KEYENCE SJ-M201 User Manual
96M11367
NOTICE
Important
Safety Information for SJ-M Series
n General Precautions
n SJ-M Series Handling Precautions
• Do not use this product for the purpose to protect a human body or a part
of human body.
• This product is not intended for use as explosion-proof product. Do not
use this product in hazardous location and / or potentially explosive
atmosphere.
• You must verify that the SJ-M Series is operating correctly in terms of
functionality and performance before the start and during the operation of
the SJ-M Series.
• We recommend that you take substantial safety measures to avoid any
damage in the event of a problem occurring.
• KEYENCE never warrants the function or performance of the SJ-M201
Series if it is used in a manner that differs from the SJ-M201 Series
specifications contained in this instruction manual or if the SJ-M201 Series
is modified by yourself.
• When the SJ-M201 Series is used in combination with other instruments,
functions and performance maybe degraded, depending on operating
conditions and the surrounding environment.
WARNING
CAUTION
NOTICE
• Ensure you use only in well-ventilated areas as the ozone released from
the device can become harmful if used in an enclosed space. Do not place
your face close to the end of the Static Elimination Head. The ozone
released from the head can cause damage to the nose and/or throat.
• Do not touch static elimination head after turning the power on.
High voltage may occur on the surface of this product when neutralizing
highly-charged objects.
• To prevent electric shock and to ensure accurate static elimination, be sure
to connect a Class D earth (maximum resistance of 100 Ohms).
• The accessory AC power cable to Power SJ-UI/SJ-U2 (sold separately), is
rated for AC 100 to 125 V and is specifically for use in Japan.
When using the SJ-M Series outside of Japan, you cannot use the AC
Power Cable described above. Use an AC Power cable best suited to the
regulations and standards of the country or region the SJ-M Series is
going to be used.
• Do not use this product in locations where there is the risk of ignition or
explosion from flammable solvents or dirt and dust.
• High voltage is applied to this product. Prevent it from being splashed with
water, oil, or flammable solvents. Failure to do so may cause insulation
breakdown, which will result in electric shock or malfunction.
• Do not bring your fingers, tools, wire or other metallic objects near this
product. Doing so may cause injury, electric shock, or malfunction.
• Do not operate this product with wet hands. Doing so may cause electric shock.
• Before starting inspection or maintenance, be sure to turn the power OFF.
Failure to do so might result in electric shock or malfunction.
• During maintenance, do not directly touch the electrode probe. Doing so
may cause personal injury.
• Supply air according to the deratings indicated in the specifications. Use
without performing derating might result in electric shock or malfunction
• If any malfunction is observed in this product, immediately turn it OFF, and
contact your nearest agent. You should never repair this product yourself.
Doing so may cause electric shock or malfunction.
• Use this product for static elimination only. Do not use it for other purposes.
WARNING
CAUTION
■ Air For Supply
■ Power Supply Precautions
■ Air Purge Function Precautions
• Protect the area around the tip of the Static Elimination Head with silicon,
fluoro-resin or other highly ozone-resistant resin.
• Do not use this product in locations where sudden changes in temperature
or condensation are likely to occur.
• Do not touch the electrode probe with a tool or other hard object. Damage
to the electrode probe will prevent static elimination performance from
being fully demonstrated, and cause accidents or malfunction.
• When this product is used for a long period of time, the electrode probe
may become dirty due to the adhesion of dust and dirt. If the ion level
alarm indicator or condition alarm indicator lights, clean the electrode
probe. If the product is used with the electrode probe in a dirty or dusty
state, the static elimination performance can no longer be fully
demonstrated, resulting in accidents or malfunction. We recommend
periodically cleaning the electrode probe (as a guideline, once every two
weeks in a regular operating environment though this depends on the
installation conditions).
• Do not drop or subject this product to shock. Doing so might result in
accident or malfunction.
• When installing the SJ-M Series, observe the minimum bending radius of
all provided cables. Also, do not install the SJ-M with the cables deformed
by staples or other objects. Doing so might cause the SJ-M to malfunction.
CAUTION
• The only gas that can be supplied to the SJ-M201 is air.
• The compressed air flowing from the compressor contains drain such as
water and oil. Please remove drains from air by using filters or air dryers
before use.
• When the gas contains foreign materials, remove them by use of filters or
the likes.
CAUTION
Use a rated power supply.
• Noise applied to the power supply may cause this product to malfunction.
If this happens, install an insulated transformer.
• When using a switching regulator, be sure to connect a Class D earth to the
Frame Ground terminal.
CAUTION
NOTICE
• Be sure to use air of pressure 0.001 MPa to 0.5 MPa. Use outside of the
rated air pressure range might result in accidents or malfunction.
• Be sure to supply clean, dry air of temperature -20°C or more throug h a
filter of mesh size about 0.01μm. Moisture or oil contained in the air or
nitrogen may cause discharge inside the Static Elimination Head, which
may result in accidents or malfunction.
CAUTION
High-performance
Micro Static Eliminator
SJ-M201
Instruction Manual
Before using this Compact Static Eliminator, be sure to thoroughly read this
Instruction Manual.
After you are finished with this Instruction Manual, be sure to store it in a safe
place for quick reference.
Introduction
This document describes handling, method of operation and precautions when using the Compact
Spot-type Static Eliminator SJ-M201 Series. Before you start to use the SJ-M201 Series, be sure to
thoroughly read this document in order to make full use and safely use its functions.
Store this document in a safe place so that you can retrieve it whenever necessary.
■ Symbols
The following symbols alert you to important messages. Be sure to read these messages carefully.
It indicates a hazardous situation which, if not avoided, will result in death or
DANGER
serious injury.
It indicates a hazardous situation which, if not avoided, could result in death
WARNING
or serious injury.
It indicates a hazardous situation which, if not avoided, could result in minor
CAUTION
or moderate injury.
Reference
Indicates the reference pages in this manual or the reference pages in separate manuals.
It indicates a situation which, if not avoided, could result in product damage
as well as property damage.
It indicates cautions and limitations that must be followed during operation.
Important
It indicates additional information on proper operation.
Point
It indicates tips for better understanding or useful information.
1
n SJ-M Series Warning label
z
z
Precautions on Regulations and Standards
n CE Marking
Keyence corporation has confirmed that this product complies with the essential requirements of the
applicable EC Directives, based on the following specifications. Be sure to consider the following
specifications when using this product in the Member States of European Union.
l EMC Directive (2004/108/EC)
• Applicable Standard EMI : EN61326-1, ClassA
EMS : EN61326-1
• Be sure to provide a ground when installing the SJ-M Series.
• The length of all input/output cables must be less than or equal to 30 m.
• Attach a one-loop ferrite core onto the High-voltage Cable Unit and pass the connector cable once
through the core.
• The following ferrite core is recommended:
SFC-10 made by KITAGAWA INDUSTRIES CO,LTD.
Remarks:
These specifications do not give any guarantee that the end-product with this product incorporated
complies with the essential requirements of EMC Directive. The manufacturer of the end-product is
solely responsible for the compliance on the end-product itself according to EMC Directive.
l Low-Voltage Directive (2006/95/EC)
• Applicable Standard : EN61010-1
• Overvoltage category I
• Use this product under pollution degree 2
• Use this product at the altitude of 2000 m or less.
• Indoor use only.
• Use the following power supply.
- The power supply that satisfies the requirements of the Limited Power Source specifications
stipulated in EN60950 and certified by European third-party certification organization
- Keyence Corporation AC adapter (SJ-U1/SJ-U2)
n CSA Certificate
This product complies with the following CSA and UL standards and has been certified by CSA . Be
sure to consider the following specifications when using this product as a product certified by CSA.
• Applicable Standard : CAN/CSA C22.2 No.61010-1,
UL61010-1
• Overvoltage category I
• Use this product under pollution degree 2
• Use this product at the altitude of 2000 m or less.
• Indoor use only.
• Use the following power supply.
- CSA/UL-listed power supply that provides Class 2 output as defined in the CEC (Canadian
Electrical Code) and NEC (National Electrical Code)
- CSA/UL power supply that has been evaluated as a Limited Power Source as defined in
CAN/ CSA-C22.2 No. 60950-1/UL60950-1
- Keyence Corporation AC adapter (SJ-U1/SJ-U2)
1-1 Features of the SJ-M Series
This section describes an outline of the functions and features of the SJ-M Series.
Outline of the SJ-M Series
■ Pulse AC method
The SJ-M Series uses a pulse AC method that generates + and – charged air ions from a single
electrode probe. This system ensures a maximum ion level per unit time, and therefore high-speed
static elimination. The SJ-M Series also automatically controls the level of + and – ions generated
based on the charged state of the target object. This enables high-speed and high-precision static
elimination.
■ I.C.C. (Ion Current Control) method
This control method calculates the charged level of the target object by sensing the state of ion
current that arises due to the potential difference between the electrode on the Static Elimination Head
and GND. Optimum static elimination based on the state of the target object can be performed by
rapidly supplying the optimum ions suited to the polarity and charged level of the target object.
■ Ion monitor functions
●
Charge monitor
The integrated ion monitor allows you to see how much the target object is charged by + or – ions.
This monitor also allows you to confirm at a glance how static elimination is being performed.
● Ion level monitor
The ion level currently being generated by the Static Elimination Head is monitored at all times so that
drops in the generated ion level can be diagnosed on the unit. The generated ion level is indicated by
LEDs and an alarm can be output when the generated ions fall below a certain level. This allows you
to monitor the influence of a dirty electrode probe in advance.
"Ion Monitor Functions" (page 10)
Regular state
Target object in
non-charged state
Elimination of ions
from target object
Elimination of ions
from target object
Target object
charged
Target object
charged
A WARNING label is affixed on the SJ-M Series to ensure safety. Read the description on this
WARNING label to ensure correct use of the SJ-M Series.
WARNING labels in Japanese, German, French, Italian and Chinese (Simplified) are provided.
Use them as necessary.
n Installation Precautions
Avoid installing the SJ-M Series in the following locations as this may cause
accidents.
• Locations directly subject to vibration and shock
• Locations subject to ambient temperature outside of the 0°C to +40°C
range (excluding the High-voltage Cable Unit)
• Locations subject to ambient temperature outside of the 0°C to +80°C
range (High-voltage Cable Unit)
• Locations subject to ambient humidity outside of the 35 to 65%RH range
(condensation not allowed) (excluding the High-voltage Cable Unit)
• Locations subject to ambient humidity outside of the derating range
(condensation not allowed) indicated in the specifications (High-voltage
CAUTION
Cable Unit)
• Locations subject to sudden changes in temperature
• Locations subject directly to blasts from air conditioners
• Locations subject to volatile or flammable substance, solvents or
corrosive gases
• Locations subject to large amounts of dirt, and dust, salt, iron and oil
smoke
• Locations that may be splashed with water, oil or chemical mist
• Locations where strong magnetic and electrical fields are generated
n About Warm-up
Point
After turning the SJ-M Series ON, wait for about 20 minutes to allow the ion
balance to stabilize.
■ Other Precautions
• Be sure to follow all procedures described in each section of this
instruction manual.
WARNING
• This SJ-M201 Series uses EEPROM. Do not power off the unit while it is
being set.
Install the tip of the SJ-M021(G) paying attention to the following point.
Install the Static Elimination Head away from the wall or surrounding
objects.
• SJ-M021(G)
10 mm or more
10 mm
or more
The section marked by "*" must not touch the conductor (earthed body).
The adapter nozzle must not touch the conductor (earthed body).
Protect the area around the tip of the Static Elimination Head with silicon,
fluoro-resin or other highly ozone-resistant resin. Ozone that is generated
may cause the metal or resin on the SJ-M021(G) to rust, corrode or
deteriorate.
• SJ-M021(G)
CAUTION
20 mm
or more
10 mm
or more
200 mm
or more
23mm*
20 mm
20 mm
or more
or more
200 mm
or more
20 mm
or more
10 mm
or more
When SJ-MS3 is used When SJ-ML2 is used
• Do not install the Static Elimination Head at locations where moving parts
of other equipment and machinery may place stress on the cable. Doing so
might cause the SJ-M021(G) to malfunction.
20 mm
or more
10 mm
or more
200 mm
or more
20 mm
or more
*
200 mm
or more
10 mm
or more
When SJ-MS1
20 mm
or more
20 mm
or more
is used
10 mm or more
10 mm
or more
Requires 10 mm or more away
from the air outlet
10 mm
or more
10 mm
or more
200 mm or more
20 mm or more
When SJ-MS2
20 mm or more
200 mm or more
20 mm or more
When SJ-ML1
is used
is used
2
1-1
Features of the SJ-M Series
■ Alarm output functions
●
Alarm output functions
An indicator blinks and an alarm signal is output, for example, when internal circuits are damaged or
abnormal discharging occurs. When an alarm signal is output, generation of ions is forcibly stopped.
● Ion level alarm output function
An indicator lights and an alarm signal is output when the level of generated ions drops due to a dirty
electrode probe, for example.
● Condition alarm output function
An indicator lights and an alarm signal is output when static elimination performance is impaired.
"Alarm Output Functions" (page 10)
■ Abnormal discharge detection function
Abnormal discharge caused by condensation on the electrode probe tip or adhesion of debris is
detected. When abnormal discharge is detected, ion generation is forcibly stopped to prevent
malfunction at an early stage.
"Abnormal Discharge Detection Function" (page 10)
■ Ion balance adjustment function
The ion balance zero point can be fine-tuned.
"Ion Balance Adjustment Function" (page 9)
■ Static elimination stop function
Static elimination only can be turned ON/OFF with the device still powered. This is achieved by
shorting the 0V terminal with the static elimination stop input terminal on the Controller Unit (I/O
terminal section) or by holding down the two ion balance adjustment keys simultaneously for about
three seconds.
"Static Elimination Stop Function" (page 10)
■ Air purge function
Dirt can be prevented from sticking to the electrode probe on the SJ-M021(G) by attaching a tube to
the air duct and supplying clean, dry air. This also extends the static elimination range.
"Air Purge Function" (page 10)
■ High-temperature static elimination
The High Temperature global setting allows static to be eliminated in ho t environments.
(ambient operating temperature: SJ-M021(G), 0 to +80°C)
"High temperature use setting" (page 8)
1-2
Checking the Contents of the Package
The package contains the following components and accessories. Before you start using the SJ-M
Series, make sure that the package contains everything that it is supposed to contain. A Replacement
Electrode Unit and other accessories are available as options.
"List of Options" (page 16)
Package Contents
Options
Controller Unit (SJ-M201)Static Elimination Head (SJ-M021)
Instruction Manual
WARNING labels (Japanese, German, French, Italian and Chinese
(Simplified)) *
* Use as necessary.
SJ-M021 Mounting Fixture x 1
Earth lead
Replacement Electrode Unit for SJ-M021
(OP-51607)
Discharge Prevention Cap
(OP-75354)
Replacement Electrode Unit for SJ-M021G
(OP-75351)
PFA tube 0.5 m
(OP-75350)
AC Adapter SJ-U2
*
For details on the AC cable, contact your local
Keyence office.
1-3 Names and Functions of Parts
This section describes the names and functions of parts in the SJ-M Series.
Static Elimination Head
● SJ-M021(G)
(1)
(2)
(3)
(4)
(5)
(1) Electrode probe
Ion charge is emitted from the tip of this probe.
(2) Nozzle mounting fixture
Used for installing a special nozzle.
(3) Allowable mounting fixture range
The unit is fixed in place in this area with the
mounting fixture (provided).
(4) High-voltage cable
Ambient operating temperature: 0 to +80°C
Minimum bending radius 50 mm
(5) Air Input Unit
Supplies clean, dry air.
1-3
Names and Functions of Parts
Controller Unit (operation/display section)
Enlarged view of display section
Terminal plate cover
Lights when the charged level of the target object is
displayed.
Lights when the ion emission level is being displayed.
Indicates the charged level of the target object.
Also, indicates the ion emission level.
Used for adjusting the ion balance and for selecting setting
items.
Lights when an alarm occurs.
Lights when the ion emission level has fallen below the set
value due to dirt or wear of the electrode probe.
Lights when the charged level of the target object is high
and static cannot be completely eliminated.
Used for determining setting items and for switching the
display.
Ion balance
indicator
Ion level
indicator
Ion monitor
keys
key
Alarm indicator
Ion level alarm indicator
Condition alarm indicator
Ion balance indicator
Ion level indicator
Ion monitor
keys
Alarm indicator
Ion level alarm indicator
Condition alarm indicator
key
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
SJ-M201
3
1-3
Names and Functions of Parts
Controller Unit (I/O terminal section)
■ Input circuit diagram
■ Output circuit diagram
Number
Name Function
(1)
Condition alarm output
terminal
Outputs when static elimination performance is influenced by excessive
charge. (N.O.)
(2)
Ion level alarm output
terminal
Outputs when the ion emission level drops. (N.O.)
(3)
Static elimination stop input
terminal
Static elimination can be turned ON/OFF by shorting this terminal with
(6).
(4) Ground terminal Be sure to connect a Class D earth (maximum resistance of 100 Ohms).
(5) DC power terminal 24 VDC ±10%
(6) 0V terminal 0V for power and 0V for I/O
(7) Alarm output terminal Outputs when an alarm occurs. (N.C.)
(1)
(4) (5) (6) (7)
(2) (3)
+24V
3kΩ
INPUT( (3) )
0V( (6) )
Input a no-voltage contact (relay, etc.)
or NPN open collector across INPUT and 0V.
[ (3) (static elimination stop input)]
OUT
DC40V
100mA
0V( (6) )
Open collector output
[ (2) (ion level alarm output), (1) (condition alarm output), (7) (alarm output)]
2-1 Before Installation
This section describes the static elimination performance of the SJ-M201 Series.
Before you install the SJ-M201 Series, fully calculate the distance between the Static Elimination Head
up to the target object and the time required for static elimination.
About Static Elimination Performance
The following shows a typical example where static is eliminated from an aluminum plate (20 pF) 150 x
150 mm square, charged to +1000 V, by the SJ-M201 Series.
■ Static elimination time
The following graphs show typical examples of the relationship between static elimination time and
static charged voltage.
Measurement condition:
Applied voltage +1000 V
150 mm x 150 mm plate monitor (20 pF) used
Installation distance 300 mm
Air purge pressure 0.5 MPa
Cable length 2 m
SJ-M021 SJ-M021G
SJ-M021+SJ-MS2 SJ-M021+SJ-MS1
0
100
200
300
400
500
600
700
800
900
1000
0 0.2 0.4 0.6 0.8 1
Charged level (V)
Time (secs)
0
100
200
300
400
500
600
700
800
900
1000
0 0.1 0.3 0.4 0.5 0.6
Time (secs)
Charged level (V)
0.2
0
100
200
300
400
500
600
700
800
900
1000
0 0.2 0.6 0.8 1.21 1.4
Time (secs)
Charged level (V)
0.4
0
100
200
300
400
500
600
700
800
900
1000
01 34 76589
Time (secs)
Charged level (V)
2
2-1
Before Installation
SJ-M021+SJ-MS3 (500 mm) SJ-M021+SJ-MS4 (500 mm)
SJ-M021+SJ-ML SJ-M021+SJ-ML2
SJ-M021+SJ-ML1 SJ-M021+SJ-ML3 (500 mm)
SJ-M021+SJ-ML4 (500 mm)
0
100
200
300
400
500
600
700
800
900
1000
01 34 657
Time (secs)
Charged level (V)
2
0
100
200
300
400
500
600
700
800
900
1000
01 5 7 11912
Time (secs)
Charged level (V)
3268104
0
100
200
300
400
500
600
700
800
900
1000
0 0.2 1 1.4
Time (secs)
Charged level (V)
0.60.4 1.20.8
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 0.5 2
Time (secs)
Charged level (V)
1.51
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 0.5 2.5 4 4.5 51.5132 3.5
Time (secs)
Charged level (V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 0.5 2.5 4 4.5 51.5132 3.5
Time (secs)
Charged level (V)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
01 5 891032647
Time (secs)
Charged level (V)
2-1
Before Installation
■ Static elimination area
The following graphs show the relationship between the time required for eliminating static from a
target object charged between +1000 and +100 V and the distance from the charged object to the
Static Elimination Head.
Model No. SJ-M021
Air flow rate 20 Nl/min
(pressure 0.01 MPa)
Air flow rate 60 Nl/min
(pressure 0.05 MPa)
Air flow rate 250 Nl/min
(pressure 0.5 MPa)
Model No. SJ-M021G
Air flow rate 20 Nl/min
(pressure 0.02 MPa)
Air flow rate 60 Nl/min
(pressure 0.12 MPa)
Air flow rate 200 Nl/min
(pressure 0.5 MPa)
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
0.5sec
1sec
2sec
5sec
10sec
200 100150 50 500 100 150200
mm
mm
100
0
200
400
500
600
700
800
900
300
1000
0.5sec
1sec
2sec
5sec
200150 100 50 500 100 200150
mm
mm
300
0
150
450
750
1050
1500
600
900
1200
1350
0.5sec
1sec
2sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
0.5sec
1sec
2sec
5sec
10sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
0.5sec
1sec
2sec
3sec
-200 -150 -100
-50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
800
700
900
0.5sec
1sec
1.5sec
4
2-1
Before Installation
Model No. SJ-M021+SJ-MS1
Air flow rate 20 Nl/min
(pressure 0.03 MPa)
Air flow rate 60 Nl/min
(pressure 0.16 MPa)
Air flow rate 160 Nl/min
(pressure 0.5 MPa)
Model No. SJ-M021+SJ-MS2
Air flow rate 20 Nl/min
(pressure 0.02 MPa)
Air flow rate 60 Nl/min
(pressure 0.1 MPa)
Air flow rate 250 Nl/min
(pressure 0.5 MPa)
SJ-M021+SJ-MS2/ML2
Static elimination area
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
5sec
8sec
10sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
3sec
5sec
8sec
10sec
400 300 200 100350 250 150 50 0 100 200 300 400
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
1100
1300
1500
1200
1400
50 150 250 350
8sec
2sec
3sec
5sec
7sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
5sec
8sec
10sec
20sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
2sec
5sec
8sec
10sec
300 200 100250 150 50 0 100 200 300
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
1100
1300
1500
1200
1400
50 150 250
3sec
1sec
2sec
14
100mm
-50mm
100mm
280mm
-50mm
500mm
2-1
Before Installation
Model No. SJ-M021+SJ-MS3/ML3 (500 mm)
Air flow rate 140 Nl/min
(pressure 0.3 MPa)
Air flow rate 230 Nl/min
(pressure 0.5 MPa)
Model No. SJ-M021+SJ-MS4/ML4 (500 mm)
Air flow rate 145 Nl/min
(pressure 0.3 MPa)
Air flow rate 240 Nl/min
(pressure 0.5 MPa)
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
3sec
5sec
7sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
800
1000
700
900
1100
1300
1500
1200
1400
5sec
7sec
3sec
8sec
2sec
200150 100 50 0 50 100 150 200
mm
mm
0
200
400
600
100
300
500
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2-1
Before Installation
Model No. SJ-M021+SJ-ML
Air flow rate 20 Nl/min
(pressure 0.02 MPa)
Air flow rate 60 Nl/min
(pressure 0.1 MPa)
Air flow rate 250 Nl/min
(pressure 0.5 MPa)
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2-1
Before Installation
■ Appropriate static elimination method
Pay attention to the following points to ensure that static elimination is performed appropriately.
Static elimination cannot be performed accurately at locations where the target object is
touching a metallic body (earthed body).
Eliminate static from the target object at locations where it is not directly touching a metallic body
(earthed body).
Static will be eliminated from only the surface of the insulated body (board, etc.) that is facing
the Static Elimination Head.
When eliminating static from both sides of a target object, install two SJ-M Series as one SJ-M Series
must be installed on either side of the target object.
Installation Precautions
■ Installation site
Install the Static Elimination Head so that it can be easily accessed, for
example, for replacement of parts and cleaning.
Insulating matMetal
Board
Board
NOTICE
Install the tip of the SJ-M021(G) paying attention to the following point.
• Install the Static Elimination Head away from the wall or surrounding
objects.
● SJ-M021(G)
• Protect the area around the tip of the Static Elimination Head with silicon,
fluoro-resin or other highly ozone-resistant resin. Ozone that is generated
may cause the metal or resin on the SJ-M021(G) to rust, corrode or
deteriorate.
NOTICE
The section marked by "*" must not touch the conductor (earthed body).
The adapter nozzle must not touch the conductor (earthed body).
23mm*
10 mm or more
10 mm
or more
10 mm or more
10 mm
or more
Requires 10 mm or more away
from the air outlet
*
5
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