Function block
CMMXU
I_A
A.phsA cVal.mag.f
A.phsC cVal.mag.f
A.phsC cVal.ang.f
A.phsA cVal.ang.f
A.phsB cVal.mag.f
A.phsB cVal.ang.f
I_B
I_C
GUID-14189B71-1C14-48B6-8E71-320B3109F8A3 V1 EN
Figure 38: Function block
Signals
Table 30: CMMXU Input signals
Name Type Default Description
I_A SIGNAL - Phase A current
I_B SIGNAL - Phase B current
I_C SIGNAL - Phase C current
Table 31: CMMXU Output signals
Name
Type Description
A.phsA cVal.mag.f REAL Current amplitude, for phase A
A.phsA cVal.ang.f REAL Current phase angle, for phase
A
A.phsB cVal.mag.f REAL Current amplitude, for phase B
A.phsB cVal.ang.f REAL Current phase angle, for phase
B
A.phsC cVal.mag.f REAL Current amplitude, for phase C
A.phsC cVal.ang.f REAL Current phase angle, for phase
C
Table 32: CMMXU Technical data
Characteristic
Value
Operation accuracy At frequency f = f
n
±5% or ±1 A in the range of 4...80 A
±1% in the range of 80...4800 A
±10% in the range of 4800...8000 A
Suppression of harmonics
RMS: No suppression
Three-phase voltage measurement VMMXU
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Three-phase voltage measurement VMMXU 3U 3U
1MRS757488 H Section 6
Commissioning
RIO600 73
Installation and Commissioning Manual