ABB REC650 1MRK008514-BB Bay Control Relays

Configured for local and remote control of up to 8 primary apparatus in electrical power systems, the ABB REC650 1MRK008514-BB (REC650 Bay Control Relay) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

Hardware Specifications

Profinet / EtherNet/IP Deterministic Networks

• Backplane Bus Communication Velocity Licences: Manages high-speed internal bus transaction velocities and internal processor communication slots.
• Profinet / EtherNet/IP Deterministic Networks: Executes deterministic data packet transfers, featuring IEC 61850 compliance and station-wide interlocking using GOOSE.
• I/O Density Scaling: Supports ready-made application configurations and additional glue logic modules for expanded I/O and control loops.
• Firmware Flash Compatibility: Permits secure firmware upgrades and web-based parameterization without compromising base bay control logic parameters.

Frequently Asked Questions

Q: Does the REC650 1MRK008514-BB unit support hot-swapping of internal modules during operation? A: Hot-swapping is restricted for primary bay control relay units to prevent unintended switching or interruption of primary apparatus control.

Q: What primary apparatus control capacity does this relay support? A: The device is designed for the local and remote control of up to 8 primary apparatus.

Field Installation Guidelines

• Mount the bay control relay enclosure securely into standard 19-inch electrical protection panels using appropriate structural fasteners.
• Connect the protective ground terminal directly to the substation grounding mesh using low-impedance copper conductors to ensure electromagnetic compatibility.
• Route communication cabling, including IEC 61850 compliant network lines, through dedicated metallic conduits, maintaining spatial separation from high-voltage primary circuits.