The app is for Reading/Writing PLC over ModbusTCP/IP using WiFi.
The app can connect to any kind of ModbusTCP/IP Slave.
It can read/write Bit, Byte, Word, INT, DINT, Real, LReal of Holding Registers.
Long click on fab button can scale time from 0.1s to 10s for repeating the same action.
If there are any bugs or errors, please let me know.
imports modbus4j can find at https://sourceforge.net/projects/modbus4j/