Ec Directives - Omron CQM1-ARM21 Operation Manual

EC Directives

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Caution
6

EC Directives

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• Be sure to tighten Backplane screws, terminal screws, and cable connector
screws securely.
• Do not attempt to take any Units apart, to repair any Units, or to modify any
Units in any way.
The following precautions are necessary to ensure the general safety of the
system. Always heed these precautions.
• Provide double safety mechanisms to handle incorrect signals that can be
generated by broken signal lines or momentary power interruptions.
• Provide external interlock circuits, limit circuits, and other safety circuits in
addition to any provided within the PLC to ensure safety.
The AS-Interface Master Units that meet EC directives also meet the common
emission standard (EN50081-2). When AS-Interface Master Units are built
into equipment, however, the measures necessary to ensure that the
standard is met will vary with the overall configuration, the other devices
connected, and other conditions. You must therefore confirm that EC
directives are met for the overall machine or device.
Section 6