ABB CMA198/A System 800xA Synpol D Modules
Manufacturer: ABB
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Part Number: CMA198/A
Condition：New with Original Package
Product Type: Synpol D Modules
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB CMA198/A Synpol D Module
The ABB CMA198/A, also cataloged as the CMA198/A Synpol D Module, operates as a dedicated hardware component for high-density I/O processing and logic execution within System 800xA platforms. Powered by an onboard 32-bit ARM Cortex-M7 processor, the unit processes 64 digital inputs and 64 digital outputs to maintain real-time signal control. It interfaces directly with Synpol D controllers via integrated Ethernet, RS-485, and CAN communication channels, executing logic compiled in IEC 61131-3 programming languages across variable input power configurations.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CMA198/A |
| Brand | ABB |
| Origin | Germany / USA |
| Weight | 0.3-0.6 kg |
| Dimensions | 90 mm x 70 mm x 50 mm |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | Up to 10 A output current load |
| Processor | 32-bit ARM Cortex-M7 |
| Memory | 512 KB RAM, 4 MB Flash |
| Digital I/O Channels | 64 Inputs, 64 Outputs |
| Input Voltage | 100-240 VAC / 600 VAC / 24 VDC |
| Output Voltage | 24 VDC / 0-10 VDC |
| Output Current | Up to 10 A / 0-20 mA |
| Communication Interfaces | Ethernet, RS-485, CAN |
| Protocols Supported | Modbus RTU, COMLI |
| Protection Class | IP20 |
Backplane Bus Communication Velocity and Deterministic Networks
The module leverages its 32-bit ARM Cortex-M7 architecture to ensure high-speed processing across backplane bus interfaces and external deterministic networks. By offloading 128 total digital I/O processing loops from the primary CPU, the hardware maintains low processing latencies during rapid state changes. Onboard bus drivers optimize signal throughput across EtherNet/IP and Profinet physical layers, maintaining clock synchronization and firmware flash compatibility across System 800xA network drops.
Frequently Asked Questions
Q: How does the module execute deterministic communication over RS-485 and CAN interfaces?
A: The onboard 32-bit ARM Cortex-M7 processor dedicatedly manages physical layer driver timing, processing Modbus RTU and COMLI protocols directly to prevent cycle time jitter on the control bus.
Q: What mounting precautions must be observed regarding power dissipation at maximum 10 A output loads?
A: When operating near the upper 10 A current load boundary, maintain vertical orientation on the DIN rail to utilize passive convection airflow through the IP20 chassis vents across the -20 to +60 deg C operating range.
Q: Can user logic programmed in IEC 61131-3 languages be flashed directly to onboard memory?
A: Logic compiled in Structured Text (ST), Ladder Diagram (LD), or Function Block Diagram (FBD) downloads into the module's 4 MB Flash memory, utilizing the 512 KB RAM for real-time dynamic variable processing.
Field Installation Guidelines
Mount the module on a standard 35 mm DIN rail inside an enclosure rated IP54 or higher to meet field environment safety standards. Snap the rear panel locking clip firmly onto the rail section to prevent mechanical shift during vibration. Maintain a minimum clearance of 50 mm above and below the module housing to enable unrestricted heat dissipation.
Connect incoming power wires to the primary terminals based on the specified operating voltage option (100-240 VAC, 600 VAC, or 24 VDC). Route input/output signal wiring away from high-voltage motor feeds to mitigate noise coupling. Terminate all RS-485 and CAN communication shield conductors at a single point functional earth ground bar using low-impedance ground straps.