Process interfacing via an automation system (PLC, PC)
9.4 Control with FB 79
SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01
127
Bit
Signal
Description
2
SEL1
1)
Select 1
Program selection bit 1 (with TRN = 0) / save program (with TRN = 1)
3
SEL2
1)
Select 2
Program selection bit 2
4
SEL3
1)
Select 3
Program selection bit 3
5
TRN
1)
Save program
Saves new program.
6
TRG
Trigger
Processing starts on a positive edge.
7
RES
Reset
Reset error.
1)
The signals only work if "DISA = 1".
Table 9- 34 Assignment of status byte (output signals)
Bit
Signal
Description
0
IN_OP
In operation
•
0: Error message is displayed.
•
1: Optical reader functional, no error
1
TRD
Program saved
•
In run:
–
0: Selected program is not saved.
–
1: Selected program has been saved.
•
With Save program (TRN = 1)
–
0: Save program active
–
1: Acknowledgment signal (RDY = 0)
2
RDY
Ready
•
0: Startup of the optical reader or optical reader in the "Stop"
•
1: Optical reader in "Start"
3
READ
Processing result
Code was localized and decoded.
4
MATCH
Processing result
Code matches the trained code.
5
N_OK
Code was not legible.
6
-
Current status of the trigger input
7
-
Reserved
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 ...