Hello Steve,
EDI separator is used to split the business transaction coming in the file. Hence there should be four different files which needs to be received by the EDI sender channel after splitting.
You can find more details on this in the below mentioned blog -
B2B- EDI Inbound -Step by Step Configuration
After receiving the split files, you need to store them on temporary folder in SAP PI system and use the below mentioned method in the blog for merging the files -
N:1 & N:M mappings not possible without BPM... Any more !!!!!!!!!!
Regards,
Nitin