ABB CMA112 3DDE300013 Diesel Generator Dedicated Control System

I. Product Description
Model: CMA112
Material Part Number: 3DDE300013
System Series: ABB Synpol D DICON (Diesel Generator Special Control System)
Origin: Sweden / Germany
Positioning: Complete system human-machine operation + main control display panel, cannot operate independently without CMA120, CMA121, etc. baseboard modules

Hardware Specifications
Power Supply: DC24V, allowable ±20% voltage fluctuation, total system power consumption ≤ 5W
Dimensions: 152×152×76 mm (6×6×3 inches), weight approximately 0.7kg
Protection: Front panel IP54, suitable for humid and dusty environments in engine rooms and power stations
Operating Temperature Range: -20℃ ～ +60℃
Installation: Control cabinet embedded hole installation
Certifications: CE, applicable for ship auxiliary machinery / emergency generator standard

Panel Buttons and Display
LCD Liquid Crystal Display
Real-time cyclic display: Engine speed, oil pressure, cooling water temperature, battery voltage, generator voltage/frequency/power, operating hours, fault code, alarm record.
Special Function Buttons
START Green: Unit startup
STOP Red: Normal shutdown
EMERGENCY: Emergency shutdown
MODE, STEP, RESET: Interface switching, parameter page flipping, fault reset
Digital Keyboard 0~9
Used for parameter modification, system password login, setting protection thresholds
Status Indicators: Running, Fault, Alarm, Power

Core Control Monitoring Functions
1. Engine Monitoring
Speed, oil pressure, water temperature, fuel level, battery voltage, sensor break detection
2. Electrical Parameter Monitoring
Three-phase voltage, current, frequency, active/reactive power, cumulative power generation
3. Automatic Start/Stop Logic
Manual/Automatic mode switching
Power loss automatic startup, cooling shutdown upon power restoration
Scheduled startup, parallel unit coordinated control
4. Complete Fault Protection (fault latchable for historical record)
Over-speed, low speed, low oil pressure, high water temperature, over-voltage, undervoltage, overcurrent, undervoltage, battery undervoltage, emergency stop, sensor failure, overload protection

Communication Interfaces
CAN Bus: Internal networking of the same series CMA120/CMA131
RS485: Supports Modbus RTU, connects to upper-level PLC, remote monitoring system, ship automation platform
Supports remote parameter reading, remote startup/shutdown, fault upload