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Matveevrj (обсуждение | вклад) |
Matveevrj (обсуждение | вклад) |
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| (не показано 8 промежуточных версий этого же участника) | |||
| 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» | ||
«Dry» are usually called contacts that are not connected to any other circuits of the external system: relay contacts, reed switches, switches. An “open collector” output, for example, cannot be called a dry contact, since it is not galvanically isolated from an external device. | |||
== | == Discrete inputs at the Wiren Board controller == | ||
As discrete inputs, you can use the universal inputs/outputs Ax (D1), which can operate as a discrete input in the voltage range up to 40 V. Signals from discrete inputs are displayed in the [[Wiren Board Web Interface | web interface]] of the controller or transmitted via [[MQTT]]. | |||
<gallery mode="packed" heights="100px" caption="Универсальные входы-выходы"> | <gallery mode="packed" heights="100px" caption="Универсальные входы-выходы"> | ||
Image: WB6_AI_DI.PNG| Wiren Board 6 | Image: WB6_AI_DI.PNG| Wiren Board 6 | ||
Image: WB7_AI_DI.PNG| Wiren Board 7 | Image: WB7_AI_DI.PNG| Wiren Board 7 | ||
Image: WB6.Ax.png| | Image: WB6.Ax.png| Schematic diagram of the input Ax | ||
Image: WB7.D1.png| | Image: WB7.D1.png| Schematic diagram of the input D1 in Wiren Board 7 | ||
</gallery> | </gallery> | ||
When the channel is in input mode, the Ax_OUT (D1_OUT) switch must be turned off. | |||