Справочник Пользователя для Mitsubishi Electronics FR-D720-008
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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).
(1) Input signal
Type
Terminal
Symbol
Terminal Name
Description
Rated Specifications
Refer to
Page
C
ont
act inp
ut
STF
Forward rotation start
Turn on the STF signal to
start forward rotation and
turn it off to stop.
start forward rotation and
turn it off to stop.
When the STF and STR
signals are turned on
simultaneously, the stop
command is given.
signals are turned on
simultaneously, the stop
command is given.
Input resistance 4.7k
Ω
Voltage when contacts are
open
21 to 26VDC
When contacts are short-
circuited
4 to 6mADC
open
21 to 26VDC
When contacts are short-
circuited
4 to 6mADC
STR
Reverse rotation start
Turn on the STR signal to
start reverse rotation and
turn it off to stop.
start reverse rotation and
turn it off to stop.
RH,
RM,
RL
RM,
RL
Multi-speed selection
Multi-speed can be selected according to the
combination of RH, RM and RL signals.
combination of RH, RM and RL signals.
SD
Contact input common
(sink) (initial setting)
(sink) (initial setting)
Common terminal for contact input terminal (sink
logic).
logic).
—
—
External transistor
common (source)
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.
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
Common output terminal for 24VDC 0.1A power
supply (PC terminal).
Isolated from terminals 5 and SE.
supply (PC terminal).
Isolated from terminals 5 and SE.
PC
External transistor
common (sink)
(initial setting)
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.
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.
Power supply voltage range
22 to 26.5VDC
permissible load current
100mA
22 to 26.5VDC
permissible load current
100mA
Contact input common
(source)
(source)
Common terminal for contact input terminal (source
logic).
logic).
24VDC power supply
Can be used as 24VDC 0.1A power supply.
F
requency se
tting
10
Frequency setting power
supply
supply
Used as power supply when connecting potentiometer
for frequency setting (speed setting) from outside of
the inverter. (Refer to Pr. 73 Analog input selection.)
for frequency setting (speed setting) from outside of
the inverter. (Refer to Pr. 73 Analog input selection.)
5.0V
± 0.2VDC
permissible load current
10mA
10mA
2
Frequency setting
(voltage)
(voltage)
Inputting 0 to 5VDC (or 0 to 10V) provides the maximum
output frequency at 5V (10V) and makes input and output
proportional. Use Pr. 73 to switch between input 0 to
5VDC input (initial setting) and 0 to 10VDC.
output frequency at 5V (10V) and makes input and output
proportional. Use Pr. 73 to switch between input 0 to
5VDC input (initial setting) and 0 to 10VDC.
Input resistance10k
Ω ± 1kΩ
Permissible maximum
voltage 20VDC
voltage 20VDC
4
Frequency setting
(current)
(current)
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
invalid). Use Pr. 267 to switch from among input 4 to
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).
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
invalid). Use Pr. 267 to switch from among input 4 to
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).
Current input:
Input resistance 233
Input resistance 233
Ω ± 5Ω
Maximum permissible
current 30mA
current 30mA
Voltage input:
Input resistance10k
Input resistance10k
Ω ± 1kΩ
Permissible maximum
voltage 20VDC
voltage 20VDC
5
Frequency setting
common
common
Common terminal for frequency setting signal
(terminal 2 or 4) and analog output terminal AM. Do
not earth (ground).
(terminal 2 or 4) and analog output terminal AM. Do
not earth (ground).
—
—
P
T
C ther
mistor
10
2
2
PTC thermistor input
For connecting PTC thermistor output.
When PTC thermistor protection is valid (Pr. 561
When PTC thermistor protection is valid (Pr. 561
≠
"9999"), terminal 2 is not available for frequency
setting.
setting.
Adaptive PTC thermistor
specification
Heat detection resistance :
500
specification
Heat detection resistance :
500
Ω to 30kΩ (Set by Pr. 561)
Voltage input
Current input
(initial status)
(initial status)