D-500-MK3-LITE is a next generation genset controller combining multi-functionality and wide communication capabilities together with a reliable and low-cost design. The same controller provides synchronization, load share, AMF, ATS, Remote Start, Engine Control and Remote Display Panel functionalities. The module comes ready for remote monitoring over GSM or Ethernet with plug-in communication modules.

Various plug-in modules provide unlimited expansion capabilities allowing to meet any special requirement. The unit complies and mostly exceeds world’s tightest safety, vibration and environmental standards for the industrial category. Software features are complete with easy firmware upgrade process through USB port. The Windows based PC software allows monitoring and programming through USB, RS-485, Ethernet and GPRS. The Rainbow Scada web monitoring service allows monitoring and control of an unlimited number of gensets through any web browser.

Product Description


• AMF unit

• ATS unit

• Remote start controller

• Manual start controller

• Engine controller

• Remote display panel


• USB Device

• J1939-CANBUS

• Geo-locating through GSM

• Internet Central Monitoring

• SMS message sending

• E-mail sending

• Free PC software: Rainbow Plus

• Modbus RTU (2400-57600baud)

• Modbus TCP/IP


• Diesel and gas genset support

• 400Hz operation support

• 400 event logs, full snapshot

• All parameters front paneleditable

• 3 level configuration password

• 128×64 graphical LCD display

• Downloadable languages

• Waveform display of V & I

• Harmonic analysis of V & I

• 16Amp MCB & GCB outputs

• 8 configurable digital inputs

• 6 configurable digital outputs

• 3 configurable analog inputs

• Both CANBUS-J1939 & MPU

• 3 configurable service alarms

• Multiple automatic exerciser

• Weekly operation schedule

• Dual mutual standby with equal aging of gensets

• Manual “speed fine adjust” onselected ECUs

• Automatic fuel pump control

• Disable protections feature

• Excess power protection

• Reverse power protection

• Overload IDMT protection

• Load shedding, dummy load

• Multiple load management

• Current unbalance protection

• Voltage unbalance protection

• Fuel filling & fuel theft alarm

• PLC functionality

• DPF regeneration functionality

• Battery back-up real time clock

• Idle speed control

• Battery charge run enabled

• Combat mode support

• Multiple nominal conditions

• Contactor & MCB drive

• 4 quadrant genset powercounters

• Mains power counters

• Fuel filling counter

• Fuel consumption counter

• Modem diagnostics display

• Configurable through USB, RS-485, Ethernet and GPRS

• Free configuration program

• Allows SMS controls

• Ready for central monitoring

• Mobile genset support

• Automatic GSM geo-location

• Easy USB firmware upgrade

• -40°C operation with optional display heater

• IP65 rating with optional gasket