App-10
IM 04L51B01-17EN
WT500
Data group name Data name Description WT Function
mark
Off - Data assignment is disabled. –
ELEMENT to ELEMENT3 URMS True rms voltage Urms
UMN Rectified mean voltage calibrated to
the rms value
Umn
UDC Simple voltage average Udc
URMN Rectified mean voltage Urmn
UAC AC component Uac
IRMS True rms current Irms
IMN Rectified mean current calibrated to
the rms value
Imn
IDC Simple current average Idc
IRMN Rectified mean current Irmn
IAC AC component Iac
P Active power P
S Apparent power S
Q Reactive power Q
LAMBda Power factor λ
PHI Phase difference φ
FU Voltage frequency fU
FI Current frequency fI
UPPeak Maximum voltage U+pk
UMPeak Minimum voltage U-pk
IPPeak Maximum current I+pk
IMPeak Minimum current I-pk
CFU Voltage crest factor CfU
CFI Current crest factor CfI
TIME Integration time Time
WH Sum of positive and negative watt
hours
WP
WHP Sum of positive P (consumed watt
hours)
WP+
WHM Sum of negative P (watt hours
returned to the power supply)
WP-
AH Sum of positive and negative
ampere hours
q
AHP Sum of positive I (ampere hours) q+
AHM Sum of negative I (ampere hours) q-
WS Volt-ampere hours WS
WQ Var hours WQ
ElemHrm1 to ElemHrm3 UK_0 Rms voltage of harmonic order 0 U(0)
UK_1 Rms voltage of harmonic order 1 U(1)
UK_T Rms voltage U(Total)
IK_0 Rms current of harmonic order 0 I(0)
IK_1 Rms current of harmonic order 1 I(1)
IK_T Rms current I(Total)
PK_0 Active power of harmonic order 0 P(0)
PK_1 Active power of harmonic order 1 P(1)
PK_T Active power P(Total)
SK_0 Apparent power of harmonic order
0
S(0)
SK_1 Apparent power of harmonic order
1
S(1)
SK_T Total apparent power S(Total)
QK_0 Reactive power of harmonic order 0 Q(0)
QK_1 Reactive power of harmonic order 1 Q(1)
QK_T Total reactive power Q(Total)
LAMBDA0 Power factor of harmonic order 0 λ (0)
LAMBDA1 Power factor of harmonic order 1 λ (1)
LAMBDAT Total power factor λ (Total)
PHIK_1 Phase difference between the
voltage and current of harmonic
order 1
φ (1)
PHIK_T Total phase difference φ (Total)
Continued on next page
Appendix 6 Data Group Name and Data Name for WT Communication
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