david a

1. Firstly - I checked a PCOM over RS485 using the objects of "uncomdriv.dll" to perform several read/write operations from my software app and it was succesfully. 2. Secondly - I checked a PCOM over ETHERNET using a REMOTE ACCESS utility and it was succesfully. 3. Finally - I checked a PCOM over ETHERNET using the objects of "uncomdriv.dll" to perform several read/write operations from my software app and it was not working Pls, Your help with a sequence of operations/definitions required to initialize the PC/PLC to implement the PCOM functions.as described at 3 above. regards david a.