Power management and generator control



All-in-one generator controller & mains paralleling unit in CORE version


The GENSYS COMPACT MAINS CORE is used on standalone generator in mains paralleling application. It offers flexibility and time saving thanks to its simple wiring, and easy programming. This controller is one controller of a complete range for Energy sources and power plant management: Generators, Mains, Photovoltaic, Batteries storage, Tie breakers.
Hardware & Display
The GENSYS COMPACT MAINS is available in both switchboard panel mounted version with display, or core base mounted version. And compatible with i4GEN touchscreen color display.
The GENSYS COMPACT MAINS CORE is configurable from i4GEN remote touchscreen, or through the free i4Gen Suite software.
Control and Management
  • Compatible with 3 or 4 wires three-phase, or two-phase or single phase systems.
  • Automatic changeover switching.
  • No Break changeover.
  • Import/export power (Permanent Paralleling)
  • Complete engine control of diesel, gasoline or gas gensets (preheating, pre-glow, ignition, start/stop…).
  • 9 x Digital inputs: NO or NC to ground, 3 x Analog inputs: Resistive (0...500Ω) or 0...20mA,  6 x Digital outputs: NE or ND. 1.8A.
  • 31 calibration points for analogue inputs (resistive or 0-20 mA).
  • Expansion via CANopen: 32 x Digital inputs, 16 x Analog inputs, 32 x Digital outputs.
  • 2 x Relay outputs (breaker control): 5A, 240VAC.
  • 2 x Analog outputs: Speed/Frequency and Voltage control: +/-10VDC isolated output with adjustable span and offset.
  • Magnetic pick up input: Frequency 50Hz...10kHz, Voltage 0.5...40VAC.
  • Alternative or consecutive multiple starter management.
  • Warmup & Cool down at idle or nominal speed.
  • Remote start and test mode available ON/OFF load.
  • Mains failure detection and No Break changeover with adjustable load transfer time and paralleling time.
  • Possibility of Operator mains transfer validation (G59).
  • Mains permanent paralleling in Fix load and PF control. Isochronous & Iso-voltage or Droop mode.
  • New optimized PID loop with exceptional performance in synchronization, KW and KVAR control.
  • Synchronization: Frequency, Phase and Voltage synchronization (Synch display available on screen). Synch check (ANSI 25) + Phase sequence protection. Phase shift between 0 and 360 degrees could be added on the synch check relay function (for example to compensate DYN11 MT/BT transformers).
  • PATENTED SYSTEM, Easy Calib: Automatic control and automatic adjustment of analogue outputs speed and voltage
    • Control of sufficient stability on the speed and voltage primary loops with alarm if applicable.
    • Control of a correction on speed and voltage with alarm if applicable.
    • Auto setting of nominal frequency, correct direction, and appropriate amplitude.
    • Auto setting of nominal voltage, correct direction, and appropriate amplitude.
    • Alarms information if the appropriate amplitude for speed or voltage is not reached.
  • Override mode (protections inhibition + dedicated hour meter) following NFE 37-312 certification.
  • Non-essential load trip on overload or overfrequency.
  • J1939:
    • Compatible with all J1939 electronic engines. 
    • Engine ECU address automatic detection.
    • « Sniffer/Spy » function to analyse the CAN frames.
    • Start/Stop control, speed, 50/60Hz selection.
    • 10 « custom » frames can be configured in writing and reading.
    • ECU support TIER 4 Final and Stage 5 with DPF and SCR management.
  • Record of 500 events/alarms/faults with timestamps. Displayed on controller screen and i4Gen with advanced filter.
  • 1350 logged events with timestamp and real-time value available, non volatile memory. Available on uploaded file. 
  • Master/Slave automatic redundancy.
  • Alternative selection, Drag and Drop system: 16 parameters can switch between 2 values.
  • Scheduler: daily, weekly, monthly. 10 configurables events.
  • Easyflex®, Drag and Drop system: 50 programming lines.
    • ​​New Debug mode displaying in real time the status or value of all variables in the programming lines.
  • Easy connect: This function permit to quickly switch the connection between controllers.
    • Automatically detects CRE TECHNOLOGY controllers on an Ethernet network.
    • It allows to automatically configure CRE TECHNOLOGY controllers IP address to be able to access them with the current network configuration. 
  • Circuit breakers management:
    • Allows the control of 1 changeover or 2 separate breakers.
    • The breakers positions feedback could be connected or not.
    • Adjustable pulses or latched contact for breaker closing.
    • Adjustable pulses or latched contact for breaker opening.
    • MN/MX coil management.
    • Alarm management for closing failure, opening failure, unexpected closure, unexpected opening.
  • New Modbus TCP Slave/Master Communication Port.
    • Modbus TCP Slave: All data are accessible by ModBus TCP locally or remotely (web, GPRS).
    • New Modbus TCP Master: possibility to create and configure customized frames.
  • 3 isolated com ports are available:
    • 1 CANbus: J1939 electronic engine and I/O extensions.
    • 1 CANbus CRE protocol for communication between all COMPACT controllers.
    • Ethernet: PC communication/ModBus TCP.
  • Remote Super vision with color touch screen i4Gen. (7, 10 or 15 inches)
    • Internet connection: Wan port or Wifi hotspot or 4G modem or Smartphone Access point.
    • Visualization - configuration - programming - remote power plant control.
    • Up to 10,000 power plant with a single Zoho Assist account (Zoho Assist PC, MAC, Smartphone application).
    • Use of the Zoho Assist app (PC, MAC, Smartphone).
    • 1 single I4Gen can monitor the entire power plant.
    • New Monitoring and control of the complete power plant (generators, mains, photovoltaic, batteries storage,..) through a single line diagram generated automatically.
    • Sending emails to events.
  • Battery Boost management.
  • Configurable maintenance cycle.
  • Electrical and mechanical protections.
  • 3 password levels: end user, technician, advanced technician.
  • Languages: English, French, Italian, Spanish in standard. Portuguese, Russian, German and other custom languages are available on request.
  • Automatic clock synchronization by CANbus.
  • Automatic firmware update: When module is connected to i4Gen Suite PC software, you will automatically be asked for a firmware update to the latest version if applicable.


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