Description

Product Overview

The INICT03 is an ABB Bailey INFI 90 DCS communications module designed to provide an interface between the INFI-NET control network and an external host computer. Within the INICI03 computer interface architecture, it works with the INNIS01 Network Interface Slave module and IMMPI01 Multifunction Processor Interface module to support host-level data acquisition, process monitoring, control functions, status handling, and system configuration. ABB documentation identifies the module as a single printed circuit board occupying one slot in the module mounting unit. Depending on the interface arrangement, computer communication is supported through RS-232-C or SCSI connections via the associated interface hardware.

For legacy INFI 90 systems, this module is particularly relevant when maintaining existing communication architecture without replacing an entire control interface. Correct revision and system compatibility should be checked before installation.

Technical Specifications — INICT03

The published electrical and interface details are based on available technical documentation; cabinet-specific installation requirements should be confirmed against the applicable system manual.

ABB INICT03

Key Features and Benefits — INICT03

• Provides the electronics required for the INFI 90 computer interface architecture.
• Communicates with the INNIS01 module through the I/O Expander Bus.
• Works with the IMMPI01 module for host computer connectivity.
• Supports host access to process and point data.
• Applicable to legacy DCS environments where continued use of INFI-NET infrastructure is required.
• Single-slot construction simplifies integration within the existing module mounting system.
• Useful as a maintenance spare for communication-interface continuity.

ABB documentation also shows that the broader INICI03 architecture can provide RS-232-C communication up to 19.2 kilobaud or SCSI communication through the associated interface module.

Related Models

INICT03A — A related Computer Transfer Module used in Harmony Rack communication systems. ABB describes it as a host-computer interface module with similar system architecture but different implementation characteristics.

INICT12 — Another ABB Harmony Rack Computer Transfer Module supporting host communication, with a different computer connection arrangement.

IMMPI01 — Multifunction Processor Interface Module responsible for the actual host computer interface when used with the INICT03A architecture and supporting RS-232-C or SCSI connections.

INNIS01 — Network Interface Slave module that provides the network-side communication path for INFI-NET and works with the computer transfer module.

Installation and Maintenance — INICT03

Before replacement, confirm the module type, revision, cabinet slot, associated INNIS01 hardware, and interface configuration. Power should be isolated according to the plant’s electrical safety procedure, and appropriate ESD protection should be used when handling the circuit board.

Inspect connectors, board condition, identification labels, and signs of corrosion or contamination. After installation, verify the I/O Expander Bus connection and host communication path, then check system diagnostics and point-data exchange before returning the DCS interface to service.

Personally, I would record the installed revision and communication configuration before removing the original board. That small step can prevent unnecessary troubleshooting after startup.

Product Warranty — INICT03

Warranty terms depend on the supplier and supplied condition. Before procurement, confirm whether the module is new, unused surplus, refurbished, or previously installed, and request available testing or inspection records.

For critical DCS spares, maintain traceability for the full part number, hardware revision, serial number where applicable, inspection status, and storage history.