Blocks Used - Siemens SIMATIC CP 340 User Manual

Programming Example for Standard Function Blocks

9.3 Blocks Used

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