Communication Interface Module ABB 3DDE300407 CMA127
Manufacturer: ABB
-
Part Number: CMA127 3DDE300407
Condition：New with Original Package
Product Type: Communication Interface Modules
-
Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB CMA127 Communication Interface Module
The ABB CMA127, also cataloged as the 3DDE300407 Communication Interface Module, operates as a dedicated hardware component for facilitating high-speed data exchange between AC 800M controllers and external subsystems within System 800xA network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CMA127 (3DDE300407) |
| Brand | ABB |
| Origin | China |
| Weight | 0.3 kg |
| Dimensions | 127 x 35 x 185 mm |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | 5 W |
| Communication Ports | 2 x Ethernet (10/100 Mbps) |
| Isolation | Optical isolation (Bus to Port) |
Industrial Control and Firmware Compatibility
The CMA127 interfaces with the AC 800M backplane to provide deterministic data routing for fieldbus and Ethernet-based communication protocols. Firmware flash compatibility is strictly dependent on the System 800xA version and the associated hardware library loaded into the Control Builder. Users must perform an electronic keying validation upon installation to ensure the backplane bus communication velocity aligns with the controller's scan cycle and secondary subsystem requirements.
Frequently Asked Questions
Q: Does the CMA127 support redundant communication topologies?
A: Yes, the module supports dual-port redundancy, allowing for seamless failover between independent Ethernet paths when configured via the controller software.
Q: Can the module be replaced without disrupting the primary controller scan?
A: While the module is designed for standard industrial chassis environments, removal and insertion under power (RIUP) should only be executed after verifying that the secondary network link has successfully assumed the primary communication load.
Field Installation Guidelines
- Mounting: Ensure the module is securely latched into the designated AC 800M controller I/O base. Maintain the specified vertical clearance of 50 mm to prevent heat accumulation around the communication processing circuitry.
- Shielding and Grounding: Use shielded Category 5e or higher Ethernet cabling for all network ports to mitigate electromagnetic interference. Terminate cable shields to a common equipotential bonding point in the cabinet to reduce ground loops.
- Network Integrity: Configure redundant ports with separate physical routes to avoid single points of failure. Verify link status LEDs confirm physical layer connectivity prior to initiating software-level synchronization.
- Environmental Limits: Ensure the ambient temperature stays below 55 deg C. If installing in high-vibration areas, verify that the module retains firm contact with the backplane connector pins.