3.7 Inch Text Display HMI For PLC With RS485 RS232 Serial Port And Cable Included, Supports TP200CN Software And Chinese Input, Lets You Monitor And Edit PLC Registers And Relays As Text Or With Indicator Lights

Compact 3.7in (94 mm) PLC HMI with RS485/RS232
✔️ RS485/RS232 ports with cable; 1 unit pack; view/edit PLC data via text

OP320-A is a compact human-machine interface (HMI) designed for use with PLCs and intelligent controllers that have a serial port. It's commonly mounted in control panels to let operators monitor and edit PLC registers or relay states through simple text or indicator lights. It supports TP200CN software and Chinese input, and data is downloaded to the display from the PLC via serial links such as RS485 or RS232.

✅ 3.7 inch text display
✅ RS485/RS232 serial communication
✅ Cable included
✅ TP200CN software compatibility
✅ Chinese input support
✅ Monitor/edit PLC registers and relays via text or indicator lights
✅ ABS housing with anti-shock design

💡 What is a 3.7 inch text display HMI for PLCs with RS485/RS232 used for?

This handy device gives operators quick visibility and control from the control panel.

- Handy way to view and edit PLC registers and relays via text - Uses TP200CN software and Chinese input for easy setup - Connects over RS485/RS232 without PLC programming