Difference between revisions of "Relay boards"
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The control system | The control system can use up to two relay boards. | ||
[[File:RelayBoardsMountedInControlCabinet.jpg|thumb|Relay boards mounted in the control cabinet. Low voltage to the left, high voltage to the right]] | [[File:RelayBoardsMountedInControlCabinet.jpg|thumb|Relay boards mounted in the control cabinet. Low voltage to the left, high voltage to the right]] | ||
The supplier of the relay boards is Conrad electronics: | The supplier of the relay boards is Conrad electronics: | ||
* [https://www.conrad.at/de/p/conrad-components-197720-relaiskarte-baustein-12-v-dc-24-v-dc-197720.html Low-voltage relay board 197720] | * [https://www.conrad.at/de/p/conrad-components-197720-relaiskarte-baustein-12-v-dc-24-v-dc-197720.html Low-voltage relay board 197720] | ||
* [https://www.conrad.at/de/p/conrad-components-197730-relaiskarte-baustein-12-v-dc-197730.html High-voltage relay board] | * [https://www.conrad.at/de/p/conrad-components-197730-relaiskarte-baustein-12-v-dc-197730.html High-voltage relay board 197730] | ||
The Raspberry Pi communicates with the relay board via USB, therefore an additional module needs to be assembled onto each relay board: | The Raspberry Pi communicates with the relay board via USB, therefore an additional module needs to be assembled onto each relay board: | ||
* [https://www.conrad.at/de/p/197257-schnittstellenwandler-1-st-197257.html RS232 to USB converter] | * [https://www.conrad.at/de/p/197257-schnittstellenwandler-1-st-197257.html RS232 to USB converter] | ||
Experience from longer usage indicates that the high-voltage relay board is not stable leading to a major failure of the control system. | |||
The low-voltage relay board only showed minor deviations in device response, there it has been deactivated for the main controls as well. | |||
Both relay boards have been replaced by [[Controllino]]. | |||
For future extensions, the control SW still includes the SW parts for operating the relay boards. | |||
Latest revision as of 12:27, 2 April 2023
The control system can use up to two relay boards.
The supplier of the relay boards is Conrad electronics:
The Raspberry Pi communicates with the relay board via USB, therefore an additional module needs to be assembled onto each relay board:
Experience from longer usage indicates that the high-voltage relay board is not stable leading to a major failure of the control system. The low-voltage relay board only showed minor deviations in device response, there it has been deactivated for the main controls as well.
Both relay boards have been replaced by Controllino.
For future extensions, the control SW still includes the SW parts for operating the relay boards.
