Home | Automatic Mains Failure Units | D-500 Advanced Genset Controller


The D-500 is a next generation genset control unit combining multi-functionality and wide communication possibilities together with a reliable and low cost design. 

The unit complies and mostly exceeds world’s tightest safety, EMC, vibration and environmental standards for the industrial category.


Software features are complete with easy firmware upgrade through USB port. 

The Windows based PC software allows monitoring and programming through USB, RS-485, RS-232, Ethernet and GPRS.

The Rainbow Scada web service allows monitoring and control of an unlimited number of gensets from a single central location.

• AMF unit (uninterrupted transfer)

• ATS unit (uninterrupted transfer)

• Remote start controller

• Manual start controller

• Engine controller

• Remote display panel

• Harmonic analysis of V & I

• Internal battery (optional)

• Long term data record on flash

• Input & output extension

• Ethernet (10/100Mb)

• 4-band GPRS modem (optional)

• USB Host & USB Device

• RS-485 (2400-115200baud)

• RS-232 (2400-115200baud)

• Micro SD card slot

• J1939-CANBUS

• Geo-locating through GSM

• GPS support (USB & RS-232)

• Embedded web server

• Web monitoring & programming

• Internet Central Monitoring

• SMS message sending

• E-mail sending

• Free PC software: Rainbow Plus

• Modbus RTU & Modbus TCP/IP

•SNMP v1 v2c v3


Diesel and gas genset support

400Hz operation support

400 event logs, full snapshot

All parameters front panel editable

3 level configuration password

128x64 graphical LCD display

Downloadable languages

Waveform display of V & I

Harmonic analysis of V & I

Synchroscope & check synch

Allows closed transfers

16Amp MCB & GCB outputs

8 configurable digital inputs

Inputs expandable to 40

8 configurable digital outputs

Outputs expandable to 40

4 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” on selected 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 alarms

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 power counters

Mains power counters

Fuel filling counter

Fuel consumption counter

Modem & ethernet diagnostics

Configurable through USB, RS-485, Ethernet  and GPRS

Free configuration program

Allows SMS controls

Ready for central monitoring ethernet & GPRS

Mobile genset support

Automatic GSM geo-location

GPS connectivity (USB&RS232)

Dynamic DNS support

Easy USB firmware upgrade

IP65 rating with standard gasket


UL-CSA Certificate

CE EMC Certificate

Product Brochure

Brochure (français)

User Manual

User Manual (Russian)

User Manual (Spanish)

User Manual (Portuguese)

Product Presentation

Product Presentation (Français)

Modbus Application Document

Parameter Setup and Monitoring Software: Rainbow Plus

Rainbow Scada Remote Monitoring Software

USB Cable

Watertight Gasket

Screw Type Plastic Bracket

Spring Type Plastic Bracket

Output Extension Module (DKG-186)

Input Extension Module (DKG-188)

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