App-8
IM 04L51B01-17EN
Appendix 6 Data Group Name and Data Name for WT
Communication
The table below shows the parameters p5 (Data Group Name) and p6 (Data Name) for
SWattData Command.
Parameters p5 (Data Group Name) and p6 (Data Name) for SWattData Command
WT1800
p5 (Data group name) p6 (Data name) Description WT Function
mark
Off - Data assignment is disabled. -
ELEMENT1 to ELEMENT6 URMS True rms voltage Urms
UMN Rectified mean voltage calibrated to
the rms value
Umn
UDC Simple voltage average Udc
IRMS True rms current Irms
IMN Rectified mean current calibrated to
the rms value
Imn
IDC Simple current average Idc
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
TIME Integration time Time
WH sum of 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‒
ElemHrm1 to ElemHrm6 UK_1 RMS voltage of harmonic order 1 U(1)
UK_T Rms voltage U(Total)
IK_1 RMS current of harmonic order 1 I(1)
IK_T Rms current I(Total)
UTHD Ratio of the total harmonic voltage
to U(1) or U(Total)
Uthd
ITHD Ratio of the total harmonic current
to I(1) or I(Total)
Ithd
SigmaA to SigmaC URMS True rms voltage Urms Σ
1
UMN Rectified mean voltage calibrated to
the rms value
Umn Σ
IRMS True rms current Irms Σ
IMN Rectified mean current calibrated to
the rms value
Imn Σ
P Active power P Σ
S Apparent power S Σ
LAMBda Power factor λΣ
PHI Phase difference φΣ
WH Sum of positive and negative watt
hours
WP Σ
WHP Sum of positive P (consumed watt
hours)
WP+ Σ
WHM Sum of negative P (watt hours
returned to the power supply)
WP- Σ
AH Sum of positive and negative
ampere hours
q Σ
AHP Sum of positive I (ampere hours) q+ Σ
AHM Sum of negative I (ampere hours) q- Σ
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