This training manual from NARI explains the principles, structure, features and applications of the RCS-985 generator‑transformer protection system.
The RCS-985 training manual is intended for NARI product users and new employees. It provides background knowledge on power system protection, relay principles and the specific configuration of the RCS-985 series.
The document contains chapters on preliminary knowledge, protection configuration principles, protection element operation, hardware platform specifications, device usage instructions, engineering case studies and revision history, giving a comprehensive view of the system’s design and operation. This manual is written in Chinese.
| DC power supply input voltage | 24 V, 110 V, 125 V, 220 V, 250 V |
|---|---|
| Static power consumption | < 35 W |
| Operating power consumption | < 45 W |
| Backup battery type | 1/2AA, 3.6 V, 60 mAh |
| RS‑485 communication interfaces | Four isolated RS‑485 ports, two convertible to fiber |
It follows the IEC 870‑5‑103 communication protocol.
The device provides four isolated RS‑485 interfaces, two of which can be repurposed as fiber‑optic ports.