This manual provides operating instructions, configuration settings, and Modbus command details for the USR USR-IO424T-CAT1 IoT IO module.
The USR USR-IO424T-CAT1 is an IoT module supporting 4 relay outputs, 4 dry/wet compatible inputs, 2 analog inputs, and 1 PT100 temperature input. It supports active reporting via the Yoren Cloud platform, TCP/Client connections, and Modbus RTU/TCP protocols. The device operates in Host or Slave modes and includes features like hardware watchdogs and remote firmware upgrades via FTP or serial port. This manual is written in Chinese.
| Relay Outputs | 4 channels |
|---|---|
| Digital Inputs | 4 channels |
| Analog Inputs | 2 channels |
| Temperature Input | 1 channel PT100 |
| Condition Control Commands | 8 channels |
| Function Codes | 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x0F, 0x10 |
| Power Supply Protection | Overcurrent, Overvoltage, Reverse Polarity |
The module supports two working modes: Host mode and Slave mode.
The device supports firmware upgrades via FTP remote connection or local RS485 serial port.
Yes, it supports active reporting following the Yoren Cloud active reporting protocol.