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CTI 2572 Installation and Operation Guide
64
S7 Logic
The following S7 Function Block (FC6) receives data from the 2572 module. ID must correspond to
the “Connection ID” in the S7 Ethernet setup. LADDR must correspond to the value shown in
“Block Parameters”. RECV is memory block where the S7 writes the received data. Your S7 logic
should execute this function block on a regular basis to check for input from the 505 PLC.
The following S7 Function Block (FC5) sends data to the 505 PLC. ID must correspond to the
“Connection ID” in the S7 Ethernet setup. LADDR must correspond to the value shown in “Block
Parameters”. SEND is memory block where the S7 obtains data to be transmitted. Your S7 logic
should execute this block after receiving a message from the 505 PLC.