. MODBUS 姓名 描述 MODBUS 该示例展示了如何创建 Modbus TCP/串行服务器和客户端。的功能块 Modbus

Initial Constant MODBUS_TCP_MAXCLIENTS DINT (SysSocket.SOCKET

Errors2 Interfaces, * (System) IoDrvModbus [...] ¶ Placeholder: IoDrvModbus Default Resolution: IoDrvModbus

: ERROR InOut: Scope [...] RecvSet SysSocket.SOCKET [...] SendSet SysSocket.SOCKET

Manager Modbus [...] ¶ Placeholder: Modbus [...] : ModbusFB, * (3

a socket to a socket set. In [...] _IEC_RESULT Runtime system error

a socket to a socket set. In [...] _IEC_RESULT Runtime system error

strRecvSet SysSocket.SOCKET [...] SendSet SysSocket.SOCKET [...] this list. strError

_IEC_HANDLE Create a new socket [...] socket handle. In [...] socket. The return is

_IEC_RESULT Returns the socket [...] which a socket is [...] socket. InOut: Scope