433MHz Wireless Modem Modbus RTU E821-DTU-2I2-400SL Ebyte 0~20mA Remote Control Industrial RS485 Interface Built-in Watchdog

433MHz Wireless Modem Modbus RTU E821-DTU-2I2-400SL Ebyte 0~20mA Remote Control Industrial RS485 Interface Built-in Watchdog

• E821-DTU (2I2-400SL) is a remote control device that supports analog follow and control acquisition functions. It supports wireless Modbus RTU protocol in control acquisition mode.
• The device is simple to use, and users can easily and quickly integrate into their own systems to achieve remote control based on the 433MHz frequency. The analog output of the receiving end can follow the analog input of the sending end. After being configured as a two-way follow, the analog output of the sending end can follow the analog input of the receiving end.
• Support 2 analog inputs, default current detection; Support 2 analog output, default current output; Support the remote transmission of analog data via 433MHz wireless; Support analog follow and control acquisition;.
• Support 4 working modes: follow launch, follow receive, control acquisition, configuration mode; Support two-way follow mode; Support non-native modbus address forwarding function; The control acquisition mode adopts Modbus RTU protocol data processing.
• Support Reset touch button, long press for 5s to configure device address to restore factory settings; Built-in watchdog, with high reliability; 3 two-color indicator lights show working status.