Description Of I/O Terminal Specifications; Main Circuit; Control Circuit; Description Of I/O Terminal Specification - Mitsubishi FR - S500 Instruction Manual

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.4 Description of I/O Terminal Specifications

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.4.1 Main circuit

Symbol Terminal Name
R, S, T *
AC power input
<L , L , L >
1 2 3
U, V, W Inverter output
DC voltage
N<->
common
Power factor
improving DC
P<+>, P1
reactor connection
Earth (Ground)
* R, S <L , N> terminals for single-phase power input.
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CAUTION
< >Terminal names in parentheses are those of the EC version.
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.4.2 Control circuit

Symbol Terminal Name
Forward rotation
STF
start
Reverse rotation
STR
start
RH
Multi-speed
RM
selection
RL
SD Contact input
(*1) common (sink)
External
transistor
common
PC
24VDC power
(*1)
supply
Contact input
common (source)
Frequency setting
10
power supply
Frequency
2 setting
(Voltage signal)
Frequency
4 setting
(Current signal)
Connect to the commercial power supply.
Connect a three-phase squirrel-cage motor.
DC voltage common terminal. Not isolated from the
power supply and inverter output.
Disconnect the jumper from terminals P<+>-P1 and
connect the optional power factor improving DC reactor
(FR-BEL). (The single-phase 100V power input model
cannot be connected.)
For grounding the inverter chassis. Must be earthed.
Turn on the STF signal
to start forward rotation
and turn it off to stop.
Turn on the STR signal
to start reverse rotation
and turn it off to stop.
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.
Common terminal for contact inputs (terminals STF, STR,
RH, RM, RL) and indicator connection (terminal FM).
Isolated from terminals 5 and SE.
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 current.
This terminal can be used as a 24V 0.1A DC power
output across terminals PC-SD.
When source logic is selected, this terminal serves as a
contact input signal common.
5VDC. Permissible load current 10mA.
By entering 0 to 5VDC (0 to 10VDC), the maximum
output frequency is reached at 5V (10V) and I/O are
proportional. Use Pr. 73 "0-5V/0-10V selection" to switch
between 5V and 10V.
Input resistance 10k . Maximum permissible voltage 20V.
Enter 4-20mADC. This signal is factory-adjusted to reach
0Hz at 4mA and 60Hz at 20mA. Maximum permissible
input current 30mA. Input resistance approximately 250 .
For current input, turn on the signal AU.
Set the AU signal in any of Pr. 60 to Pr. 63 (input
terminal function selection).
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Description
Description
When the STF and STR
signals are turned on
simultaneously, the stop
command
is given.
Input terminal
function selection
(Pr. 60 to Pr. 63)
changes the
terminal functions.
(*4)
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