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Product Introduction
The ABB Bailey IMQRS22 is a high-speed Quick Response I/O Module, engineered to perform rapid data acquisition and output operations within ABB’s Symphony and INFI 90 control systems. This module is specifically designed to handle applications where low latency and deterministic I/O behavior are critical, such as in emergency shutdown systems, turbine control loops, or real-time process alarms.
With its capability to process digital I/O changes nearly instantaneously, the IMQRS22 plays a vital role in safety instrumented systems and high-speed interlocking operations. It ensures that field data is captured and acted upon with minimal delay, thereby safeguarding process stability and operational safety.
Technical Specifications
| Parameter | Specification | 
|---|---|
| Manufacturer | ABB | 
| Product Series | Bailey INFI 90 / Symphony | 
| Model Number | IMQRS22 | 
| Module Type | Quick Response I/O Module | 
| I/O Channels | 16-channel high-speed digital I/O (configurable) | 
| Input Voltage Range | 18–32 VDC (Nominal 24 VDC) | 
| Output Type | Relay or open-collector type (module specific) | 
| I/O Processing Speed | Sub-millisecond response time | 
| Synchronization | Local control net with optional timing integration | 
| Communication Interface | I/O expander bus | 
| Power Supply Requirement | 24 VDC ±10% | 
| Power Consumption | Approx. 6 W | 
| Redundancy Support | Yes (for critical applications) | 
| LED Indicators | Power, Communication, Channel Status | 
| Operating Temperature | 0°C to 60°C (32°F to 140°F) | 
| Storage Temperature | -40°C to 85°C | 
| Humidity | 5%–95% non-condensing | 
| Mounting Type | Rack-mounted | 
| Certifications | CE, UL, CSA | 
| Dimensions (L × W × H) | 330.2 x 177.8 x 50.8 mm | 
| Weight | 0.2 kg | 
Applications
The IMQRS22 module is utilized in mission-critical systems where real-time responsiveness is non-negotiable. It serves diverse roles in:
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Turbine and Generator Control Systems: For immediate response to speed, pressure, and temperature thresholds. 
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Emergency Shutdown Systems (ESD): To execute interlocks with minimal delay. 
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Oil and Gas Automation: Monitoring and controlling safety-critical field signals. 
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Substation Automation: Ensuring millisecond switching actions for circuit breakers. 
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Manufacturing Systems: Used in fast mechanical control environments such as robotics or conveyor logic. 
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Alarm and Annunciation Systems: Captures and acts on fault signals in near real-time. 
Product Advantages
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Ultra-Low Latency: Designed for sub-millisecond I/O response, enabling prompt reactions in critical systems. 
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Dual Functionality: Supports both input and output signals on a single board, reducing hardware requirements. 
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High Reliability: Incorporates diagnostic features and redundancy capabilities for failsafe operations. 
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Flexible Integration: Easily integrates with ABB Symphony/INFI 90 systems without complex configuration. 
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Industrial Grade Design: Withstands harsh environmental conditions typical of process facilities. 
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Visual Diagnostics: LED indicators for immediate I/O and system status verification. 
Frequently Asked Questions (FAQ)
- 
What does the IMQRS22 module do? 
 It enables fast response digital I/O operations within process automation and safety systems.
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How fast can it react to input changes? 
 It can process and respond to changes in under one millisecond.
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Can the channels be configured as both input and output? 
 Yes, depending on system setup, each channel can be configured for either input or output.
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What types of systems require quick response I/O? 
 Systems such as turbine control, ESD systems, and alarm handling units benefit most.
- 
Is it suitable for safety instrumented functions? 
 Yes, especially when used in redundant architectures for mission-critical systems.
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Does the IMQRS22 support time synchronization? 
 It synchronizes with local ABB time standards and works well with modules like IMSET01.
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What happens if power is lost? 
 The module resumes operation immediately upon restoration and can work with backup systems.
- 
Is this module compatible with legacy ABB systems? 
 Yes, it is compatible with most existing Bailey INFI 90 configurations.
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How many I/O channels does it support? 
 It provides 16 configurable channels for digital input/output tasks.
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Can it be replaced while the system is running? 
 Typically, it is not hot-swappable; a system halt is recommended for replacement.
Related Models from the Same Series
| Model | Description | Key Features | 
|---|---|---|
| IMSED01 | SOE Digital Input Module | Timestamped 16-channel digital input | 
| IMSET01 | Time Keeper Module | Synchronizes time across SOE network | 
| IMDSO14 | Digital Output Module | 16 channels, optically isolated outputs | 
| IMASI23 | Analog Input Module | 16 channels, isolated analog input | 
| IMRIO02 | Remote I/O Communication Module | Remote I/O expansion over long distances | 
| IMDSI14 | Digital Input Module | 16 digital input channels, fast polling | 
Popular ABB Modules (Same Brand)
| Model | Description | Key Features | 
|---|---|---|
| PM864AK01 | AC 800M Controller | High-performance CPU with redundancy | 
| CI854AK01 | PROFIBUS-DP Interface Module | Dual-channel support for fieldbus | 
| AI810 | Analog Input Module | 8-channel HART-enabled analog input | 
| DI810 | Digital Input Module | 16 inputs, 24 VDC, compact format | 
| DO810 | Digital Output Module | 16 outputs, 24 VDC, open-collector | 
| CI860 | Optical ModuleBus Interface | Optical redundancy for distributed systems | 
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