ModBus TCP use std\net Socket. ModBus RTU use SerialPort from serial lib or std\net Socket for RTU over TCP. mb_read_rtu (1,0,7,mb_fucntion.r_coils,serial) -> Read state of coils 0-6 from device '1' ...
The Modbus protocol is widely used in industry for communication between systems and controllers. This module enables you to use the Modbus protocol over a WLAN. It is built around an Espressif ...
public dim modbus_socks(MODBUS_SOCKET_MAX_NUMBERS) as byte public dim modbus_slave_socks(MODBUS_SLAVE_SOCKET_NUMBERS) as byte ' Buffer for output MODBUS packets dim ...
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