ABB 1MRK002122-ABR02
Product Positioning
The Harmony Rack I/O module serves as a field signal acquisition and transmission unit for the ABB Symphony system.
Main Functions
It connects field devices (such as sensors and actuators) to DCS/PLC systems, providing multiple signal types including digital I/O, analog I/O, and relay outputs.
Key Technical Parameters (Excerpted from Official Technical Specifications)
Module Type: I/O module (digital/analog/relay)
Power Supply: 24 V DC, power consumption ≤ 12 W
Digital Input: 16 channels, rated voltage 24 V DC, anti-interference ≥ 120 dB
Digital Output: 16 channels, rated current 0.5 A, supporting programmable pulse width
Analog Input: 8 channels, ±10 V / 4-20 mA, resolution 16 bit
Analog Output: 4 channels, 0-10 V / 4-20 mA, resolution 12 bit
Communication Interface: Ethernet/IP, Modbus TCP, PROFIBUS DP (optional)
Redundancy Design: Dual power supply, hot-swappable, module-level redundancy
Operating Temperature: –25 °C ~ +55 °C
Protection Class: IP20 (for indoor cabinets)
Product Features
Multi-I/O Compatibility: It meets the requirements of three signal types (digital, analog, and relay) at one time, simplifying on-site wiring.
High Reliability: Equipped with redundant power supply and hot-swappable design, it supports on-line replacement, reducing the risk of downtime.
Flexible Communication: Compatible with multiple industrial protocols, facilitating access to upper-level systems such as ABB Symphony, DCS, and PLC.
Compact Modular Design: Compliant with the standard size of Harmony Rack, it allows for high-density arrangement in cabinets.
Easy Configuration: With the supporting ABB Engineering tool, parameter setting and diagnosis can be quickly completed on the PC terminal.
Structure and Composition
Housing: A metal frame that provides mechanical support and EMI shielding.
Power Sub-board: 24 V DC input, dual-channel redundant power module.
I/O Cards: Separately equipped with digital input cards, digital output cards, analog input cards, and analog output cards.
Communication Board: Interfaces for Ethernet/IP, Modbus TCP, or PROFIBUS DP.
Diagnostic Indicators: Indicators for power supply, communication, and fault status.
Typical Application Fields
Petrochemical process control
Power system monitoring
Water treatment and sewage treatment plants
Metallurgy and metal processing
Food and pharmaceutical production lines
Any DCS/PLC projects requiring high-reliability on-site signal acquisition
Installation and Maintenance Guidelines
Installation
Insert the module into the corresponding slot of the Harmony Rack cabinet, ensuring that the card slot is aligned.
Connect the 24 V DC power supply and check whether both dual power supply redundancies are powered.
Connect on-site sensors/actuators as required, following the voltage/current specifications.
Connect to the upper-level system via Ethernet or field bus, and complete the network configuration.
Commissioning
Use the ABB Engineering software for I/O mapping and parameter setting.
Check the power supply, communication, and fault status through the diagnostic indicators; if necessary, view the module self-test log.
Maintenance
Regularly inspect the terminal blocks and fastening screws to prevent signal failure caused by loosening.
Faulty cards can be replaced via hot-swapping without affecting the system operation.
Record the serial number and replacement time of the replaced parts for easy traceability.
Xingruijia focuses on providing ABB industrial automation full range product services and your intelligent control solution partner
If you would like to learn more about our products and services, please feel free to contact us at any time!
Sales Manager : Jinny
Email : sales1@xrjdcs.com
Whatsapp/Mobile:+86 15359273791
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