xxii
Precautions for Safe Use
4
• Be careful not to get your fingers caught when attaching connectors to the
plugs on the products.
• Tighten the DeviceNet connector to the appropriate torque (0.25 to
0.3 N·m).
• Incorrect wiring may reduce safety functions. Perform all wiring correctly
and check operation prior to using the products.
• Remove the dust-preventive label after completing wiring to ensure
proper heat dissipation.
■
Selecting a Power Supply
Use a DC power supply satisfying the following requirements.
• The secondary circuits of the DC power supply must be isolated from the
primary circuit by double insulation or reinforced insulation.
• The DC power supply must satisfy the requirements for class 2 circuits or
limited voltage/current circuits defined in UL 508.
• The output hold time must be 20 ms or longer.
■
Periodic Inspections and Maintenance
• Turn OFF the power supply before replacing the products. Not doing so
may result in unexpected operation of external devices connected to the
products.
• Do not disassemble, repair, or modify the products. Doing so may impair
the safety functions.
■
Disposal
• If you disassemble the products for disposal, be careful not to injure your-
self.
Summary of Contents for DeviceNet Safety
Page 1: ...SYSTEM CONFIGURATION MANUAL Cat No Z905 E1 07 DeviceNet Safety...
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Page 5: ...DeviceNet Safety System Configuration Manual Revised July 2009...
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Page 11: ...ix TABLE OF CONTENTS Appendix 277 Glossary 333 Index 335 Revision History 339...
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