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- 1MRK000028-BAr01
- Display Panel
- Sweden (SE)
- 265.9 × 20 × 255 mm
- 0.23 kg
- Xiamen, China
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Product Overview
The ABB 1MRK000028-BAr01 Relion 670 Display Panel is a local human-machine interface (LHMI) component associated with ABB Relion 670 series protection and control intelligent electronic devices (IEDs). It provides the front-panel display interface through which operators and maintenance personnel can access protection information, monitor equipment conditions, and interact with the installed relay.
In electrical substations and industrial power distribution systems, Relion 670 devices perform protection, monitoring, and control functions. The display panel provides local access to information generated by the host IED, allowing personnel to inspect operating measurements, alarms, protection indications, and equipment status without relying exclusively on an external engineering workstation.
The Relion 670 local HMI combines a graphical monochrome LCD, keypad, LED indicators, and a communication port for PCM600. The graphical display presents information in organized areas, including navigation paths, displayed content, status information, and a scroll bar when required.
During normal operation, the display can present single-line diagrams, electrical measurements, event information, and protection-related indications, depending on the host relay configuration. Operators can use the keypad to navigate menus, inspect settings, and access available control functions.
For example, in a transmission substation, maintenance personnel can use the local display of a Relion 670 protection relay to examine voltage and current measurements, review protection alarms, and check the status of the protected bay. This local access is particularly useful during commissioning, routine inspection, and fault investigation.
The display panel is an HMI component rather than an independent protection relay. Its operation depends on the associated Relion 670 electronic equipment and the installed hardware configuration.
When selecting the 1MRK000028-BAr01 as a replacement, the complete ordering number, display configuration, keypad arrangement, and original IED hardware should be checked to ensure compatibility.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | 1MRK000028-BAr01 |
| 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 Port |
| Application | Protection and Control IED |
| Dimensions | 265.9 × 20 × 255 mm |
| Weight | 0.23 kg |
Product Features
- Graphical LCD Display: Provides a graphical interface for viewing protection information, measurements, and equipment status.
- Local Operator Interface: Allows personnel to access the functions of the associated Relion 670 IED directly from the front panel.
- Keypad Navigation: Supports menu navigation, parameter inspection, and available operator commands.
- LED Status Indication: Provides visual indications associated with protection and equipment operating conditions.
- Single-Line Diagram Display: Supports graphical representation of electrical bay configurations and switching equipment.
- Alarm Information: Displays protection alarms and other equipment-related indications.
- PCM600 Interface: The host LHMI arrangement includes a communication port for ABB PCM600 engineering tools.
- Relion 670 Integration: Forms part of the local HMI arrangement of compatible Relion 670 protection and control equipment.
Working Principle
The ABB Relion 670 Display Panel operates as the visual and operator interface of the host intelligent electronic device. It receives information from the relay’s internal processing system and presents the information through the graphical LCD, status indicators, and keypad interface.
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 presents the available information on the LCD. Depending on the installed application and configuration, operators can view measurements, protection indications, event information, and single-line diagrams.
Menu Navigation and Operator Input
The keypad allows users to navigate the local HMI menus and access available device functions.
Operators can move between different display pages, inspect equipment parameters, and access configuration menus according to their authorization and the host IED settings.
Protection Status Indication
The local HMI includes three protection status LEDs: Normal, Pickup, and Trip.
These indicators allow personnel to identify important relay operating conditions without navigating through every display menu.
Single-Line Diagram Visualization
The graphical display can present the electrical bay arrangement through a single-line diagram.
Circuit breaker and disconnector symbols, equipment labels, and electrical measurements can be displayed according to the configured application. This gives operators a visual overview of the monitored electrical installation.
Engineering Communication
The Relion 670 local HMI arrangement includes a communication port for PCM600. Engineering personnel can use the applicable ABB engineering tools to configure, monitor, and maintain the associated IED.
The display itself does not independently perform protection calculations or interrupt electrical circuits. These functions belong to the host protection and control device.
Role in the ABB Relion 670 Protection and Control Architecture
The 1MRK000028-BAr01 display panel serves as the local operator interface within the ABB Relion 670 IED architecture. It provides access to information generated by the protection and control functions of the host device.
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-BAr01 | Relion 670 local display panel |
| Relion 670 IED | Performs protection, monitoring, and control functions |
| Graphical LCD | Presents measurements, menus, and equipment information |
| Keypad | Provides local navigation and operator input |
| Protection Status LEDs | Indicate normal, pickup, and trip conditions |
| Current Transformers | Supply current measurement signals |
| Voltage Transformers | Supply voltage measurement signals |
| PCM600 | ABB engineering and configuration software |
| Communication Interfaces | Support communication with external protection and control systems |
| Circuit Breaker | Performs electrical circuit interruption |
| Substation Control System | Supervises and coordinates substation equipment |
In a substation protection installation, the Relion 670 IED processes electrical measurements and evaluates configured protection functions. The display panel presents the corresponding information to operators.
This arrangement allows local equipment inspection and operation while the relay continues performing its assigned protection and control functions.
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 current, voltage, 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-BAr01.
- Check IED Compatibility: Verify the complete Relion 670 device model and original HMI configuration.
- Confirm Display Configuration: Check the display size, keypad symbol arrangement, and hardware configuration against the original 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 the 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: Restore the equipment according to the commissioning procedure and check display operation, keypad response, and LED indications.
- 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-BAr01 | 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 |
| Protection Status LEDs | Indicate normal, pickup, and trip conditions |
| 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-AA | Relion 670 Medium Graphic Display, IEC | Local HMI configuration |
| ABB 1MRK000028-BA | Relion 670 Medium Graphic Display, IEC | Local HMI configuration |
| ABB 1MRK000028-CA | Relion 670 Medium Graphic Display, IEC | Local HMI configuration |
| ABB 1MRK000028-AB | Relion 670 Medium Graphic Display, ANSI | Local HMI configuration |
| ABB 1MRK000028-BB | Relion 670 Medium Graphic Display, ANSI | Local HMI configuration |
| ABB 1MRK000028-CB | Relion 670 Medium Graphic Display, ANSI | Local HMI configuration |
Key Advantages
- Provides local access to Relion 670 protection and control information.
- Supports graphical presentation of electrical measurements and equipment status.
- Combines display, keypad, and LED indication 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 maintenance activities.
Technical FAQs
What is the function of the ABB 1MRK000028-BAr01 Display Panel?
It serves as the local human-machine interface for the associated Relion 670 protection and control equipment. Operators can use it to view measurements, protection indications, equipment status, and available device menus.
What display technology is used in the Relion 670 local HMI?
The Relion 670 local HMI uses a graphical monochrome LCD with a resolution of 320 × 240 pixels. The display organizes information into navigation, content, status, and scrolling areas.
Can the display panel perform protection functions independently?
No. The display panel provides visualization and operator interaction. Protection calculations, fault evaluation, and trip decisions are performed by the host Relion 670 IED.
What should be checked before replacing the 1MRK000028-BAr01?
Check the complete ordering number, original IED model, display configuration, keypad arrangement, connector interfaces, and hardware revision. The replacement must match the original HMI configuration.