Denso Power Net Terminal BHT-7500 Especificações Página 178

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Chapter 12. Power-related Functions
169
12.3 Wakeup Function
BHT-5000/BHT-6000/BHT-6500/BHT-7000/BHT-7500
The wakeup function allows you to turn on the BHT from "OFF" at the wakeup time (of the
system clock) specified in user programs.
To set the wakeup time by using the
TIME$ function:
(1) Set 1 to bit 2 on port 8. Switches the TIME$ function to the setting of the
wakeup time.
(2) Set the wakeup time by using the
TIME$ function.
(3) Set 1 to bit 0 on port 8. Activates the wakeup function.
To confirm the wakeup time preset:
(1) Set 1 to bit 2 on port 8. Switches the TIME$ function to the setting of the
wakeup time.
(2) Retrieve the wakeup time by using the TIME$ function.
NOTE
If you set or retrieve the system time or wakeup time by using the TIME$ func-
tion, the value of bit 2 on port 8 will be automatically reset to zero.
When bit 2 on port 8 is zero, you can set or retrieve the current system time by
using the TIME$ function.
By reading the value of bit 1 on port 8 in user programs, you may confirm the ini-
tiation option of the BHT. If this bit is 1, the BHT is initiated by the wakeup func-
tion and if 0, it is initiated by the PW key.
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