3BSE026055R1 | ABB AC 800M | CI856K01 I/O Interface Kit

Overview

The ABB CI856K01 3BSE026055R1 is an S100 I/O communication interface kit designed for AC 800M controllers. It enables the integration and migration of existing S100 I/O racks, allowing seamless communication and data exchange between older generation field devices and modern control architectures.

Technical Specifications

• Product Type: Communication Interface Kit
• Part Number: 3BSE026055R1
• Model: CI856K01
• Protocol: S100 I/O Bus Protocol
• Interface Type: Master Interface Module (CI856)
• Supported Hardware: Connects to S100 I/O rack backplanes via optical link or electrical bus
• Maximum Number of Modules: Supports up to 5 S100 I/O racks per interface
• Power Supply: 24 V DC
• Power Dissipation: 4.5 W
• Current Consumption +24 V External: 140 mA
• Isolation: Galvanic isolation from the controller backplane
• HART Communication: No
• SOE (Sequence of Events): Yes (Supports high-resolution event tagging for S100 I/O inputs)
• Redundancy Support: No
• High Integrity: No
• Intrinsic Safety: No
• Front LEDs: F(ault), R(un), P(ower), T(ransmit), R(eceive)
• Product Net Width: 59 mm
• Product Net Depth: 127.5 mm
• Product Net Height: 185 mm
• Product Net Weight: 0.55 kg

Key Features

• Enables cost-effective migration pathways by linking existing S100 I/O blocks to current AC 800M systems.
• Provides millisecond-accurate Sequence of Events (SOE) timestamp processing for critical binary digital signals.
• Mounts directly into standard AC 800M controller communication slots to save critical footprint space.
• Features integrated optical isolation options to securely link field racks without risk of electrical noise injection.
• Utilizes detailed front-panel status LED arrays to provide immediate structural and protocol-level troubleshooting feedback.

Installation Notes

• Mount the communication module onto the designated slot of the AC 800M baseplate inside a clean, unventilated control enclosure.
• Connect the connection cable between the CI856 module and the corresponding S100 I/O connection unit strictly according to wiring guidelines.
• Verify that the functional earth ground connection is properly established across both the controller rack and the S100 I/O subrack.
• Configure the S100 I/O rack address settings within the automation engineering studio software before running system synchronization.