Siemens SIMATIC MV440 - Control via TCP;IP and RS-232

Process interfacing via an automation system (PLC, PC)
10.5 Controlling the I/O interface "DI/DO"
SIMATIC MV420 / SIMATIC MV440
Operating Instructions, 04/2013, A5E02371045-06
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Note
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).
Description of saving programs
Step Input Output Description
1 DISA=1
Apply for at least 100 ms:
SEL0 = 1
SEL1 = 1
SEL2 = 0
SEL3 = 1
Disable keyboard control. DISA must have the
value 1. No edge change is necessary.
Select program to save, for example code 11.
TRN = 1
SEL0, SEL1, SEL2, SEL3
= 0
Start program saving 2
TRD=0
RDY=0
TRD signal changes to FALSE
RDY signal changes to FALSE
Wait at least 200 ms
SEL1=1
Feed in object with data matrix code.
Save program
3
Apply for at least 5 ms:
TRG=1
Trigger signal
TRD = 1 Selected program has been saved. 4
SEL1=0 Reset signals.
TRN = 0 Exit program saving.
TRD = 0 TRD signal changes to FALSE for 150 ms.
TRD = 1 TRD signal changes to TRUE.
5
RDY=1 Program saving is exited.