The ABB 1MRK002311-AAr02 serves as a specialized, fiber optic long-range line data communication interface card engineered exclusively for REx670 V1.1 protection relays. It facilitates deterministic, zero-latency remote telemetry and real-time current differential signal synchronization.
Technical Specifications
Brand: ABB
Component Classification: Long Range Line Data Communication Module (LDCM)
Transmission Topology: Point-to-point synchronous fiber optic cabling link
Operational Range: Long-distance optical communication reach across remote bay substations
Power Provision: Derived entirely through host subrack bus infrastructure
Energy Demand: Ultra-low power consumption profile under continuous load
Chassis Integration: Direct slot-in installation on standard relay backplanes
Atmospheric Resistance: Designed to withstand harsh substation electromagnetic environments
Industrial Application Scenarios
This long-range transmission module inserts into bay control systems to create dedicated line differential telemetry links across utility networks, allowing separate geographical substations to safely compare wave vectors and coordinate high-speed transfer-trip logic.
