Power management and generator control

Hybrid Controllers PV COMPACT


All-in-one photovoltaics inverters control


The PV COMPACT is one controller of a complete range for Energy sources and power plant management: Generators, main, Photovoltaic, Batteries storage, Tie breakers. It controls photovoltaic inverters in grid-connected applications and/or one/several generators and/or batteries storage. The PV COMPACT offers flexibility and time saving thanks to its simple wiring and easy programming.

Hardware & Display

The  PV COMPACT is available in both switchboard panel mounted version with display, or core base mounted version and compatible with i4Gen touchscreen color display range.


The  PV COMPACT is configurable from its front panel display, from i4Gen HMI, or through the free i4Gen Suite PC software.

Control and Management


  • ModBus TCP Sunspec « Plug & Play » communication with all the inverters on the market with the ability to create and configure additional custom read and write frames.
  • Control of the max power KWc solar such a way as to keep a minimal power on the generator(s), while maintaining a fixed frequency (isochronous mode).
  • Control of the reactive power KVAR solar: either by imposing a configurable fixed cosphi, or by sharing KVARs between solar energy and other sources, while maintaining a fixed tension (iso-tension mode).
  • Manual and automatic control of the closing and opening of the PV generation relay. Immediate stop of the solar production in case of power return on the generator(s) (so as to keep the installation undervoltage).
  • Controls PV inverters in “Grid Following” mode, meaning the inverters do not manage the control of the voltage and frequency which are imposed by the additional source (Generator or Grid or Batteries).
  • 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 +/-10VDC with adjustable gain and offset.
  • Start/stop of the generator(s) depending on the solar energy produced and the desired power reserve.
  • Acquisition of the inverter’s electrical parameters via ModBus TCP SUNSPEC or via traditional current/voltage inputs (optional).
  • Non-essential load shedding management in case of overload or underfrequency.
  • 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.
  • Values and production curves of the different energy sources displayed on the i4Gen
  • 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.
  • Compatible and communicating with GENSYS COMPACT (generators), MASTER COMACT (network), BTB COMPACT (Tie-Breakers) and BAT COMPACT (battery inverters).
  • 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 Supervision with color touch screen i4Gen. (7, 10 or 15 inches)
    • Sending emails to events.
    • 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.
    • Use of the Zoho Assist app (PC, MAC, Smartphone).
    • Up to 10,000 generators.
    • Visualization - configuration - programming - remote power plant control.
    • Internet connection: Wan port or Wifi hotspot or 4G modem or Smartphone Access point.
  • 10 configurable maintenance cycles (on energy meter or on number of calendar days).
  • 3 passwords levels: user, technician, advanced technician.
  • Languages: English, French, Italian, Spanish in standard. Portuguese, Russian, German and other custom languages are available on request.
  • 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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