Description
The ABB REC670 (Catalog / Ordering Code: 1MRK004814-AC) is an advanced, high-performance modular Bay Control and Protection IED (Intelligent Electronic Device) belonging to ABB’s acclaimed Relion 670 series. Engineered primarily for high-voltage substation automation, generator and transformer bay control, and complex busbar switching applications, the REC670 combines robust numerical protection, sophisticated interlocking logic, and comprehensive local/remote control functionality into a single powerful platform.
Product Datasheet
| Parameter | Specification |
| Brand | ABB |
| Model / Series | REC670 Substation Automation & Protection Family (670 Series) |
| Full Ordering Code | 1MRK004814-AC (Configuration / Hardware Variant dependent) |
| Product Type | Bay Control and Protection Intelligent Electronic Device (IED) |
| Display & HMI | Large graphical local Human-Machine Interface (HMI) with customizable single-line diagrams (SLD) |
| Communication Protocols | IEC 61850 (Editions 1 & 2 with GOOSE messaging), DNP3, IEC 60870-5-103, and LON/SPA |
| Auxiliary Power Supply | Universal wide-range DC/AC auxiliary power supply (typically 48–250V DC / 100–240V AC) |
| Physical Design | Modular 19-inch rack-mountable or flush-mounted hardware chassis with plug-in I/O modules |
Initial Operation Checklist
✓ Verify that the switchgear cutout panel or 19-inch equipment rack is clean, mechanically secure, and properly grounded before mounting the REC670.
✓ Inspect all rear terminal blocks, binary I/O wiring, analog transformer (CT/PT) connections, and communication ports for secure termination and correct polarity.
✓ Confirm that auxiliary control power supply voltages fall strictly within nominal operational thresholds prior to energizing the device.
✓ Connect a configuration PC via the front USB port to verify settings, check communication addresses, and validate the bay configuration file using ABB PCM600.
✓ Monitor front-panel display indicators and startup diagnostics during power-up to confirm successful self-test clearance and hardware readiness.
Routine Maintenance
⚙ Periodically inspect rear terminal screws and wiring harnesses to ensure continuous tightness against heavy substation switching and environmental vibrations.
⚙ Clean the front graphical HMI display panel gently using a soft, dry, lint-free cloth.
⚙ Review relay event logs, disturbance records, trip counters, and circuit breaker operational health metrics via PCM600 or the local web/HMI interface.
⚙ Verify fiber-optic and Ethernet communication link integrity to maintain robust substation automation and IEC 61850 network reliability.
Troubleshooting & Common Issues
⚡ Display Blank / Power Failure: Check auxiliary supply voltage rails, inspect input fuse links, and ensure internal power module seating is secure.
⚡ IEC 61850 / SCADA Communication Timeouts: Verify IP address settings, check network switch connectivity, inspect fiber-optic/Ethernet cables, and validate GOOSE subscription mappings.
⚡ Interlocking or Bay Control Block: Access event logs via PCM600 to analyze pre-fault binary status inputs, interlocking equations, and active switchgear authorization logic.
Safety Precautions
⚠ Always isolate, lock out, and tag out auxiliary power supplies and external tripping circuits before extracting, servicing, or wiring the IED.
⚠ Observe strict electrostatic discharge (ESD) safety protocols—such as wearing a grounded wrist strap—when handling internal electronic components or plug-in modules.
⚠ Never open current transformer (CT) secondary circuits while primary power is active to prevent dangerous, high-voltage open-circuit hazards.
⚠ Strictly comply with local electrical safety codes, utility operating rules, and manufacturer instruction manuals during all installation and testing procedures.
Frequently Asked Questions (Q&A)
Q: What is the primary application of the ABB REC670?
A: It is designed for comprehensive bay control, monitoring, and backup protection in high-voltage and extra-high-voltage (EHV) substations, managing circuit breakers, disconnectors, and earthing switches.
Q: Does the REC670 support digital substation protocols?
A: Yes, it features native support for IEC 61850, allowing seamless peer-to-peer GOOSE communication and integration into advanced substation automation systems (SAS).
Q: How is the REC670 configured and monitored?
A: It is configured and managed using ABB’s PCM600 (Protection and Control IED Manager) software toolset via the front USB port or back-panel Ethernet interfaces.
