Mitsubishi Electric Freqrol-A100 Instruction Manual page 54

(3)
Entering the start signal and multi-speed signal from the outside and setting the multiple
speeds from the PU
Perform this operation in the external operation mode with "0" (factory setting) set in Pr. 79
"operation mode selection".
For details of changing the parameter setting, see page 62.
Operation procedure
I
1.
Operation mode selection
High speed
Middle speed
Low speed
.....
Select the multi-speed
signal required for,opera-
tion (connect terminals
RHlRMlRL and SD).
Note
1:
If the forward and reyerse
rotation switches are
turned on together, the
inverter will not start. Also
i f these switches are
turned on together during
operation, the motor is
decelerated to a stop.
Note 2:The set values of the
multiple speeds not being
used can also be changed
during operation. (See
page
68.)
Forward rotation
/
* - - a
.......
Turn on the start switch (connect
terminals STF or S T . and SD).
Reverse rotation
(Note 1)
The operation command indication
changes to "STF-r "STR" the operation
status indication changes to output
indication (FWD or REV), and the motor
starts rotating.
...
Using the PU, change the current
multi-speed frequency.
When high speed has been selected
(RH-SD connected), changing the
value of the "three-speed setting
(high speed)" varies the speed.
(Note 2)
High speed (disconnect terminali RHlRMlRL
and SD) and turn off the start
switch (disconnect terminals STF
or STR and SD).
The motor stop running
Reverse rotation