Precautions For Safe Use - Omron EJ1 EtherCAT User Manual

Precautions for Safe Use

Precautions for Safe Use
• The product is designed for indoor use only. Do not use the product outdoors or in any of the follow-
ing locations.
• Places directly subject to heat radiated from heating equipment.
• Places subject to splashing liquid or oil atmosphere.
• Places subject to direct sunlight.
• Places subject to dust or corrosive gas (in particular, sulfide or ammonia gas)
• Places subject to intense temperature change.
• Places subject to icing or condensation.
• Places subject to vibration or strong shocks.
• Use and store the product within the rated temperature and humidity ranges. Provide forced-cooling
if required.
• To allow heat to escape, do not block the area around the temperature controller. Also, do not block
its ventilation holes.
• Be sure to wire properly with correct polarity of terminals.
• Do not wire terminals that do not have an identified use.
• Secure as much space as possible between the product and devices that generates a strong
high-frequency or surge. Separate the high-voltage or large-current power lines from other lines, and
avoid parallel or common wiring with the power lines when you are wiring to the terminals.
• Use the product within the rated load and power supply voltage.
• Make sure that the rated voltage is attained within two seconds of turning ON the power.
• The switch or circuit breaker must be located within an easy reach of the operator, and must be
marked as a disconnecting means for this unit.
• Do not use paint thinner or similar chemical to clean with. Use standard grade alcohol.
• Never touch the electric components, connectors, or patterns in the product with bare hands. Always
hold the product by its enclosure. Inappropriate handling of the product may occasionally damage
internal components due to static electricity.
• Use a switch, relay, or other device for turning OFF the power supply quickly. Gradually lowering the
voltage of the power supply may result in incorrect outputs or memory errors.
• Connect only the specified number of products in only a specified configuration.
• Mount the product to a DIN Rail mounted vertically to the ground.
• Make sure that the data transfer distance for EtherCAT is within the specified range, and use the
specified cables only.
• Do not bend a communications cable past its natural bending radius or pull in it with excessive force.
Also, do not place heavy objects on top of the cables or other wiring lines. Doing so may break the
cable.
• When transporting any Unit, use the special packing box for it. Also, do not subject the Unit to exces-
sive vibration or shock during transportation.
• Do not drop any Unit or subject it to abnormal vibration or shock. Doing so may result in Unit malfunc-
tion or burning.
• Be sure that connectors with locking devices are properly locked into place.
• When wiring or installing the Units, do not allow metal fragments to enter the Units.
• Double-check all switches and other settings and double-check all wiring to make sure that they are
correct before turning ON the power supply. Use the correct wiring parts and tools when you wire the
system.
• Always turn OFF the external power supply to the Units before attempting any of the following.
• Mounting, removing, or replacing the Unit
• Setting the rotary switches
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EJ1 EtherCAT Slave Unit User's Manual (H192)