Wiring Procedures; Terminal Connection Diagrams - Mitsubishi Electric FR-A800 Installation Manuallines

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3 WIRING

3.1 Terminal connection diagrams

3.1.1 FR-A820/A840
 FM type
Sink logic
Main circuit terminal
Control circuit terminal
MCCB
3-phase
AC power
supply
Control input signals
Forward rotation start
Reverse rotation start
Start self-holding selection
High speed
Multi-speed
Middle
selection
speed
Low speed
Jog operation
Second function selection
Output stop
Terminal 4 input selection
(Current input selection)
Selection of automatic
restart after instantaneous
power failure
Contact input common
(Common for external power supply
24V external power supply
Common terminal
Frequency setting signals (Analog)
3
Frequency setting
potentiometer
Ω
∗6
1/2W, 1k
1
Auxiliary input
Terminal 4 input
(Current input)
Connector for plug-in option
connection
Safety stop signal
Safety stop input (Channel 1)
Safety stop input (Channel 2)
Safety stop input common
For footnotes *1 to *12 refer to next page.
DC reactor
(FR-HEL)
Earth
Jumper
P1
MC
R/L1
S/L2
T/L3
R1/L11
Jumper
S1/L21
*2
Earth
Control circuit
*3
STF
STR
STP(STOP)
RH
RM
RL
JOG
∗4
RT
MRS
RES
Reset
AU
CS
SD
24VDC power supply
PC
transistor)
+24
input
SD
∗5
10E(+10V)
OFF
10(+5V)
0 to 5VDC
2
2
0 to 10VDC
4 to 20mADC
5
Analog common
0 to ±10VDC
(+)
1
0 to ±5VDC
(-)
4 to 20mADC
(+)
4
0 to 5VDC
(-)
0 to 10VDC
connector 1
connector 3
24V
Shorting
wire
PC
S1
Output
shutoff
S2
circuit
SIC
SD
Brake resistor
(FR-ABR)
*7*8
*1
Brake unit
R
(option)
P/+
PX
PR
N/-
R
U
Inrush current
limit circuit
V
W
ON
EMC filter
ON/OFF
connector
OFF
Main circuit
C1
B1
A1
C2
B2
A2
RUN
Running
SU
Up to frequency
IPF
Instantaneous power failure
OL
Overload
FU
Frequency detection
SE
24V
PU
con-
Voltage/current
nector
input switch
F/C
USB A
ON
(FM)
con-
*11
2
4
nector
Initial value
SD
∗5
selectable
USB
mini B
AM
con-
Initial
nector
5
value
selectable
∗5
TXD+
Initial value
TXD-
∗5
selectable
RXD+
connector 2
RXD-
SG
Termi-
nating
VCC
resistor
So
Safety monitor output
SOC
Safety monitor output common
FR-A820-00770(15K)–01250(22K)
FR-A840-00470(18.5K)–01800(55K)
Brake resistor
DC reactor
(FR-ABR)
(FR-HEL)
*1
Jumper
Earth
Motor
M
Earth
Relay output
*9
Relay output 1 (Alarm output)
Relay output 2
Open collector output
*10
Open collector output common
Sink/source common
Indicator
+
-
(Frequency meter, etc.)
Calibration
Moving coil type
resistor
1mA full-scale
*12
(+)
Analog signal output
(0 to ±10VDC)
(-)
RS-485 terminals
Data transmission
Data reception
GND
5V (Permissible load
current 100mA)
*8
Brake unit
(option)
5

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