CI867K01 & CI867AK01 Comparison

Time: July 03, 2026

Recently, many clients inquiry us the offer about CI867K01. CI867K01 and CI867AK01 are ABB 800xA system commnunications interface. Both of them can be connected to the external Ethernet devices using Modbus TCP protocol.

CI867K01 is discontinued, short in supply, that lead to the value rising. But why so many clients need it rather than take the successor CI867AK01?

CI867K01 comes with dual Ethernet communication ports, supporting communication speeds of 100 Mbit/s and 10 Mbit/s respectively. System version and hardware version is 5.1. However, its upgraded variant, the CI867AK01, is only equipped with a single 100 Mbit/s Ethernet port. Additionally, CI867AK01 module can only operate normally under System 800xA version 6.0.3.3, 6.1.1 and all later released updates. This makes the CI867AK01 less compatible than the original CI867K01.

The below form list the major difference between CI867K01 and CI867AK01.

Item	CI867K01	CI867AK01
Article number	3BSE043660R1	3BSE092689R1
Communication protocol	MODBUS TCP	MODBUS TCP
Transmission speed	10/100 Mbit/s (Ch1) 10Mbit/s (Ch2)	10/100 Mbit/s (Ch1)
Redundant configuration	Can be set	Can be set
System version request	5.1 version	6.0.3.3, 6.1.1, and subsequent versions.
Package including	-CI867, Communication Interface -TP867, Baseplate	-CI867A, Communication Interface -TP867, Baseplate

Is CI867K01 the only spare part for on-site replacement?
The solution for the CI867AK01 replace of CI867K01: Supply site with the Version 6.1 configuration software for CI867AK01, and the module will function properly.

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