Interface Card | CMA126 | ABB

Technical Specifications

The CMA126 routes concurrent serial and network data packages across dedicated RS485 and Ethernet processing circuits. It synchronizes external physical line transitions with the internal system backplane without introducing communication frame degradation or cycle time variations. The internal configuration manages a fixed 5 W power consumption envelope while optimizing I/O density scaling. This hardware ensures full firmware flash compatibility with peripheral Synpol D hardware layers, maintaining strict determinism across all multi-node communication tasks.

Troubleshooting & Comissioning Checklist

Subnet Verification: Execute a network ping test from your PC to confirm the card resides on the correct subnet.
IP Assignment: Use standard ABB Automation Builder Tools or terminal software to assign the static IP address.
Drive Link Check: Confirm the card maps data channels correctly across up to 16 linked drives simultaneously.

Field Engineering Considerations

Voltage Stabilization: Provide a clean, regulated 24 V DC supply. Voltage spikes or excessive ripple on the DC link can degrade the interface card or induce data corruption.
Power Budgeting: Account for a nominal 5 W consumption per board. Ensure panel power supplies are sized adequately to avoid low-voltage faults during bulk system startups.
Enclosure Thermal Management: The card operates safely between -20°C and +60°C (+70°C maximum for certain variants). In enclosed generator terminal boxes or control desks prone to heat buildup, active ventilation or auxiliary cooling must be engineered to prevent localized overheating.

Technical FAQ

Q: What is the primary purpose of the ABB CMA126?
A:The CMA126 serves as a specialized interface and communication card used to execute seamless integration tasks across ABB Synpol D control and automation system platforms.

Q: Which specific part number identifies this card?
A: The official manufacturer part number for this module is 3DDE 300 406. It is also occasionally referenced by its circuit board identifier, CME126AE1PCB.

Q: Which hardware platform uses this card?
A:It is used exclusively with the legacy ABB Synpol D system. This system is widely utilized in marine vessels and industrial power plants for automatic generator synchronization, load sharing, and diesel control units.

Q: Do you supply brand-new, original parts or second-hand refurbished items?

A: Our stock consists of Original New items; all products undergo quality inspection to ensure they are fully functional.

Q: What guarantees are included with the shipment?
A: All items in stock are tested by engineers, packed in professional ESD packaging, and shipped via express logistics with a global delivery time of 24–48 hours.

Q: How long does global shipping take?
A: Stock items are typically dispatched within 24 hours. Shipments are sent via DHL or FedEx Express, taking approximately 3–5 days to reach Asia, 4–6 days to Europe and the Middle East, and usually arriving within a week in major industrial regions worldwide.

Q: If the model I need is not listed on the website, can I request a quote?
A: Yes. We hold over 200,000 SKUs of industrial spare parts in stock, and many long-tail models are not listed in full. You can send us an RFQ (Request for Quote) directly, and we will provide wholesale pricing promptly.

You May Also Like: