-2020 51BNBMEAH.