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en:sw:01-mervis:automatic-restart-of-1-wire-hidden [2018/12/11 14:39]
mkudlacek
en:sw:01-mervis:automatic-restart-of-1-wire-hidden [2021/08/05 14:33] (current)
avsetula
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 ====== Automatic restart of the 1-Wire bus ====== ====== Automatic restart of the 1-Wire bus ======
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 The 1-Wire bus is prone to EMI which can result in sensors being "​stuck"​ and disabling the whole bus communication. With our PLCs you are able to turn the power off for the whole 1-Wire bus and forcing the sensors to reset. The 1-Wire bus is prone to EMI which can result in sensors being "​stuck"​ and disabling the whole bus communication. With our PLCs you are able to turn the power off for the whole 1-Wire bus and forcing the sensors to reset.
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 +<​html><​span class="​dev-tag dev-patron">​Patron</​span></​html>​ \\
 +<​html><​span class="​dev-tag dev-neuron">​Neuron</​span></​html>​ \\
 +<​html><​span class="​dev-tag dev-axon">​Axon</​span></​html>​
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 <WRAP center round info 60%> <WRAP center round info 60%>
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 {{ :​en:​sw:​01-mervis:​automatic-restart-of-the-1-wire-04-complete-project.png?​direct |}} {{ :​en:​sw:​01-mervis:​automatic-restart-of-the-1-wire-04-complete-project.png?​direct |}}
  
-All we need to alter is the length of the pulse and the pause between pulses to some reasonable values such as Ttrue = 1s and Tfalse = 4s, deploy the solution and start debugging. Then you can unplug the 1-Wire sensor and you will see that the measured values are red and the commerror attribute is ''​TRUE''​ and the **Pulse Generator** is sending reset pulses to the bus:+All we need to alter is the length of the pulse and the pause between pulses to some reasonable values such as Ttrue = 1 s and Tfalse = 4 s, deploy the solution and start debugging. Then you can unplug the 1-Wire sensor and you will see that the measured values are red and the **commerror** attribute is ''​TRUE''​ and the **Pulse Generator** is sending reset pulses to the bus:
  
 {{ :​en:​sw:​01-mervis:​automatic-restart-of-the-1-wire-05-debugging.png?​direct |}} {{ :​en:​sw:​01-mervis:​automatic-restart-of-the-1-wire-05-debugging.png?​direct |}}