![Alinking ALS-7721 Скачать руководство пользователя страница 100](http://html1.mh-extra.com/html/alinking/als-7721/als-7721_user-manual_2897514100.webp)
100
External Alarm I/O Circuit Diagram
Attention:
Where connecting of a low or high current loop to the external alarm input/output of the product is required,
the wiring and connection shall be conducted by a qualified electrician. Incorrect wiring may bring about
damage to the product fatal electric shock.
Direct connection of the external alarm input/output terminal to high-current equipment is not allowed and a
customized repeat circuit might be required (provided by the customer) for some cases to isolate the
terminal and the high-current equipment. Where the voltage/current of an external device exceeds the
loading capability (5V) of the Alarm I/O, the product would be damaged seriously.
Warning!
The alarm will be triggered when alarm pin 1 & 2 are
formed as a short circuit. Please do not connect the electric voltage
or current into alarm input pin for the electronic current might burn
the product.
Warning!
The alarm will be triggered when alarm pin 2 & 3 are
formed as a short circuit. Please do not connect the electric
voltage or current into alarm input pin for the electronic current
might burn the product.
Pin 1
Pin 2
Pin 3