Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | REC670 1MRK000008-NB |
| Brand | ABB |
| Product Type | Bay Control IED |
| Series | Relion 670 series |
| Origin | Sweden |
| Weight | 4 kg |
| Dimensions | 29 x 22 x 10 cm (estimated shipping size) |
| Operating Temp | -25 deg C to +70 deg C |
| Power Consumption | <= 15 W |
| Operating Voltage | 48-250 VDC or 110-240 VAC |
| Display Type | 5.7 inch TFT LCD |
| Display Resolution | 320 x 240 pixels |
| Input Method | 6 tactile keys with navigation wheel |
| Communication Port | RS-485 rear port for direct relay connection |
| Communication Protocols | IEC 61818 MMS/GOOSE, Modbus RTU |
| Tariff Code | 8537101190 |
| Shipment Location | Xiamen, China |
ABB Relion 670 Series Communication and Control Features
The REC670 integrates bay-level control functions with IEC 61850 communication services. It exchanges control commands, measurement data, and status information through MMS and GOOSE messaging.
Furthermore, the relay supports RS-485 communication at the rear interface for direct connection with external systems. Modbus RTU communication provides additional compatibility with conventional substation monitoring networks.
The unit uses a 5.7 inch TFT LCD display with local navigation controls. Therefore, operators can access relay status, control objects, and measured values through the front panel interface.
For ABB industrial control platforms, the REC670 supports backplane bus communication principles, Profinet and EtherNet/IP deterministic network concepts, and I/O density scaling methods used in modern automation architectures. The IEC 61850 communication structure enables structured data exchange between protection, control, and station-level systems.
Frequently Asked Questions
Q: What communication protocols does the REC670 1MRK000008-NB support?
A: The REC670 supports IEC 61850 MMS/GOOSE and Modbus RTU communication. It also provides an RS-485 rear port for direct relay connection.
Q: What power supply range does the REC670 require?
A: The relay accepts 48-250 VDC or 110-240 VAC operating voltage input.
Q: Can the REC670 operate in outdoor substation environments?
A: The unit is specified for an operating temperature range of -25 deg C to +70 deg C. Installation should follow ABB enclosure, grounding, and environmental requirements.
Field Installation Guidelines
- Install the REC670 inside a suitable protection and control cabinet with correct mechanical support.
- Connect the power supply according to the specified voltage range and verify polarity before energization.
- Use shielded communication cables for RS-485 connections and terminate the network according to industrial communication standards.
- Separate communication wiring from high-voltage power cables to reduce electromagnetic interference.
- Connect protective earth according to the cabinet grounding design before applying auxiliary power.
- Verify IEC 61850 network configuration, GOOSE communication mapping, and relay firmware compatibility before commissioning.
- Confirm front panel operation, communication status, and configured control functions during site testing.
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