Murphy Generator Control System MGC2000 - Manual (Page 2)

Power supply:
• Continuous voltage range: 8-35 VDC
• Brown out voltage < 5 VDC for 2 secs (recovery to 8V)
• Blackout voltage: 0V for 50mS (from 10V, recovery to 5V)
• Overvoltage withstand: 50 VDC for 5 seconds (to SAEJ1810 load
dump immunity
• Reverse voltage withstand: 100 VDC continuous
Current consumption (standby): 50mA
Current consumption (max): 500mA (plus output loads)
DC Inputs:
• Pressure, coolant temperature
• Closed to negative DC (±3V) on fault auxiliary and charger faults
• Remote start positive open from positive DC to start
• Remote start negative close to negative DC (±3V) to start.
AC Inputs:
• Magnetic pickup: 3 – 60 VAC, 50Hz – 10 kHz.
• Generator AC: 600 VAC max (L-L or L-N), 50/60 Hz.
Outputs:
• Fuel: positive DC (FET switched), 5A max.
• Crank, preheat: positive DC (FET switched), 2A max.
• Common alarm, fault lockout negative DC (semiconductor), 300mA max.
• Generator Hz. meter: 0 – 1 mADC (@ 45–65Hz).
Physical:
• Operating temperature: -10 to +65 o C
• Relative humidity: 95% @ 60 o C
• Environmental protection: AS3000U front: IP65, NEMA4
Vibration: ISO 88528 pt.9, & 3 axis 3g
Standard terminal blocks inside the MGC2000 enclosure. Booted type
grommets for a tight seal are available.
MGC-02029B page 2 of 4
16-80 in. (427 mm)
16-80 in. (427 mm)
9.25 in. (235 mm)
7.94 in.
(202 mm)
6.81 in.
(173 mm)
kPa
PSI
50 75
100 0
0
25
350
700 kPa
PSI
50 75
100 0
0
25
350
700
QUARTZ
HOURS kPa
PSI
50 75
100 0
0
25
350
700
OFF/
STOP
REMOTE START
DEMAND OVERCRANK
ENGINE RUNNING LOW OIL
PRESSURE
BATTERY
CHARGER FAIL
A-C
VOLTS
A-C
AMPERES
HERTZ
HIGH ENGINE
TEMPERATURE
PLANT FAIL/
AUXILIARY INPUT OVERSPEED
MANUAL
START
AUTO
START OFF
3 1
Hinges for front-opening door option shown in shaded areas.
Mounting Pattern
Front View Side View
Bottom View
6.36 in.
(162 mm)
9.25 in.
(235 mm)
Standard Enclosure Dimensions (all Models)
ASM3000 Controller Spec ifications
WARNING: Do not bundle AC and DC wiring together. It is required
to use separate conduit runs and keep apart by at least 2 inches.