Description
1. At-A-Glance Executive Brief
- Model: CI867AK01
- Brand: ABB
- Part Type: Communication Interface Module
- Lifecycle status: Active / Maintained
- Weight: 0.28 kg
- System compatibility: ABB AC 800M Controller / S800 I/O
2. Technical Introduction
Communication bottlenecks between the DCS controller and third-party EtherNet/IP field devices often cripple high-speed control loops, turning minor protocol mismatches into persistent system faults. The ABB CI867AK01 acts as the dedicated gateway within the AC 800M rack, offloading Ethernet/IP traffic management from the main CPU to ensure deterministic I/O updates and reliable plant-wide data exchange. By integrating directly into the controller backplane, this module maintains high-speed access to distributed network nodes while adhering to established DCS safety and redundancy protocols.
- Best Suited For:
- Integrating EtherNet/IP-compliant variable frequency drives.
- Expanding AC 800M node capacity in brownfield upgrades.
- Standardizing communication across multi-vendor PLC environments.
3. Core Technical Specifications
| Parameter | Value |
| Interface Type | EtherNet/IP Adapter / Scanner |
| Ethernet Port | 1 x RJ45 (10/100 Mbps) |
| Mounting | CEX-bus / S800 I/O Rack |
| Power Consumption | 5V DC (via CEX-bus) |
| Max EtherNet/IP Nodes | 70 nodes |
| LED Indicators | Run, Error, Link, Activity |
| Operating Temperature | +5°C to +55°C |
4. Field Engineer’s Tech Notes
- IP Address Conflicts: During initial deployment, verify that the module’s IP address and subnet mask align precisely with the project configuration in Control Builder M; avoid assigning static addresses that conflict with pre-configured gateway routing tables, as this will trigger a link loss event.
- Cable Shielding and Grounding: Given the high-speed nature of the EtherNet/IP interface, ensure the RJ45 cabling uses high-quality shielded twisted pair (STP). Grounding issues in the cabinet can manifest as cyclic “Communication Timeout” alarms in the diagnostic logs, even when the link LEDs appear stable.
5. Adaptive QA & Testing Protocol
Our testing protocol for communication modules focuses on port integrity and protocol stack stability. We perform a cold-start diagnostic sweep to verify internal firmware health, followed by a simulated network handshake using an EtherNet/IP tester to confirm cyclic data exchange speeds. We verify that all diagnostic LEDs toggle correctly under load and inspect the backplane connector pins for oxidation or mechanical wear. Performance verification data logs are available upon request.
6. Buyer’s FAQ
- Q: Is this module compatible with older versions of Control Builder M?A: Yes, but firmware compatibility depends on your specific System 800xA or Compact Control Builder version; ensure your software library supports the CI867A module before deployment.
- Q: What is the lead time for shipping?A: Items in stock typically ship within 24 hours; for bulk quantities or specific regional export requirements, our logistics team coordinates immediate dispatch.
- Q: Are these units tested under load?A: Every unit undergoes rigorous bench testing, including simulated network traffic, to ensure the module maintains communication without dropped packets or stack overflow errors.




