RET670 1MRK004816-CC ABB Relion 670 Transformer Protection IED
Manufacturer: ABB
-
Part Number: RET670 1MRK004816-CC
Condition：New with Original Package
Product Type: Protection Control IEDs
-
Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB RET670 1MRK004816-CC Relion 670 Series Transformer Protection and Control IED
The ABB RET670 1MRK004816-CC, also cataloged as the RET670 Transformer Protection and Control IED, operates as a dedicated hardware component for transformer differential protection and advanced monitoring within 800 Series control networks. The physical unit digitizes multi-channel current transformer (CT) and voltage transformer (VT) analog signals, executing sub-millisecond trip decisions and automated breaker controls via internal logic boards while tracking thermal trends.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RET670 (Order Code: 1MRK004816-CC) |
| Brand | ABB |
| Origin | Switzerland / China |
| Weight | 14.5 kg |
| Dimensions | 12.7 x 7.6 x 17.8 cm |
| Operating Temp | -40 deg C to +70 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Power Consumption | Powered via station auxiliary voltage |
| Protection Functions | Transformer differential, restricted earth fault, overcurrent, over/undervoltage, frequency, thermal overload, inrush detection |
| Inputs/Outputs | Multiple CT/VT inputs, configurable binary inputs/outputs |
| Communication Protocols | IEC 61850 Ed.1 & Ed.2, GOOSE, IEC 61850-9-2 LE, Modbus, DNP3, IEC 60870-5-103 |
| Network Redundancy | PRP/HSR Ethernet redundancy, RSTP self-healing ring |
| Control Functions | Breaker and disconnector control, interlocking, synchrocheck |
| Humidity Range | 5% - 95% non-condensing |
| Certifications | IEC, RoHS, EMC directives, TUV |
Industrial Control & Network Determinism Profiles
The protection hardware communicates over Profinet / EtherNet/IP deterministic networks and native IEC 61850 digital substation architectures. The embedded communication processing unit handles dual-channel Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR) loops to ensure zero-packet loss during single-cable physical physical disruptions. High-density I/O density scaling maps incoming raw samples into internal GOOSE data frames within 1 ms, while internal flash memory profiles verify firmware flash compatibility across all active control slots during system boot.
Frequently Asked Questions
Q: How does the RET670 firmware manage flash compatibility when importing legacy IEC 61850 Ed.1 configuration blocks into an Ed.2 environment?
A: The Relion 670 internal operating system features a dual-mode parser that resolves version deviations natively on the backplane bus, maintaining full protocol alignment without down-grading speed parameters.
Q: What is the maximum physical switching latency of the binary output relays during a differential trip?
A: The high-speed binary output paths break circuit contact constraints in less than 1 ms following logic actuation, feeding direct trip commands to the circuit breaker trip coils.
Q: Does the unit support live extraction from its housing during routine testing?
A: The draw-out mechanical design allows technicians to pull the active chassis out from the outer case block, automatically short-circuiting the CT secondary paths to prevent dangerous open-circuit voltage spikes.
Field Installation Guidelines
Mount the draw-out enclosure assembly securely into the panel chassis cutout or rack matrix frame, tightening all external perimeter hardware to maintain structural integrity. Route all high-voltage CT and VT secondary wiring to the terminal blocks at the back of the case, checking that all terminal screws are securely driven home to keep contact resistance as low as possible.
Engineers must lay all low-voltage binary control lines, communications wiring, and station bus fiber optic cables inside separate, grounded steel wireways away from primary power cables to prevent electromagnetic noise coupling. Bond the main enclosure ground stud to the primary station earth bar with a short, thick copper strap. Verify that room ventilation keeps the local environment inside the cabinet within the mandatory -40 deg C to +70 deg C limits before running active trip tests.