modbus主机用16命令写操作怎么实现

ZDZ52DS

屏作为MODBUS主机。当按下保存按钮时把设置的参数发给主板。这个怎么实现

terefere

U can create variable who is "connected" with modbus register (in Tools-> Protocol and variable settings), next, made switch/keyboard who change value. Atef change this variable will be automatically send via modbus.

In other way u can use C or LUA and here you can send this variable by command
Copz this link to browser, I have no permision to paste  complete link here doc.gz-dc.com/VisualTFT/LUA/14_modbus.html

ZDZ52DS

thank you very much @terefere