ABB INICT12 Infi-Net Computer Transfer Module

Product Overview

The INICT12 is a dedicated computer communication interface developed by ABB for use within Infi-Net distributed control architectures. Installed in Harmony rack systems, this module enables deterministic data exchange between Infi-Net controllers and supervisory or engineering computers.

Designed for continuous-duty industrial environments, INICT12 focuses on stable serial communication, long-term availability, and predictable network behavior—key requirements in legacy and mission-critical ABB DCS installations.

Core Functionality

The INICT12 acts as a bridge between Infi-Net control nodes and external computer systems. It manages protocol handling, buffering, and timing control to ensure reliable point data transfer, configuration access, and diagnostic communication without impacting real-time controller performance.

Technical Specifications

General Information

• Manufacturer: ABB

• Model: INICT12

• Product Type: Infi-Net Computer Transfer Module

• System Compatibility: ABB Infi-Net DCS, Harmony Rack Hardware

Memory Architecture

• ROM: 512 KB

• RAM: 512 KB

• Non-Volatile RAM: 128 KB (configuration and retained data)

Communication Interface

• Ports: 2 × full-duplex serial channels

• Electrical Standard: RS-232-C

• User-Selectable Baud Rates:

• 2,400

• 4,800

• 9,600

• 19,200 bps

• Communication Mode: Asynchronous serial

Data Handling Capacity

• Maximum Tag / Point Definitions: up to 10,000

• Optimized for controller-to-computer data exchange and diagnostics

Power Requirements

• Supply Voltage: +5 VDC

• Current Consumption: 2.0 A

• Power Dissipation: approx. 10 W

Environmental Limits

• Operating Temperature: −20 °C to +60 °C

• Storage Temperature: −40 °C to +85 °C

Physical Characteristics

• Form Factor: Harmony rack module

• Industrial plug-in design for rapid replacement

• Weight: 1.3 lbs

Key Technical Advantages

• Deterministic serial communication for Infi-Net control systems

• Dedicated processing resources to avoid controller loading

• Non-volatile memory support for retained configuration data

• Proven long-term stability in continuous operation environments

• Simple integration into existing Harmony rack installations

Typical Applications

• Fossil and renewable power generation control systems

• Chemical and petrochemical process automation

• Metallurgical production lines and rolling mills

• Large-scale plant monitoring and supervisory systems

Compatibility Notes

The INICT12 is intended for legacy and transitional ABB DCS platforms utilizing Infi-Net architecture. It is commonly deployed in systems where serial communication reliability and predictable network timing are prioritized over high-bandwidth Ethernet solutions.

FAQ

What is the primary role of the INICT12 module?

The INICT12 provides a stable serial communication interface between Infi-Net controllers and external computers for configuration, monitoring, and data exchange.

Does the INICT12 support Ethernet communication?

No. This module is strictly based on RS-232 serial communication. Ethernet connectivity is handled by different ABB interface modules.

Is the INICT12 suitable for modern DCS upgrades?

It is best suited for maintaining, expanding, or migrating existing Infi-Net systems rather than new Ethernet-based control architectures.