The ABB CMA125, also cataloged as the CMA125 Generator Card, operates as a dedicated hardware component for high-performance I/O control tasks within ABB Advant and Symphony control systems networks.
Hardware Specifications
Parameter
Specification
Model
CMA125
Brand
ABB
Origin
Sweden
Weight
Internal component baseline
Dimensions
Standard subrack configuration
Operating Temp
-20 to +70 deg C
Input Voltage
24 VDC
Communication Protocol
Modbus TCP/IP
Digital Inputs
16 channels
Digital Outputs
16 channels
Product Type
Generator Cards
Backplane Bus Communication Velocity and Network Determinism
The CMA125 orchestrates continuous real-time processing across 16 digital inputs and 16 digital outputs through an integrated Modbus TCP/IP communication stack. The module maintains stable execution intervals without dropping discrete signal frames under cyclic load conditions. It interfaces directly with the master system bus to optimize I/O density scaling, providing consistent firmware flash compatibility across concurrent ABB control topologies while preventing jitter inside deterministic execution rings.
