10.2.6.1 VMHAI Input signals
Table 705: VMHAI Input signals
Name Type Default Description
U_A_AB SIGNAL 0 Phase-to-earth volt-
age A or phase-to-
phase voltage AB
U_B_BC SIGNAL 0 Phase-to-earth volt-
age B or phase-to-
phase voltage BC
U_C_CA SIGNAL 0 Phase-to-earth volt-
age C or phase-to-
phase voltage CA
BLOCK BOOLEAN 0=False Block signal for all bi-
nary outputs
10.2.6.2 VMHAI Output signals
Table 706: VMHAI Output signals
Name Type Description
ALARM BOOLEAN Alarm signal for THD
10.2.7 Settings
10.2.7.1 VMHAI Non group settings (Basic)
Table 707: VMHAI Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Demand interval
0=1 minute
1=5 minutes
2=10 minutes
3=15 minutes
4=30 minutes
5=60 minutes
6=180 minutes
2=10 minutes Time interval for
demand calculation
Demand window
1=Sliding
2=Non-sliding
1=Sliding Demand calculation
window type
THD alarm limit 1.0...100.0 % 0.1 50.0 THD alarm limit
Power quality measurement functions 1MRS758755 C
706 REC615 & RER615
Technical Manual
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