CEX-side data path
The CEX interface exchanges mapped block data with the AC 800M controller while the local processor manages the field-network schedule.
ABBAC 800M
Verified product record
ABB CI862 3BUA000037R1 AC 800M TRIO / Genius Communication Interface Kit
01
Product Overview
ABB CI862 3BUA000037R1 is an AC 800M CEX-bus communication interface for integrating TRIO LAN and Genius I/O blocks with the controller. It transfers block data between the field network and the AC 800M application while retaining the external HHM and network-termination functions required by the installed LAN.
The electronics of ABB CI862 3BUA000037R1 combine a 32 MHz ColdFire processor, SDRAM, flash and the Genius communication processor. One TRIO LAN accepts up to thirty documented blocks, and as many as four LANs can be arranged within the system limits; the controller project maps those block addresses to process data.
At installation, ABB CI862 3BUA000037R1 uses the TP862 baseplate for CEX, TRIO LAN, Genius HHM and RS-422 control connections. The termination switch and field cable are set for the actual network endpoint, and the project is checked against the controller family because CI862 is not used with PM891.
02
Technical Specifications
Exact-model engineering data
| Brand | ABB |
|---|---|
| Model | CI862 3BUA000037R1 |
| Product Name | TRIO / Genius Communication Interface Kit |
| Country | Switzerland |
| System Family | AC 800M |
| Controller Connection | CEX bus through TP862 |
| Field Network | TRIO LAN / Genius I/O |
| Processor | ColdFire MCF5307, 32 MHz |
| Memory | 8 MB SDRAM; 2 MB flash |
| Blocks per LAN | Up to 30 |
| System LAN Count | Up to 4 within system limits |
| Point Capacity | Up to 1000 points |
| Service Interface | Genius HHM connection |
| CEX Current | 190 mA typical; 200 mA maximum at 24 V |
| Compatibility Boundary | Not supported with PM891 |
03
Communication and Connectivity
ABB CI862 3BUA000037R1 separates CEX-bus controller traffic from TRIO/Genius field traffic and exposes dedicated service and termination connections on the TP862 base.
TRIO LAN path
The Genius communication processor drives the TRIO LAN and associates each configured block address with its controller data object.
HHM and control ports
The baseplate provides the Genius HHM and RS-422 control connections used for documented network setup and service actions.
04
Installation Highlights
Install ABB CI862 3BUA000037R1 by treating controller position, LAN wiring and termination as three separate checks.
De-energize and document
Record the CEX position, block addresses, cable route and termination state, then isolate cabinet and field-network power before releasing the baseplate wiring.
Land and terminate the LAN
Connect the documented TRIO/Genius cable, set the termination switch for the actual segment endpoint and preserve the HHM/service connection.
Restore and prove block data
Confirm CI862 recognition, scan every configured block and compare representative input/output values with the field devices before enabling automatic control.
05
Frequently Asked Questions
Can ABB CI862 3BUA000037R1 be used with PM891?
No. ABB CI862 3BUA000037R1 is explicitly outside the documented PM891 compatibility path.
Why does ABB CI862 3BUA000037R1 see some blocks but not the whole LAN?
For ABB CI862 3BUA000037R1, compare block addresses, cable continuity, segment termination and each block power supply; controller recognition does not prove the full TRIO LAN.
What is the role of the HHM connector on ABB CI862 3BUA000037R1?
The HHM connector on ABB CI862 3BUA000037R1 supports documented Genius network setup and service access; it is separate from the controller CEX data path.
How many blocks belong on one ABB CI862 3BUA000037R1 LAN?
ABB CI862 3BUA000037R1 supports up to thirty documented blocks on one TRIO LAN, within the complete system point and LAN limits.
What should be checked after replacing ABB CI862 3BUA000037R1?
After replacing ABB CI862 3BUA000037R1, verify the CEX position, termination setting, block map, HHM access and representative data from every field segment.
Can ABB CI862 3BUA000037R1 be selected by the baseplate alone?
No. ABB CI862 3BUA000037R1 must match the CI862 interface board, TP862 base, complete article and installed TRIO/Genius network record.
06
Our Advantages
Moore Automation
https://www.mvme.cn/Moore Automation maintains multi-brand automation records across controllers, communication hardware, I/O and monitoring products.
Exact model strings, photographs, quantities and destination details stay connected so a legacy communication interface is reviewed against one consistent enquiry.
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Traceable detailComplete references retained.
Concise responseCommercial facts prioritized.
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08
Contact Information
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