ABB Bailey IMDSI22 Digital Input Slave Module – Product Description

The ABB Bailey IMDSI22 is a digital input slave module designed for integration with the Bailey INFI 90 distributed control system. It serves as an interface between field devices (such as switches, relays, and binary sensors) and the INFI 90 control system, converting digital input signals into data that can be processed by the control system for real-time monitoring and control.

The IMDSI22 module is built to meet the needs of industries that require reliable, high-speed signal processing for safety-critical applications, such as the oil and gas, chemical, pharmaceutical, and power generation sectors. The module is designed to offer robust performance in demanding environments, ensuring continuous operation even in harsh conditions like extreme temperatures, vibration, and electrical interference.

This module is part of the INFI 90 family, which is known for its flexibility and reliability in critical process control applications. The IMDSI22 is used primarily to monitor digital signals from devices like level switches, flow meters, and pressure switches. The module ensures that these signals are accurately processed and that operators are notified immediately of any issues that might compromise safety or performance.

Key Features of ABB Bailey IMDSI22 Digital Input Slave Module

1. High-Speed Digital Input Processing

   • The IMDSI22 module is designed for high-speed data acquisition, with a fast response time to ensure minimal delays in processing critical signals.
   • The module supports digital inputs from a variety of field devices, providing flexibility for use in different industrial applications.

2. Compact and Lightweight Design

   • With a small form factor of 132 mm x 25 mm x 125 mm, the IMDSI22 is compact and can be easily installed in confined spaces within control cabinets or panels.
   • The module weighs just 0.191 kg, making it easy to handle and integrate into existing systems.

3. Compatibility with Field Devices

   • The IMDSI22 is compatible with a wide range of field devices, such as dry contact switches, binary sensors, and relays.
   • It supports a variety of input signal types, including normally open (NO) and normally closed (NC) configurations.

4. Industrial Durability

   • The IMDSI22 is built using high-quality industrial-grade components, ensuring reliability and durability in harsh industrial environments.
   • The module can withstand vibration, temperature extremes, and electrical noise, ensuring stable operation in challenging conditions.

5. Ease of Integration

   • This module is designed to easily integrate into the Bailey INFI 90 system, offering seamless communication with other system modules.
   • It supports redundant configurations, allowing for continuous operation and enhanced system reliability.

6. Advanced Diagnostics and Error Detection

   • The IMDSI22 includes advanced diagnostic capabilities, providing continuous monitoring of its health and performance.
   • It can detect faults early and notify operators, preventing downtime and ensuring continuous safe operation.

Technical Specifications of ABB Bailey IMDSI22 Digital Input Slave Module

The following table outlines the detailed technical specifications of the ABB Bailey IMDSI22 digital input slave module:

Applications of ABB Bailey IMDSI22 Digital Input Slave Module

The ABB Bailey IMDSI22 module is designed for use in safety-critical applications in a wide range of industries. Some common uses include:

1. Process Control Systems

• In industries such as chemical processing, oil refining, and pharmaceutical manufacturing, the IMDSI22 is used to monitor and control digital input signals from various field devices.
• It ensures that signals from devices such as pressure switches, flow meters, and level sensors are processed quickly and reliably.

2. Power Generation

• The module is used in nuclear power plants, gas turbine plants, and coal-fired power stations to monitor critical safety input signals.
• Helps in monitoring the status of emergency shutdown systems, ensuring that any hazardous conditions are detected and mitigated promptly.

3. Oil & Gas Industry

• The IMDSI22 is utilized in offshore platforms, oil refineries, and gas pipelines to interface with field devices and ensure that critical operations are safe and reliable.
• Plays a key role in monitoring systems such as safety shutdown systems and gas detection systems.

4. Safety Instrumented Systems (SIS)

• The IMDSI22 module is often used in Safety Instrumented Systems to monitor emergency shutdown systems, gas detection systems, and fire detection systems.
• It ensures that digital signals from safety-critical devices are processed accurately, contributing to overall plant safety.

Certifications and Compliance

The ABB Bailey IMDSI22 module meets a variety of industry certifications and compliance standards, including:

• UL Listed: Complies with North American safety standards.
• CE Marked: Meets European Union regulations for health, safety, and environmental protection.
• CSA Approved: Conforms to Canadian Standards Association safety standards.
• RoHS Compliant: Meets RoHS (Restriction of Hazardous Substances) requirements for environmentally friendly manufacturing.

Related Models in the ABB Bailey Series

The ABB Bailey IMDSI22 is part of the Bailey INFI 90 series of modules. Below is a list of 10 related models that complement the IMDSI22 in various industrial applications: