Open User Communication
6.7 Setting up communication with Modbus TCP
Communication
Function Manual, 05/2021, A5E03735815-AJ
131
4.
Assign the parameters of the MB_CLIENT or MB_SERVER instruction. Observe the following
rules:
An IPv4 server address must be specified for each MB_CLIENT connection.
Each MB_CLIENT or MB_SERVER connection must use a unique instance DB with one of
the data structures TCON_IP_v4, TCON_QDN or TCON_Configured.
Each connection requires a unique connection ID. The connection ID and instance DB
belong together in pairs and must be unique for each connection.
Figure 6-9
MB_CLIENT
Figure 6-10 MB_SERVER
5.
Download the hardware configuration and user program to the CPU.
Summary of Contents for SIMATIC ET 200AL
Page 2: ......
Page 143: ......
Page 218: ......
Page 250: ......
Page 296: ......
Page 337: ......
Page 365: ......
Page 392: ......
Page 419: ......
Page 451: ......
Page 483: ......
Page 597: ......
Page 648: ......
Page 702: ......
Page 739: ......
Page 781: ......
Page 804: ......
Page 828: ......
Page 853: ......
Page 880: ......
Page 906: ......
Page 996: ...Diagnostics ...
Page 1121: ......
Page 1565: ......