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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | RDCU-02C |
RDCU-02C 64607901 ABB Relion® 650/670 series protection devices distributed communication control units
ABB RDCU-02C is a Distributed communication and control unit (Remote Distributed) specifically designed for Relion® 650 and 670 series multi-functional protection relays (such as REF650, REM650, REB650, RED670, etc.) (Communication Unit). As an intelligent expansion node of the main protection device, RDCU-02C not only provides additional digital input/output (DI/DO) channels, but also supports IEC 61850 GOOSE communication, achieving high-speed interlocking, state sharing and distributed automation logic.
Technical parameters
| Model Name | RDCU-02C |
| ABB Order Code | 64607901 |
| Product Type | Remote Digital Control Unit (Distributed I/O & Bay Controller) |
| Product Family | ABB Relionﾂｮ (Part of Ability邃｢ eMine or Substation Automation portfolio) |
| Primary Function | Remote control, monitoring, and interlocking of circuit breakers, disconnectors, and auxiliary devices in MV/HV switchgear |
| Communication Protocol | IEC 61850 Edition 2 (GOOSE, MMS, SV), Modbus RTU/TCP (optional) |
| Mounting Location | Local to switchgear bay (cubicle or outdoor enclosure) |
| Digital Inputs (DI) | Up to 32 isolated inputs (24 V DC or 110/220 V DC, configurable) |
| Digital Outputs (DO) | Up to 16 high-power relay outputs (250 V AC/DC, 5 A, make/break rated) |
| Analog Inputs (AI) | Optional via add-on modules (e.g., temperature, position feedback) |
| Interlocking Logic | Built-in programmable logic (IEC 61131-3 compliant) for safety interlocks |
| Time Synchronization | IRIG-B, SNTP, IEEE 1588 PTP (Precision Time Protocol) |
Product Images
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