Huawei - Input Register not working

[admin]

Run this script once and post what you get in LM Logs tab. Change Modbus device IP if needed.

Code:

mb = require('luamodbus').tcp() mb:open('192.168.99.141', 502) res, err = mb:connect() if res then   mb:setslave(2)   res, err = mb:writeregisters(40120, 300)   if res then     log('write ok')   else     log('write failed', err)   end   else   log('connection failed', err) end mb:close()