ABB REF615 G - Function Block

8.1.4.2 Function block
A070777 V2 EN
Figure 345: Function block
8.1.4.3 Signals
Table 535: CMMXU Input signals
Name Type Default Description
I_A SIGNAL 0 Phase A current
I_B SIGNAL 0 Phase B current
I_C SIGNAL 0 Phase C current
BLOCK BOOLEAN 0=False Block signal for all binary outputs
Table 536: CMMXU Output signals
Name
Type Description
HIGH_ALARM BOOLEAN High alarm
HIGH_WARN BOOLEAN High warning
LOW_WARN BOOLEAN Low warning
LOW_ALARM BOOLEAN Low alarm
8.1.4.4 Settings
Table 537: CMMXU Non group settings
Parameter
Values (Range) Unit Step Default Description
Operation 1=on
5=off
1=on Operation Off / On
Measurement mode 1=RMS
2=DFT
2=DFT Selects used measurement mode
Num of phases 1=1 out of 3
2=2 out of 3
3=3 out of 3
1=1 out of 3 Number of phases required by limit
supervision
A high high limit 0.00...40.00 xIn 1.40 High alarm current limit
A high limit 0.00...40.00 xIn 1.20 High warning current limit
A low limit 0.00...40.00 xIn 0.00 Low warning current limit
A low low limit 0.00...40.00 xIn 0.00 Low alarm current limit
A deadband 100...100000 2500 Deadband configuration value for
integral calculation. (percentage of
difference between min and max as
0,001 % s)
Section 8 1YHT530004D05 D
Measurement functions
634 615 series
Technical Manual