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+--- Thread: Modbus value_delta (/showthread.php?tid=5480)
Modbus value_delta - alb-smith - 21.06.2024
We believe we have a problem related to the "value_delta" parameter when reading modbus registers.
Is this coefficient evaluated after the multiplication factor?
For example, if I read a power value in W and convert it to kW with a "value_multiplier" of 0.001, is the default/minimum factor 0.2 applied to the kW value? In this case the minimum value of 0.2 may be too large.
Thanks
RE: Modbus value_delta - admin - 21.06.2024
Delta check happens after all calculations are done. The difference between the current object value and the new value is checked.
RE: Modbus value_delta - alb-smith - 21.06.2024
Ok, but if I enter a "value_delta" value less than 0.2 in the modbus profile, which one will be used?
Thaks
RE: Modbus value_delta - admin - 21.06.2024
Right now it cannot be set lower than 0.2. This will be changed in the next version. We'll publish an updated Modbus package once it's ready.
RE: Modbus value_delta - Daniel - 24.06.2024
Install updated Package via System config-System-Package
https://dl.openrb.com/pkg/genohm-scada-modbus_20240621_imx6.ipk
https://dl.openrb.com/pkg/genohm-scada-modbus_20240621_imx6.sig
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