Overview
The MRS11 is a microprocessor-based generator set controller that provides automatic engine start/stop sequencing, AC power monitoring, and alarm protection for single diesel or gas generator units. It integrates digital measurement, programmable logic, and communication interfaces into a single panel-mounted module.
Key Features
- Microprocessor Control — Digital MCU-based module with precise engine start/stop sequencing and generator protection for single diesel/gas generator sets
- True RMS AC Monitoring — Generator and mains voltage, current, frequency, kW, kVA, PF measurement with programmable CT ratios and alarm thresholds
- CANbus J1939 Engine Integration — Direct communication with electronic engine ECUs for parameter display and diagnostic trouble code reading
- Multi-Mode Operation — Manual, automatic, and test modes with configurable transfer sequences and programmable crank/rest cycles
- Flexible I/O — All digital inputs and relay outputs user-configurable for custom applications including pre-heat, ventilation, annunciation, and remote signaling
- Event History — Onboard real-time clock with event log for commissioning, troubleshooting, and maintenance tracking
Technical Specifications
| Parameter | Value |
|---|---|
| Model | MRS11 |
| Type | Digital Generator Controller |
| DC Supply | 8-36V DC |
| AC Voltage Range | 100-415V AC, 1/3Ph, 50/60Hz |
| Communication | RS485, MODBUS-RTU |
| Protection Functions | Over/Under Volt, Over/Under Freq, Over Speed, Over Current, Low Oil Press, High Water Temp |
| Display | LED Indicators + 2×16 LCD |
| Frequency | 50/60 Hz Selectable |
Compatibility
MRS11 adds LCD display to MRS10 for 5-25kW generators. Entry-level LCD auto-start module. Panel cutout: 92×92mm. Compatible with: MRS11, MRS10, InteliLite MRS series.
Why Choose ZenixPower
- Full-Feature AMF — Automatic mains failure detection, engine start/stop sequencing, and load transfer control
- Multi-Protocol Communication — RS485 Modbus RTU, CAN J1939, and SMS alarm notification for remote monitoring
- Wide DC Supply — Operates from 8V to 35V DC, tolerating cranking voltage drop without reset
- Heavy-Duty Relays — 16A/250VAC rated outputs for fuel, start, and auxiliary control with replaceable relays
- Universal Compatibility — Works with magnetic pickup, alternator sensing, and CAN ECU engine types
- Pre-Configured Files — SmartGen/DSE/ComAp default configurations available to reduce commissioning time
Compatible Generators Small diesel/gas generator sets 3-50kW requiring only auto-start and basic protection.
Competitors Entry-level auto-start controllers from each major brand with identical functional positioning, priced $30-60.
Specification Comparison
| Parameter | DSE6110 | MRS11 | DKG105 |
|---|---|---|---|
| Brand | Deep Sea (UK) | ComAp (Czech) | Datakom (Turkey) |
| Function | Auto Start | Auto Start | Auto Start |
| AMF Mains Monitoring | No | No | No |
| Display | LED indicators | 2×16 LCD | LED + 3-digit |
| CANbus | J1939 | No | No |
| Magnetic Pickup | Yes | Yes | Yes |
| Relay Outputs | 4 | 3 | 3 |
| Price | $40-65 | $30-50 | $25-45 |
Selection Advice
Entry-level auto-start controllers are functionally simple. Key decision factors: CANbus requirement, panel cutout dimensions, and brand preference. The DSE6110 is the only entry model with CANbus J1939 — essential if the generator has an electronic ECU engine. The MRS11 includes an LCD for parameter display, suitable for installations requiring basic information visibility. The DKG105 is the lowest-priced option for the most budget-sensitive replacement needs.
