Product Description
The ABB IIMSM01 is a serial I/O communication module used in Bailey Infi 90 control systems, which are widely deployed in industries like power generation, petrochemicals, oil & gas, water treatment, and manufacturing. It acts as a bridge between the Infi 90 system and external devices (e.g., PLCs, meters, controllers) using serial protocols such as RS-232 or RS-485.
As part of the Multibus backplane, the IIMSM01 ensures fast and reliable communication, enabling operators and controllers to manage critical real-time data and execute automation commands. Its modular plug-in design supports easy installation and replacement within Infi 90 rack systems.

Specifications

Model Number: IIMSM01
Product Type: Serial Input/Output Module
System Compatibility: ABB Bailey Infi 90 DCS
Communication Type: Serial (RS-232 / RS-485)
Interface: Multibus backplane
Data Bits: 7 or 8 bits
Stop Bits: 1 or 2
Parity: None, Even, Odd
Power Supply: Supplied through the rack (typically 5V DC)
Operating Temperature: 0°C to 60°C (32°F to 140°F)
Storage Temperature: -40°C to 85°C (-40°F to 185°F)
Relative Humidity: 5% – 95% non-condensing
Mounting Type: Plug-in card for Bailey Infi 90 rack chassis
Functional Characteristics
- Robust Serial Integration: The IIMSM01 module is ideal for integrating third-party field devices via serial communication, ensuring compatibility even in legacy systems.
- Redundant Communication Pathways: Supports dual communication paths for improved system reliability and failover capability.
- Real-Time Data Handling: Capable of processing time-critical serial data and relaying it to controllers with minimal latency.
- Diagnostics & Troubleshooting: Equipped with onboard diagnostics to identify link failures, port issues, and communication integrity problems.
- Software Configuration: Module parameters such as baud rate, parity, and device addressing can be configured through system setup software.
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