1. General Information

• Model: CMA120

• Part Number: 3DDE300400

• Product Type: Basic Controller Panel / HMI & Logic Controller

• Series: Synpol D (Marine & Industrial Automation)

• Manufacturer: ABB

• Origin: Sweden

• Application: Generator control, process control, marine & industrial automation

2. Processor & Memory

• CPU: 32-bit processor

• System Memory: 256 MB

• Program Memory: Flash-based, user programmable

3. Power Supply

• Input Voltage: 24 VDC (14.5–34 VDC range)

• Power Consumption: ≤ 30 W (typical)

• Isolation: 500 VDC (power-to-logic)

• Redundancy: Dual power input supported

4. I/O Configuration

• Digital Inputs: 16 × 24 VDC

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

• Analog Accuracy: ±0.1% of full scale

• Relay Outputs: 2 × SPST, 250 VAC / 3 A

• Counter Inputs: 2 channels (max 10 kHz)

5. Communication Interfaces

• Protocols: Profibus DP, Modbus RTU, RS-485

• Ports: 1 × RS-232 (service), 1 × Ethernet (optional)

• Data Rate: Up to 12 Mbps (Profibus DP)

6. Environmental

• Operating Temperature: -20 °C to +60 °C

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

• Humidity: 5%–95% RH, non-condensing

• Protection Class: IP20 (front panel)

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

7. Mechanical

• Dimensions (L×W×H): 287 × 240 × 200 mm (11.3” × 9.4” × 7.9”)

• Weight: 5.76 kg (12.7 lbs)

• Mounting: Panel mount (cutout: 250 × 210 mm)

• Display: LCD with backlight, 4 × 20 characters

• Keypad: 24 keys (membrane, industrial grade)

8. Key Features

• Integrated HMI + logic controller (all-in-one)

• Real-time generator monitoring & control

• Customizable alarm management (priority levels)

• Data logging & trending (on-board memory)

• Simple closed-loop control (PID for temperature/pressure/flow)