Sierra Monitor Corporation Izs31 User Manual

Doc. No.IZ*-OMK0015 - B  
OPERATION MANUAL  
Ionizer  
PRODUCT NAME  
:
IZS31 Series  
MODEL:  
Read this operation manual carefully to  
understand before installation and operation.  
Pay extra attention on the clause concerning the  
safety.  
Keep this operation manual available whenever  
necessary.  
1. Safety instructions  
These safety instructions are intended to prevent hazardous situations and/or equipment damage. These  
instructions indicate the level of potential hazard by labeling "Caution", "Warning", and "Danger". To  
ensure safety, be sure to observe ISO4414, JIS B8370and other safety precautions.  
CAUTION Operator error could result in injury or equipment damage.  
!
WARNING Operator error could result in serious injury or loss of life.  
!
DANGER In extreme conditions, there is a possibility of serious injury or loss of life.  
!
1) ISO 4414 : Pneumatic fluid power –Recommendation for application of equipment to transmission and  
control systems  
2) JIS B 8370 : Rule for Pneumatic System  
!
WARNING  
1.The compatibility of equipment is the responsibility of the person who designs the system or  
decides its specifications.  
Since the products specified here are used in various operating conditions, their compatibility with the specific  
system must be based on specifications or after analysis and/or tests to meet your specific requirements.  
Those who decide the compatibility of equipment shall take the responsibility to guarantee the initial system  
performance and safety. Construct system as reviewing all specifications in the latest catalog or documents as  
well as considering the possibility of equipment in every occasion.  
2. Only trained personnel should operate machinery and equipment.  
This product generates high voltage, so it can be dangerous if an operator is unfamiliar with it. Assembly,  
handling or repair of systems should be performed by trained and experienced operators.  
3. Do not service machinery/equipment or attempt to eliminate components until safety is  
confirmed.  
1) Inspection and maintenance of the machinery and equipment should be performed after  
confirmation of the safety such as earthing, prevention of electric shock and each type of  
injury.  
2) When equipment is to be eliminated, confirm the safety process as mentioned above. Cut air  
pressure supply and electric power supply that are the energy source for the equipment, and  
exhaust all residual compressed air in the system.  
3) Before machinery/equipment is re-started, take measures to prevent short circuit etc. with  
enough care.  
4.Do not use product under the following conditions or environments. If it is not avoidable, take  
appropriate measures and contact SMC.  
1) Conditions and environments beyond specifications or if product is used outdoors.  
2) Installation on equipment in conjunction with atomic energy, railway, air navigation, vehicles,  
medical equipment, food and beverage, recreation equipment , emergency stop circuits,  
pressing clutch, break circuit and safety equipment.  
3) An application which has the possibility of having negative effects on people, property, or  
animals requiring special safety analysis.  
2
Selection  
WARNING  
!
1. This product is intended to be used for the general FA devices.  
If other applications (especially the ones indicated in 4 on page 2) are used, please contact SMC  
before the use.  
2. Use under specified voltage and temperature.  
Voltage out of specification may cause malfunction, breakage, electric shock and fire.  
3. Use clean compressed air for fluid.  
Do not use inflammable or explosive gas for fluid. It may cause fire or explosion. When other fluid except  
compressed air is used, please contact SMC service representative.  
4. This product doesn’t incorporate explosion-proof construction.  
Do not use this product in the place where dust explosion might be triggered or inflammable or explosive  
gas is present. It may cause fire.  
!
CAUTION  
1. This product has not been washed.  
When bringing into clean room. Use after confirming its purification level after flushing.  
Installation  
!
WARNING  
1. Get required space for maintenance, wiring and piping at installation.  
Install connector and One-touch fitting for air supply to be able to eliminate and mount cable and tube.  
Do not bend cable and tube with steep angle but fix them straight considering minimum bending radius to  
prevent forcible stress applied to installation base of connector and One-touch fitting.  
Forcible installation and elimination may cause malfunction, broken wire, fire and air leakage.  
Minimum bending radius: Power supply cable・・・・・・・・・・・・・35mm  
Sensor cable・・・・・・・・・・・・・・・・・・・25 mm  
Note: Here is allowable bending radius when fixing wiring at 20oC. If bending cable at lower temperature,  
it may apply forcible force to connector even with minimum bending radius or more.)  
See instruction or catalog for minimum bending radius fo tube.  
2. Install on the plane face.  
Forcible force may apply to frame or case due to concave and convex or deformed mounting face and  
large level gap, and it may cause breakage or operation failure. Also, dropping or strong impact may  
cause operation failure or accident.  
3. Do not use in the place where subject to noise (electromagnetic wave, surge etc.)  
It may cause a malfunction, or deteriorate or damage internal elements. Take measures to prevent noise  
source and avoid lines from touching and mixing each other.  
4. Tighten within the specified torque.  
See the following table for the tightening torque. When exceeding the tightening torque, mounting screw  
and mounting bracket etc. might be broken. The screw might loosen for less than range of the tightening  
torque.  
Screw size  
Recommended  
tightening torque  
0.61 to 0.63 Nm  
0.73 to 0.75 Nm  
1.3 to 1.5 Nm  
M3  
M4  
M5  
3
5. Do not touch electrode needle with finger or metal tool directly. It may cause injury.  
If electrode needle or cartridge is it may stick to the fingers, damaged by tools, it will not only interfere the  
specification function and performance but also may cause operation failure or accident.  
Caution  
forHighVoltage  
Do not touch the electrode needle.  
High voltage is supplied.  
If foreign substances are inserted  
or persons come in contact with it,  
they might get injured when trying  
to avoid the electric shock or  
instantaneous lightning stroke.  
6.Do not attach tape or seal on the product body.  
If conductive adhesive and reflective paint is contained in the tape or seal, dielectric phenomenon will  
occur due to the produced ion and it may lead to the electrostatic charge and electric leakage.  
7.Be sure to install and adjust after power supply is stopped.  
!
CAUTION  
1. Install IZS31 series with keeping distance from the wall etc. as shown in the figure below.  
The generated ion might not reach the target effectively and efficiency decrease, where there is wall etc.  
inside the area shown in the figure below.  
200mm  
200mm  
150mm  
150mm  
2.Be sure to check the effect of static charge elimination after installation.  
The effect of static charge elimination largely varies depending on the ambient installation conditions and  
operation conditions. After installation, be sure to check the effect of static charge elimination.  
Wiring and piping  
!
WARNING  
1.Check that power supply capacity is enough and voltage is in specification before piping.  
2.When selecting power supply,always use a UL-Listed power supply that either provides Class2 output as  
defined in the National Electrical Code,or that has been evaluated as a Limited Power Source as defined in  
UL60950.  
3. To maintain the product performance, Apply Ground at a resistance not exceeding 100 Ωto prevent  
electrical shock in accordance with instructions on this operation manual.  
4. Be sure to cut off power supply at wiring (including connector plug-in/out) .  
5. Use a dedicated cable with a sensor to connect the ionizer and a feed back sensor or an auto balance  
sensor, and do not disassemble and/or modify the cable for the sensor.  
6. Turn on the power after examining wiring and a surrounding situation enough, and confirming safety.  
7. Do not connect and disconnect connectors while supplying the power. Ionizer might be broken and cause  
malfunction.  
8. Installation with high-voltage line and power line in the same wiring route may cause malfunction by noise.  
Install separately with them.  
4
9. Be sure there is no incorrect wiring before operation. Incorrect wiring may cause product breakage or  
malfunction.  
10. Flush pneumatic piping before its installation. Make sure that all dust, water droplet, oil etc. are eliminated  
before piping.  
Environment  
!
WARNING  
1. Use within operating fluid and ambient temperature range.  
Operating fluid and ambient temperature range for Ionizer, feed back sensor and auto balance sensor  
are 0 to 50oC. Though ambient temperature is within specification, dew condensation might be generated  
where temperature is suddenly changed. Therefore do not use under such environment.  
2.Do not use this product in an enclosed space.  
This product utilizes the corona discharge phenomenon. Since a small amount of ozone and NOx  
is generated, do not use it in an enclosed space.  
3. Environment to avoid  
Do not use or store under the following environments, as these may cause operation failure. If it is  
unavoidable, take the appropriate measures.  
a. The place where ambient temperature exceeds 0 to 50oC.  
b. The place where ambient humidity exceeds 35 to 85% RH.  
c. The place where dew condensation is generated due to sudden temperature change.  
d. The place where there is corrosive gas, inflammable gas, and volatile inflammable substance is stored.  
e. The atmosphere where the product is exposed to conductive powder such as iron powder and dust, oil  
mist, salt and organic solvent or machining chips, particles and cutting oil (water, liquid).  
f. The place where product is directly exposed to the blow from air-conditioners.  
g. The place where sealed and ventilation is not installed.  
h. The place the product is exposed to the direct sunlight and radiant heat.  
i. The place where strong electromagnetic noise is generated. (Strong electric field/ strong magnetic  
field/ surge.)  
j. The place where electricity is discharged. The situation which causes electric discharge on the product.  
k. The place where strong high frequency is generated.  
l. The place where lightning disaster is expected.  
m. The place where the product is directly exposed to the vibration and impact.  
n. The situation where the force and weight that causes deformation of the product is applied.  
4. Do not use air containing mist or dust.  
Air containing mist or dust may lower function and shorten maintenance cycle. Dryer (IDF series), air filter  
(AF/AFF series), mist separator(AFM/AM series) to produce clean compressed air.  
5. Ionizer, feed back sensor and auto balance sensor are not tolerable against surge of lightning.  
Protection against lightning surge should be incorporated in the equipment..  
Maintenance  
!
CAUTION  
Caution  
forHighVoltage  
1. Keep electrode needle clean by regular maintenance.  
Make sure that the equipment is operating without any failure by regular  
maintenance. Those who have enough knowledge and experience should  
perform the maintenance of the equipment.  
Dust attached on the electrode needle due to longer operating lowers the  
function to eliminate static electricity. If electrode does not recover  
its function to eliminate static electricity due to worn out after cleaning,  
replace it with the new one. In order to maintain the stable performance,  
regular maintenance and cleaning of electrode are recommended.  
A high voltage generating circuit is  
installed. Be sure to stop the supply  
voltage at the maintenance. Do not  
disassemble / renovate the product as  
it may deteriorate the functions and  
cause risks due to electric shock and  
electric leakage.  
2. Stop supplying power to the body without fail when cleaning the electrode needle or exchanging the  
electrode cartridge. Do not touch the electrode needle while energizing, or it may cause electric shock or  
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accident.  
3. Do not open the case to disassemble and reconstruct the product.  
It may cause electric shock, operation failure and disaster such as fire. In addition, note the product, which  
is disassembled or reconstructed, may not satisfy the functions and performance in the specifications and  
is out of guarantee.  
4. Do not operate the product with the wet hands.  
It may cause electric shock or accident.  
!
WARNING  
1. Do not drop, hit to the object and give excessive impact (10G or more) at handling.  
Though Ionizer itself doesn’t break, inside construction might be broken and cause malfunction.  
2. When cable is mounted or eliminated, pinch modular plug claw with finger and insert or take out the plug  
itself vertically. If mounted or eliminated to inappropriate direction, mounting part of modular jack might be  
damaged and finally it leads to operation failure.  
2. Installation  
2-1. Installation of Ionizer body  
Investigate the places where static problem occurs, or process and parts which generate ESD  
(Electro static discharge), and carefully consider the required conditions to ensure appropriate static  
charge elimination before installation.  
1. Installation height  
When the ionizer is installed, keep the distance between charged objects and the ionizer within the  
range below.  
Ion-production  
Distance between the charged objects and ionizer (mm)  
frequency  
With air purge (note)  
W/o air purge  
Hz]  
1
3
400 to 2000  
300 to 2000  
300 to 2000  
200 to 2000  
200 to 2000  
150 to 2000  
50 to 2000  
50 to 2000  
400 to 500  
300 to 400  
300 to 400  
200 to 300  
200 to 300  
150 to 250  
50 to 200  
50 to 150  
5
10  
15  
20  
30  
60  
(Note)As the installation height stated above is a standard, check the effect of the static charge elimination  
before installation.  
The minimum installation height should be 200mm or more when the feed back sensor is use, and  
that for the auto balance sensor should be 100mm or more. When the ionizer is used outside of these  
conditions, be sure to check if these sensors will operate properly.  
2. Mount end brackets on both sides of the ionizer body with the attached M4 threads.  
Attached M4 threads  
6
3. Mount intermediate brackets on the ionizer body at regular interval.  
Intermediate bracket  
4. Tap M5 thread on the brackets mounting positions at the installation side, and fix the ionizer body and  
brackets with M5 threads.  
M5 threads  
5. Adjust angle of the ionizer body to ensure proper static charge elimination, and fix it with detent threads  
(M5) of brackets.  
M5 threads  
7
6. Be sure to ground the DC1 (-) lead wire [blue] of the power supply cable (Resistance between the lead  
wire and the earth ground should be 100Ω or less.)  
If the lead wire is not grounded, the ion balance will be unstable, and an electric shock may occur. At the  
same time, the ionizer and power supply might be damaged.  
DC Power supply  
Ground the DC1 (-) lead wire [blue]  
of the power supply cable  
Brown  
Blue  
2-2. Installation of sensor  
1. Installation of sensor head  
Feed back sensor  
Ground  
Keep the detecting hole of the sensor head towards the charged object to precisely detect the target’s  
static charge. Keep the distance between the detecting hole and surface of the charged object within 10  
to 50mm to prevent the sensor from coming in contact with the charged object. The detecting range and  
sensor output will be changed depending on the installation distance.  
Mount the sensor head with two pieces of M3 screws (sold separately).  
M3 screws  
As the sensor head case is connected to the GND, pay great  
attention to the installation or power supply to prevent  
short-circuit between the GND and 24V power supply.  
The detecting hole is open to detect static electricity. When  
foreign substances are intruded into the hole or tools come in  
contact with the inside of the detecting hole, it leads to a  
malfunction or damage of the sensor, resulting in an improper  
detection of the static electricity. Therefore, do not put any  
foreign substances in the detecting hole or touch it with a tool.  
Do not pull a cable out of the sensor head. If the cable is  
pulled with a strong force, the sensor head might be damaged  
or its wires might be broken.  
Detecting hole  
8
Auto balance sensor  
Horizontally place the auto balance sensor under the ionizer and face its metal plate upward. Because  
the ion balance will be changed depending on the installation height, install the sensor on the same level  
with a workpiece as much as possible. The auto balance sensor can be removed once the ion balance  
adjustment is completed.  
Keep the height between the auto balance sensor and ionizer within the installation height stated in  
2-1.  
Mount the head sensor with 2 pieces of M3 screws (sold separately).  
Metal plate  
2. Installation of sensor amp  
A sensor amp should be mounted with 2 pieces of M3 screws (sold separately).  
Do not pull a cable out of the sensor amp. If the cable is pulled with a strong force, the sensor amp might  
be damaged or its wires might be broken.  
Be sure to ground the sensor amp case. (Resistance between the sensor amp case and the earth  
ground should be 100Ω or less.) Because the sensor amp case surface is treated with conductive  
plating, FG wiring is not necessary when the sensor amp case is connected to the mounting surface of the  
grounded unit. If the mounting surface is insulated with painting or being anodized, be sure to connect the  
FG wiring for grounding.  
M3 threads  
Head side  
Class D ground  
Sensor  
2-3. Connection of cable  
1. Insert the modular plug of power supply cable IZS31-CP  
into the modular jack for indicating [power] on the ionizer  
body. A lever will snap when the modular plug is correctly  
locked. Fix cables with a tie wrap or other measures in the  
vicinity of connection not to apply compulsive force to the  
modular jack and plug.  
9
2. Connect the lead wires in accordance with the lead wire list. (See  
Chapter 4) Arrange lead wires in accordance with the wiring table. The  
unused wires should be cut short or covered with vinyl tape without  
pealing the coat to prevent them from coming contact with other wires.  
3. When the feed back sensor or auto balance sensor is used, remove  
the dust cover from the modular jack with [signal] indication, and insert  
the modular plug of the sensor cable (IZS31-CS). A lever will snap  
when the modular plug is correctly locked. Fix cables with a tie wrap or  
other measures in the vicinity of their connection not to apply  
compulsive force to the modular jack and plug.  
Sensor cable  
Dust cover  
3. Function description  
3-1. Operation mode  
3 types of operation modes are available with IZS31 (sensing DC mode, pulse DC mode and DC mode.)  
These modes are selectable depending on the applications and operating conditions.  
1. Sensing DC mode  
This mode detects the charged condition of the workpiece with the feed back sensor, and feed back the  
condition to the ionizer. With this mode, ions with optimal polarity are discharged to shorten the static  
charge elimination time. When the static charged of the workpiece becomes +/-30V or less note), the  
completion signal of the static charge elimination will turn off.  
This mode is suitable for the object that is largely charged.  
Once the static charge elimination is completed, [energy-saving operation] or [continuous static charge  
elimination mode] can be selected.  
Energy-saving  
operation  
The ion-discharge output will automatically stop once the static charge  
elimination is completed. If the charged potential of the work becomes +/- 30 V  
or more, the ion will be discharged again.  
The [energy-saving operation] is recommended for conductive workpieces.  
The static charge will be continuously eliminated with pulse DC as maintaining  
the ion balance to make the charged potential +/-30V or less note) even after the  
static charge is completed.  
The [continuous static charge eliminating operation] is recommended for  
nonconductive workpieces.  
Continuous  
static charge  
eliminating  
operation  
Note) when the installation height of the feed back sensor is 25mm.  
2. Pulse DC mode  
The ionizer discharges plus ions and minus ions by turns.  
When the auto balance sensor is used, the ion balance is automatically adjusted within +/-30V. If the ion  
balance exceeds +/-30V due to the dirt on the electrode needle, the maintenance output signal will be  
output.  
This mode is suitable for eliminating the static charge in the air and/or on the workpieces.  
When the auto balance sensor is used.  
[Manual operation] or [auto operation] can be selected for the ion balance adjustment.  
Manual  
operation  
When maintenance start-up signal is input, or the power supply of the ionizer  
Is applied, the ion balance adjustment will begin.  
When workpieces are moving, [manual operation] is recommended. Start the  
equipment after ion balance is adjusted.  
Auto operation  
The ion balance is continuously adjusted.  
When the static charge of the still workpieces or in the atmosphere is  
eliminated, the [auto operation] is recommended.  
When the auto balance sensor is not used.  
The ion balance is adjusted with a balance adjusting trimmer. An instrument is separately needed to  
check the ion balance.  
10  
3. DC mode  
Plasma ions or minus ions are continuously discharged. The parts other than the charged object need to  
be grounded to prevent them from being charged. The plasma and minus ions cannot be discharged  
simultaneously.  
3-2. Detection of the dirt on the electrode needle  
When the maintenance start-up signal is input, the ionizer detects if the static charge elimination  
capability is degraded due to the dirt on the electrode needle. If the electrode needle needs to be cleaned  
because of the degraded capability of the static charge, the maintenance LED lights up, and then the  
maintenance output signal is output. Because just installing the feed back sensor or auto balance sensor is  
not enough to detect if the static charge eliminating capability is degraded, regularly input the maintenance  
start-up signal to check the static charge elimination capability.  
3-3. Indication/ Setting part description  
⑪ ⑩ ⑨ ⑧ ⑦ ⑥ ⑤ ④ ③ ② ①  
No.  
Name  
Power supply  
indication  
Sensor connecting  
indication  
Type  
LEDGreen)  
Description  
Lights up green when the power supply is turned ON.  
Flashes when the power supply voltage is not proper.  
Lights up when the feed back sensor and/or auto  
balance sensor is connected.  
LEDGreen)  
Minus indication  
Completion indication  
Plus indication  
LEDBlue)  
LEDGreenLED will change depending on the operating modes.  
LED  
4. See the selection of models and setting.  
Orange)  
Indication for abnormal  
high voltage  
Sensor failure  
indication  
Maintenance indication  
Lights on red when overcurrent is applied to the  
electrode needle.  
Lights on red when the feed back sensor and/or auto  
balance sensor is not operating properly.  
Flashes red when dirt on the electrode needle is  
detected.  
LEDRed)  
LEDRed)  
LEDRed)  
Maintenance level  
selecting switch  
Frequency selecting  
switch  
Balance adjusting  
trimmer  
Rotary  
switch  
Rotary  
switch  
Trimmer  
LED will change depending on the operating modes.  
4. See the selection of models and setting.  
This trimmer is used to adjust the ion balance when the  
auto balance sensor is not used.  
11  
4.Selection and setting of equipment  
4-1.Sensing DC mode  
1. Selection of bar length  
Select the length applicable to work size base on static charge elimination area and static charge  
elimination characteristics.  
2. Installation of body  
Keep the distance between the ionizer and charged objects within 200 to 2000mm. Although the ionizer  
can be mounted outside of this range, it may not operate properly depending on the operating conditions.  
Therefore, be sure to check if the ionizer will operate properly.  
3. Installation of the sensor  
Install the feed back sensor. Keep the detecting hole towards the charged face.  
It should be mounted within a 10 to 50mm of installation height. Although the ionizer can be mounted  
outside of this range, it may not operate properly depending on the operating conditions. Therefore, be  
sure to check if the sensor will operate properly.  
When the ionizer and feed back sensor are connected, the mode is automatically shifted to the sensing  
DC mode.  
4. Setting of the maintenance level selecting switch  
Set the level for detecting the dirt on the electrode needle.  
Select the level from HHigh, MMiddleor LLow. The dirt on the electrode needle cannot be  
detected with other levels.  
HHigh) ・・・ The level that doesn’t affect the static charge eliminating time (Even a small amount of  
dirt can be detected).  
MMiddle) ・・The level that can notify the maintenance just before the static charge elimination time becomes  
slow.  
LLow) ・・・ The level that the static charge elimination time becomes slower than the one in the initial state.  
The dirt detection is done when the maintenance start-up signal is input.  
5. Setting of frequency selection switch  
This switch is used to switch the [energy-saving operation] and [continuous static charge eliminating  
operation].  
With [continuous static charge eliminating operation], the ion-production frequency needs to be  
selected after the static charge elimination is completed.  
Operation details  
Switch setting  
Energy-saving  
operation  
When the static  
charge elimination is  
completed, the  
ion-discharge-output  
will automatically  
stop.  
8
+ion  
stops  
-ion  
Continuous  
static charge  
eliminating  
operation  
The static charge  
elimination continues  
as controlling the ion  
balance with pulse  
DC even after the  
static charge  
0 ・・・ 1Hz  
1 ・・・ 3Hz  
2 ・・・ 5Hz  
3 ・・・ 10Hz  
4 ・・・ 15Hz  
5 ・・・ 20Hz  
6 ・・・ 30Hz  
7 ・・・ 60Hz  
Pulse operation  
+ion  
-ion  
elimination is  
(e.g.)Charged work: negative charge  
completed so that the  
charged potential of  
works maintains  
+/-30V or less.  
- - - - Static charge  
Elimination completed  
Ions are discharged  
with the set  
frequency.  
12  
6. Wiring of the power supply cable  
Connect dedicated power supply cables.  
DC Power supply  
Connection with the power supply for ionizer operation  
Symbol  
Cable  
color  
Cable name  
Connection  
Description  
Brown  
Blue  
Brown  
Blue  
Dark  
Green  
Power supply DC24V  
Power supply GND[FG]  
Sensor monitor output  
Power supply cable for  
ionizer operation  
DC1+)  
DC1-)  
OUT4  
Ground  
Charged potential of the  
work is output with  
analog signal (1 to 5V)  
Be sure to ground DC1(-)Blue. (Resistance between the lead wire and the earth ground should be 100Ω or less.)  
If not, it may break the ionizer.  
Connection with the power supply for I/O signal  
Symbol  
Cable  
color  
Red  
Black  
Light  
Cable name  
Conne  
ction  
Description  
Power supply DC24V  
Power supply GND  
Discharge-stop signal  
DC2+)  
DC2-)  
IN1  
Power supply cable for I/O signal  
Signal for starting/ stopping the discharge  
NPN specOperation will begin when it is connected with  
DC2-)[Black.  
Green  
PNP specOperation will begin when it is connected with  
DC2+)[Red.  
IN2  
Gray  
Maintenance start-up signal  
A signal that is input when the maintenance of the  
electrode needle is necessary.  
White  
Orange  
Pink  
OUT1  
Completion signal for  
static charge elimination  
Outputs when the charged potential of the work is +/-30V  
or more, and when the dirt on the electrode needle is  
detected.  
Outputs when the maintenance of the electrode needle is  
necessary.  
OUT2  
OUT3  
Yellow Maintenance output signal  
Purple Signal for failure  
Outputs in case of abnormal high voltage and sensor  
and/or CPU failure.  
(B contact output)  
○ : Wires that are minimum required to operate the ionizer.  
△ : Wires that are required to use the functions.  
- : Wires that are not necessary with the sensing DC mode. These wires should not be short-circuited with other  
cables.  
7. Air piping  
When the piping is only connected to one port, the other unused port should be plugged with the M-5P  
that is packaged together with the ionizer.  
13  
8. LED display  
POWER LED ・・・ The power supply input and the connection of the sensors are displayed.  
LED name  
POWER  
Functions  
MAIN  
Lights up when the power supply is applied. (Green)  
(Flashes when wrong power supply is applied.)  
Lights up when the feed back sensor is connected.(Green)  
SNSR  
ION LED ・・・ The charged condition of the work is displayed.  
LED name  
ION  
Functions  
The charged potential of the work is positive.Orange)  
The charged potential of the work is low.Green)  
The charge potential of the work is negative.Blue)  
OK  
The charged condition of the work can be identified with the LED display.  
LED  
Charged potential of the work  
Charged polarity of work  
+ OK -  
Plus  
static charge elimination  
Minus  
More than +400V  
+100V to +400V  
+30V to +100V  
+30V to -30V  
-30 to -100V  
■□□  
light on  
flash with 4 Hz  
□□  
■□  
□■□  
light out  
□■■  
□□■  
□□■  
-100 to -400V  
More than -400V  
ALARM LED ・・・ Failure of the ionizer is displayed.  
LED name  
ALARM  
Functions  
HV  
Lights up when overcurrent is applied to the electrode  
needle.Red)  
SNSR  
Lights up when the feed back sensor doesn’t work properly.  
Red)  
NDL  
CHECK  
Lights up when dirt on the electrode needle is detected.  
Red)  
Flashes when the dirt is being detected. )  
14  
9. Alarm  
Type of alarm  
Description  
How to reset  
Abnormal high voltage  
Notifies when overcurrent such as high voltage Turn off the power supply to solve the problem.  
leakage occurs. The ion-discharge-output is  
stopped, HV ALRM sets off and output the  
signal for failure.  
Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
Sensor failure  
CPU failure  
Notifies that the feed back sensor doesn’t work Turn off the power supply to solve the problem.  
properly. SNSR ALARM lights up, and the  
signal for sensor failure is output.  
Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
Notifies that CPU fails due to noise. All LEDs Turn off the power supply to solve the problem.  
Flashes, and the signal for CPU failure is  
output.  
Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
Electrode needle  
maintenance  
Notifies when the maintenance of the electrode Turn off the power supply and clean the  
needle is necessary. NDL CHECK ALARM electrode needle. Then apply the power  
lights up, and the maintenance output signal is supply.  
output.  
10. Timing chart  
Timing chart with a normal operation  
30V  
Charged condition of the work  
0V  
ON  
Power supply DC24V  
Discharge-stop signal  
OFF  
Input  
ON  
(Opration)  
Input  
OFF  
ON (discharge)  
OFF  
Completion signal for  
static charge elimination  
Output  
ON (Output)  
OFF  
Sensor monitor output  
Output  
LED  
ON (LED)  
OFF  
Charged condition  
(with ION LED)  
Timing chart when the dirt on the electrode needle is detected  
ON  
Power supply  
Input  
OFF  
DC24V  
ON  
(Operation)  
Discharge stop  
signal  
Input  
OFF  
(discharge)  
Contamination detecting of electrode  
ON  
Completion signal for  
Static charge  
2s  
Output OFF  
100ms or more  
ON (SW ON)  
Maintenance  
start-up signal  
Input OFF  
ON (SW ON)  
OFF  
Maintenance  
output signal  
Output  
ON  
Blink  
Maintenance indication  
(With NDL CHECK ALARM)  
(LED)  
LED  
OFF  
ON and OFF status will be changed depending on the situation  
The completion signal for static charge elimination is output while the dirt on the electrode needle is being detected  
Because ions are discharged from the ionizer when the electrode needle is being detected, the workpiece might be charged.  
Therefore, the workpieces should not be mounted when the detection is executed.  
15  
4-2. Pulse DC mode  
1. Selection of the bar length  
Select an appropriate length that is suitable for the work size, static charge elimination characteristics  
and static charge elimination range.  
2. Installation of the ionizer  
Keep the distance between the ionizer and charged object within 50 to 2000mm. When the auto  
balance sensor is used, the distance should be ranged from 100 to 2000mm. When the ionizer is used  
outside of the operating conditions, it might not operate properly. In that case, be sure to check if the  
ionizer will operate properly.  
3. Installation of the sensor  
Install the auto balance sensor to adjust the ion balance.  
Horizontally place the auto balance sensor under the ionizer, and install the sensor on the same level  
with a workpiece as much as possible.  
When he auto balance sensor is connected, the balance adjustment trimmer will be invalid.  
4. Setting of the maintenance level selecting switch  
[manual operation] or [auto operation] can be selected when the ion balance needs to be adjusted with  
the auto balance sensor.  
Description  
Switch setting  
Manual  
operation  
Ion balance is adjusted when the maintenance MANUAL  
start-up signal is input or when the power  
supply of the Ionizer is applied.  
The ion-balance adjustment values are  
retained per ion-production frequency. When  
the ion-production frequency is changed, adjust  
the ion balance.  
AUTO MANUAL  
Once the ion-balance adjustment is completed,  
the ion balance adjustment will not be executed  
unless the next maintenance start-up signal is  
input. Therefore, the auto balance sensor can  
be removed.  
Auto operation Ion-balance is continuously adjusted.  
Once the auto balance sensor is removed,  
manually adjust the ion-balance with a balance  
adjustment trimmer.  
AUTO  
* Set the switch in line with the detection level of the dirt on the electrode needle.  
When the auto balance sensor is not used, change the switch setting to AUTO, and manually adjust the  
ion-balance with a balance adjustment trimmer.  
Balance aadjustment trimmer  
Model  
NuFile  
00  
Set the level for detecting the dirt on the electrode needle.  
Select the level from HHigh, MMiddleor LLow. The dirt on the electrode needle cannot be  
detected with other levels.  
HHigh) ・・・ The level that doesn’t affect the static charge eliminating time (Even a small amount of  
dirt can be detected).  
MMiddle) ・・The level that can notify the maintenance just before the static charge elimination time becomes  
slow.  
LLow) ・・・ The level that the static charge elimination time becomes slower than the one in the initial state.  
The dirt detection will begin once the maintenance start-up signal is input.  
If H, M and L levels are set, ion balance adjustment is executed after the dirt on the electrode needle is  
detected.  
16  
5. Setting of the frequency selecting switch  
Select the ion-production frequency.  
Ion-production  
frequency  
1Hz  
Switch setting  
0
1
2
3
4
5
6
7
3Hz  
5Hz  
10Hz  
15Hz  
20Hz  
30Hz  
60Hz  
6. Wiring of the power supply cables  
Connect a dedicated power supply cable.  
Connection power supply for ionizer drive  
No  
Lead wire color  
Direction  
of signal  
Description  
Function  
DC Power supply  
Brown  
Power supply  
DC24V  
Power supply  
GND[FG]  
Sensor monitor  
output  
DC1+)  
DC1-)  
OUT4  
power supply cable for  
ionizer drive  
Brown  
Blue  
Blue  
Ground  
Dark Green  
Be sure to ground DC1(-)Blue. (Resistance between the lead wire and the earth ground should be 100Ω or less.)  
If not, it may break the ionizer.  
Connection power supply for I/O signal  
No  
Lead wire  
color  
Direction  
of signal  
Description  
Function  
Red  
Black  
Light  
Power supply DC24V  
Power supply GND  
Discharge-stop signal  
DC2+)  
DC2-)  
IN1  
Power supply cable for I/O signal  
Signal for starting/ stopping the discharge  
NPN specOperation will begin when it is  
connected with DC2-)[Black.  
Green  
PNP specOperation will begin when it is  
connected with DC2+)[Red.  
A signal that is input when the maintenance of the  
electrode needle is necessary.  
IN2  
Gray  
Maintenance start-up  
signal  
White  
Orange  
Pink  
OUT1  
Outputs when the dirt on the electrode needle is  
detected.  
Outputs when the maintenance of the electrode  
needle is necessary.  
Outputs in case of abnormal high voltage and  
sensor and/or CPU failure.  
(B contact output)  
Completion signal for  
static charge elimination  
Maintenance output  
signal  
OUT2  
OUT3  
Yellow  
Purple  
Signal for failure  
○ : Wires that are minimum required to operate the ionizer.  
△ : Wires that are required to use the functions.  
- : Wires that are not necessary with the pulse DC mode. These wires should not be short-circuited with other cables.  
7. Air piping  
When the piping is only connected to one port, the other unused port should be plugged with the M-5P  
that is packaged together with the ionizer.  
17  
8. LED display  
POWER LED ・・・ The power supply input and the connection of the sensors are displayed.  
LED name  
POWER  
Functions  
MAIN  
Lights up when the power supply is applied. (Green)  
(Flashes when wrong power supply is applied. )  
Lights up when the auto balance sensor is connected.(Green)  
SNSR  
ION LED ・・・ The discharged ion polarity and ion balance are displayed.  
LED name  
ION  
Function  
Lights on when plus ions are generated.(Orange)  
OK  
With auto balance sensorCondition of the ion balance Green)  
W/o auto balance sensorGoes out  
Lights on when minus ions are generated.(Blue)  
The ion balance state can be identified with the LED display.  
Ion balance  
Below +/-30V  
+/-30V or more  
OK LED  
Lighet up.(or flashes)  
Goes out  
LED [OK] flashes when the ion balance nears the limit of the adjustment of the ion balance and indicates that  
it is time for maintenance of the electrode needle.  
ALARM LED ・・・ Failure of the ionizer will be indicated.  
LED name  
ALARM  
Functions  
HV  
Lights up when overcurrent is applied to the electrode  
needle.Red)  
SNSR  
NDL  
CHECK  
Lights up when the auto balance sensor doesn’t work properly.Red)  
Lights up when dirt on the electrode needle is detected. Red)  
Flashes when the dirt is being detected. )  
18  
9. Alarm  
Type of alarm  
Description  
How to reset  
Abnormal high voltage  
Notifies when overcurrent such as high voltage  
leakage occurs.The ion-discharge-output is  
Turn off the power supply to solve the problem.  
Once it’s solved, apply the power supply again.  
stopped, HV ALRM sets off and output the signal Or turn on and off the discharge-stop signal.  
for failure.  
Sensor failure  
CPU failure  
Notifies that the auto balance sensor doesn’t  
work properly. SNSR ALARM lights up, and the  
signal for sensor failure is output.  
Turn off the power supply to solve the problem.  
Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
Turn off the power supply to solve the problem.  
Notifies that CPU fails due to noise. All LEDs  
Flashes, and the signal for CPU failure is output. Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
Electrode needle  
maintenance  
Notifies when the maintenance of the electrode  
needle is necessary. NDL CHECK ALARM lights  
up, and the maintenance output signal is output.  
Turn off the power supply and clean the  
electrode needle. Then apply the power supply.  
10. Timing chart  
Timing chart with a normal operation  
ON  
OFF  
Input  
Power supply DC24V  
ON (Operation)  
OFF  
Discharge-stop signal Input  
State of ion discharge  
ON (Discharge)  
OFF  
Timing chart when the dirt on the electrode needle is detectedadjust ion balance  
(a)With auto balance sensor  
Manual operation  
Auto operation  
ON  
ON  
Input  
Power supply DC24V  
OFF  
OFF  
Power supply DC24V Input  
ON  
ON  
(Operation)  
(Operation)  
Discharge-stop signal  
Input  
Discharge-stop signal  
OFF  
OFF  
Input  
(Contamination detecting of electrode needle)  
2s  
(Contamination detecting of electrode needle / Ion balance is being adjusted.)  
ON  
ON  
Completion signal for  
Static charge elimination  
Output  
Completion signal for  
Static charge elimination  
Output  
2s  
OFF  
OFF  
100ms or more  
100ms or more  
(SW ON)  
ON  
ON  
(SW ON)  
(SW ON)  
Maintenance  
Start-up signal  
Maintenance  
Start-up signal  
Input  
OFF  
OFF  
Input  
ON  
ON  
(SW ON)  
Maintenance  
Output signal  
Maintenance  
Output signal  
Output  
OFF  
OFF  
Output  
LED  
Blink  
ON  
Blink  
ON (Lighting)  
OFF  
(Lighting)  
Maintenance indication  
(NDL CHECK ALARM)  
Maintenance indication  
(NDL CHECK ALARM)  
OFF  
LED  
Detection is executed when the  
maintenance level selecting switch,  
H, M or L is selected.  
Detection is executed when the  
maintenance level selecting switch,  
H, M or L is selected.  
Contamination detecting  
of electrode needle  
Contamination detecting  
of electrode needle  
Ionizer  
operation  
Ionizer  
operation  
Adjust ion balance  
Adjust ion balance  
(b)W/o auto balance sensor  
ON  
OFF  
Input  
Power supply DC24V  
ON  
(Operation)  
Discharge-stop signal  
Completion signal for  
Static charge elimination  
OFF  
Input  
(Contamination detecting of electrode needle)  
2s  
ON  
OFF  
Output  
100ms or more  
ON (SW ON)  
OFF  
Maintenance  
Start-up signal  
Input  
ON (SW ON)  
OFF  
Maintenance  
Output signal  
Output  
LED  
Blink  
Maintenance indication  
(NDL CHECK ALARM)  
ON (Lighting)  
OFF  
Contamination detecting  
of electrode needle  
Detection is executed when the  
maintenance level selecting switch,  
H, M or L is selected.  
Ionizer  
operation  
Adjust ion balance  
ON and OFF status will be changed depending on the situation.  
The completion signal for static charge elimination is output while the dirt on the electrode needle is being detected  
Because ions are discharged from the ionizer when the electrode needle is being detected, the workpiece might be charged.  
Therefore, the workpieces should not be mounted when the detection is executed.  
19  
4-3DC mode  
1. Selection of bar length  
Select the length applicable to work size base on static charge elimination area and static charge  
elimination characteristics.  
2. Installation of body  
Keep the distance between the ionizer and charged objects within 50 to 2000mm. Although the ionizer  
can be mounted outside of this range, it may not operate properly depending on the operating conditions.  
Therefore, be sure to check if the ionizer will operate properly.  
3. Installation of the sensor  
[Plus ion discharge] or [minus ion discharge] can be selected.  
Ion polarity  
Switch setting  
Plus ion discharge  
Minus ion discharge  
8
9
4. Wiring of the power supply cable  
Connect dedicated power supply cables.  
DC Power supply  
Connection with the power supply for ionizer operation  
Brown  
Blue  
Symbol  
Cable  
color  
Cable name  
Connection  
Description  
Ground  
Brown  
Blue  
Dark  
Green  
Power supply DC24V  
Power supply GND[FG]  
Sensor monitor output  
DC1+)  
DC1-)  
OUT4  
Power supply cable for  
ionizer operation  
Be sure to ground DC1(-)Blue.(Resistance between the lead wire and the earth ground should be 100Ωor less.)  
If not, it may break the ionizer.  
Connection with the power supply for I/O signal  
Symbol  
Cable  
color  
Red  
Black  
Light  
Cable name  
Connection  
Description  
Power supply DC24V  
Power supply GND  
Discharge-stop signal  
DC2+)  
DC2-)  
IN1  
Power supply cable for I/O signal  
Signal for starting/ stopping the discharge  
NPN specOperation will begin when it is connected  
with DC2-)[Black.  
Green  
PNP specOperation will begin when it is connected  
with DC2+)[Red.  
IN2  
Gray  
Maintenance start-up  
signal  
White  
Orange  
Pink  
OUT1  
Completion signal for  
static charge elimination  
Maintenance output  
signal  
OUT2  
OUT3  
Yellow  
Purple  
Signal for failure  
Outputs in case of abnormal high voltage and sensor  
and/or CPU failure.  
(B contact output)  
○ : Wires that are minimum required to operate the ionizer.  
△ : Wires that are required to use the functions.  
- : Wires that are not necessary with the sensing DC mode. These wires should not be short-circuited with other  
cables.  
5. Air piping  
When the piping is only connected to one port, the other unused port should be plugged with the M-5P  
that is packaged together with the ionizer.  
20  
6. LED display  
POWER LED ・・・ The power supply input and the connection of the sensors are displayed.  
LED name  
POWER  
Functions  
MAIN  
Lights up when the power supply is applied. (Green)  
(Flashes when wrong power supply is applied. )  
Goes out.  
SNSR  
ION LED ・・・ The discharged ion polarity is displayed.  
LED name  
ION  
Functions  
Lights on when plus ions are generated.(Orange)  
OK  
Goes out.  
Lights on when minus ions are generated.Blue)  
ALARM LED ・・・ Failure of the ionizer is displayed.  
LED name  
ALARM  
Functions  
HV  
Lights up when overcurrent is applied to the electrode needle. Red)  
SNSR  
NDL  
Goes out.  
Goes out.  
CHECK  
7. Alarm  
Type of alarm  
Description  
How to reset  
Abnormal high voltage  
Notifies when overcurrent such as high voltage Turn off the power supply to solve the problem.  
leakage occurs. The ion-discharge-output is  
stopped, HV ALRM sets off and output the  
signal for failure.  
Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
CPU failure  
Notifies that CPU fails due to noise. All LEDs  
Flashes, and the signal for CPU failure is  
output.  
Turn off the power supply to solve the problem.  
Once it’s solved, apply the power supply again.  
Or turn on and off the discharge-stop signal.  
8. Timing chart  
Timing chart with a normal operation  
ON  
Power supply DC24V  
OFF  
Input  
Input  
ON  
(Operation)  
(Discharge)  
OFF  
Discharge-stop signal  
State of ion discharge  
ON  
OFF  
21  
4-4. Power supply cable connection circuit  
NPN  
Note) Because the sensor monitor output OUT4Dark Greenis not insulated from the internal circuit  
of the ionizer, It is grounded. (It is connected to FG).  
22  
PNP  
Note) Because the sensor monitor output OUT4Dark Greenis not insulated from the internal circuit  
of the ionizer, It is grounded. (It is connected to FG).  
23  
5.Specifications  
5-1Ionizer  
Ionizer model  
IZS31(NPN)  
IZS31P(PNP)  
Type  
Corona discharge  
Voltage supply method  
Discharge output  
Ion balance *1  
Sensing DC, pulse DC, Plus DC, Minus DC  
+/- 7000 V  
+/-30V (For Stainless electrode needle, from -100 to +100V)  
Air (Clean dry air)  
Fluid  
Op. pressure  
(MPa)  
0.7 MPa or less  
Φ4  
Purge air  
Connection  
tube size  
Power supply voltage  
DC24 V + / - 10 %  
SensingDCmodeoperated  
SensingDCmodestand-by  
Pulse DC mode  
200 mA or less (When sensor is standby:120 mA or less)  
200 mA or less (When sensor is not used:170 mA or less)  
170mA or less  
Current consumption  
Input signal  
Discharge stop signal  
Maintenance start-up  
signal  
No-voltage contact signal  
Completion signal for  
static charge elimination  
Maintenance output signal  
Signal for failure  
Maximum load current : 100mA  
Residual voltage : 1V or less  
(when the load current is 100mA)  
Max. applied voltage:DC28V  
Maximum  
load current : 100 mA  
Residual voltage : 1V or less  
(With load current of 100 mA)  
Output signal  
Sensor monitor output*2  
Output voltage: 1 to 5 V (Please connect the load of 10kΩ or more.)  
50 to 2000 mm (with sensing DC mode:200 to 2000 mm)  
0 to 50 ℃  
Effective elimination distance  
Ambient temperature  
Ambient humidity  
35 to 80 %Rh(No dew condensation)  
Ionizer cover:ABS  
Electrode needle:Tungsten, single crystal silicon, stainless  
Endurance 50Hz Amplitude 1mm  
Material  
Vibration resistance  
Impact resistance  
2 hours to X,Y,Z each direction of vibration  
10G  
CE (EMC directive:89/336/EEC,92/31/EEC,93/68/EEC,2004/108/EC、  
Low Voltage Directive:73/23/EEC,93/68/EEC)  
Applicable standard/ directive  
1:The distance between the charged object and ionizer is 300mm or more. With air purge.  
2:When the potential of the charged object is measured with the feed back sensor, the relation  
between the charged potential and the sensor-monitor-output-voltage and the sensor detecting  
range will vary depending on the installation distance between the ionizer and sensor.  
Electrode cartridge quantity and weight]  
Bar length  
mm  
300  
3
380  
4
620  
7
780  
9
1100  
13  
1260  
15  
1500  
18  
1900  
23  
2300  
28  
Q’ty of electrode  
cartridge  
Weight g  
330  
400  
600  
720  
1000  
1100  
1500  
2000  
2500  
24  
5-2Sensor  
IZS31-DF  
IZS31-DG  
Sensor model  
(Feed back sensor)  
(Auto-balance sensor)  
Operating ambient temp  
0 to 50 ℃  
35 to 80%Rh(No dew condensation)  
ABS ABS, Stainless  
Operating ambient humidity  
Case material  
Vibration resistance  
Impact resistance  
Weight  
Endurance 50Hz, Amplitude 1mm, 2hours each for XYZ  
10G  
200g(including cable weight)  
10 to 50mm (Recommended)  
220g(including cable weight)  
Installation distance  
-
CE (EMC directive:89/336/EEC,92/31/EEC,93/68/EEC,2004/108/EC、  
Low voltage directive:73/23/EEC,93/68/EEC)  
Applicable standard/ directive  
Sensor monitor output (When feed back sensor is used)  
Relation of sensor output and charge potential based pm  
installation distance  
6
5
4
Installation distance  
25mm  
3
2
1
0
Installation distance  
25mm  
Installation distance  
10mm  
-2000  
-1500  
-1000  
-500  
0
500  
1000  
1500  
2000  
Charge potential V  
Detection range of Feedback sensor  
Sensor head  
Detection hole  
Installation  
Detection range  
distance mm  
mm  
10  
25  
50  
45  
100  
180  
Detection range  
25  

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