Details
1MRK002247-APr01 PCB card
Product manual:
PRODUCT MODEL
1MRK002247-APr01
product type
Printed Circuit Board module
Manufacturer
ABB
scope of application
Function expansion module used in ABB relay protection and automation equipment, commonly found in 670 series relay protection devices such as REL670, REF670, RET670 and other intelligent electronic devices.
1、 Function Overview
Signal input/output interface
As a signal bridge between protective equipment and external field devices (such as circuit breakers, sensors, alarms, etc.), responsible for collecting or outputting control signals.
Signal conversion and isolation
Capable of signal electrical isolation, protecting the main control unit from external interference, and improving system stability and safety.
Auxiliary control function
Support auxiliary operations such as relay driving and alarm indication, and cooperate with the main control board to achieve protection and control logic.
Expansion module interface
Used to expand I/O channels, improve the control capability and on-site adaptability of protection devices.
2、 Typical application areas
Digital relay protection device
Mainly installed in ABB 670 series relay protection equipment, it works together with the main control module to complete the power grid protection task.
Automated Substation System
As a signal interface board within the control screen, it assists in implementing functions such as circuit breaker control, status monitoring, and alarm processing.
Industrial power automation
Used for relay protection and automation systems in power plants and substations to ensure reliable connection between equipment and on-site signals.
3、 Technical features
Industrial grade PCB design, suitable for harsh power environments
Multi layer structure, high signal integrity
Equipped with electrical isolation function, effectively suppressing electromagnetic interference
Modular structure, convenient for installation and maintenance
Compliant with electrical equipment standards such as IEC 60255
Product details picture:

1MRK002247-APr01
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