7.4 Utilize SFC programs (Replace MELSAP-ΙΙ with MELSAP3)
Performing the following operations on SFC programs created with SW IVD/NX-GPPA may result in
abnormal SFC chart display and cause creation fault in GX Developer.
• Executing "Import file" in GX Developer to import an SFC program saved in a personal computer.
• Executing "Read from PLC" in GX Developer to read an SFC program from an ACPU.
If a creation fault occurs in the SFC chart, add a dummy step with SW IVD/NX-GPPA and import the file to GX
1. Creation fault examples
2. SFC chart modification
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(When adding a dummy step)
(When changing to jump transition)
changes to jump transition.
The jump destination step
is the one immediately
following the coupling