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| en:sw:01-mervis:automatic-restart-of-1-wire-hidden [2021/08/05 14:33] – avsetula | en:sw:01-mervis:automatic-restart-of-1-wire-hidden [2025/11/21 10:49] (current) – added links to comm attrib ofojt | ||
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| - | <WRAP center round info 60%> | + | < |
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| + | <WRAP half column 13%> | ||
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| + | <WRAP half column 83%> | ||
| + | **Note:** \\ | ||
| In Mervis, the property controlling the power supply for the 1-Wire bus is called **OW_off_1**. By setting the value to '' | In Mervis, the property controlling the power supply for the 1-Wire bus is called **OW_off_1**. By setting the value to '' | ||
| + | </ | ||
| </ | </ | ||
| - | You can reset the power supply manually, but with the help of **commerror** attributes, you can let Mervis do it automatically. The attributes are available on the particular device or the whole channel and they indicate when the Mervis wasn't able to read the datapoints for given device/ | + | You can reset the power supply manually, but with the help of **commerror** |
| We will start the project in the **Full mode**, attaching to the controller, creating a FBD program and setting a task executing this program. Next we create ModbusTCP channel for the IOs of the PLC and 1-Wire channel for the 1-Wire bus. Then deploy the solution and detect the 1-Wire sensors. Your workspace should look like this: | We will start the project in the **Full mode**, attaching to the controller, creating a FBD program and setting a task executing this program. Next we create ModbusTCP channel for the IOs of the PLC and 1-Wire channel for the 1-Wire bus. Then deploy the solution and detect the 1-Wire sensors. Your workspace should look like this: | ||