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5
Standard connection diagram and terminal specifications
1
WIRING
(2) Control circuit
Symbol Terminal Name Definition
Input signals
Contact input
STF
Forward rotation
start
Turn on the STF signal to
start forward rotation and
turn it off to stop.
When the STF and STR
signals are turned on
simultaneously, the stop
command is given.
STR
Reverse rotation
start
Turn on the STR signal to
start reverse rotation and
turn it off to stop.
The terminal
functions change
with input terminal
function selection
(Pr. 60 to Pr.63).
(*3)
RH
RM
Multi-speed
selection
Turn on the RH, RM signals in
appropriate combinations to select
multiple speeds.
The priorities of the speed commands
are in order of jog, multi-speed setting
(RH, RM, RL, REX) and AU.
AU
Current input
selection
Only when the AU signal is turned on,
the inverter can be operated with the 4
to 20mADC frequency setting signal.
Turning the AU signal on makes voltage
input (across terminals 2-5) invalid.
SD
(*1, *6)
Contact input
common (sink)
(initial setting)
Common terminal for contact input terminal (sink logic) and
terminal FM.
External
transistor
common (source)
When connecting the transistor output (open collector
output), such as a programmable controller, when source
logic is selected, connect the external power supply
common for transistor output to this terminal to prevent a
malfunction caused by undesirable currents.
24VDC power
supply common
Common output terminal for 24VDC 0.1A power supply (PC
terminal).
Isolated from terminals 5 and SE.
PC
(*1)
External
transistor
common (sink)
(initial setting)
When connecting the transistor output (open collector
output), such as a programmable controller, when sink logic
is selected, connect the external power supply common for
transistor output to this terminal to prevent a malfunction
caused by undesirable currents.
Contact input
common (source)
Common terminal for contact input terminal (source logic).
24VDC power
supply
Can be used as 24VDC 0.1A power supply.
10
Frequency setting
power supply
5VDC, Permissible load current 10mA.