DSI 5111 is a new type of plant integrated automation product launched by Beijing Tianneng Protection Electric Power Technology Co., Ltd. This series of products has the following main features: comprehensive and efficient implementation of IEC 61850 communication protocol, leading protection, control function graphic programmable configuration implementation method, high-performance software and hardware platform, rich and flexible automation functions, large screen, indicator light programmable friendly human-machine interface and extremely strong anti-interference performance.
This manual provides a complete overview of the DSI 5111 line protection and measurement unit, including its main functions, hardware architecture, and communication capabilities. It details the device’s compliance with IEC 61850 and IEC 60870‑5‑103 protocols and explains how to configure protection settings and perform diagnostics.
The document also covers practical usage instructions, such as wiring diagrams, power‑up procedures, troubleshooting, and maintenance guidelines. Safety, environmental limits, and storage‑warranty information are included to ensure reliable operation in harsh industrial environments. This manual is written in Chinese.
| Rated DC voltage | 220 V or 110 V (order specified) |
|---|---|
| Rated AC voltage | 100/3 V or 100 V |
| Rated AC current | 5 A or 1 A (order specified) |
| Frequency | 50 Hz |
| Power consumption (normal) | < 10 W |
| Output contact capacity | 5 A at 220 V DC |
| Working power supply | 220 V or 110 V DC, ±20 % tolerance |
| Protection current range | 0.1 In – 20 In |
It is suitable for line voltages up to 35 kV.
It supports dual Ethernet and the IEC 61850 and IEC 60870‑5‑103 protocols.
Normal power consumption is less than 10 W.
Each contact can handle 5 A at 220 V DC continuously.