Siemens CM 1542-5 Operating Instructions Manual page 33

Figure 4-3
The parameters of TCON_FDL
You will find information on the parameters of TCON_FDL in the STEP 7 information system.
Note the special features of the parameters "RemoteSAP" and "RemotePBAddress":
● RemoteSAP = 255, RemotePBAddress = 255
If you program the value 255 both for RemoteSAP and RemotePBAddress, data transfer
from every partner will be accepted regardless of its SAP.
● RemoteSAP = 255, RemotePBAddress = specified
If you program the value 255 for RemoteSAP and assign a specified value for
RemotePBAddress, data transfer from the specified partner via each of its programmed
SAPs will be accepted via this connection.
● RemoteSAP = specified, RemotePBAddress = 255
If you program a specific value for RemoteSAP and assign the value 255 for
RemotePBAddress, data transfer from every partner with the specified address will be
accepted via this connection.
CM 1542-5
Operating Instructions, 11/2018, C79000-G8976-C290-04
Example: TCON instruction for FDL connection
Configuration, programming
4.3 Program blocks for FDL
33