The ABB 1MRK002311-AAR02 is a specialized communication and interface module designed for the RELION 670 and 650 series protection and control relays. It facilitates high-speed data exchange and provides the necessary physical interface for various communication protocols within a substation automation system.

Technical Specifications & Parameters

Product Technical Description

The 1MRK002311-AAR02 acts as a bridge between the primary protection logic and the station bus. Key technical functions include:

• Sampled Values Integration: Supports the transmission and reception of digitalized analog values according to the IEC 61850-9-2 standard, enabling "Digital Substation" architectures.

• Galvanic Isolation: Provides superior electromagnetic interference (EMI) immunity by using optical fibers, which is critical in high-voltage environments.

  
  

• Time Synchronization: Supports high-precision time stamping (IEEE 1588 / PTP) to ensure that event logs and protection trips across different relays are perfectly synchronized.

• Redundancy Support: Compatible with Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR) to ensure zero-loss communication during network failures.

Country of Origin

The 1MRK002311-AAR02 is engineered and manufactured in Sweden.

Common Questions & Answers (Q&A)

Q: Can this module be used for line differential communication?A: While it handles station bus communication, specific LDCM (Line Differential Communication Modules) are usually required for direct relay-to-relay protection signaling over long distances. This module is primarily for station-level integration.

Q: Is it possible to replace the SFP transceiver on this board?A: Yes, the module is designed to accept different SFP (Small Form-factor Pluggable) transceivers to match the specific fiber distance and connector type required for your site.

Q: Does it require manual addressing?A: No, the IP addressing and technical parameters are configured via the PCM600 (Protection and Control IED Manager) software.

Q: What happens if the optical link is lost?A: The relay will trigger a "Communication Fail" alarm. If configured for PRP/HSR, the secondary link will take over instantly without interrupting protection functions.