Simplified Threshold Settings; Overview - Omron K7DD User Manual

4 K7DD Function
4-3

Simplified Threshold Settings

4-3-1

Overview

In order to detect a deterioration error that always appears, the simplified threshold setting function
automatically selects feature values and sets thresholds based on the data from the teaching
performed until an error actually occurs.
Power lines of user
application
 Parameters Related to the Simplified Threshold Setting Function
Feature Calculation Cycle...This is a parameter that must be set to an appropriate value depending on
the device operation.
Alarm Threshold Calculation Sensitivity...This parameter is used to calculate the threshold.
4 - 4
Feature
measurement
Data
Teaching
conversion
Average normal value
R.M.S.
voltage
Max. error value
Voltage
Voltage
Average normal value
fundamental
Max. error value
amplitude
Feature
calculation
cycle
Average normal value
R.M.S.
current
Max. error value
Current
Current
Average normal value
fundamental
Max. error value
amplitude
Average normal value
Active power
Max. error value
Simplified threshold setting function
Automatic
Automatic threshold setting
selection
Critical/Warning
Enabled
threshold
calculation
Threshold is
Disabled
set to the
max. value.
Critical/Warning
Enabled threshold
calculation
Threshold is
Disabled
set to the
max. value.
Threshold is
Disabled
set to the
max. value.
Power Line Data Generator User's Manual (N233)
Adjustment
Level
parameter
R.M.S.
Alarm threshold
× calculation Voltage
sensitivity (80%)
Critical/
Warning
Threshold
is updated.
R.M.S.
Alarm threshold
× calculation Current
sensitivity (80%)
Critical/
Warning
Threshold
is updated.