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Conditions of changing indicator state are set in the Indicators tab of the settings panel of SNMP Rule. Description of parameters is presented in the following table. It is possible to specify not more than 10 states of indicator.
Parameter | Description |
Rule # | Condition order |
V. min , V. max | Range of channel values for condition |
S. min, S. max | Range of values which indicator will take according to the rule |
Usage | Activate the interval |
Red, Green, Blue | Specify the color of indicator by the RGB model |
Attention!
If the value of channel gets into multiple intervals, then indicator possesses the value according to the condition with the smallest serial number from the relevant.
To save changes click the Apply button.
Indicator and its value are displayed in the map (see the Working with the OPC-server elements of the Data Access standard on the map section).
Consider the working of this rule through the example.
There are three rules of element values depending on which the indicator takes the defined proportional value and color. To count the correct value of the indicator use the following formula: where V – exact value of the element.
For example, if V=1300 then the indicator value , the color will be red.
If V=2200 then the indicator value (approximated), the color will be blue.
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