Sumitomo HF-320a Series Operating instructions

Operating and Maintenance Manual DM2001E-1.0
HF-320αSeries
Three phase input 200V class 0.2~7.5kW
Single phase input 200V class 0.2~2.2kW
Three phase input 400V class 0.4~7.5kW
Home page http://www.shi.co.jp/ptc/
Specifications, dimensions and other items in the
catalog are subject to change without notice. 2004.5
Operating and Maintenance Manual
HF-320α
DM2001E-1.0
NOTIC E
1. Make sure that this operating and maintenance
manual is delivered to the end user of inverter unit.
2. R ead this manual before installing or operating
the inverter unit, and store it in a safe place for
reference.

S afety precaution
Introduction
C ontents
R ead first
C onnection equipment
B a sic HF -320α
operations
B as ic para meters
E xtended parameters
Applied operations
Monitoring the
operation status
Taking measures
to satisfy the
C E directive
P eripheral de vices
Table of parameters
and data
S pecifications
B efore making a s ervice
call-T rip information and
remedies
Ins pection and
maintenance
Warranty
Dispos al of the inverter
Operations

1
I
I. Safety precautions
The items described in these instructions and on the inverter itself are very important so that you can use the in-
verter safely prevent injury to yourself and other people around you as well as prevent damage to property in the
area. Thoroughly familiarize yourself with the symbols and indications shown below and then continue to read the
manual. Make sure that you observe all warnings given.
Explanation of markings
Marking Meaning of marking
Danger
Indicates that errors in operation may lead to death or serious injury.
Warning
Indicates that errors in operation may lead to injury (*1) to people or that these errors may
cause damage to physical property. (*2)
(*1) Such things as injury, burns or shock that will not require hospitalization or long periods of outpatient treat-
ment.
(*2) Physical property damage refers to wide-ranging damage to assets and materials.
Meanings of symbols
Marking Meaning of marking
Indicates prohibition (Don't do it).
What is prohibited will be described in or near the symbol in either text or picture form.
Indicates something mandatory (must be done).
What is mandatory will be described in or near the symbol in either text or picture form.
Indicates danger.
What is dangerous will be described in or near the symbol in either text or picture form.
Indicates warning.
What the warning should be applied to will be described in or near the symbol in either text or picture form.
■Limits in purpose
This inverter is used for controlling speeds of three-phase induction motors in general industrial use.
Safety precautions
The inverter cannot be used in any device that would present danger to the human body or from which
malfunction or error in operation would present a direct threat to human life (nuclear power control de-
vice, aviation and space flight control device, traffic device, life support or operation system, safety de-
vice, etc.). If the inverter is to be used for any special purpose, first get in touch with the people in
charge of sales.
This product was manufactured under the strictest quality controls but if it is to be used in critical equip-
ment, for example, equipment in which errors in malfunctioning signal output system would cause a ma-
jor accident, safety devices must be installed on the equipment.
Do not use the inverter for loads other than those of properly applied three-phase induction motors in
general industrial use. (Use in other than properly applied three-phase induction motors may cause an
accident.)

2
I
■General Operation
Danger See item
Disassembly
prohibited
•Never disassemble, modify or repair.
This can result in electric shock, fire and injury. For repairs, call your sales agency.
2.
Prohibited
•Never remove the front cover when power is on or open door if enclosed in a cabinet.
The unit contains many high voltage parts and contact with them will result in electricshock.
•Don't stick your fingers into openings such as cable wiring hole and cooling fan covers.
This can result in electric shock or other injury.
•Don't place or insert any kind of object into the inverter (electrical wire cuttings, rods, wires).
This can result in electric shock or fire.
•Do not allow water or any other fluid to come in contact with the inverter.
This can result in electric shock or fire.
2.1
2.
2.
2.
Mandatory
•Turn power on only after attaching the front cover or closing door if enclosed in a cabinet.
If power is turned on without the front cover attached or closing door if enclosed in a cabi-
net. This can result in electric shock or other injury.
•If the inverter begins to emit smoke or an unusual odor, or unusual sounds, immediately
turn power off.
If the equipment is continued in operation in such a state, the result may be fire. Call your
local sales agency for repairs.
•Always turn power off if the inverter is not used for long periods of time since there is a
possibility of malfunction caused by leaks, dust and other material. If power is left on with
the inverter in that state, it may result in fire.
2.1
3.
3.
Warning See item
Prohibited
contact
•Do not touch heat radiating fins or discharge resistors.
These device are hot, and you'll get burned if you touch them. 3.
Prohibited
•Avoid operation in any location where there is direct spraying of the following solvents or
other chemicals.
The plastic parts may be damaged to a certain degree depending on their shape, and
there is a possibility of the plastic covers coming off and the plastic units being dropped.
If the chemical or solvent is anything other than those shown below, please contact us in
advance.
1.4.4
(Table 1) Examples of applicable chemicals
and solvents
Acetic acid (density of 10% or less)
Hydrochloric acid (density of 10% or less)
Sulfuric acid (density of 10% or less)
Sodium chloride
Hexane
Triethylene glycol
(Table 2) Examples of unapplicable
chemicals and solvents
Acetone
Benzene
Chloroform
Ethylene chloride
Ethyl acetate
Glycerin
Tetrachloroethylene
Trichloroethylene
Xylene

3
I
■Transportation & installation
Danger See item
Prohibited
•Do not install or operate the inverter if it is damaged or any component is missing.
This can result in electric shock or fire. Please consult your local sales agency for repairs.
Call your local sales agency for repairs.
•Do not place any inflammable objects nearby.
If a flame is emitted due to malfunction, it may result in a fire.
•Do not install in any location where the inverter could come into contact with water or
other fluids.
This can result in electric shock or fire.
1.4.4
1.4.4
2.
Mandatory
•Must be used in the environmental conditions prescribed in the instruction manual.
Use under any other conditions may result in malfunction.
•Mount the inverter on a metal plate.
The rear panel gets very hot. If installation is in an inflammable object, this can result in
fire.
•Do not operate with the front panel cover removed. This can result in electric shock. Fail-
ure to do so can lead to risk of electric shock and can result in death or serious injury.
•An emergency stop device must be installed that fits with system specifications (e.g. shut
off input power then engage mechanical brake). Operation cannot be stopped immediately
by the inverter alone, thus risking an accident or injury.
•All options used must be those specified by Toshiba.
The use of any other option may result in an accident.
1.4.4
1.4.4
1.4.4
1.4.4
1.4.4
Warning See item
Prohibited
•When transporting or carrying, do not hold by the front panel covers.
The covers may come off and the unit will drop out resulting in injury.
•Do not install in any area where the unit would be subject to large amounts of vibration.
That could result in the unit falling, resulting in injury.
2.
1.4.4
Mandatory
•The main unit must be installed on a base that can bear the unit's weight.
If the unit is installed on a base that cannot withstand that weight, the unit may fall result-
ing in injury.
•If braking is necessary (to hold motor shaft), install a mechanical brake.
The brake on the inverter will not function as a mechanical hold, and if used for that pur-
pose, injury may result.
1.4.4
1.4.4
■Wiring
Danger See item
Prohibited
•Do not connect input power to the output (motor side) terminals (U/T1,V/T2,W/T3).
That will destroy the inverter and may result in fire.
•Do not connect resistors to the DC terminals (across P(+)-N(-) or P1-N(-)).
That may cause a fire.
Connect a resistor in accordance with 6.13.4.
•Within ten minutes after turning off input power, do not touch wires of devices (MCCB)
connected to the input side of the inverter.
That could result in electric shock.
2.2
2.2
2.2

4
I
Danger See item
Mandatory
•Electrical construction work must be done by a qualified expert.
Connection of input power by someone who does not have that expert knowledge may re-
sult in fire or electric shock.
•Connect output terminals (motor side) correctly.
If the phase sequence is incorrect, the motor will operate in reverse and that may result in
injury.
•Wiring must be done after installation.
If wiring is done prior to installation that may result in injury or electric shock
•The following steps must be performed before wiring.
(1) Turn off all input power.
(2) Wait at least ten minutes and check to make sure that the charge lamp is no longer lit.
(3) Use a tester that can measure DC voltage (800VDC or more), and check to make sure
that the voltage to the DC main circuits (across P(+)-N(-)) is 45V or less.
If these steps are not properly performed, the wiring will cause electric shock.
•Tighten the screws on the terminal board to specified torque.
If the screws are not tightened to the specified torque, it may lead to fire.
•Check to make sure that the input power voltage is +10%, -15% of the rated power volt-
age written on the rating label (±10% when the load is 100% in continuous operation).
If the input power voltage is not +10%, -15% of the rated power voltage (±10% when the
load is 100% in continuous operation) this may result in fire.
2.1
2.1
2.1
2.1
2.1
1.4.4
Be Grounded
•Ground must be connected securely.
If the ground is not securely connected, it could lead to electric shock or fire when a
malfunction or current leak occurs.
2.1
2.2
Warning See item
Prohibited
•Do not attach equipment (such as noise filters or surge absorbers) that have built-in ca-
pacitors to the output (motor side) terminals.
That could result in a fire.
2.1
■Operations
Danger See item
Prohibited
•Do not touch inverter terminals when electrical power is going to the inverter even if the
motor is stopped.
Touching the inverter terminals while power is connected to it may result in electric shock.
•Do not touch switches when the hands are wet and do not try to clean the inverter with a
damp cloth.
Such practices may result in electric shock.
•Do not go near the motor in alarm-stop status when the retry function is selected.
The motor may suddenly restart and that could result in injury.
Take measures for safety, e.g. attaching a cover to the motor, against accidents when the mo-
tor unexpectedly restarts.
3.
3.
3.
Mandatory
•Turn input power on after attaching the front cover.
When storing inside the cabinet and using with the front cover removed, always close the
cabinet doors first and then turn power on. If the power is turned on with the front cover or
the cabinet doors open, it may result in electric shock.
•Make sure that operation signals are off before resetting the inverter after malfunction.
If the inverter is reset before turning off the operating signal, the motor may restart
suddenly causing injury.
3.
3.

5
I
Warning See item
Prohibited
•Observe all permissible operating ranges of motors and mechanical equipment. (Refer to
the motor's instruction manual.)
Not observing these ranges may result in injury.
3.
When sequence for restart after a momentary failure is selected (inverter)
Warning See item
Mandatory
•Stand clear of motors and mechanical equipment.
If the motor stops due to a momentary power failure, the equipment will start suddenly af-
ter power recovers. This could result in unexpected injury.
•Attach warnings about sudden restart after a momentary power failure on inverters, mo-
tors and equipment for prevention of accidents in advance.
6.12.1
6.12.1
When retry function is selected (inverter)
Warning See item
Mandatory
•Stand clear of motors and equipment.
If the motor and equipment stop when the alarm is given, selection of the retry function will
restart themsuddenly after the specified time has elapsed. This could result in unexpected
injury.
•Attach warnings about sudden restart in retry function on inverters, motors and equipment
for prevention of accidents in advance.
6.12.3
6.12.3
Maintenance and inspection
Danger See item
Prohibited
•Do not replace parts.
This could be a cause of electric shock, fire and bodily injury. To replace parts, call the lo-
cal sales agency.
14.2
Mandatory
•The equipment must be inspected every day.
If the equipment is not inspected and maintained, errors and malfunctions may not be dis-
covered and that could result in accidents.
•Before inspection, perform the following steps.
(1) Turn off all input power to the inverter.
(2) Wait at least ten minutes and check to make sure that the charge lamp is no longer lit.
(3) Use a tester that can measure DC voltages (800VDC or more), and check to make
sure that the voltage to the DC main circuits (across P(+)-N(-)) is 45V or less.
If inspection is performed without performing these steps first, it could lead to electric
shock.
14.
14.

6
I
Disposal
Warning See item
Mandatory
•If you throw away the inverter, have it done by a specialist in industry waste disposal(*).
If you throw away the inverter by yourself, this can result in explosion of capacitor or pro-
duce noxious gases, resulting in injury.
(*) Persons who specialize in the processing of waste and known as "industrial waste prod-
uct collectors and transporters" or "industrial waste disposal persons. "If the collection,
transport and disposal of industrial waste is done by someone who is not licensed for
that job, it is a punishable violation of the law. (Laws in regard to cleaning and processing
of waste materials)
16.
Attach warning labels
Shown here are examples of warning labels to prevent, in advance, accidents in relation to inverters, motors and other
equipment.
Be sure to affix the caution label where it is easily visible when selecting the auto-restart function (6.13.1) or the retry
function (6.13.3).
If the inverter has been programmed for restart
sequence of momentary power failure, place warning
labels in a place where they can be easily seen and
read.
(Example of warning label)
If the retry function has been selected, place warning
labels in a location where they can be easily seen and
read.
(Example of warning label)
Warning (Functions pro-
grammed for restart)
Do not go near motors and equipment.
Motors and equipment that have stopped tempo-
rarily after momentary power failure will restart
suddenly after recovery.
Warning (Functions pro-
grammed for retry)
Do not go near motors and equipment.
Motors and equipment that have stopped
temporarily after an alarm will restart suddenly
after the specified time has elapsed.

7
II
II. Introduction
Thank you for your purchase of the Sumitomo "HF-320α” inverter.
Please be informed that CPU version will be frequently upgraded.
■Features
1. Built-in noise filter
1) All models in both the 200V and 400V series have a noise filter inside.
2) Compliant with European CE marking standard
3) Reduces space requirements and cuts down on time and labor needed in wiring.
2. Simple operation
1) Automatic functions (torque boost acceleration/deceleration time, function programming)
Just by wiring the motor to the power supply allows instant operation without the need to programpa-
rameters.
2) The potentiometer dial and the RUN/STOP button allow easy operation.
3. Superior basic performance
1) 200% or more starting torque
2) Smooth operation : Reduced rotation ripple through the use of Toshiba's unique dead-band compen-
sation.
3) Built-in current surge suppression circuit : Can be safely connected even if power load is low.
4) Maximum 500Hz high frequency output : Optimum for use with high speed motors such as those in
lumber machinery and milling machines.
5) Maximum carrier frequency : 16kHz quiet operation
Toshiba's unique PWM control reduces noise at low carrier.
4. Globally compatible
1) Compatible with 240V and 500V power supplies
2) Conforms to CE marking and with UL and CSA.
3) Sink/source switching of control input/output.
5. Options allow use with a wide variety of applications
•Internal communications devices (RS485, Modbus RTU, DeviceNET, LonWorks)(Under preparation)
•Extension panel/Parameter writer
•Foot-mounted type noise reduction filter (EMC directive: For class Aand class B) (Under preparation)
•Other options are common to all models

i
 Contents 
I Safety precautions.........................................................................................................................................................1
II Introduction....................................................................................................................................................................7
1. Read first.......................................................................................................................................................................A-1
1.1 Check product purchase....................................................................................................................................A-1
1.2 Contents of the product .....................................................................................................................................A-3
1.3 Names and functions.........................................................................................................................................A-4
1.4 Notes on the application....................................................................................................................................A-16
2. Connection equipment...................................................................................................................................................B-1
2.1 Cautions on wiring.............................................................................................................................................B-1
2.2 Standard connections........................................................................................................................................B-3
2.3 Description of terminals.....................................................................................................................................B-6
3. Operations.....................................................................................................................................................................C-1
3.1 Simplified operation of the HF-320α.................................................................................................................C-2
3.2 How to operate HF-320α..................................................................................................................................C-7
4. Basic HF-320αoperations............................................................................................................................................D-1
4.1 How to set parameters.......................................................................................................................................D-3
5. Basic parameters...........................................................................................................................................................E-1
5.1 Setting acceleration/deceleration time...............................................................................................................E-1
5.2 Increasing starting torque..................................................................................................................................E-3
5.3 Specifying an operation mode, using parameters..............................................................................................E-7
5.4 Selection of operation mode..............................................................................................................................E-8
5.5 Meter setting and adjustment ............................................................................................................................E-10
5.6 Standard default setting.....................................................................................................................................E-13
5.7 Forward/reverse run selection (operation panel operation) ...............................................................................E-14
5.8 Maximum frequency..........................................................................................................................................E-15
5.9 Upper limit and lower limit frequencies..............................................................................................................E-15
5.10 Base frequency..................................................................................................................................................E-16
5.11 Selecting control mode......................................................................................................................................E-17
5.12 Manual torque boost - increasing torque boost at low speeds...........................................................................E-22
5.13 Setting the electronic thermal............................................................................................................................E-22
5.14 Preset-speed operation (speeds in 15 steps)....................................................................................................E-26
6. Extended parameters ....................................................................................................................................................F-1
6.1 Input/output parameters.....................................................................................................................................F-1
6.2 Input signal selection.........................................................................................................................................F-5

ii
6.3 Terminal function selection.................................................................................................................................F-7
6.4 Basic parameters 2............................................................................................................................................F-15
6.5 Frequency priority selection...............................................................................................................................F-16
6.6 Operation frequency...........................................................................................................................................F-23
6.7 DC braking.........................................................................................................................................................F-24
6.8 Auto-stop in case of lower-limit frequency continuous operation .......................................................................F-27
6.9 Jog run mode.....................................................................................................................................................F-28
6.10 Jump frequency-jumping resonant frequencies .................................................................................................F-30
6.11 Preset-speed operation frequencies..................................................................................................................F-31
6.12 PWM carrier frequency ......................................................................................................................................F-31
6.13 Trip-less intensification.......................................................................................................................................F-33
6.14 Drooping control.................................................................................................................................................F-44
6.15 Braking setting functions....................................................................................................................................F-45
6.16 Conducting PID control......................................................................................................................................F-45
6.17 Setting motor constants .....................................................................................................................................F-50
6.18 Acceleration/deceleration Patterns 2 and 3........................................................................................................F-54
6.19 Protection functions............................................................................................................................................F-60
6.20 Adjustment parameters......................................................................................................................................F-72
6.21 Operation panel parameter ................................................................................................................................F-74
6.22 Communication function (Common serial).........................................................................................................F-81
6.23 Parameters for options.......................................................................................................................................F-86
7. Applied operation...........................................................................................................................................................G-1
7.1 Setting the operation frequency.........................................................................................................................G-1
7.2 Setting the operation mode................................................................................................................................G-5
8. Monitoring the operation status......................................................................................................................................H-1
8.1 Status monitor mode..........................................................................................................................................H-1
8.2 Display of trip information...................................................................................................................................H-6
9. Taking measures to satisfy the CE directive...................................................................................................................I-1
9.1 How to cope with the CE directive .....................................................................................................................I-1
10. Peripheral devices..........................................................................................................................................................J-1
10.1 Selection of wiring materials and devices ..........................................................................................................J-1
10.2 Installation of a magnetic contactor....................................................................................................................J-3
10.3 Installation of an overload relay..........................................................................................................................J-4
10.4 Optional external devices...................................................................................................................................J-5
11. Table of parameters and data.........................................................................................................................................K-1
11.1 User parameters ................................................................................................................................................K-1
11.2 Basic parameters...............................................................................................................................................K-1
11.3 Extended parameters.........................................................................................................................................K-4

iii
12. Specifications.................................................................................................................................................................L-1
12.1 Models and their standard specifications...........................................................................................................L-1
12.2 Outside dimensions and mass...........................................................................................................................L-4
13. Before making a service call - Trip information and remedies .......................................................................................M-1
13.1 Trip causes/warnings and remedies..................................................................................................................M-1
13.2 Restoring the inverter from a trip.......................................................................................................................M-6
13.3 If the motor does not run while no trip message is displayed ............................................................................M-7
13.4 How to determine the causes of other problems ...............................................................................................M-8
14. Inspection and maintenance..........................................................................................................................................N-1
14.1 Regular inspection.............................................................................................................................................N-1
14.2 Periodical inspection..........................................................................................................................................N-2
14.3 Making a call for servicing .................................................................................................................................N-4
14.4 Keeping the inverter in storage..........................................................................................................................N-5
15. Warranty........................................................................................................................................................................O-1
16. Disposal of the inverter..................................................................................................................................................P-1

A-1
1
1. Read first
1.1 Check product purchase
Before using the product you have purchased, check to make sure that it is exactly what you ordered.
Warning
Mandatory
Use an inverter that conforms to the specifications of power supply and three-phase induction mo-
tor being used. If the inverter being used does not conform to those specifications, not only will
the three-phase induction motor not rotate correctly, but it may cause serious accidents through
overheating and fire.
Warning label
Inverter main unit
Rating label
!
!
Model: HF3212-A20
Lot No.03E XXXXXXX
Serial No.XXXXXXXXXXXX
0.2kW-0.6kVA-1/4HP
INPUT OUTPUT
3PH 200/2403PH 200/240 0.5/20050/60 1.6
1.8
U(V)
F(Hz)
I(A) S.CKT5000A FUSE CC/J 3max
Cu AWG14: 75
℃
0.8Nm 7.1lb.in
Motor ProtectiveDevice Class 10
Inverter Type
Inverter rated output capacity
Power supply
Related input current
Related output current
Carton box
Name plate
Instrucution manual
This manual
Type indication label
Warning label
Power supply
Motor capacity
Pet name
HF-320α
1PH-200/240V-0.75kW/1HP
Name plate

A-2
1
1.2 Contents of the product
Here is explained the type and formwritten on the label.
* You can switch from one input/output logic to the other using slide switch SW1. (See 2.3.2)
Warning: Always shut power off first then check the ratings label of inverter held in a cabinet.
Ｈ

Ｆ

３

２

１

２

Ａ

２

０

−

Model
HF-320α
series
Input(AC) voltage
2：three-phase 200V～240Ｖ
S：single-phase200V～240V
4：three-phase 380V～500V
Application motor
capacity
A20：0.2kW
A40：0.4kW
A75：0.75kW
1A5：1.5kW
2A2：2.2kW
3A7：3.7kW
5A5：5.5kW
7A5：7.5kW
011：11kW
015：15kW
Type Form

A-3
1
1.3 Names and functions
1.3.1 Outside view
[Front panel 1]
PRG lamp
Lights when the inverter
is in parameter setting
mode.
Blinks when the inverter
is placed in AUH Gr.U
mode.
MON lamp
Lights when the inverter
is in monitor mode.
Blinks when the inverter
is placed in trip record
display mode.
Up key
Up/Down key lamp
Pressing up or down key
when this lamp is lighted
allows the setting of
operation frequency.
Down key
RUN lamp
Lights when an ON command is issued but
no frequency signal is sent out. It binks
when operation is started.
RUN key lamp
Lights when the RUN
Key is enabled.
RUN key
Pressing this key while
the RUN key lamp is
lights starts operation.
STOP/RESET key
Every pressing of this
key while the RUN key
lamp is it will cause a
slowdown stop.
Pressing this key while
the inverter trip reset
the inverter.
Built-in potentiometer
Store key
MON key
Displays operation
frequency,parameters,
and error causes.
Built-in potentiometer
lamp
Operation frequency
can be changed when
the built-in potentiome-
ter lamp is it.
Hertz(Hz) lamp
Lights when a numeric
value is displayed in Hz.
Percent(%) lamp
Lights when a numeric
value is displayed in %.

A-4
1
Charge lamp
Indicates that high voltage is still
present within the inverter. Do not
open the terminal board cover
while this is lit.
Front panel
The front panel of the inverter or
terminal board
To avoid touching the terminal
board by mistake, be sure to
close the front panel before
starting operation.
Unlock position mark
The front panel is unlocked when
the dot on the locking screw ison
this (upper) side.
Lock position mark
The front panel is locked when the
dot on the locking screw ison this
(lower)side.
Front panel locking screw
The inverter came with this
screw in the locked position.
So from this position, turn the
screw 90° counterclockwise
to unlock the front panel, or
turn it 90° clockwise to lock
the front panel.
The screw does not turn 360°. So
avoid damage to the screw, do
not use excessive force when
turning it.

A-5
1
[Bottom] [Right side]
Note 1) Remove this seal when install it where the ambient temperature will rise above 40°C.
Example of the label
40˚C
50mm
Control cable port
Communication
connector hole
Main circuit
cable port
Name plate
Ventilation slit
Cooling fin
Top warning label Note1)

A-6
1
1.3.2 Main circuit and control circuit terminal boards
1) Main circuit terminal board
When using lug connector, cover the lug connector with insulated tube, or use the insulated lug connec-
tor.
Screw size tightening torque
M3.5 screw 0.9N ym 7.1lb yin
M4 screw 1.3N ym 10.7lb yin
M5 screw 2.5N ym 22.3lb yin
M6 screw 4.5N ym 40.1lb yin
HF3212-A20 ∼A75
Note 1: EMC plate is optional.
PR N(-)
P(+)
P1
M3.5 screw
Grounding terminal
(M5 screw)
Screw hole of EMC plate
Note 1
Shorting-bar

A-7
1
HF3212-1A5 ∼3A7
HF321S-A20 ∼A75
Note 1: EMC plate is optional.
PR N(-)
P(+)
P1
M3.5 screw (1A5 only)
M4 screw (2A2,3A7)
Shorting-bar
Screw hole of EMC plate
Note 1
Grounding terminal
(M5 screw)
PR N(-)
P(+)
P1
M3.5 screw
Grounding terminal
(M5 screw)
Shorting-bar
Screw hole of EMC plate
Note 1
Grounding capacitor
disconnecting switch

A-8
1
HF321S-1A5,2A2
HF3214-A40 ∼3A7
Note 1: EMC plate is optional.
PR N(-)
P(+)
P1
Grounding capacitor
disconnecting switch
M4 screw
Shorting-bar
Screw hole of EMC plate
Note 1
Grounding terminal
(M5 screw)
PR N(-)
P(+)
P1
Screw hole of EMC plate
Note 1
M4 screw
Grounding terminal
(M5 screw)
Shorting-bar
Grounding capacitor
disconnecting switch