Riken Keiki GD-3EC, Technical Manual

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5. Usage Instructions 5-8 Shutting down
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5-8 Shutting down
To shut down product operation, turn off the power supply (24 V DC) while in detection mode.
WARNING

Shutting down product operation may activate an alarm in an upstream (central) system.

Before shutting down product operation, make sure the INHIBIT setting is enabled (alarm processes are
stopped) in the upstream (central) system. Also check the operation of any devices connected to the
external output or external contact output terminal of the product to confirm shutting down the power will
not cause problems.

If using contacts (optional), the contacts may activate when the power supply is turned off.