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Mitsubishi Electric FR-A700 Instruction Manual Page 229

Fr-a700 series to 03460-na/09620-na/00330-n4/00170-n4.
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(1) Connection example
MCCB
Three-phase
AC power
supply
Forward rotation start
Reverse rotation start
Orientation command
Contact input common
*1
The pin number differs according to the encoder used.
*2
Use Pr. 178 to Pr. 189 (input terminal function selection) to assign the function to any of terminal. (Refer to page 228.)
*3
Use Pr. 190 to Pr. 196 (output terminal function selection) to assign the function to any of terminal. (Refer to page 236.)
*4
Connect the encoder so that there is no looseness between the motor and motor shaft. Speed ratio should be 1:1.
*5
Earth (Ground) the shielded cable of the encoder cable to the enclosure with a P clip, etc. (Refer to page 41.)
*6
For the differential line driver, set the terminating resistor selection switch to on position (initial status) to use. (Refer to page 37.)
Note that the terminating resistor switch should be set to off position when sharing the same encoder with other unit (NC, etc) or a terminating
resistor is connected to other unit.
For the complementary, set the switch to off position.
*7
For terminal compatibility of the FR-JCBL, FR-V7CBL and FR-A7AP, refer to page 38.
*8
A separate power supply of 5V/12V/15V/24V is necessary according to the encoder power specification.
When performing encoder feedback control and vector control together, an encoder and power supply can be shared.
*9
When a stop position command is input from outside, a plug-in option FR-A7AX is necessary. Refer to page 220 for external stop position
command.)
*10 For the fan of the 7.5kW or less dedicated motor, the power supply is single phase. (200V/50Hz, 200 to 230V/60Hz)
*11 Assign OH (external thermal input) signal to the terminal CS. (Set "7" in Pr. 186 )
Connect a 2W1kΩ resistor between the terminal PC and CS(OH).
Install the resistor pushing it against the bottom part of the terminal block so as to avoid a contact with
other cables.
<Setting>
If the orientation command signal (X22) is turned on during operation after the various
parameters have been set, the speed will decelerate to the "orientation switchover speed". After the "orientation stop
distance" is calculated, the speed will further decelerate, and the "orientation state" (servo lock) will be entered. The
"orientation complete signal" (ORA) will be output when the "orientation complete width" is entered.
(2) Setting I/O singals
Termi
Terminal Name
nal
X22
Orientation command input
*1
SD
Contact input common
Orientaiton complete signal
ORA
*2
output
ORM
Orientation fault signal output
*2
SE
Open collector output common
*1
For X22 signals, assign functions to any of terminal using Pr. 178 to Pr. 189 (ouput terminal function selection). (Refer to page 228)
*2
For ORA and ORM signals, assign functions to any of terminal using Pr. 190 to Pr. 196 (ouput terminal function selection). (Refer to page 236)
SF-JR motor with encoder
Inverter
R/L1
U
S/L2
V
W
T/L3
STF
Earth (Ground)
FR-A7AP
STR
PA1
X22
*2
PA2
SD
PB1
ORA
*3
PB2
ORM
*3
PZ1
SE
PZ2
Differential
SD
PG
FR-A7AX
SD
Complimentary
*9
X15
PG
X14
Terminating
SD
*5
resistor ON
X1
(+)
(-)
*7
X0
*6
DY
OFF
Used to enter an orientation signal for orientation.
For the terminal used for X22 signal input, set "22" in any of Pr. 178 to Pr. 189 to assign
the function.
Common terminal for the orientation signal.
Switched low if the orientation has stopped within the in-position zone while the start
and orientation signals are input.
For the terminal used for the ORA signal output, assign the function by setting "27
(positive logic) or 127 (negative logic)" in any of Pr. 190 to Pr. 196.
Switched low if the orientation has not stopped within the in-position zone while the
start and orientation signals are input.
For the terminal used for the ORM signal output, assign the function by setting "28
(positive logic) or 128 (negative logic)" in any of Pr. 190 to Pr. 196.
Common terminal for the ORA and ORM open collector output terminals.
Motor brake and stop operation
For complementary type
*10
Three-phase
U
AC power
V
supply
IM
W
Inverter
E
C
*1
External
R
thermal relay
input
*11
CS(OH)
A
N
FR-A7AP
PA1
Encoder
B
PA2
P
PB1
*4
PB2
H
PZ1
Differential
K
PZ2
Complimentary
Terminating
resistor ON
5VDC power
supply
*8
*6
OFF
Application Explanation
(SF-V5RU)
MCCB
SF-V5RU
A
B
FAN
C
U
U
V
V
IM
W
W
E
Earth (Ground)
PC
Thermal
2W1kΩ
relay
G1
protector
G2
SD
*1
A
B
C
D
Encoder
F
G
*4
PG
S
SD
R
PG
SD
*5
(-)
(+)
12VDC power
*7
supply
*8
CS(OH)
PC
Control circuit
terminal block
Resistor (2W1kΩ)
4
219

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