Mitsubishi Electric Freqrol Z024-UL Instruction Manual page 77

Vvvf transistor inverter
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Operation
I
Cautlonr
Reading
values
Monitor
1.
It is possible to read the
set values for the 1st and 2nd functions in both PU and external
Operation modes.
In addition, reading is possible if the motor is running.
Reading the set values for the 3rd functions is possible only when the inverter is in PU
Operation mode.
When the Operator uses the PU to control the motor, pressing the start key (FWD or REV)
after setting frequency automatically selects the monitor mode.
2.
1.
Common -Operation
Maximum number of
digits stored and the
decimal point.
mode.
Selecting PU or external signal Operation
Pressing the
PU
key (or
rn
key) is not allowed for mode change under the conditions
(1)
(2)
(3)
Switching on the power of the inverter after switching it off or resetting (across terminals
RES and SD) the external Operation mode. (Initial setting)
The maximum number of digits for entry
is
four. If this
is
exceeded, the first digit is
disregarded. (Example : Pressing 12345 will be set as 2345.)
Pressing.
1
for
0.1,
as is done for a calculator, is regarded as
1,
and the decimal point will
be
disreaarded. Do not omit a 0.
that follow
:
m m
When the motor is running
;
When the start signal (across terminals STF and SD or STR and SD) for the external
signal Operation is ON.
When Operation mode (parameter number 79) is set to PU operation or external
signal Operation.
-71
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