Thank you for choosing the Mitsubishi transistorized inverter option unit.
C
This instruction manual gives handling information and precautions for use of this product. Incorrect handling might
cause an unexpected fault. Before using the equipment, please read this manual carefully to use it to its optimum.
Please forward this manual to the end user.
Safety Instructions
Do not attempt to install, operate, maintain or inspect this product until you have read through this instruction
manual and appended documents carefully and can use the equipment correctly. Do not use this product until
you have a full knowledge of the equipment, safety information and instructions.
In this manual, the safety instruction levels are classified into "WARNING" and "CAUTION".
WARNING
AUTION
Note that even the CAUTION level may lead to a serious consequence under some circumstances. Please follow the
instructions of both levels as they are important to personnel safety.
Denotes that incorrect handling may cause hazardous conditions, resulting in death or
severe injury.
Denotes that incorrect handling may cause hazardous conditions, resulting in medium or
slight injury, or may cause physical damage only.
2
SAFETY INSTRUCTIONS
1. Electric Shock Prevention
WARNING
While power is on or when the inverter is running, do not open the front cover. You may get an electric shock.
Do not run the inverter with the front cover removed. Otherwise, you may access the exposed high-voltage
terminals and charging part and get an electric shock.
If power is off, do not remove the front cover except for wiring or periodic inspection. You may access the
charged inverter circuits and get an electric shock.
Before starting wiring or inspection, switch power off, wait for more than 10 minutes, and check for no residual
voltage with a tester or the like.
Any person who is involved in the wiring or inspection of this equipment should be fully competent to do the
work.
Always install the option unit before wiring. Otherwise, you may get an electric shock or be injured.
Operate the switches with dry hands to prevent an electric shock.
Do not subject the cables to scratches, excessive stress, heavy loads or pinching. Otherwise, you may get an
electric shock.
2. Injury Prevention
CAUTION
Apply only the voltage specified in the instruction manual to each terminal to prevent damage, etc.
Ensure that the cables are connected to the correct terminals.
Otherwise, damage, etc. may occur.
Always make sure that polarity is correct to prevent damage, etc.
While power is on or for some time after power-off, do not touch the inverter as it is hot and you may get burnt.
3
3. Additional instructions
Also note the following points to prevent an accidental failure, injury, electric shock, etc.:
(1) Transportation and installation
CAUTION
Do not install or operate the option unit if it is damaged or has parts missing.
Do not stand or rest heavy objects on the product.
Check that the mounting orientation is correct.
Prevent screws, metal fragments, conductive bodies or oil, other flammable substance from entering the inverter.
(2) Test operation and adjustment
CAUTION
Before starting operation, confirm and adjust the parameters. A failure to do so may cause some machines to
make unexpected motions.
(3) Usage
Do not modify the equipment.
WARNING
4
CAUTION
When parameter clear or all parameter clear is performed, each parameter returns to the factory setting. Re-set
the required parameters before starting operation.
For prevention of damage due to static electricity, touch nearby metal before touching this product to eliminate
static electricity from your body.
(4) Maintenance, inspection and parts replacement
CAUTION
Do not test the equipment with a megger (measure insulation resistance).
(5) Disposal
CAUTION
Dispose of this product as general industrial waste.
(6) General instruction
All illustrations given in this manual may have been drawn with covers or safety guards removed to provide in-depth
description. Before starting operation of the product, always return the covers and guards into original positions as
specified and operate the equipment in accordance with the manual.
5
1 PRE-OPERATION INSTRUCTIONS8
1.1 Unpacking and Product Confirmation8
1.2 Packing Confirmation8
1.3 Structure9
2 INSTALLATION10
2.1 Pre-Installation Instructions10
2.2 Installation Procedure10
2.3 Wiring11
3 ORIENTATION CONTROL12
3.1 Wiring Example12
3.2 Input Circuit13
3.3 Terminals14
3.4 Wiring Instructions17
3.5 Related Parameter List20
3.6 Pre-Operation Settings2 1
3.7 Operation25
3.8 Instructions32
3.9 Specifications33
4 PLG FEEDBACK CONTROL34
4.1 Wiring Example34
4.2 Input Circuit35
4.3 Terminals36
4.4 Wiring Instructions37
4.5 Related Parameter List39
4.6 Pre-Operation Settings4 0
4.7 Control Mode Setting41
4.8 PLG Feedback Control42
4.9 Vector control44
4.10 Additional Functions51
4.11 Specifications54
6
5 PULSE TRAIN INPUT55
5.1 Wiring Example55
5.2 Terminals55
5.3 Adjustment56
5.4 Parameter Definition56
5.5 Setting Example57
5.6 Specifications58
7
PRE-OPERATION INSTRUCTIONS
1. PRE-OPERATION INSTRUCTIONS
1.1. Unpacking and Product Confirmation
Take the option unit out of the package, check the unit name, and confirm that the product is as you ordered and
intact.
Note:This product may be used with the inverter manufactured during and after February, 1998.
The inverter may be used with this unit if its SERIAL number indicated on the rating plate and package plate
has the following version or later. (The SERIAL number on the package plate uses the 3 most significant
digits of the following 6-digit control number and is indicated in 6 digits including the version symbol.)
ModelSERIAL Number
FR-A520-0.4K, 0.75KU82
FR-A520-1.5K to 11KT82
FR-A520-15K to 22KU82
FR-A520-30K to 55KK82
FR-A540-0.4K to 3.7KL82
FR-A540-5.5K, 7.5KK82
FR-A540-11K to 22KL82
FR-A540-30K to 55KD82
1.2. Packing Confirmation
Make sure that the package includes the following accessories:
Instruction manual1
Mounting screws M3
Terminal resistor jumpers (Jumpers fitted to the terminal block)3
102
U 8 2
Symbol Year Month Control number
SERIAL number
SERIAL is made up of 1 version symbol and
8 numeric characters as shown above.
8
1.3. Structure
T
y
j
g
g
g
Mounting hole
erminal block
screw size M3
Front view
Mountin
holes
Rear view
Mountin
hole
Terminal s
mbol
PIN PO 5VPA2
SG PA1
FR-A5AP
Terminal resistor
PAR
PB1 PB2 PBR PC1 PC2
umpers
PCR
Option fixin
holes
Connector
9
I.ISTALLATION
2.INSTALLAT ION
2.1. Pre-Installation Instructions
(1) Make sure that the input power of the inverter is off and make sure the charge light is off.
(2) When the FR-A5AP unit is used for PLG feedback control or orientation control, a PLG (motor with PLG) and
external power supply are required.
When PLG feedback control and orientation control are used together, the PLG (motor with PLG) and external power
supply are shared between these controls.
(3) When the FR-A5AP unit is fitted, the programmed operation function is made invalid.
CAUTION
With input power on, do not install or remove the option unit. Otherwise, the inverter and option unit
may be damaged.
2.2. Installation Procedure
(1) Securely insert the connector of the option unit far into the connector of the inverter. At this time, also fit the option
fixing holes securely.
(2) Securely fix the option unit to the inverter on both sides with the accessory mounting screws. If the screw holes
do not match, the connector may not have been connected correctly. Check for loose connections.
CAUTION
When installing the inverter front cover, the cables to the inverter's control circuit terminals and option
terminals should be routed properly in the wiring space to prevent them from being caught between the
inverter and its cover.
10
2.3. Wiring
y
(
)
g
(
)
Route the cables so that they do not take up a large space in the control circuit terminal block wiring area of the
option unit.
Wire the twisted pair shielded cable after stripping its sheath to make its cables loose. Also, protect the shield cable
of the twisted pair shielded cable to ensure that it will not make contact with the conductive area.
Note:During wiring, do not leave wire off-cuts in the inverter. They can cause a fault, failure or malfunction.
Accessor
2 pcs.
Option unit
screw
Inverter
Without cover
Slot 1
Slot 2
L
Shield cable
Inverter side
connector
Cable routin
Option side
connector
Slot 3
Twisted pair shielded cable
Sheath Stripping Dimensions for Shield Cable
Inverter
Capacity
0.4K to 3.7KL: 350mmL: 300mmL: 250mm
5.5K to 55KL: 270mmL: 220m mL: 170mm
Slot 1Slot 2Slot 3
I.ORIENTATION CONTROL
11
3. ORIENTATION CONTROL
)
y
(
)
(
)
(
)
(
)
(
)
y
)
(
)
(
)
(
)
(
)
This function is used with a position detector (PLG) installed to the spindle of a machine tool (or the motor) to allow a
rotary shaft to be stopped at the specified position (oriented).
Pr. 350 "stop position command selection" is factory-set to "9999" to make the orientation control function invalid.
3.1. Wiring Example
Power suppl
NFB
R
S
T
Inverter
Standard motor with PLG (SF-JR
U
V
W
Note 1
IM
Forward rotation
Reverse rotation
Orientation command
In position
Orientation fault
Output common
External stop command
STF
STR
Note 5
X22
SD
Note 6
ORA
Note 6
ORM
SE
SD
FR-A5AX
X11
X10
X1
X0
DY
FR-A5AP
PA1
PA2
PAR
PB1
PB2
PBR
PC1
PC2
PCR
5V
SG
Note 7
Note 4
Note 4
Note 4
Note 1
C
R
A
N
B
P
H
K
E
5VDC
5V
0
power suppl
(Note 2
PLG
12
Note:1. When the motor with a PLG used is other than the standard motor with PLG (SF-JR), the pin numbers
are different. To reduce radiated noise, connect the shield wires of the PLG cables to the CG.
2. When orientation control is used with PLG feedback control, the PLG and 5V power supply may be
shared between these controls.
3. Couple the PLG in line with the motor with a speed ratio of 1 to 1 without any mechanical looseness.
4. Keep the accessory jumpers connected. However, when the same PLG is shared between the FR-A5AP
and another unit (e.g. NC) which is connected with a terminal resistor, the built-in terminal resistors are
not required and should be removed. (Terminal resistors: 100)
5. Assign this function to any of the input terminals using Pr. 180 to Pr. 186 "input terminal function
selection".
6. Assign this function to any of the output terminals using Pr. 190 to Pr. 195 "output terminal function
selection".
7.When the stop position command is entered from outside the inverter (externally), the FR-A5AX inboard
option is required.
3.2. Input Circuit
1k
+
+
+
-
-
-
1000pF
1000pF
1000pF
1000pF
1000pF
1000pF
100
100
100
100
100
100
1k
1k
1k
1k
1k
100
100
100
1F
PA1
PAR
PA2
PB1
PBR
PB2
PC1
PCR
PC2
5V
SG
Jumpers
13
3.3. Terminals
SymbolTerminalRemarksDescription
PA1PLG A-phase signal input terminal
PA2PLG A-phase inverse signal input
terminal
PB1PLG B-phase signal input terminal
PB2PLG B-phase inverse signal input
terminal
PC1PLG C(Z)-phase signal input terminal
PC2PLG C(Z)-phase inverse signal input
terminal
PARA-phase terminal resistor terminalFactory-connected with "PA2" by the
PBRB-phase terminal resistor terminalFactory-connected with "PB2" by the
PCRC(Z)-phase terminal resistor terminalFactory-connected with "PC2" by the
5VDC power (positive) input terminal
SGDC power ground terminal
For information on t he
pulse signals, refer to
page 11.
4.75 to 6VDC (Current
consumption 50mA)
A-, B- and C(Z)-phase signals are input
from the PLG
jumper. Remove the jumper when the
terminal resistor is not needed
jumper. Remove the jumper when the
terminal resistor is not needed
jumper. Remove the jumper when the
terminal resistor is not needed
PLG power supply common terminals.
Input PLG power. Connect the positive
side to 5V and the ground side to SG.
Also, connect the shield of the shield wire
to SG.
14
<Inverter I/O terminals>
SymbolTerminalRemarksDescription
(Note 1)
X22
SDCommon terminalCommon terminal for the orientation
ORA
(Note 2)
ORM
(Note 2)
SEOpen collector output
Note:1. Assign the function of the X22 signal to any of the input terminals using Pr. 180 to Pr. 186 "input terminal
function selection".
2. Assign the functions of the ORA/ORM signal to any of the output terminals using Pr. 190 to Pr. 195
"output terminal function selection".
Orientation command input
terminal
In-position signal output
terminal
Orientation fault signal output
terminal
common terminal
Open collector output.
Permissible load
24VDC, 0.1A
Open collector output.
Permissible load
24VDC, 0.1A
Used to enter an orientation signal.
signal.
Switched low if the orientation has
stopped within the in-position zone while
the start and orientation signals are input.
Switched low if the orientation has not
stopped within the in-position zone while
the start and orientation signals are input.
Common terminal for the ORA and ORM
open collector output terminals. I s olated
from the common terminal of the control
circuit.
15
<FR-A5AX, inverter input ter mi nals>
g
SymbolTerminalRemarksDescripti on
X0
to
X11
FRA5AX
input
terminal
s
Inverter
input
terminal
s
How to use terminal DY (when the stop position is specified from outside the inverter (externally) ).
DYData read timing
SDCommon
PCExternal
Digital signal
input terminals
input signal
terminal (sink)
transistor
common
terminal (source)
DY
Position data
Use a micro current switching
contact relay for the relay
contact. A transistor with the
following specifications should
be selected for the open
collector signal:
Electrical characteristics of the
transistor used;
10mA
I
C
V
Leakage current 100A max.
If I
voltage is 3V max.
Position command latch
30V
CE
10mA, V
C
200ms or lon
CE(sat)
er
Used to input digital signals through either relays or
open collector transistors.
As the command signals are ent ered, speed or position
commands are selected using Pr. 360.
Used when a digital signal read timing signal is
necessary. Data is only read while terminals DY-SD are
shorted. By opening terminals DY-SD, the data before
opening is retained.
Common terminal for digital signal input terminals and
data read timing signals
When connecting the transistor output (open collector
output) of a programmable controller (PC), etc., connect
the external power common (positive) to this terminal to
prevent a fault occurring due to leakage current
When terminals DY-SD are open, the inverter does not import data. Therefore, if the input status of the X0-X11
signals change, the stop position data before opening of terminals DY-SD is valid.
Also, the position data is imported on the leading edge of the DY signal.
Note: Pr. 300 to Pr. 304 settings for the FR-A5AX are made invalid when the stop position is set to be specified
from outside the inverter (externally), with the FR-A5AP (orientation control option) fitted to the inverter and
when orientation control is used.
Pr. 300 to Pr. 305 of the FR-A5AX are made valid when the stop position is not set from outside the inverter.
16
3.4. Wiring Instructions
(1) Connection with the position detector (PLG).
2
Use twisted pair shielded cables (0.2mm
Cables to terminals 5V and SG should be connected in parallel or be larger in size according to the cable length
table as indicated below.
To protect the cables from noise, run them (at least 10cm) away from any source of noise (e.g. the main circuit
and power supply voltage).
Note: If the cable size is too large to connect the terminals to the terminal block or if the number of cables is
increased due to parallel connection and they cannot be contained in the wiring space, provide a junction terminal
block, for example.
(2) Cable length.
1) Cable length within 30m.
or larger) to connect the FR-A5AP and position detector (PLG).
Cable Length
Within 10mAt least 2 cables
Within 20mAt least 4 cables
Within 30mAt least 6 cables
Number of Parallel Cables of 0.2mm
Required
2) Cable length of more than 30m.
Use a power supply slightly higher than 5V (approximately 5.5V) in addition to 6 or more parallel cables of
2
0.2mm
or cables of 1.25mm2 or more. This allows the cable length to be increased up to 100m. Note that the
voltage applied
across terminals 5V-SG must not exceed 6V.
2
Larger-Size Cable
0.4mm
0.75mm
1.25mm
or larger
2
or larger
2
or larger
2
17
3) Connection with NC. (Or similar device)
(
)
When one position detector is shared between the FR-A5AP and NC (or another device), its output signals
should be connected as shown below. In this case, the cable length between the FR-A5AP and NC should be
as short as possible, within 5m.
Position detector
PLG
Inverter
FR-A5AP
NC
Max. 5m
2 parallel cables
(3) Connection of terminal resistors.
Use the jumpers across PA2-PAR, PB2-PBR and PC2-PCR to connect terminal resistors to the A, B and C(Z)phases of the PLG. Normally, keep the jumpers fitted.
However, remove the jumpers when the same PLG is shared between the FR-A5AP and the other unit (e.g. NC)
which is connected with a terminal resistor.
18
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