Siemens SIMATIC MV550 S Operating Instructions Manual page 135

Note
Reaction when an error occurs
After an error has occurred, you will need to set the "SEL0" to "SEL3" signals and the "TRN"
signal to "0" and then reset the error with the "RES" signal. The "DISA" signal must have the
value "1" (no edge change).
Table 9- 40
Step
1
2
3
4
5
SIMATIC MV500
Operating Instructions, 05/2019, C79000-G8976-C494-02
Sequence when saving the program
Input
DISA = 1
Apply for at least 100 ms:
SEL0 = 1
SEL1 = 1
SEL2 = 0
SEL3 = 1
TRN = 1
SEL0, SEL1, SEL2,
SEL3 = 0
Wait at least 200 ms
SEL1 = 1
Apply for at least 5 ms:
TRG = 1
SEL1=0
TRN = 0
Process interfacing via an automation system (PLC, PC)
Output Description
Disable keyboard control. DISA must have the
value 1. No edge change is necessary.
Select program to be saved, for example
code 11.
Start program saving
TRD = 0 TRD signal changes to FALSE
RDY = 0 RDY signal changes to FALSE
Feed in object with data matrix code.
Save program
Trigger signal
TRD = 1 Selected program has been saved.
Reset signals.
Exit program saving.
TRD = 0 TRD signal changes to FALSE for 150 ms.
TRD = 1 TRD signal changes to TRUE.
RDY = 1 Program saving is exited.
9.4 Control with FB 79
135