9469200994 Rev — 23
DGC-2020ES Specifications
Oil Pressure Sensing
Resistance Range ............................ 5 to 250 Ω nominal
Terminals.......................................... 52, 2 (sender common)
Accuracy........................................... ±1.4 Ω or ±2.3% of actual resistance
Engine Speed Sensing
Magnetic Pickup
Voltage Range ................................. 3 to 35 V peak (6 to 70 V peak-peak)
Frequency Range ............................. 32 to 10,000 Hz
Terminals.......................................... 32 (+), 31 (–)
Generator Voltage
Range ............................................... 12 to 576 V rms
Terminals.......................................... 45 (A-phase)
43 (B-phase)
41 (C-phase)
Output Contacts
Start, Run, and Prestart Relays
Rating ............................................... 5 A, 28 Vdc—general purpose, 1.2 A pilot duty, the load must be in
parallel with a diode rated at least 3 times the coil current and 3
times the coil voltage.
Terminals
START .............................................. 19, 20
RUN .................................................. 21, 22
PRE .................................................. 23, 24
Programmable Relays (4)
Rating ............................................... 2 A, 28 Vdc—general purpose, 1.2 A pilot duty, the load must be in
parallel with a diode rated at least 3 times the coil current and 3
times the coil voltage.
Terminals
Output 1............................................ 26, 25 (common)
Output 2............................................ 27, 25 (common)
Output 3............................................ 29, 28 (common)
Output 4............................................ 30, 28 (common)
The programmable relays share common terminals: terminal 25 is used for outputs 1 and 2, terminal 28 is
used for outputs 3 and 4.
Metering
Generator and Bus Voltage (rms)
Metering Range ................................ 0 to 576 Vac (direct measurement)
577 to 99,999 Vac (through VT using VT ratio setting)
VT Ratio Range ................................ 1:1 to 125:1 in primary increments of 1
Accuracy* ......................................... ±3.0% of programmed rated voltage or ±3 Vac
Display Resolution ........................... 1 Vac
* Voltage metering indicates 0 V when generator voltage is below 2% of the full-scale rating.