ABB CMA131B Control Interface Module

The CMA131B is a rack-mounted control interface module belonging to ABB Synpol D series, widely applied in marine propulsion systems, turbomachinery and industrial generator control systems. It serves as a critical signal conversion and relay interface unit between the main controller and field auxiliary equipment. The module integrates multiple built-in power relays, screw terminal blocks and dedicated D-Sub connectors, realizing transmission of discrete control signals, status feedback and safety interlock commands.

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Description

CMA131B ABB Synpol D Control Interface Module
Brand: ABB
Model: CMA131B, Alternative Part No: 3DDE300411
Product Name: Synpol D Control Interface Module
Country of Origin: Sweden
HS Code: 8537101190
Overall dimension: 260mm × 130mm × 80mm
Net weight: 1.30 kg

CMA 131 B

CMA 131 B

Technical Specifications & Features
Operating temperature range: -10°C ~ +55°C
Storage temperature range: -40°C ~ +85°C
Humidity condition: 5% to 95% non-condensing
Rated operating voltage: 380–480 VAC
Hardware interface configuration: D-Sub communication connector, multi-channel screw terminal blocks, multiple built-in pluggable relays
Signal type: Digital control input signal; relay contact output signal
Core characteristics: Integrated multi-channel relay output circuits; robust locking housing suitable for cabinet mounting; conformal coated PCB for moisture and dust resistance; high anti-interference performance adapting to marine and power plant electromagnetic environment; visible circuit layout for convenient troubleshooting; built-in surge suppression components to protect internal circuits from transient voltage spikes; complies with CE industrial safety standards
Installation form: Standard plug-in rack module installed inside Synpol D control cabinet
Main function: Discrete signal routing, control command relay output, equipment status signal collection, safety interlock logic execution for marine propulsion and generator control systems
Application scenarios: Vessel main engine control systems, industrial gas turbine and generator auxiliary control, power plant automation equipment maintenance, Synpol D control system spare replacement

CMA 131 B

CMA 131 B

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