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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | RMIO-02C |
RMIO-02C 64379160 ABB Programmable I/O expansion module Relion® 615/620 series protection relay
ABB RMIO-02C is a programmable I/O expansion module specifically designed for the Relion® 615 and 620 series multi-functional protection relays (such as REF615, REM615, RET615, REU615, etc.). By connecting to the local I/O bus of the main relay, RMIO-02C can significantly expand the digital input (DI) and digital output (DO) capabilities of the device, meeting the advanced application requirements such as complex interlocking, status feedback, and remote control.
Technical parameters
| Model Name | RDCU-02C |
| ABB Order Code | 64607901 |
| Product Type | Remote Digital Control Unit |
| Product Family | ABB Relion® (Substation Automation) |
| Function | Distributed bay-level control, monitoring, and interlocking for switchgear |
| Digital Inputs (DI) | Up to 32 isolated inputs (24–250 V DC/AC, configurable) |
| Digital Outputs (DO) | Up to 16 high-power relay outputs (250 V AC/DC, 5 A) |
| Communication | IEC 61850 Ed. 2 (GOOSE, MMS), Modbus TCP/RTU (optional) |
| Redundancy | Supports PRP/HSR for zero-recovery-time networks |
| Power Supply | Dual redundant: 24–250 V DC or 100–240 V AC |
| Time Sync | IRIG-B, SNTP, IEEE 1588 PTP |
| Mounting | Panel or DIN-rail mount in local bay cubicle |
Product Images
Related Products
| RMIO-01C | RMIO-02C |
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| RMIO-09C | RMIO-10C |
| RMC615 | RMT615 |
| RME615 | RMA615 |
| RMO615 | RMI615 |
| RMB615 | RMX615 |
| RMF615 | RMS615 |
