Program Selection Via Plc And Nc - Siemens SINUMERIK 840D sl Commissioning Manual

11.1.2

Program selection via PLC and NC

Function
The NC program to be executed can be specified via the PLC. The names of the NC
programs are entered in program lists.
There are three types of program lists where the NC programs are combined into different
files:
Data class
User
Individual
Manufacturer
These program lists are entered in the "plc_proglist_main.ppl" control file, but do not contain
any NC programs.
Entry of the control file:
1 plc_proglist_user.ppl
2 plc_proglist_individual.ppl
3 plc_proglist_manufacturer.ppl
Interface signals
The PLC issues jobs to the HMI sl to perform a program selection in the NC.
DB 19 (PLC → HMI sl)
DBB13
The job is specified via an index in the control file.
DB 19 (PLC → HMI sl)
DBB16
HMI sl (IM9)
Commissioning Manual, 01/2008, 6FC5397-1DP10-3BA0
Program lists
plc_proglist_user.ppl; can be edited by the user
plc_proglist_individual.ppl (not possible for 840D sl)
plc_proglist _manufacturer; editing only possible by machine manufacturer
Bit 7 Bit 6 Bit 5
Selection
Bit 7 Bit 6 Bit 5
1=pas FS
Control file = PLC_PROGLIST_MAIN.PPL
1st file: plc_proglist_user.ppl
2nd file: plc_proglist_individual.ppl
3rd file: plc_proglist_manufacturer.ppl
Bit 4 Bit 3 Bit 2
Bit 4 Bit 3 Bit 2
PLC interface
11.1 Program selection
Bit 1 Bit 0
Bit 1 Bit 0
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