Instruction manual

PROTECTIVE FUNCTIONS
156
5.2.8 Operation mode unswitched to CC-Link operation mode
Check that the inverters and CC-Link dedicated cable are fitted
p
ro
p
erl
y
(Check for contact fault, open cables, etc.).
Check that the station number settin
g
switches are set to the correct
p
ositions.
(
Check that the station number matches the
p
ro
g
ram, the station numbers are not
repeated, and the station number is not outside the range.)
Check that the o
p
eration mode switchin
g
p
ro
g
ram is runnin
g
.
Check that the o
p
eration mode switchin
g
p
ro
g
ram has been written correctl
y
.
5.2.9 Inverter unstarted in CC-Link operation mode
Check that the inverter starting program has been written correctly.
Check that the inverter starting program is running.
Check that the inverter is providing output.
5.2.10 Parameter write cannot be performed
Make sure that o
p
eration is not bein
g
p
erformed
(
forward or reverse rotation
signal is not ON).
Make sure that
y
ou are not attem
p
tin
g
to set the
p
arameter outside the settin
g
range.
Make sure that
y
ou are not attem
p
tin
g
to set the
p
arameter in the external
operation mode.
Check Pr. 77 "
p
arameter write inhibit selection".