1. General Information

• Model: CMA136

• Part Number: 3DDE300416

• Product Type: Generator Relay Terminal Board / Communication & Monitoring Module

• Series: Synpol D / Advant OCS / 800xA (Marine & Power)

• Manufacturer: ABB

• Application: Generator control/protection, diesel–gen set monitoring, power plant automation, DCS/PLC signal interfacing

2. Power Supply

• Input Voltage: 24 VDC (±10%)

• Current Consumption: ~0.5 A @ 24 VDC (typical)

• Isolation: 1500 VAC (channel-to-power)

• Redundancy: Dual 24 VDC input supported

3. I/O Configuration

• Analog Inputs (AI): 32 channels, 16‑bit resolution

  • Signal types: Thermocouple (J/K/T/E/R/S/B/N), RTD (Pt100/Pt1000/Ni100/Cu10), mV, 4–20 mA, 0–10 V, potentiometer

  • Ranges: TC (‑200 °C to +1800 °C), RTD (‑200 °C to +800 °C), mV (‑10 to +10 V), mA (4–20 mA), V (0–10 V)

• Analog Outputs (AO): 4 channels (0–10 V / 4–20 mA), 12‑bit

• Digital Outputs (DO):

  • 8 × transistor (24 VDC / 0.5 A)

  • 16 × relay (SPST, 250 VAC / 5 A)

4. Communication Interfaces

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

• Serial: 1 × RS‑485 (Modbus RTU, master/slave)

• Baud Rates: 9.6k / 19.2k / 38.4k / 57.6k / 115.2 kbps

• Protocols: Modbus RTU, Modbus TCP/IP, Profibus DP (optional)

5. Environmental

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

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

• Humidity: 5%–95% RH, non‑condensing

• Protection Class: IP20 (EN 60529)

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

6. Mechanical

• Dimensions (W×H×D): 230 × 160 × 60 mm (9.1” × 6.3” × 2.4”)

• Weight: 1.2 kg (2.65 lbs)

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

• Housing: Flame‑retardant industrial plastic (UL94 V‑0)

7. Key Features

• 32‑channel universal analog input (TC/RTD/mA/V)

• 4 analog outputs + 24 digital outputs (transistor + relay)

• 1500 VAC isolation for harsh power‑plant environments

• Dual‑protocol communication (Modbus TCP/RTU)

• On‑board diagnostics and LED status indicators

• Designed for generator protection and parallel‑operation control