11
3.2.1
Operation mode switching
(1) Operation mode switching conditions
Before switching the operation mode, check that:
1) The inverter is at a stop;
2) Both the STF and STR signals are off; and
3) The Pr. 79 "operation mode selection" setting is correct.
(For setting, use the inverter's operation panel or optional parameter unit.)
Pr. 79 Setting
Operation Mode Selection
Switching to Network Operation Mode
0
PU or external operation
Disallowed when the PU mode is selected. Allowed when
the external mode is selected.
1
PU operation
Disallowed
2
External operation
Allowed
3, 4
External/PU combined operation
Disallowed
6
Switch-over
Allowed
7
External operation
(PU operation interlock)
Allowed only in the external operation mode when the
PU interlock signal (MRS) is on.
8
PU or external (signal switching)
Allowed only in the external operation mode (X16 on).