KEYENCE SJ-M400 - Manual

1
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.
High-performance Micro Static Eliminator
Instruction Manual
SJ-M SJ-M400
96M10401
Preface
This document describes handling, method of operation and precautions when using the Compact
Spot-type Static Eliminator SJ-M 400 Series. Before you start to use the SJ-M 400 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
This manual uses the following symbols to alert you to important information.
Be sure to read this information.
Failure to follow these instructions may lead to death or serious injury.
Failure to follow these instructions may lead to injury.
Failure to follow these instructions may lead to product damage (product
malfunction, etc.).
Provides additional information on precautions and restrictions that must be
followed in operation.
Provides additional information on proper operation.
Indicates useful information or information that aids understanding of text descriptions.
Indicates a reference item or page to be referred to in this manual or a separate manual.
DANGER
WARNING
CAUTION
Important
Note
Tip
Safety Precautions
■ General Precautions
• At startup and during operation, be sure to monitor the functions and
performance of the SJ-M Series.
• We recommend that you take substantial safety measures to avoid any
damage in the event that a problem occurs.
• Do not modify the SJ-M Series or use it in any way other than described in
the specifications. The functions and performance of products used or
modified in this way cannot be assured.
• When the SJ-M Series is used in combination with other instruments,
functions and performance may be degraded, depending on operating
conditions and the surrounding environment. Use the SJ-M after fully
studying the effect of combined use with other instruments.
• Do not use the SJ-M Series for the purpose of protecting the human body.
■ SJ-M Series Handling Precautions
The SJ-M Series is a high-voltage product that is not designed in an explosion-proof structure. Pay
attention to the following when using the SJ-M Series.
• To prevent electric shock and to ensure accurate static elimination, be sure
to connect a Class D ground (maximum resistance of 100 Ohms).
• The power cable supplied with the exclusive power supply (SJ-U2) is a 125 V
rated power cable. When connecting a power supply that exceeds this power
rating to the SJ-M Series, the user must prepare a power cable having
adequate voltage rating. If a power cable that does not meet the voltage
rating is used, this may cause electric shock, fire or malfunction.
• 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 electric shock or malfunction.
• If the SJ-M Series is used in an airtight location, the generated ozone may be
harmful. Be sure to ventilate the area when using the SJ-M Series.
• Do not use this product in locations where sudden changes in temperature
or condensation are likely to occur.
• 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.
• 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.
• Take soundproofing measures such as wearing earplugs when using the
SJ-M Series.
CAUTION
WARNING
• 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
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.
• Use this product for static elimination only. Do not use it for other purposes.
• 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.
■ Power Supply Precautions
• Use a DC power supply with rated 24 V output.
• 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 ground to
the Frame Ground terminal.
■ Grounding Precautions
• To ensure safety and appropriate static elimination, be sure to ground this
product.
• Be sure to connect a Class D ground (maximum resistance of 100 Ohms).
■ Air Purge Function Precautions
• Be sure to use an air pressure of 0.7 MPa or less.
• Be sure to supply clean or dry air of temperature –20°C or more through 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
CAUTION
CAUTION
CAUTION