Programming Example for Standard Function Blocks
9.3 Blocks Used
PtP coupling and configuration of CP 340
150 Manual, 04/2011, A5E00369892-03
9.3 Blocks Used
Blocks Used
The table below shows the blocks used for the sample program.
Block Symbol Description
OB 1 CYCLE Cyclic program processing
OB 100 RESTART Restart processing
DB 2 DB_P_RCV Instance DB for P_RCV FB
DB 3 DB_P_SEND Instance DB for P_SEND FB
DB 4 DB_P_PRINT Instance DB for P_PRINT FB
DB 10 SEND_DB Send data block
DB 20 RCV_DB Receive data block
DB 30 DB_PRT_AUFTR Pointer DB for format string and variables
DB 31 DB_VAR1 DB data for variable 1
DB 32 DB_VAR2 DB data for variable 2
DB 33 DB_VAR3 DB data for variable 3
DB 34 DB_VAR4 DB data for variable 4
DB 35 DB_STRING DB data for format string
FB 2 P_RCV Standard FB for receiving data
FB 3 P_SEND Standard FB for sending data
FB 4 P_PRINT Standard FB for outputting message
FC 5 V24_STAT Standard FC for reading CP outputs
FC 6 V24_SET Standard FC for writing CP outputs
FC 8 DT_TOD Standard FC for converting the DT format to TOD
FC 9 CPU_TIME Standard FC for reading CPU time and converting to TOD
FC 10 ORG_CYC Organization of cycle
FC 11 SEND_CYC Sending Data
FC 12 RCV_CYC receiving data
FC 13 PRN_ZYK Output message
FC 14 V24_CYC Controlling RS 232C secondary signals
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