New S7A version 7.50 Build 102 allows unsolicited data transfer from S7-PLC
Go to the Downloads page to get the new S7A version as well as a Step7 demo project which shows on how simple to use it.
An alternative for the S7M driver
Click here to get information on how to replace an old S7M driver by the S7A driver.
New S7A version 7.50 now supports PROFINET!
Click here to get more information about the new S7A Driver / OPC Server version.
An alternative for your SCADA system based on Applicom® card
Click here to get detailed information about our Applicom® migration path