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7.4 Utilize SFC programs (Replace MELSAP-ΙΙ with MELSAP3)
重 要
IMPORTANT
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
Developer.
1. Creation fault examples
2. SFC chart modification
examples
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No step
No step
Addition of
dummy step
(When adding a dummy step)
150
No step
(When changing to jump transition)
Jump
destination
step
Selective coupling
changes to jump transition.
The jump destination step
is the one immediately
following the coupling
before modification.
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