dixell iPRO - Creating Function Blocks (FB)

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8.3.2 How to create the FB
Starting from the Example No. 1, we can consider to control the following resources:
• Fan motor
• Alarm for high temperature
• Alarm for low temperature
The diagram for each of them is:
Practically we can see that for every diagram we have:
• An analog variable that drives the output
• A bool variable as output
• A specific input value where the output is ON
• A specific input value where the output is OFF
The only difference is the action : DIRECT or INVERSE.
Inverse Action
Direct Action
Inverse Action