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4
Standard connection diagram and terminal specifications
(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
RL
Multi-speed
selection
Turn on the RH, RM and RL 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.
SD
(*1)
Contact input
common (sink)
Common to the contact input terminals (STF, STR, RH, RM,
RL). (*6)
PC
(*1)
External
transistor
common, 24VDC
power supply,
contact input
common (source)
When connecting the transistor output (open collector output),
such as a programmable controller (PLC), connect the positive
external power supply for transistor output to this terminal to
prevent a malfunction caused by undesirable currents.
This terminal can be used as a 24VDC, 0.1A power output
across terminals PC-SD.
When source logic has been selected, this terminal serves
as a contact input common.
10
Frequency setting
power supply
5VDC, Permissible load current 10mA.
Frequency setting
2
Frequency setting
(voltage signal)
Inputting 0 to 5VDC (or 0 to 10V) provides the maximum output
frequency at 5V (10V) and makes input and output proportional.
Switch between 5V and 10V using Pr. 73 "0-5V, 0-10V selection".
Input resistance 10kΩ. Maximum permissible input voltage 20V
4
Frequency setting
(current signal)
Input 4 to 20mADC. It is factory set at 0Hz for 4mA and at
60Hz for 20mA.
Maximum permissible input current 30mA. Input resistance
approximately 250Ω.
Turn ON signal AU for current input.
Turning the AU signal on makes voltage input invalid. Use any of
Pr. 60 to Pr. 63 (input terminal function selection) to set the AU
signal.
5
Frequency setting
input common
Common terminal for the frequency setting signals
(terminal 2, 4) and indicator connection (terminal AM). (*6)