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OP320-A HMI (Human-Machine Interface) Panel Display

OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
Hot -29 %
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
OP320-A HMI (Human-Machine Interface) Panel Display
10 or more $23.00
  • Stock: In Stock
  • Model: OP320-A
  • Weight: 0.60kg
  • Dimensions: 30.00cm x 20.00cm x 10.00cm

Available Options

Led Text Display OP320-a Text Viewer Support Rs232/rs422/rs485 Modbus Instead Of Xinje Op320-a/op320-a-s/md204l

OP320, our cost-effective HMI (Human-Machine Interface) panel display designed for seamless integration with Programmable Logic Controllers (PLCs) using the Modbus protocol 3X and 4X.

Equipped with an RS232/RS422/RS485 communication port, the OP320 offers versatile connectivity options to connect with a range of PLCs. Its monochrome LCD screen delivers clear visuals, and the 20 key presses can be customized to control various PLC functions, allowing real-time monitoring and display of PLC data and values.

The OP320 panel display also features an alarm information list, enabling instant and real-time display of current alarm information, making it a valuable tool for diagnosing and monitoring PLC systems.

OP320 includes a built-in real-time clock (RTC) function, providing accurate time and date display.

OP320 panel display offers a cost-effective solution for industrial automation and control. Its monochrome LCD, customizable key presses, support for Modbus protocol 3X and 4X, and alarm information list make it suitable for a wide range of applications.


  • Size: 3.7-inch text display.
  • Compatibility with Xinjie V6.5.
  • Supports RS232, RS422, and RS485 communication ports.
  • Specifically designed for communication with PLCs using the Modbus protocol 3X and 4X.
  • Input Voltage: DC22 - 26V.
  • Power Consumption: ≤4W.
  • Power off allowable: Less than 20ms (indicating it can tolerate brief power interruptions without issues).
  • Withstand Voltage: AC1000V-10mA less than 1 minute (a measure of its electrical safety).

This HMI panel display is likely used in industrial automation and control systems where it serves as the interface between human operators and PLCs. Its support for various communication protocols like Modbus and multiple communication port options (RS232, RS422, RS485) makes it versatile for connecting and controlling different types of industrial equipment and processes.

Op320 A Software Download

OP320 Software OP20v6.5y || OP320 Software OP20v8.0q 

How to communicate low-cost PLC LE3U with OP320-A HMI

OP320-A Communication Port

hmi op320 a

OP320-A Pin Definition

hmi op320 a

hmi op320 a

hmi op320 ahmi op320 a

Input Power DC 24V
LCD Color Green/Blue
Real Time Clock(RTC) Optional
RS485-Modbus support
Software version OP20 v8.0q/v6.5y

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