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en:sw:01-mervis:analog-inputs-hidden [2021/08/05 12:20]
avsetula
en:sw:01-mervis:analog-inputs-hidden [2021/08/05 12:22] (current)
avsetula [Introduction]
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 The different analog inputs have different modes of operation, see [[en:​automation:​02-glossary:​analog-inputs-hidden|Analog inputs]]. Change between modes in Mervis is done by configuring the Unipi module, therefor the **changes in modes cannot be done in the program** and the program has to be stopped during the configuration. The different analog inputs have different modes of operation, see [[en:​automation:​02-glossary:​analog-inputs-hidden|Analog inputs]]. Change between modes in Mervis is done by configuring the Unipi module, therefor the **changes in modes cannot be done in the program** and the program has to be stopped during the configuration.
  
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  The default mode of each input is "​Voltage"​.  The default mode of each input is "​Voltage"​.
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 Reading the input values for all modes is the same. Once you set the correct mode, you can just simple read a real value from the variable. The variable is called AI_X.Y depending on the Group (number X) and the position in the group (number Y). To include this variable into the program, you need to **[[en:​sw:​01-mervis:​autogen-hidden|Set Autogen]]**. After that, you will see the variable in **Variable Browser** and you will be able to read it in the **Debugging** mode. Reading the input values for all modes is the same. Once you set the correct mode, you can just simple read a real value from the variable. The variable is called AI_X.Y depending on the Group (number X) and the position in the group (number Y). To include this variable into the program, you need to **[[en:​sw:​01-mervis:​autogen-hidden|Set Autogen]]**. After that, you will see the variable in **Variable Browser** and you will be able to read it in the **Debugging** mode.
  
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 When reading the value of AO_X.Y in Voltage mode, the value is in volts (value 1.234 = 1.234 V⎓). When reading the value in Current mode, the value is in miliampers (value 3.145 = 3.145 mA). When reading the value in Resistance mode, tha value is in ohms (value 1012 = 1012 Ω) When reading the value of AO_X.Y in Voltage mode, the value is in volts (value 1.234 = 1.234 V⎓). When reading the value in Current mode, the value is in miliampers (value 3.145 = 3.145 mA). When reading the value in Resistance mode, tha value is in ohms (value 1012 = 1012 Ω)
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