Description
Overview
The ABB IMQRS22 Quick Response I/O Module is a high-speed interface module developed for ABB Symphony Plus, Harmony Rack, and INFI 90 distributed control platforms. The module is optimized for fast process monitoring and rapid signal processing in applications where immediate system response is critical.
Designed for protection logic, emergency shutdown systems, turbine control, and sequence-of-events recording, the IMQRS22 combines analog and digital I/O capabilities within a compact high-performance architecture. Its low-latency processing and timestamped event handling make it suitable for mission-critical industrial automation environments.
Key Features
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High-speed digital and analog signal acquisition
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Fast response time below 1 millisecond
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Integrated sequence-of-events recording capability
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Supports timestamped event buffering
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Compatible with ABB Harmony Rack and INFI 90 systems
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Optically isolated digital channels for noise protection
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Designed for critical interlock and protection functions
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Redundancy-ready architecture for high-availability systems
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Reliable communication through the INFI-90 system bus
Technical Specifications
| Parameter |
Specification |
| Brand |
ABB |
| Model |
IMQRS22 |
| Product Type |
Quick Response I/O Module |
| Compatible Systems |
Symphony Plus, Harmony Rack, INFI 90 |
| Analog Inputs |
4 AI |
| Digital Inputs |
3 DI |
| Digital Outputs |
4 DO |
| Optional Variant |
16 Configurable Digital Channels |
| Digital I/O Response Time |
Less than 1 ms |
| Output Update Time |
Approx. 500 µs |
| Input Scan Interval |
1 ms |
| Event Buffer Capacity |
512 Timestamped Events |
| SOE Recording |
Supported |
| Channel Isolation |
Optoisolated Digital Channels |
| Communication Bus |
INFI-90 / Harmony Rack I/O Bus |
| Connector Type |
Dual 40-Pin Connectors |
| Redundancy Support |
Yes |
| Operating Temperature |
0°C to +60°C |
| Extended Industrial Variant |
-20°C to +70°C |
| Storage Temperature |
-40°C to +85°C |
| Humidity Rating |
Up to 95% RH |
| Dimensions |
358.14 × 269.24 × 73.66 mm |
| Weight |
0.45 lbs |
Performance Characteristics
The ABB IMQRS22 is engineered for applications requiring immediate reaction to process events. The module continuously scans field inputs at high speed while supporting rapid digital output execution and accurate event timestamping.
Its integrated sequence-of-events functionality enables operators to capture and analyze fast-changing system conditions during alarms, trips, or process disturbances.
Application Areas
The IMQRS22 module is commonly used in:
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Turbine protection systems
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Emergency shutdown systems (ESD)
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Power generation controls
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High-speed process interlocks
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Sequence-of-events monitoring
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Critical plant automation systems
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Industrial safety applications
FAQ
What is the primary function of the IMQRS22?
The IMQRS22 is designed for high-speed analog and digital I/O processing in time-sensitive industrial control applications.
Does the module support SOE recording?
Yes. The module includes a 512-event timestamped buffer for sequence-of-events recording and analysis.
Which ABB systems are compatible with the IMQRS22?
The module integrates with Symphony Plus, Harmony Rack, and INFI 90 system architectures.
Are the digital channels electrically isolated?
Yes. The digital channels use optical isolation to improve noise immunity and signal reliability.
