Просмотр кода страницы WBE2-DO-SSR-2 Dry Contact Outputs Extension Module/en

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The module is designed to control the inputs of the "dry contact" type in applications where galvanic isolation is required.
== Technical specifications ==
<div class="tright" style="clear:none">[[Файл:WBE2-DO-SSR-21.png|thumb|200px| WBE2-DO-SSR-2 back side]]</div>
<div class="tright" style="clear:none">[[Файл:WBE2-DO-SSR-22.png|thumb|200px| WBE2-DO-SSR-2 front side]]</div>
The module contains two SPST (normally open) configuration opto relays with one common contact.

Each channel has built-in protection against voltage surges when switching inductive load (TVS at 40V).

{| class="wikitable" style="text-align:center"
!Parameter
!Value
|-
|Number of outputs
|2
|-
|Outputs type
|opto relay
|-
|Contacts configuration
|SPST (normally open)
|-
|Maximum switching voltage
|40V AC/DC
|-
|Maximum switching current, per channel
|'''100 mA'''
|-
|The channel resistance in the open state
|< 5 Оhm
|-
|Voltage isolation between the controller and the output
|1500 Vrms
|-
|Maximum power consumption
|0.05 Вт
|-
|Compatibility
|Compatiblу with [[Wiren Board 6/en]] of all revisions. 
|}

== Pinout == 
<div class="tright" style="clear:none">[[Файл:OPtRel.png|250px|thumb|right|Output contact scheme]]</div>

{| class="wikitable" style="text-align:center"
!Terminal
!Function
|-
|O1
|K1
|-
|O2
|K2
|-
|O3
|COM
|}


==Configuration== 
Configuration of the web interface is carried out in the section Configs => Hardware Modules Configuration. 

Select ''WBE2-DO-SSR-2: Dual Small Signal SSR Module'' in the Internal slot 1 or 2 section (depending on the slot number) and click Save.

Once added, two additional outputs appear in the Devices next to the controller outputs (the Discrete I/O section).

When adding a device is detected immediately, a reboot is not required.

== MQTT ==
{| class="wikitable" style="text-align:center"

!Slot
!Terminal
!Relay output
!Channel (MQTT)
!Topic (MQTT)
|-
| rowspan="2" |MOD1
|O1
|K1
|wb-gpio/MOD1_K1
|/devices/wb-gpio/controls/MOD1_K1
|-
|O2
|K2
|wb-gpio/MOD1_K2
|/devices/wb-gpio/controls/MOD1_K2
|-
| rowspan="2" |MOD2
|O1
|K1
|wb-gpio/MOD2_K1
|/devices/wb-gpio/controls/MOD2_K1
|-
|O2
|K2
|wb-gpio/MOD2_K2
|/devices/wb-gpio/controls/MOD2_K2
|}