CONTROLS

display | Master 4

The Display Master4 is a microprocessor-based engine/generator controller for monitoring and control of diesel or gas powered engine-generator sets. It provides a complete array of operational, protection, automation and display features for automatically controlling and monitoring an engine/generator set. All standard and optional features of the Display Master4 are configurable from the front panel keypad and LCD display and are security password protected. The 2 row 16 character LCD display screen prompts are in plain English, providing a user-friendly operator interface. The solid-state microprocessor design provides high accuracy for all voltage monitoring, current monitoring and timing functions as well as providing many standard features which are normally only available with expensive add-on equipment.

Features

CONTROLLER

  • Rugged solid state microprocessor design

  • 16 character, 2 line backlit LCD display

  • Easy keypad programming of all set points, password protected for security

  • Remote start/stop capability

  • System lock feature disables starting of generator for maintainance purposes (requires password to unlock)

CONTROL KEYPAD

  • Accurate digital readout of AC volts, amps, phase, frequency, kW, kVA, power factor, battery volts, runtime hours, oil pressure and water temperature

  • Indicator lights for normal operation, pre-alarm and fault conditions

  • Indicator light for remote start signal

  • All shutdowns display on screen until system is reset

CONTROL BOARD

  • Audible alarm for shutdowns and/or pre-alarms

  • 6 user configurable dry contact relay outputs (plug in sockets for readily available relays)

  • 8 user configurable digital inputs

  • Plug-in terminal connectors for easy curcuit board replacement

PRE ALARMS

  • Low engine temp

  • Over/Under speed

  • High Engine temp

  • Mag pickup failure

  • Low oil pressure

  • Unit NOT IN AUTO

  • Low oil level

  • Fuel/Crank Fuse

  • High intake air temperature

  • Low fuel level

  • Oil pressure sender fail

  • Low coolant level

  • High/Low battery volts

  • Charger failure

  • Over/under voltage

  • Over-current

  • Fuel tank leak

  • Oil/temp sender fail

  • High/Low gas pressure

  • High room temp

  • Relay failures

  • Service engine

  • High room temperature

  • Comms failure

SHUTDOWNS

  • High engine temp

  • Over speed

  • Low oil pressure

  • Over crank

  • Low fuel level

  • Under speed

  • Low coolant level

  • No speed signal

  • High oil temp

  • Emergency stop

  • Low battery

  • Weak battery

  • Fuel/Crank fuse

  • Fuel/Crank relay failure

  • Under/Over voltage

  • Over-current

  • High exhaust temp

  • High intake air temp

  • Shutter vent failed

  • Ground fault

  • Low gas pressure

  • High gas pressure 

SPECIFICATIONS

EnclosurePowder coated 16 ga steel
DC Power Supply12 or 24VDC (8 to 40VDC)
AC Voltage InputsRated (LN-N/LN-LN): 346/600Vac
Configurable: 120/240/480/600Vac
ConfigurationsWye, Delta, Offset Delta
Frequency50/60Hz (10 to 90Hz)
High Impedance InputsAC line input resistance: 3Mohm
Current Transformer InputsRated (per line) 5A
Digital InputsContact to Ground (12V max)
Relay Outputs16A 277Vac/30Vdc
30A 277Vac/30Vdc
Analog Inputs7V bias, 12 bit resolution
Ambient temperature (operating)-20° to 85°C
Ambient temperature (storage)-40° to 95°C
Ambient humidity90% non-condensing
Dimensions15lbs
Listings / ApprovalsCSA 22.2, UL508, UL2200

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