Process interfacing via an automation system (PLC, PC)
9.4 Control with FB 79
SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01
133
Table 9- 39 Program selection procedure
Step
Input
Output
Description
1
DISA = 1
TRN = 0
TRG = 0
RES = 0
Program selection is prepared.
DISA must have the value "1". No edge change is necessary.
2
SEL0 = 1
SEL1 = 1
SEL2 = 0
SEL3 = 1
Select program, for example, program 11.
3
TRD = 0
RDY = 0
Program selection is started.
5
TRD = 1
RDY = 1
Program change is completed after approximately 150 ms to 15 s.
If the selected program is not saved, "TRD" and "RDY" will retain the value "0".
Содержание SIMATIC MV540 H
Страница 24: ...Description 1 7 Functional description SIMATIC MV500 24 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 194: ...Service and maintenance 10 3 Replacing a module SIMATIC MV500 194 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 232: ...Appendix A 3 Alternative user interfaces SIMATIC MV500 232 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 236: ...List of abbreviations SIMATIC MV500 236 Operating Instructions 06 2018 C79000 G8976 C494 01 ...
Страница 238: ...Service Support SIMATIC MV500 238 Operating Instructions 06 2018 C79000 G8976 C494 01 ...