5.19.5 Operand On Hysteresis
Record is generated when actual value input inceases from lower than low value to higher
than high level value or decreasing from higher than high level to lower than low level.
5.19.6 Operand On Change
Record is generated when value changes.
5.19.7 Operand On Delta Change
Record is generated when value changes and absolute value of last value minus actual
input value becomes equal or higher than high level value.
Current value != last value
5.19.8 Avg const (Averaging parameter description)
If avg const value is 10, new value must be present for 1 second to register change to
new value. Internally sampling is done every 40ms, so 25 samples are taken in second. To
Figure 56 Hysteresis operand logic
Figure 57 On change operand logic
|Last value - Current value|
>=
High level
Figure 58 On Delta Change operand logic
Generate record
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