Siemens SIMATIC CP 440, Руководство пользователя

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Programming Example – Standard Blocks
9-5
Point-to-point connection CP 440 Installation and Parameter Assignment
A5E00057742-02
Table 9-3 CP 440 ASCII BCC
Block Symbol Comment
OB 1 CYCLE Cyclic program processing
OB 100 RESTART Cold restart processing
FB 9 RECV_440 Receive standard FB for data
FB10 SEND_440 Send standard FB for data
FC 21 SEND Send data
FC 22 RECEIVE Receive data
FC 23 GEN BCC Creates BCC for the sender
FC 24 CHK BCC Checks the BCC when data is received
DB 21 SEND IDB Instance DB for SEND_440 FB
DB 22 RECV IDB Instance DB for RECV_440 FB
DB 40 SEND WORK DB Work DB for the standard FB 10
DB 41 RECV WORK DB Work DB for the standard FB 9
DB 42 SEND SRC DB Send data block
DB 43 RECV DST DB Receive data block
Table 9-4 CP 440 MASTER
Block Symbol Comment
OB 1 CYCLE Cyclic program processing
OB 100 RESTART Cold restart processing
FB 9 RECV_440 Receive standard FB for data
FB10 SEND_440 Send standard FB for data
FC 1 SLAVE01 Main program for communication to slave 01
FC 2 SLAVE02 Main program for communication to slave 02
FC 11 SEND SL01 Send data
FC 12 SEND SL01 Send data
FC 21 RECEIVE SL01 Receive data
FC 22 RECEIVE SL02 Receive data
DB 9 RCV IDB Instance DB for RECV_440 FB
DB 10 SEND IDB Instance DB for SEND_440 FB
DB 31 SEND WORK DB SL01 Work DB for the standard FB 10
DB 32 SEND WORK DB SL02 Work DB for the standard FB 10
DB 41 RCV WORK DB SL01 Work DB for the standard FB 9
DB 42 RCV WORK DB SL02 Work DB for the standard FB 9
DB 51 SEND SRC DB SL01 Send data block