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Control circuit specifications
2.3
Control circuit specifications
2.3.1
Control circuit terminal
indicates that terminal functions can be selected using Pr. 178 to Pr. 182, Pr. 190, Pr. 192 (I/O terminal function selection).
(Refer to page 113).
(1) Input signal
Terminal
Type
Terminal Name
Symbol
Turn on the STF signal to
STF
Forward rotation start
start forward rotation and
turn it off to stop.
Turn on the STR signal to
STR
Reverse rotation start
start reverse rotation and
turn it off to stop.
RH,
Multi-speed can be selected according to the
RM,
Multi-speed selection
combination of RH, RM and RL signals.
RL
Contact input common
Common terminal for contact input terminal (sink
(sink) (initial setting)
logic).
When connecting the transistor output (open collector
output), such as a programmable controller, when
External transistor
source logic is selected, connect the external power
SD
common (source)
supply common for transistor output to this terminal to
prevent a malfunction caused by undesirable currents.
Common output terminal for 24VDC 0.1A power
24VDC power supply
supply (PC terminal).
common
Isolated from terminals 5 and SE.
When connecting the transistor output (open collector
External transistor
output), such as a programmable controller, when sink
common (sink)
logic is selected, connect the external power supply
common for transistor output to this terminal to prevent
(initial setting)
PC
a malfunction caused by undesirable currents.
Contact input common
Common terminal for contact input terminal (source
logic).
(source)
24VDC power supply
Can be used as 24VDC 0.1A power supply.
Used as power supply when connecting potentiometer
Frequency setting power
10
for frequency setting (speed setting) from outside of
supply
the inverter. (Refer to Pr. 73 Analog input selection.)
Inputting 0 to 5VDC (or 0 to 10V) provides the maximum
Frequency setting
output frequency at 5V (10V) and makes input and output
2
(voltage)
proportional. Use Pr. 73 to switch between input 0 to
5VDC input (initial setting) and 0 to 10VDC.
Inputting 4 to 20mADC (or 0 to 5V, 0 to 10V) provides
the maximum output frequency at 20mA and makes
input and output proportional. This input signal is valid
only when the AU signal is on (terminal 2 input is
Frequency setting
4
invalid). Use Pr. 267 to switch from among input 4 to
(current)
20mA (initial setting), 0 to 5VDC and 0 to 10VDC. Set
the voltage/current input switch in the "V" position to
select voltage input (0 to 5V/0 to 10V).
Common terminal for frequency setting signal
Frequency setting
5
(terminal 2 or 4) and analog output terminal AM. Do
common
not earth (ground).
For connecting PTC thermistor output.
10
When PTC thermistor protection is valid (Pr. 561 ≠
PTC thermistor input
"9999"), terminal 2 is not available for frequency
2
setting.
20
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Description
Rated Specifications
When the STF and STR
Input resistance 4.7kΩ
signals are turned on
Voltage when contacts are
simultaneously, the stop
open
command is given.
21 to 26VDC
When contacts are short-
circuited
4 to 6mADC
—
Power supply voltage range
22 to 26.5VDC
permissible load current
100mA
5.0V ± 0.2VDC
permissible load current
10mA
Input resistance10kΩ ± 1kΩ
Permissible maximum
voltage 20VDC
Current input:
Input resistance 233Ω ± 5Ω
Maximum permissible
current 30mA
Voltage input:
Input resistance10kΩ ± 1kΩ
Permissible maximum
voltage 20VDC
Current input
(initial status)
—
Adaptive PTC thermistor
specification
Heat detection resistance :
500Ω to 30kΩ (Set by Pr. 561)
Refer to
Page
117
89
—
23
150
150
150
Voltage input
—
100
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