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12.4 Remote Wakeup Function
[1] Outline
The remote wakeup function allows you to wake up the BHT from a remote location so as to
run the specified user program (hereafter referred to "remote wakeup program") by sending
the specified message from the host computer to the BHT via the CU.
Developing user programs utilizing the remote wakeup at both the host computer and BHT
enables you to automatically maintain the master system or update user programs.
To use the remote wakeup between the BHT and host computer, the following is required:
• Optical communications unit (CU-8000)
• CU interface cable
NOTE: If you will not use the remote wakeup function, it is recommended that it be
deactivated. This is because activating the remote wakeup function will periodically run the
CPU for the specified time length during the wakeup effective hours (timeout period) so that
the BHT will consume more power than that with the remote wakeup function deactivated.
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