Connection Of The Inverter - Mitsubishi Electric FATEC FR-A800 Manual

7
REVIEW OF INSTALLATION ENVIRONMENT
7.3.2

Connection of the inverter

(1) Terminal connection diagram
Connection statuses of various terminals to operate an inverter are described in the catalog. The
following explains the specifications and usage notes of these terminals when using the FR-
A800 series as an example.
Sink logic
Main circuit terminal
Control circuit terminal
Turn on the control power
supply simultaneously
Three-phase
with or before turning on
AC power
the main circuit power
supply
supply.
Control circuit voltage is supplied
from R and S-phases.
Control input signals
(No voltage input allowed)
The inverter stops when
Forward rotation start
both of them are turned
ON simultaneously.
Reverse rotation start
Start self-holding selection
Maximum of 7-speed
switching operation can
Multi-speed
be performed depending
selection
on the ON/OFF
combination of three
terminals.
Second function selection
The inverter speed can
be set by inputting pulse
train from terminal JOG.
Moreover, the speed
synchronized operation
of an inverter can be
Terminal 4 input selection
performed in
Selection of automatic restart
combination with the
pulse train output for the
terminal FM.
Contact input common
(Common for external power supply transistor)
Do not short
terminals 10 (10E)
and 5.
Frequency setting signal (Analog)
When wiring to this
terminal, use a shielded
cable and shorten the
Frequency setting
wiring length as much
potentiometer
as possible (within 30 m,
1/2 W1 kΩ
except for terminal 4).
Do not earth the
common terminal
(including SD).
Terminal 4 input
(current input)
Do not band connection
cables for analog input
Plug-in option connector
with power circuits such
as a circuit that carries
200 V (400 V), and wire
Safety stop signal
them as far as possible.
Safety stop input (Channel 1)
Safety stop input (Channel 2)
This side shows the
input signal terminal
group.
DC reactor
(FR-HEL)
Check the power supply
voltage carefully before
connecting.
Jumper
Phase sequence is not Earth
(Ground)
necessary.
MCCB MC
R/L1
S/L2
T/L3
R1/L11
Jumper
S1/L21
Earth
(Ground)
STF
STR
STP(STOP)
RH
High speed
RM
Middle speed
RL
Low speed
JOG
Jog mode
RT
MRS
Output stop
RES
Reset
AU
CS
after instantaneous
power failure
SD
PC
24 VDC power supply
24 V external power
+24
supply input
SD
Common terminal
10E(+10V)
10(+5V)
3
0 to 5 VDC
2
2
0 to 10 VDC selectable
0 to 20 mADC
5
1
(Analog common)
0 to ±10 VDC
Auxiliary (+) 1
0 to ±5 VDC selectable
(-)
input
4 to 20 mADC
(+)
4
0 to 5 VDC
(-)
0 to 10 VDC
connector 1 connector 2
connector 3
Shorting
24V
wire
PC
S1
S2
SIC
Safety stop input common
SD
Fig. 7.34 Terminal connection diagram (FM type)
7.3 Problems and measures when using inverter
P represents
positive and N This side shows the
represents output signal terminal
negative. (DC) group.
Brake resistor
(FR-ABR)
Brake unit
R
(Option)
Jumper
P1 P/+ PX PR N/-
R
U
Inrush current
V
limit circuit
W
ON
EMC filter
ON/OFF
connecter
OFF
Main circuit
Control circuit
C1
B1
PU
Relay output 1
connector
(fault output)
A1
C2
USB A
connector
B2
Relay output 2
USB A2
mini B
connector
RUN
Running
SU
Up to frequency
IPF
Instantaneous
power failure
OL
Overload
FU
Frequency detection
SE
Open collector
output common
Sink/source common
F/C
Voltage/current
(FM)
input switch
ON
SD
OFF
2
4
Initial value
AM
5
Initial value
TXD+
Initial value
TXD-
selectable
RXD+
RXD-
GND
(SG)
Terminating
VCC
resistor
Output shutoff
So
Safety monitor output
circuit
SOC
Safety monitor output common
When the phase
sequence of the motor
is switched, the rotating
direction changes.
Motor
M
Earth (Ground)
A vector inverter
requires an encoder.
Earth (Ground)
Connect it correctly.
Earth (ground) it
securely with a
proper cable gauge.
Dry contact output.
Check contact
specifications before use.
Open collector
output.
A power supply
(24 VDC or less)
is necessary.
Pay attention
to the polarity.
It is not necessary when
the setting is configured
by using the parameter
unit.
Indicator
+ -
(such as a frequency meter)
Calibration
Moving-coil type
resistor
1 mA full-scale
(+) Analog signal output
(0 to ±10 VDC)
(-)
RS-485 terminals
Data send
Data receive
GND
5 V
(Permissible load current 100 mA)
1
2
3
4
5
6
7
8
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