This document is a user manual for a certain brand of mobile phone. It introduces the features and characteristics of the phone, and provides some usage methods.
The document provides an overview of the switch input/output module, including its communication options (Modbus or custom protocol), isolation features, and power protection. It explains the module’s ability to collect and control digital signals via an RS‑485 bus and its compatibility with DIN‑rail installation.
Detailed sections cover installation dimensions for M and N series, wiring diagrams for RS‑232 and RS‑485 interfaces, LED indicator meanings, and troubleshooting steps for power and communication issues. This manual is written in Chinese.
| Communication protocol | Modbus or custom protocol |
|---|---|
| RS‑485 isolation voltage | 3000 V optical isolation |
| Power input voltage | 12 V ~ 60 V DC |
| Supported baud rates | 300 ~ 115200 bps (default 9600 bps) |
| I/O channels | 12 input/output channels (M series) |
| Operating temperature | -25 °C ~ 70 °C |
| Humidity range | 5 % ~ 95 % (no condensation) |
| RS‑485 surge protection | 600 W surge protection |
It indicates that the module has no power connection; check that the power cable is plugged in and the wiring is correct.
The RS‑485 port includes 3000 V optical isolation for effective separation from the bus.