1. General Information

• Model: CMA131

• Part Number: 3DDE300411

• Product Type: Communication & Control Module

• Series: Synpol D / Industrial Automation

• Manufacturer: ABB

• Application: Process control, marine automation, power & energy, multi-protocol data gateway

2. Processor & Memory

• CPU: 32-bit industrial processor

• Flash Memory: 256 KB (program/data)

• SRAM: 128 KB (data retention)

• Backup: On-board lithium battery (RTC & memory)

3. Power Supply

• Input Voltage: 24 VDC (19.2–28.8 VDC, ±20%)

• Power Consumption: ≤ 10 W (typical 6 W)

• Isolation: 500 VDC (power-to-field)

• Redundancy: Dual 24 VDC input supported

4. I/O Configuration

• Digital Inputs (DI): 16 × 24 VDC, sink/source selectable

• Digital Outputs (DO): 16 × transistor, 24 VDC / 0.5 A each

• Analog Inputs (AI): 4 × (0–10 V / 4–20 mA), 16-bit resolution

• Analog Outputs (AO): 4 × (0–10 V / 4–20 mA), 12-bit resolution

• Counter Inputs: 2 channels, max 10 kHz

5. Communication Interfaces

• Ethernet: 1 × RJ45, 10/100 Mbps (Modbus TCP/IP, Profinet IO)

• Serial Ports:

  • 2 × RS-485 (Modbus RTU, master/slave, up to 115.2 kbps)

  • 2 × RS-232 (service/diagnostic, up to 115.2 kbps)

• Protocols: Modbus TCP/RTU, Profibus DP, EtherNet/IP, MMS

6. Environmental

• Operating Temperature: -40 °C to +70 °C

• Storage Temperature: -40 °C to +85 °C

• Humidity: 5%–95% RH, non-condensing

• Protection Class: IP20 (EN 60529)

• Isolation Voltage: 500 V AC (type test)

• MTBF: 150,000 hours (IEC 61709)

7. Mechanical

• Dimensions (W×H×D): 120 × 80 × 40 mm (4.7” × 3.1” × 1.6”)

• Weight: 0.6 kg (1.32 lbs)

• Mounting: DIN rail (EN 60715) or panel mount

• Housing: Industrial plastic, flame retardant UL94 V-0

8. Key Features

• Multi-protocol communication gateway (Ethernet + serial)

• Integrated 16DI/16DO/4AI/4AO for stand-alone control

• Real-time PID control (up to 4 loops)

• Data logging & alarm management

• LED status indicators (power, run, fault, comms)

• Certifications: CE, UL, RoHS, marine type approval