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Prior to Sequence Program Creation
4
PLC FUNCTION
4.2 Prior to Sequence Program Creation
4.2.1 Precautions for sequence program creation
If any of the instructions (refer to page 104) and devices (refer to page 180) that
cannot be used with the built-in PLC function exists in a sequence program, an
instruction code error occurs at the execution of that instruction.
Error code D9008=10
Operation error step D9010
D9011
4.2.2 Usable main GX Developer functions
! Parameter or sequence program read/write
! Ladder monitor
! Device monitor
! Device test
! All device memory clear
POINT
•Online change of the sequence program and access to other stations are not
allowed.
In addition, program read/write from other stations and all PLC memory clear
cannot be performed.
•Back up the ladder configured with the protective function of GX Developer.
REMARKS
•Refer to page 118 for the error codes.
CAUTION
Device test ([Online] - [Debug] - [Device test]) of GX Developer can be performed, but if
devices corresponding to control terminal (e.g. STF, STR) signals are tested, the
devices turn on in the sequence but the inverter does not perform the corresponding
operation.
When you want to operate the inverter actually, refer to 4.10 Debugging Mode
Specifications (page 136).