ABB OMD800 - Page 45

45
AUTOMATIC CONTROL UNIT, OMD800
AUTOMATIC CONTROL UNIT, OMD800
Frequency Hysteresis
User can set separately Line 1 and Line 2 frequency hysteresis both minimum and maximum values.
Factory settings are min -0.8 % and max 0.8 %.
Figure 7.37 Frequency Hysteresis (min and max) settings for Line 1 and Line 2
Device Configuration
Voltage Hysteresis
Frequency Tresholds
Frequency Hysteresis
6/12
A07169
Frequency Hysteresis
Freq Hysteresis Min LN1
Freq Hysteresis Min LN2
Freq Hysteresis Max LN1
1/4
A07170
Frequency Hysteresis
Freq Hysteresis Min LN2
Freq Hysteresis Max LN1
Freq Hysteresis Max LN2
4/4
A07176
Frequency Hysteresis
Freq Hysteresis Min LN1
Freq Hysteresis Min LN2
Freq Hysteresis Max LN1
1/4
A07170
Freq Hysteresis Min LN1
–0.8 %
A07171
Cancel EditOK
Frequency Hysteresis
Freq Hysteresis Min LN1
Freq Hysteresis Min LN2
Freq Hysteresis Max LN1
3/4
A07174
Freq Hysteresis Max LN1
+0.8 %
A07175
Cancel EditOK
Figure 7.38 Frequency Hysteresis LN1, factory settings: min -0.8 %, max 0.8 %
Figure 7.39 Interaction of the parameters Frequency Threshold and Frequency Hysteresis
Freq Threshold Max
Freq Hysteresis Max
Freq Hysteresis Min
Freq Threshold Min
+/%
-/%
Line ok Line not ok
A07293