Technalogix TAU-100, Руководство пользователя

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VI-3
simply turns off the buzzer.
The carrier disable circuit simply applies a shutdown voltage to the driver pallet in the system. The
U14 generates the signal out of pin 21 and controls relay Q2 through R17. When Q2 is turned off,
the shutdown voltage to the driver is floating and the carrier is on. During a fault condition, when
Q2 is turned on, the shutdown voltage is applied to the carrier disable on the driver.