Omron OMNUC W Series Manual page 5

Take appropriate and sufficient countermeasures when installing systems in the following
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locations. Not doing so may result in damage to the product.
• Locations subject to static electricity or other forms of noise.
• Locations subject to strong electromagnetic fields and magnetic fields.
• Locations subject to possible exposure to radioactivity.
• Locations close to power supplies.
Do not reverse the polarity of the battery when connecting it. Reversing the polarity may
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damage the battery or cause it to explode.
Before touching a Unit, be sure to first touch a grounded metallic object in order to discharge
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any static build–up. Not doing so may result in malfunction or damage.
Operation and Adjustment Precautions
Confirm that no adverse effects will occur in the system before performing the test operation.
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Not doing so may result in damage to the product.
Check the newly set parameters and switches for proper execution before actually running
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them. Not doing so may result in damage to the product.
Do not make any extreme adjustments or setting changes. Doing so may result in unstable
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operation and injury.
Separate the Servomotor from the machine, check for proper operation, and then connect to
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the machine. Not doing so may cause injury.
When an alarm occurs, remove the cause, reset the alarm after confirming safety, and then
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resume operation. Not doing so may result in injury.
Do not come close to the machine immediately after resetting momentary power interruption
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to avoid an unexpected restart. (Take appropriate measures to secure safety against an
unexpected restart.) Doing so may result in injury.
Do not use the built–in brake of the Servomotor for ordinary braking. Doing so may result in
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malfunction.
When using the DeviceNet Unit in a Programmable Controller system, execute online edit
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only after confirming that no adverse effects will be caused by extending the cycle time. Oth-
erwise, the input signals may not be readable.
When using the DeviceNet Unit in a Programmable Controller system, confirm safety at the
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destination node before transferring parameters or other data to another node or changing
output signals. Doing either of these without confirming safety may result in injury.
Confirm that no adverse effect will occur in the system before attempting any of the follow-
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ing. Not doing so may result in an unexpected operation or damage to the product.
• Changing the present values or set values.
• Changing the parameters.
Do not turn OFF the power supply to the Unit while data is being transferred. Doing so may
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result in malfunction or damage to the product.
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