Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ABB REG670 1MRK002826-AG |
| Brand | ABB |
| Product Series | Relion 670 series |
| Product Type | Generator Protection and Control IED |
| Application | Generator, generator-transformer unit, and synchronous motor protection |
| Analog Current Inputs | Rated current Ir = 1 A or 5 A |
| Analog Voltage Inputs | Rated voltage Ur = 100-120 V |
| Auxiliary Power Supply | Variant-dependent; documented ranges include 24-60 VDC, 48-125 VDC, and 110-250 VDC |
| Protection Functions | Generator and transformer differential, stator and rotor earth-fault, out-of-step/pole-slip, overexcitation, thermal overload, reverse power, and low forward power |
| Control Functions | Logic elements, interlocking, and configurable control functions |
| Communication Protocols | IEC 61850 Ed. 1, IEC 61850 Ed. 2, GOOSE, Modbus, DNP3, IEC 60870-5-103 |
| Engineering Software | ABB PCM600 |
| Mounting | Flush mounting, 19 in rack mounting, or projection mounting |
| Rack Size | Configuration-dependent; examples include 1/1 x 19 in and 3/4 x 19 in |
| Operating Temp | -25 deg C to +55 deg C |
| Weight | Configuration-dependent; not specified in the supplied data |
| Dimensions | Configuration-dependent; not specified in the supplied data |
| Power Consumption | Configuration-dependent; not specified in the supplied data |
| Origin | ABB product; manufacturing location is configuration/order dependent |
IEC 61850, Backplane and I/O Integration
The REG670 uses ABB’s Relion 670 platform for protection, control, measurement, and communication processing. IEC 61850 supports substation communication, while GOOSE provides peer-to-peer event and status exchange between compatible IEDs.
Furthermore, the configurable hardware architecture allows the IED to accommodate different analog input, binary I/O, communication, and power-supply arrangements. The exact I/O complement depends on the ordered hardware configuration.
PCM600 provides configuration and parameterization functions for the IED. Therefore, the installed hardware and software configuration should match the corresponding PCM600 project and application configuration.
Frequently Asked Questions
Q: What auxiliary supply voltage can the REG670 accept?
A: The supplied data identifies configuration-dependent DC variants, including 24-60 VDC, 48-125 VDC, and 110-250 VDC. The exact range must be verified against the nameplate and order configuration.
Q: Does the REG670 support IEC 61850 communication?
A: Yes. The supplied specifications identify IEC 61850 Ed. 1 and Ed. 2 support, including GOOSE communication.
Q: Can the exact I/O configuration be determined from 1MRK002826-AG alone?
A: Not from the supplied information. Exact binary I/O counts, terminal assignments, communication options, and software functions require the matching ABB order confirmation or technical documentation.
Field Installation Guidelines
- Verify the complete ABB REG670 1MRK002826-AG configuration against the project documentation before installation.
- Confirm the auxiliary DC supply range from the actual device nameplate before energizing the unit.
- Match CT and VT wiring with the configured rated current and voltage inputs.
- Maintain correct CT polarity and phase identification throughout the protection circuit.
- Route CT, VT, binary, and communication wiring separately where practical to reduce unwanted coupling.
- Terminate cable shields according to the approved substation grounding design and ABB installation documentation.
- Use the specified mounting arrangement and maintain sufficient access for terminal wiring and maintenance.
- Verify protective earth continuity before applying auxiliary power.
- Check communication parameters and IEC 61850 configuration before connecting the IED to the station network.
- Load only firmware and configuration packages compatible with the installed REG670 hardware revision.
- Perform secondary injection and functional testing after wiring verification and before placing the protection scheme into service.
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