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- 1MRK000028-BAr04
- Relion 670 Display Panel
- USA
- 265.9 × 20 × 255 mm
- 0.23 kg
- Xiamen, China
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Product Overview
The ABB 1MRK000028-BAr04 Relion 670 Display Panel is a human-machine interface (HMI) component used in ABB Relion 670 series protection and control equipment. It provides a local operator interface for accessing relay information, monitoring operating conditions, viewing protection indications, and navigating available device functions.
In electrical substations and industrial power distribution systems, Relion 670 intelligent electronic devices (IEDs) perform protection, monitoring, and control functions. The display panel allows operators and maintenance personnel to interact directly with the installed relay without depending entirely on an external engineering workstation.
The local HMI arrangement includes a graphical monochrome LCD, keypad, LED indicators, and a communication interface for ABB PCM600 engineering software. The graphical display presents information in organized areas, allowing users to navigate menus and inspect equipment data.
During normal operation, the host relay can supply information such as electrical measurements, protection indications, event records, alarms, and equipment status. The available information depends on the specific Relion 670 device model and its application configuration.
For example, in a transmission substation, maintenance personnel can use the local display to examine protection indications, review electrical measurements, and check the operating status of the protected bay. This is particularly useful during commissioning, routine inspection, and fault investigation.
The 1MRK000028-BAr04 is a dedicated display panel rather than an independent protection relay. Its operation depends on the associated Relion 670 IED and the corresponding hardware configuration.
When selecting this component as a replacement, maintenance engineers should verify the complete ordering number, original display configuration, keypad arrangement, and host relay compatibility. Similar-looking display panels may have different hardware configurations and should not automatically be considered interchangeable.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | 1MRK000028-BAr04 |
| Product Type | Relion 670 Display Panel |
| Product Family | ABB Relion 670 Series |
| Component Type | Human-Machine Interface (HMI) |
| Interface Type | Local Human-Machine Interface (LHMI) |
| Display Technology | Graphical Monochrome LCD |
| Display Resolution | 320 × 240 pixels |
| Operator Interface | Display and Keypad |
| Status Indication | LED Indicators |
| Engineering Interface | PCM600 Communication Interface |
| Application | Protection and Control IED |
| Dimensions | 265.9 × 20 × 255 mm |
| Weight | 0.23 kg |
Product Features
- Graphical LCD Display: Presents relay information, operating measurements, menus, and equipment status.
- Local Operator Interface: Allows maintenance personnel to access available Relion 670 functions directly from the equipment front panel.
- Keypad Navigation: Supports menu navigation, parameter inspection, and available operator commands.
- LED Status Indication: Provides visual feedback about the operating and protection conditions of the host IED.
- Single-Line Diagram Visualization: Supports graphical presentation of configured electrical bay arrangements.
- Alarm and Event Information: Allows operators to inspect protection indications and event information supplied by the host relay.
- PCM600 Engineering Interface: Supports the local engineering communication arrangement of compatible Relion 670 equipment.
- Dedicated Hardware Identification: Uses the complete 1MRK000028-BAr04 ordering number to distinguish this display variant from other ABB HMI assemblies.
Working Principle
The ABB 1MRK000028-BAr04 operates as the local visual and operator interface of the associated Relion 670 intelligent electronic device. It presents information generated by the host relay and accepts operator input through its keypad.
Its operation involves several principal functions.
Display Information Processing
The host IED processes electrical measurements, protection signals, equipment status, and configured application information.
The local HMI receives the available information and presents it on the graphical LCD. Depending on the installed application, operators can view current and voltage measurements, protection indications, event information, and equipment status.
Menu Navigation and Operator Input
The keypad provides access to the local HMI menu structure.
Operators can navigate between display pages, inspect available parameters, and access permitted device functions. The available operations depend on the host relay configuration and user authorization.
Protection Status Indication
The HMI provides visual status indications associated with the host protection device.
The indication system allows maintenance personnel to identify important operating conditions, including normal operation, protection pickup, and trip-related conditions, according to the configured IED interface.
Single-Line Diagram Visualization
The graphical display can present a single-line diagram representing the electrical bay arrangement.
Circuit breaker symbols, disconnector positions, equipment labels, and electrical measurements can be displayed according to the configured application. This gives operators a visual representation of the monitored electrical installation.
Engineering Communication
The local HMI arrangement includes a communication interface for PCM600 engineering software.
Maintenance personnel can use the applicable ABB engineering tools to configure, monitor, and maintain the associated protection and control IED.
The display panel itself does not perform independent protection calculations or interrupt electrical circuits. These operations are handled by the host Relion 670 equipment.
Role in the ABB Relion 670 Protection and Control Architecture
The 1MRK000028-BAr04 serves as the local operator interface within the ABB Relion 670 protection and control architecture. It provides access to information generated by the host IED and supports local equipment monitoring and interaction.
A simplified system arrangement is:
Current / Voltage Transformers → Relion 670 IED Processing → Local HMI Display Panel → Operator Monitoring and Control
| System Component | Function |
|---|---|
| ABB 1MRK000028-BAr04 | Provides the local display and operator interface |
| Relion 670 IED | Performs protection, monitoring, and control functions |
| Graphical LCD | Presents measurements, menus, and equipment information |
| Keypad | Provides local navigation and operator input |
| Status LEDs | Indicate operating and protection conditions |
| Current Transformers | Supply current measurement signals |
| Voltage Transformers | Supply voltage measurement signals |
| PCM600 | Supports engineering, configuration, and maintenance |
| Communication Interfaces | Support information exchange with external systems |
| Circuit Breaker | Performs electrical circuit interruption |
| Substation Control System | Supervises and coordinates substation equipment |
In a substation installation, the Relion 670 IED processes electrical measurements and evaluates configured protection functions. The display panel presents the resulting information to operators and allows access to available local functions.
This arrangement supports local equipment inspection and maintenance while the host relay continues performing its assigned protection and control operations.
Industrial Applications
| Application | Typical Use |
|---|---|
| Electrical Substations | Local monitoring of protection relays and electrical bay conditions |
| Transmission Networks | Viewing measurements and protection indications in transmission substations |
| Power Generation | Monitoring protection and control equipment in generating stations |
| Transformer Protection | Accessing operating information from transformer protection IEDs |
| Busbar Protection | Local supervision of busbar protection equipment |
| Feeder Protection | Monitoring electrical measurements and feeder protection status |
| Industrial Power Distribution | Local access to protection information in distribution installations |
| Utility Automation | Supporting operator interaction with substation IEDs |
| Power System Control | Displaying configured equipment status and operational information |
| Electrical Maintenance | Supporting relay inspection, commissioning, and fault investigation |
Installation and Maintenance
- Verify the Part Number: Confirm that the replacement display panel carries the correct ABB identification, 1MRK000028-BAr04.
- Check IED Compatibility: Verify the complete Relion 670 device model and original local HMI configuration.
- Confirm Display Configuration: Compare the display and keypad arrangement with the original installed assembly.
- Record Existing Configuration: Document relevant equipment settings and HMI arrangements before starting replacement work.
- Review ABB Documentation: Obtain the applicable Relion 670 hardware and installation instructions.
- Isolate the Equipment: Follow the prescribed electrical isolation and maintenance procedures before accessing the IED enclosure.
- Apply ESD Protection: Use suitable electrostatic discharge precautions when handling the display electronics and associated connectors.
- Access the Front-Panel Assembly: Open the equipment enclosure according to the applicable ABB maintenance instructions.
- Inspect the Connections: Examine display connectors, mounting points, and associated electronic interfaces for damage.
- Install the Replacement Panel: Position and secure the display assembly according to the specified installation procedure.
- Verify HMI Operation: Check display operation, keypad response, and LED indications after completing the installation.
- Perform Final Testing: Confirm that the display presents the expected information from the host IED before returning the equipment to normal service.
Compatible System Components
| Component | Function |
|---|---|
| ABB 1MRK000028-BAr04 | Relion 670 Display Panel |
| ABB Relion 670 IED | Protection and control equipment |
| Local HMI Keypad | Operator navigation and input |
| Graphical LCD | Displays relay information and measurements |
| Status LED Assembly | Provides visual operating and protection indications |
| ABB PCM600 | Protection and control engineering software |
| Current Transformer Modules | Provide current measurement signals |
| Voltage Transformer Modules | Provide voltage measurement signals |
| Communication Modules | Support external IED communication |
| Power Supply Module | Supplies operating power to the host IED |
Recommended Related Models
| Model | Product Type | Typical Application |
|---|---|---|
| ABB 1MRK000028-BAr01 | Relion 670 Display Panel | Local HMI replacement |
| ABB 1MRK000028-CAr01 | Relion 670 HMI Component | Display interface replacement |
| ABB 1MRK000008-LBr03 | HMI-IED670 Display | Protection relay HMI maintenance |
| ABB 1MRK000008-MBr02 | HMI-IED670 Display | Electronic display replacement |
| ABB 1MRK000008-NBr02 | HMI-IED670 Display | Relion equipment maintenance |
| ABB 1MRK000008-NBr03 | HMI-IED670 Display | Protection and control equipment servicing |
Key Advantages
- Provides local access to Relion 670 protection and control information.
- Supports graphical presentation of electrical measurements and equipment status.
- Combines display and keypad functions in the local HMI arrangement.
- Allows operators to inspect protection indications directly at the IED.
- Supports single-line diagram visualization for configured electrical applications.
- Facilitates commissioning, routine inspection, and equipment maintenance.
- Provides a dedicated ordering number for replacement part identification.
Technical FAQs
What is the function of the ABB 1MRK000028-BAr04 Display Panel?
It serves as the local human-machine interface for compatible ABB Relion 670 protection and control equipment. Operators can use it to view measurements, protection indications, equipment status, and available device menus.
What information can be displayed through the Relion 670 local HMI?
Depending on the host IED configuration, the display can present electrical measurements, protection indications, event records, alarms, equipment status, and single-line diagrams.
Can the 1MRK000028-BAr04 perform protection functions independently?
No. The display panel provides visualization and operator interaction. Protection calculations, fault evaluation, and trip decisions are performed by the associated Relion 670 IED.
What should be checked before replacing the 1MRK000028-BAr04?
Verify the complete ordering number, original IED model, display configuration, keypad arrangement, connector interfaces, and hardware revision. The replacement must match the original HMI configuration.