Differences
This shows you the differences between two versions of the page.
| ezeio2:expref:this [2019-09-25 00:20] – created andreh | ezeio2:expref:this [2023-08-13 07:24] (current) – [THIS] andreh | ||
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| - | THIS is useful to self-reference a field or alarm. For example to let a field self-increment, | + | THIS is useful to self-reference a field or alarm. For example to let a field self-increment, |
| - | < | + | < |
| THIS is also useful in reverse math expressions to scale the field value to a suitable register value. This example scales a 0-10 mA value in the field to uA and offsets it to industry standard 4-20mA. | THIS is also useful in reverse math expressions to scale the field value to a suitable register value. This example scales a 0-10 mA value in the field to uA and offsets it to industry standard 4-20mA. | ||