on-demand_registers
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on-demand_registers [2018/11/26 13:19] – emozolyak | on-demand_registers [2021/08/06 15:02] – emozolyak | ||
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- | ====== Read-on demand registers ====== | + | {{ :: |
+ | ====== Read on demand registers ====== | ||
- | Each remote | + | Most of remote |
- | E.g. temperature | + | For example |
- | {{ :: | + | So when you add many such controllers with all registers to the WebHMI project, it will communicate 90% of time in vain, and only 5-10% to read important data. |
- | So when you add many such controllers with all registers to the WebHMI project, it will communicate 90% of time in vain, and only 10% to read important data. | + | To avoid this situation, there is a special attribute for the registers which marks them as "Read on-demand" |
- | + | ||
- | To avoid this situation, there is a special attribute for the registers which marks them as "Read on-demand" | + | |
Tip: Group all read-on demand registers in one or two ' | Tip: Group all read-on demand registers in one or two ' | ||
- | viewed via Analytics | + | viewed via Analytics |
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+ | To set any register into this mode select "On demand" | ||
+ | To activate reading such register either click on (R) icon in register list or go to **Analytics -> Raw values** page, select needed connection and registers category and click "Read on-demand registers" | ||
+ | |||
+ | Once activated this register will be read for 60 seconds in every scan. And then it will be deactivated again. |
on-demand_registers.txt · Last modified: 2022/01/15 08:12 by 127.0.0.1