ABB CMA135 3DDE300415 Diesel Start-Stop Automatic Control Module

Description

Technical Specifications

Core Control Parameters

• Control Function: Automatic diesel engine start/stop; speed regulation; load management; safety shutdown
• Engine Compatibility: All standard industrial diesel engines (4-stroke, turbocharged, naturally aspirated)
• Start Logic: Programmable start conditions (remote signal, pressure/level thresholds, power failure, timer)
• Stop Logic: Programmable stop conditions (load drop, timer expiration, fault detection, manual command)
• Protection Functions: Over-speed, under-speed, over-temperature, low oil pressure, high coolant temperature, over-current, over-voltage, under-voltage, emergency stop

Electrical & Power Specifications

• Supply Voltage: 24 V DC (-15%, +20%)
• Power Consumption: Typical 3 W at 24 V DC
• Input Signals: Digital inputs (12–24 V DC); analog inputs (0–10 V, 4–20 mA) for engine sensors
• Output Signals: Relay outputs (30 V DC / 5 A); analog outputs (0–10 V, 4–20 mA) for actuators and governors
• Isolation: Full galvanic isolation between input/output circuits and power supply
• Reverse Polarity Protection: Integrated protection against incorrect power connection

Communication Interfaces

• Primary Protocol: Modbus RTU (RS-485)
• Secondary Protocols: PROFIBUS DP, RS-232 (optional)
• Data Exchange: Real-time engine parameters, status, alarms, and control commands
• Baud Rate: 9.6 kbps to 115.2 kbps (Modbus RTU)

Physical & Environmental Specifications

• Dimensions: 55 mm (W) × 75 mm (H) × 33 mm (D)
• Weight: 0.68 kg
• Mounting: 35 mm DIN rail (EN 50022) or direct panel mounting
• Protection Class: IP20 (cabinet-mounted)
• Operating Temperature: -25°C to +55°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5%–95% non-condensing
• Vibration/Shock Resistance: Compliant with IEC 61131-2 industrial standards
• Pollution Degree: 2 (IEC 61131-2)

Certifications & Compliance

• Safety Certifications: CE, UL, CSA
• EMC Compliance: IEC 61000-6-2 (immunity), IEC 61000-6-4 (emission)
• RoHS/WEEE: EU RoHS 2011/65/EU; WEEE Directive 2012/19/EU compliant

Functional Features

• Intelligent Start-Stop Control: Executes automated engine start/stop sequences based on configurable parameters (load demand, pressure, level, timer, or remote signals) to minimize idling and save fuel.
• Comprehensive Engine Protection: Monitors critical engine parameters and initiates safe shutdowns for over-speed, under-speed, high temperature, low oil pressure, and electrical faults to prevent engine damage.
• Real-Time Monitoring & Diagnostics: Provides continuous tracking of engine speed, temperature, oil pressure, fuel level, and operating hours; logs alarms and fault codes for predictive maintenance.
• Flexible Communication: Integrates Modbus RTU (RS-485) and optional PROFIBUS DP for seamless data exchange with PLCs, DCS, SCADA, and remote monitoring systems.
• Compact & Robust Design: Small form factor for space-constrained installations; industrial-grade construction for reliable operation in harsh environments.
• User-Friendly Configuration: Simple parameter setup via front-panel DIP switches or software tools; no complex programming required for basic operation.
• Hot-Swappable Capability: Allows module replacement during system operation to minimize downtime in critical applications.
• Wide Compatibility: Works with all major industrial diesel engine brands and integrates seamlessly with ABB Synpol D and other control platforms.
• Reliable Relay Outputs: High-performance relay outputs ensure stable control of starter motors, fuel solenoids, and auxiliary systems under all operating conditions.
• Scalable Integration: Supports multiple CMA135 modules in a single system for controlling distributed engine-driven equipment across large facilities.

Application Scenarios

• Standby & Prime Power Generation: Automatic control of diesel generators for backup power in data centers, hospitals, industrial plants, and commercial buildings; ensures fast start on power failure and efficient shutdown when grid power is restored.
• Water & Wastewater Management: Controls diesel-powered pumps for irrigation, flood control, and wastewater treatment; starts/stops based on water level, pressure, or flow demand.
• Oil & Gas Industry: Manages diesel engines for compressors, wellhead pumps, and offshore equipment; operates in remote, hazardous locations with reliable, autonomous control.
• Construction & Mining: Controls heavy machinery, portable generators, and material handling equipment; optimizes fuel use and reduces emissions on job sites.
• Marine & Offshore: Engine control for marine generators, propulsion systems, and auxiliary equipment; complies with marine environmental and safety standards.
• Agriculture: Powers irrigation pumps, grain dryers, and farm equipment; provides automated, unattended operation for remote agricultural operations.
• Telecommunications: Backup power control for cell towers and remote communication sites; ensures uninterrupted power supply in areas with unreliable grid connectivity.
• Municipal Services: Controls diesel engines for street lighting generators, sewage lift stations, and emergency response equipment; supports reliable public infrastructure operation.
• Industrial Manufacturing: Drives auxiliary equipment such as compressors, hydraulic power units, and emergency systems in factories; integrates with plant automation networks for centralized control.