ABB REC670 1MRK002814 | Substation Bay Control and Protection Spare

• Model: REC670
• ABB Part Number: 1MRK002814
• Common Ordering Variant: 1MRK002814-AB / 1MRK002814-AC / other configuration-specific suffixes
• Brand: ABB
• Series: Relion 670 Series
• Part Type: Bay Control Intelligent Electronic Device (IED)
• Core Function: Controls, protects, monitors, and supervises electrical bays in power networks.
• Key Specs: REC670 is a bay-control IED supporting configurable protection, control, monitoring, station communication, and time-synchronization functions. ABB documentation identifies REC670 as a bay-control product within the Relion 670 platform.

Product Introduction

A failed bay-control IED can affect considerably more than a single measurement channel. In a substation, the ABB REC670 sits at the protection and control layer, handling functions associated with circuit breakers, disconnectors, interlocking, monitoring, and station-level communication.

ABB’s product documentation identifies REC670 as a Bay Control IED, while the 670-series product definition shows configurable functions covering control, protection, monitoring, scheme communication, station communication, and time synchronization.

The important procurement point is the suffix. 1MRK002814 identifies the REC670 product family, but a complete ordering number such as 1MRK002814-AB or 1MRK002814-AC defines a particular configuration/version. A replacement should therefore match the complete ordering code rather than stopping at the base number.

Core Technical Specifications

ABB REC670 1MRK002814

The product definition demonstrates that the unit is highly configurable; ordering-code positions determine functions such as power supply, HMI, analog system, binary I/O, and station communication.

Application Scenarios & Pain Points

At a transmission or distribution substation, bay control must remain coordinated with protection and switching equipment. is designed for this role, combining bay-control functions with configurable protection and monitoring capabilities.

Substation bay control: can control circuit breakers, disconnectors, and grounding switches while supporting interlocking and related control logic.

High-voltage switchgear: The 670-series architecture is suited to complex switchgear arrangements, where reliable status acquisition and breaker/disconnector control are critical.

IEC 61850 substations: Applicable configurations can use IEC 61850 station-bus communications, including GOOSE messaging, for fast peer-to-peer substation signaling.

Legacy protection replacement: For an installed system, maintaining an exact configuration-specific spare can be preferable to attempting an unverified generic replacement (especially when the original configuration contains customized protection and control functions).

Common Error Codes & Diagnostic Symptoms

diagnostics are configuration- and firmware-dependent, so generic numeric fault codes should not be attributed to every 1MRK002814 variant.

• Symptom/Code: Self-supervision / hardware fault indication → Diagnosis: Check the diagnostic menu, module status, power supply, internal hardware, and communication interfaces → Action: Isolate the failed hardware section and replace the complete IED if the diagnostic procedure confirms an internal failure.
• Symptom/Code: Communication failure / IEC 61850 station-bus alarm → Diagnosis: Check Ethernet links, SFP/interface hardware where applicable, network configuration, time synchronization, and station-bus diagnostics → Action: Resolve the network layer first; replace the only if the fault is localized to the IED.
• Symptom/Code: Breaker/disconnector control unavailable → Diagnosis: Check binary I/O status, interlocking logic, control authority, auxiliary contacts, wiring, and configuration → Action: Correct the external/control logic fault or replace the IED if hardware diagnostics identify an internal failure.

Cross-Reference & Lifecycle Migration

• Base product: / 1MRK002814.
• Configuration suffix: The complete number is critical. 1MRK002814-AB and 1MRK002814-AC should not automatically be treated as interchangeable.
• Documented example: ABB product documentation identifies Version 1.1 with ordering number 1MRK002814-AB.
• Version differences: Later product versions have different ordering configurations. The replacement should match the installed hardware and firmware generation.
• Firmware: Firmware compatibility must be checked against the exact version and configuration. Do not assume that a newer firmware package can be loaded onto every legacy unit.
• Configuration restoration: Before replacement, back up the active configuration, protection settings, logic, communication parameters, and HMI configuration where applicable.
• Lifecycle: is legacy/installed-base protection and control equipment within the Relion 670 family. For critical substations, an exact tested spare is valuable for minimizing outage duration.
• Migration: When migrating to a newer ABB protection platform, document the existing I/O map, control logic, interlocking, protection settings, and IEC 61850 data model before decommissioning the .

Field Engineer’s Tech Notes

Warning 1 — Do not stop at “.” The base model is not enough for a replacement order. Check the complete 1MRK002814-XX ordering code, hardware version, power supply, I/O configuration, communication interfaces, and firmware. (Two units can look similar while having materially different configurations.)

Warning 2 — Back up the configuration before removing the IED. Protection settings and control logic are part of the functional asset. A physically correct replacement without the correct configuration is not necessarily a functional replacement.

Strict QA & Testing SOP

1. Part verification — Confirm / 1MRK002814 and the complete suffix.
2. Nameplate inspection — Record ordering number, product version, serial number, and hardware revision.
3. Configuration verification — Compare power supply, I/O, HMI, communication, and functional configuration with the original.
4. Physical inspection — Examine housing, terminals, connectors, display/HMI, and communication interfaces.
5. ESD inspection — Handle electronic assemblies using appropriate ESD controls.
6. Power-up test — Apply the specified auxiliary supply on a compatible test platform.
7. Self-supervision test — Confirm that the IED starts without internal hardware alarms.
8. HMI test — Check display, keypad, LEDs, and local control functions where fitted.
9. Binary I/O test — Verify representative input and output channels against the documented configuration.
10. Analog test — Where applicable, inject calibrated signals and verify measurement accuracy.
11. Protection-function test — Test the configured protection functions using an approved relay test set.
12. Control test — Verify breaker/disconnector commands, interlocking, and control authority.
13. IEC 61850 test — Where applicable, verify station-bus communication and GOOSE operation.
14. Time synchronization test — Confirm the configured time source and synchronization status.
15. Configuration restoration — Load and verify the correct project/settings only after hardware compatibility has been confirmed.
16. Extended run test — Monitor diagnostics and communication for intermittent faults.
17. Final QA record — Record serial number, hardware revision, configuration, test results, and photographs.
18. ESD packaging — Use anti-static packaging plus appropriate mechanical protection.
19. Test evidence — Test videos can be provided when available, including powered startup, I/O, protection, and communication testing.

Buyer’s FAQ

Q: What is ABB 1MRK002814?
A: is a Bay Control IED in ABB’s Relion 670 family, designed for protection, control, monitoring, and station communication in electrical power networks.

Q: Is 1MRK002814 the complete ordering number?
A: Not necessarily. 1MRK002814 is the base article number. A suffix such as -AB or -AC identifies a specific configuration/version and should be matched when purchasing a replacement.

Q: Is only a protection relay?
A: No. Its primary product classification is Bay Control IED. Depending on configuration, it combines bay control, protection, monitoring, interlocking, and station communication functions.

Q: Does support IEC 61850?
A: Applicable configurations support IEC 61850 station-bus functionality, including GOOSE-based communication. The exact communication options depend on the ordering configuration and product version.

Q: Can I hot-swap a ?
A: Do not assume live replacement is permitted. A is an integrated protection and control IED, so replacement should follow the applicable substation maintenance procedure, including isolation and protection-system risk controls.

Q: How do I verify a New Original ?
A: Request photographs of the complete 1MRK002814-XX ordering number, serial number, hardware revision, HMI, and nameplate. For a critical protection spare, request a powered functional-test report or video.

Q: What warranty should I request?
A: Have the supplier state whether the IED is New Original, New Surplus, refurbished, or previously installed, and specify the warranty period, configuration status, and functional-test coverage in writing.