Description

Product Overview

The ABB 1MRK000508-BDR04 is a highly specialized and robust Binary Input Module,which is inextricably linked to its companion PC board,the 1MRK000007-21.This combination forms a critical component within ABB’s advanced power systems automation portfolio.This module is not a standalone device but is designed to function as an integral part of the renowned REF 54x series of feeder terminals and bay controllers.Its primary function is to provide the main controller with a high-performance interface for monitoring the binary(on/off)status of various field devices in a substation.This includes the status of circuit breakers,disconnectors,earthing switches,and alarm signals.The high-speed signal recording,with a crucial 1 ms time resolution,is a standout feature,making it an indispensable tool for accurate Sequence of Events(SoE)recording and fault analysis.

Engineered for the demanding environment of medium-voltage networks,the ABB 1MRK000508-BDR04 module is a testament to reliability and safety.It incorporates central galvanic separation,a critical feature that insulates the sensitive control electronics from the high-voltage noise and transients of the power system.This protection ensures the integrity of the data and the longevity of the equipment,even in the most challenging electrical conditions.Its modular design allows it to be seamlessly integrated into the REF 54x unit,providing system engineers with the flexibility to scale the number of binary inputs as required for a particular application.This makes the 1MRK000508-BDR04 a cornerstone for building a highly reliable,scalable,and intelligent substation automation system.

Technical Specifications

Parameter Name Parameter Value

Product Model 1MRK000508-BDR04(Main Module)&1MRK000007-21(PC Board)

Manufacturer ABB

Product Type Binary Input Module PC Board

Compatible Systems ABB REF 54x Series of Feeder Terminals

Number of Inputs Up to 32 binary inputs(configuration-dependent)

Input Voltage 24VDC or 220-250VDC(variant-dependent)

Time Resolution 1 ms for event recording(Sequence of Events)

Isolation Central galvanic separation of system inputs

Operating Temperature-25°C to+70°C

Enclosure Rating IP20

Country of Origin Sweden

Application Substation Automation,Power Systems Protection

Installation Internal component,installed in a REF 54x chassis

Export to Sheets

Main Features and Advantages

The ABB 1MRK000508-BDR04 module,with its associated 1MRK000007-21 PC board,is a product engineered for peak performance and unwavering reliability in critical power system applications.One of its most significant features is the high-resolution time stamping of binary events,with an impressive 1 ms time resolution.This capability is paramount for post-fault analysis in a substation.When a fault occurs,the module’s precise time stamping allows engineers to reconstruct the exact sequence of events,from a circuit breaker trip to a protective relay’s operation.This granular level of data is invaluable for accurately identifying the root cause of a disturbance,which drastically shortens outage times and enhances the overall stability and reliability of the power grid.

Another core advantage is the module’s robust design,which includes central galvanic separation.This is not a luxury but a necessity in the harsh electrical environment of a substation.By electrically isolating the low-voltage control circuitry from the high-voltage inputs,the 1MRK000508-BDR04 protects the sensitive electronics from damaging surges,electrical noise,and ground potential differences.This inherent protection enhances the system’s durability and longevity,reducing the risk of component failure and ensuring the integrity of the data it collects.This feature is a key differentiator that ensures the REF 54x platform remains a trusted solution for critical infrastructure.

Furthermore,the 1MRK000508-BDR04 offers exceptional modularity and flexibility.As a plug-in module for the REF 54x bay controller,it allows system integrators to precisely tailor the I/O capacity to the specific needs of a feeder bay.This eliminates the need for oversized,expensive,and unnecessary equipment.This modular approach simplifies system design,reduces initial installation costs,and streamlines maintenance,as a faulty module can be quickly replaced without replacing the entire control unit.This modularity not only adds value at the design stage but also ensures the system can be easily upgraded or adapted in the future,providing a scalable and future-proof solution.

Application Field

The ABB 1MRK000508-BDR04 and 1MRK000007-21 module’s application field is highly specialized and focused on the core operations of the modern power grid.Its primary use is in substation automation and power systems protection.The module is an essential component within the REF 54x series of feeder terminals,which are strategically located within medium-voltage substations.Here,it is responsible for the crucial task of collecting status information from various switchgear components.This includes monitoring the open/closed status of circuit breakers and disconnectors,the position of earthing switches,and the operational status of other protective devices.The module’s high-speed,time-stamped data is then processed by the REF 54x controller to execute protection schemes,control logic,and provide accurate event logging for post-disturbance analysis.

Beyond its role in basic status monitoring,the 1MRK000508-BDR04 is instrumental in implementing sophisticated interlocking and control sequences to ensure the safe and proper operation of the substation.By providing a reliable interface for binary inputs,it enables the REF 54x to enforce safety logic,such as preventing a circuit breaker from closing when a specific disconnector is still open.This is vital for preventing equipment damage and ensuring the safety of personnel.The module is also used in industrial automation for the control of large motors,transformers,and other high-voltage equipment,where its robust design and galvanic isolation are highly valued.In any environment where the reliable acquisition of binary signals is critical to the safety and efficiency of a power system,the 1MRK000508-BDR04 is an indispensable component.

Related Products

The 1MRK000508-BDR04 is a component of a larger system.Here are some related products that are often used in the same system:

1MRS750587:The main ABB REF 545 bay controller,which houses the 1MRK000508-BDR04 and other modules.

1MRK000508-CDR03:A different variant or revision of the same binary input module,which may have a different input voltage or number of channels.

1MRK000508-BBR00:Another version of the input module,highlighting the modularity of the REF 54x system.

1MRK000005-392:A companion PC board for a different version of the input card,similar to how the 1MRK000007-21 works with the 1MRK000508-BDR04.

SPA-ZC 400:A communication adapter that enables the REF 54x to communicate with higher-level systems using the IEC 61850 protocol.

SPA-ZC 302:A Profibus DPV1 adapter,showing the versatility of the REF 54x platform to support multiple communication standards.

Installation and Maintenance

Pre-installation preparation:Before installing the ABB 1MRK000508-BDR04 module,it is absolutely essential to de-energize and lock out the entire bay controller and associated switchgear to prevent any risk of electrical shock.This module is sensitive to electrostatic discharge(ESD),so proper anti-static handling procedures,including the use of a grounded wrist strap and an ESD-safe workspace,must be followed.The 1MRK000508-BDR04 is a plug-in PC board designed to fit into a specific slot within the REF 54x chassis.The slot should be clean and free of debris.Ensure that the module is correctly aligned with the backplane connector before applying gentle and even pressure to seat it firmly in place.Refer to the specific technical manual for the REF 54x unit for detailed installation instructions and wiring diagrams.

Maintenance recommendations:The ABB 1MRK000508-BDR04 is designed for a long,maintenance-free operational life.However,regular preventative maintenance of the entire substation automation system is recommended.This should include a periodic visual inspection of the module and its connections to check for dust buildup,loose wiring,or signs of physical damage.The module’s performance is monitored by the main REF 54x controller,which can provide diagnostic information in the event of a fault.Any troubleshooting or replacement should only be performed by personnel who are specifically trained and certified on ABB’s substation automation equipment,and only with genuine ABB parts to ensure the integrity and safety of the system.

Product Guarantee

We are committed to providing the highest quality and reliability for the ABB 1MRK000508-BDR04 and 1MRK000007-21 modules.Every unit is subjected to a rigorous testing process to ensure it meets the demanding specifications required for power systems protection.We guarantee that our products are 100%functional and free from defects,offering you complete peace of mind in your purchase.Our commitment extends to providing comprehensive technical support and a robust warranty,ensuring you have the resources and assistance needed to maintain the critical functions of your substation.By choosing our certified products,you are not just acquiring a component;you are securing a commitment to long-term reliability,safety,and a partnership dedicated to supporting your operational success.

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