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Product Introduction
The ABB Bailey IMRIO22 is a Remote Input/Output (I/O) Module engineered for the INFI 90 Distributed Control System (DCS). It acts as a communication bridge between field devices and the centralized controller, allowing the collection of process data and control commands over long distances. The IMRIO22 expands I/O capabilities in large industrial environments where centralized wiring is impractical or cost-prohibitive.
Designed for high-performance and reliability, this module plays a critical role in decentralized control architectures. It provides deterministic I/O communications and supports a wide range of analog and digital signal types. The module communicates with the controller via INFI-NET, ensuring seamless integration and fast data transmission with minimal latency.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | IMRIO22 |
| Manufacturer | ABB Bailey |
| Product Type | Remote I/O Module |
| System Compatibility | INFI 90 / Symphony DCS |
| Communication Protocol | INFI-NET |
| Supported I/O Types | Analog, Digital, Pulse |
| Mounting Type | DIN Rail or Rack Mount |
| Redundancy | Supported (dual channel) |
| Power Supply Requirement | 24 VDC (typical) |
| Status Indicators | LED indicators for power, status, and communication |
| I/O Capacity | Supports multiple I/O modules via remote base |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Tolerance | 5% to 95% RH, non-condensing |
| Protection Rating | IP20 |
| Certifications | CE, UL, CSA, FM Class 1 Div 2 |
| Dimensions (W x H x D) | 200 x 120 x 80 mm |
| Weight | 1.2 kg |
Product Applications
The IMRIO22 is used in complex automation scenarios where remote monitoring and distributed control are necessary. Its applications include:
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Power Generation Facilities – Remote sensing of turbine temperatures, voltages, and pressures.
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Oil & Gas Platforms – Distributed control of pumps, valves, and compressors across extended facilities.
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Water & Wastewater Treatment – Monitoring tank levels, chemical dosing systems, and valve positions in remote plants.
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Steel and Metal Plants – Data collection from distant sensor networks for furnace and rolling control.
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Paper and Pulp Mills – Remote control of machines like paper feeders, cutting rollers, and steam valves.
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Pharmaceutical Plants – Accurate monitoring and control in clean rooms or isolated production areas.
Product Advantages
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Distributed Architecture Support: Enables decentralization of I/O, reducing wiring complexity and improving maintainability.
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High Communication Reliability: Utilizes INFI-NET protocol for stable, real-time data transfer.
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Redundancy Ready: Supports dual-channel redundancy to enhance system availability.
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Flexible Mounting: Can be mounted in racks or on DIN rails for versatile installation across plant zones.
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Modular Expansion: Easily scalable with additional I/O modules connected remotely.
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Industrial Durability: Built to operate under harsh environmental conditions.
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Reduced Latency: Real-time data access ensures faster control loop response.
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Long-Term Compatibility: Fully compatible with legacy INFI 90 systems, ideal for modernization and expansions.
Frequently Asked Questions (FAQ)
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Q: What is the main function of the IMRIO22 module?
A: It connects remote field I/O signals to the central DCS controller using the INFI-NET protocol. -
Q: Is IMRIO22 compatible with non-ABB systems?
A: No, it is specifically designed for ABB’s INFI 90 and Symphony DCS platforms. -
Q: Can the IMRIO22 module be used in redundant configurations?
A: Yes, it supports redundant communication paths for fault-tolerant operation. -
Q: How is the module configured?
A: Configuration is performed using ABB’s INFI 90 configuration tools or Composer software. -
Q: What kind of I/O signals are supported?
A: It supports analog (e.g., 4–20 mA), digital (e.g., 24 VDC), and pulse signals through connected modules. -
Q: Is it possible to install IMRIO22 outdoors?
A: The module must be housed in a protected enclosure as it has an IP20 protection rating. -
Q: How does IMRIO22 handle power supply interruptions?
A: It resumes operation automatically upon power restoration and maintains communication states. -
Q: Can multiple IMRIO22 modules be used in one system?
A: Yes, several remote I/O modules can be integrated within the same DCS network. -
Q: What is the typical power consumption of the module?
A: Power consumption is low (approx. 5–10 Watts), depending on I/O load. -
Q: What are the diagnostics available on the module?
A: Front panel LEDs indicate power, communication status, and fault conditions.
Related or Same-Series ABB Bailey Models
| Model Number | Description | Function | System Compatibility |
|---|---|---|---|
| IMRIO01 | Remote I/O Interface Module | Remote I/O communication | INFI 90 |
| IMCIS22 | Communication Interface Slave | Serial network interface | INFI 90 / Symphony |
| INNIS21 | Network Interface Slave Module | INFI-NET I/O handling | INFI 90 |
| INICT13A | Network Interface Computer Transfer Module | Host-to-DCS communication | INFI 90 / PC |
| IMMFP12 | Multifunction Processor Module | Central processor | INFI 90 |
| IMCPM02 | Control Processor Module | Redundant CPU control | INFI 90 / Harmony |
Popular ABB Automation Models
| Model Number | Product Name | Category | Key Features |
|---|---|---|---|
| PM866K01 | AC 800M CPU Module | Process Controller | Redundancy, 32 MB memory, IEC 61131-3 |
| CI855K01 | Communication Interface PROFIBUS | Fieldbus Interface | Redundant DPV1 interface |
| AI810 | Analog Input Module | I/O Module | 8 ch, 4–20 mA, HART enabled |
| DO810 | Digital Output Module | I/O Module | 16 ch, 24 VDC sink |
| PM861AK01 | AC 800M CPU Module | Controller | Dual CPU, Ethernet, extended memory |
| TU849 | Compact Terminal Unit | Base Unit | DIN-rail mount, supports S800 I/O modules |
