Documentation

MbusUdpMasterProtocolsetPort Method

Sets the TCP port number of the Modbus slave device.

Namespace:  FieldTalk.Modbus.Master
Assembly:  FieldTalk.Modbus.Master (in FieldTalk.Modbus.Master.dll) Version: 2.15.2-eval+3d8362b4bb861c05760d48b11d303e954bb8597c
Syntax
Copy
public override int setPort(
	short portNo
)

Parameters

portNo
Type: SystemInt16
Port number to be used when opening the connection

Return Value

Type: Int32
BusProtocolErrors.FTALK_SUCCESS on success or error code. See BusProtocolErrors for possible error codes.
Remarks
Usually the port number remains unchanged and defaults to 502 for Modbus/TCP and 1100 for RTU over TCP. However if the port number has to be different this function must be called before opening the connection with openProtocol().
Note Note
A protocol must be closed in order to configure it.
See Also