ChinaPlcCenter.com op320 connect CPU224 10/09/2014 ~ arcozhang Text display MD204L OP320-A-S panel screen HMI with RS232/RS485 for various PLC,support the modbus protocol 3X 4X http://chinaplccenter.com/Touch-Screen/Text-display/Text-display-MD204L-OP320-A-S-panel-screen-HMI-with-RS232-RS485-for-various-PLC-support-the-modbus-protocol-3X-4X Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... 相关