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Use Switches To Give A Start Command And A Frequency Command (multi-speed Setting) (pr. 4 To Pr. 6) - Mitsubishi Electric FR-E700 Basic Instruction Manual

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3.5.2
Use switches to give a start command and a frequency command
(multi-speed setting) (Pr. 4 to Pr. 6)
POINT
Start command by terminal STF (STR)-SD
Frequency command by terminal RH, RM, RL-SD
[EXT] must be lit. (When [PU] is lit, switch with
The initial values of the terminals RH, RM, RL are 60Hz, 30Hz, and 10Hz. (Use Pr. 4, Pr. 5 and Pr. 6 to change.)
Operation at 7-speed can be performed by turning ON two (or three) terminals simultaneously.
chapter 4 of the Instruction Manual (applied) ).
[Connection diagram]
Three-phase AC
power supply
Forward rotation start
Reverse rotation start
High speed
Middle speed
Low speed
Operation
Set "50Hz" in Pr. 4 Multi-speed setting (high speed) and turn ON terminal RH and STF (STR)-SD to operate.
example
Operation
1.
Power ON
operation mode check
For the initial setting, the inverter operates in
the External operation mode [EXT] when
powering ON. Check that the operation
command indication is [EXT]. If not displayed,
press
to change to the External [EXT]
operation mode. If the operation mode still
does not change, set Pr. 79 to change to the
External operation mode. (Refer to page 47)
2.
Change the Pr.4 setting to "50".
(Refer to page 37 for change of the setting.)
3.
Turn ON the high speed switch (RH).
4.
Turn the start switch (STF or STR) ON.
"
" (50.00Hz) is displayed.
[RUN] display is lit during forward rotation
operation and flickers during reverse rotation
operation.
30Hz appears when RM is ON and 10Hz
appears when RL is ON.
5.
Stop
Turn the start switch (STF or STR) OFF. The
motor stops according to Pr. 8 Deceleration time.
[RUN] turns OFF.
Make a start and stop with terminals (external operation)
Inverter
R/L1
U
S/L2
V
Motor
T/L3
W
STF
STR
RH
RM
RL
SD
ON
High speed
Middle speed
ON
Forward
rotation
ON
Forward
rotation
OFF
.)
Speed 1
(High speed)
Speed 2
(Middle speed)
Speed 3
(Low speed)
ON
RH
ON
RM
ON
RL
Low speed
Reverse
rotation
Reverse
rotation
Refer to the
Speed 5
Speed 6
Speed 4
Speed 7
Time
ON ON ON
ON
ON ON
ON
ON
Display
Stop
63
3

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