The S7 Protocol, Client allows an easy way to access internal data from a SIEMENS PLC of the S7 series. It will
setup communication with the SIEMENS PLC devices which support the S7 Protocol (RFC 1006), e.g. S7-300, S7-400, S7-1200, S7-1500, LOGO!.
Data items from different memory areas, i.e. data block (DB), input (I) and output (Q) might be written or read. The read request can be configured to be performed cyclically whereas the write request is triggered spontaneously. Optionally, incoming data can be evaluated by data value change detection.
This protocol stack can be used with following products
Universal protocol converter for highest degree of flexibility