4-channel switch input acquisition remote I/O controller

Industrial grade 4-channel switch quantity acquisition and control module, supporting Modbus RTU commands, built-in optocoupler isolation protection, supporting the acquisition of switch quantities

　　 4-channel DI/DO, remote control relay output, DO output RS485 communication, providing 1-on-1 manual technical support to assist engineers in development

　　 Basic functions:

　　 1、 Switching/relay communication via RS485

　　 2、 The upper computer or configuration software reads 485 to COM port communication

　　 3、 Remote control RTU to collect switch values, built-in relay DO output

　　 4、 Action and support cooperation with switch type sensors, input triggers alarm linkage relay

　　 5、 Control function, supports collecting 4-channel switch input and controlling 4-channel switch output

　　 Hardware specifications:

　　 1. Anti crash software, hardware level dual watchdog

　　 2. 5~35V power supply with anti reverse, overvoltage, and overcurrent protection

　　 3. 4-channel relay with isolated normally open and normally closed output

　　 4. 4-channel optocoupler isolation switch input

　　 5. Configurable high and low inputs

　　 6. High performance, low-power 32-bit ARM embedded CPU

　　 7. Supports Modbus RTU slave protocol

　　 8. Multi channel indicator lights display different working states

　　 9. RS485 communication interface with lightning protection and electrostatic protection

　　 10. Industrial grade temperature range, suitable for a wide temperature range of -40~85 ℃, to cope with harsh on-site environments