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Matveevrj (обсуждение | вклад) (Новая страница: «When the channel is in input mode, the Ax_OUT (D1_OUT) switch must be turned off.») |
Matveevrj (обсуждение | вклад) |
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| Строка 8: | Строка 8: | ||
#''Dry contact'' — input for connecting '''dry contact''' (W1, W2 at controller, WB-MR at relay modules, etc.), which check if they are shorted to ground. | #''Dry contact'' — input for connecting '''dry contact''' (W1, W2 at controller, WB-MR at relay modules, etc.), which check if they are shorted to ground. | ||
One contact of the button / reed switch / counter is connected to the ground (to the GND terminal), and the other to the «dry contact» input. You can also connect outputs of the «open collector» type (connect grounds and input to output). | One contact of the button / reed switch / counter is connected to the ground (to the GND terminal), and the other to the «dry contact» input. You can also connect outputs of the «open collector» type (connect grounds and input to output). | ||
Input status: | |||
* closed to ground - «on» | * closed to ground - «on» | ||
* not closed to ground - «off» | * not closed to ground - «off» | ||