Siemens 9810 Series, User Manual, Page: 158 / 218

Logging
Parameter Description
kWh del int Interval kWh delivered
kWh rec int Interval kWh received
kVARh del int Interval kVARh delivered
kVARh rec int Interval kVARh received
Historic data logs
Three historic data logs are used to record standard power system quantities,
such as phase current, phase voltage and power factor. These logs are labeled
Hist Mean Log, Hist High Log, and Hist Low Log. Factory settings for these data
recorders:
• Log depth = 3360 records (35 days)
• Interval = 900 seconds (15 minutes)
By default, they log the following values:
Hist Mean Log (Data Rec 2)
Vll ab mean V unbal mean I avg mean kVA tot mean
Vll bc mean Ia mean I 4 mean PF lag mean
Vll ca mean Ib mean kW tot mean PF lead mean
Vll avg mean Ic mean kVAR tot mean Freq mean
Hist High Log (Data Rec 3)
Vll ab high V unbal high I avg high kVA tot high
Vll bc high Ia high I 4 high PF lag high
Vll ca high Ib high kW tot high PF lead high
Vll avg high Ic high kVAR tot high Freq high
Hist Low Log (Data Rec 4)
Vll ab low V unbal low I avg low kVA tot low
Vll bc low Ia low I 4 low PF lag low
Vll ca low Ib low kW tot low PF lead low
Vll avg low Ic low kVAR tot low Freq low
Loss log
The Loss Log (Data Rec 9) is configured to record loss values. Factory settings for
this data recorder:
• Log depth = 3360 records (35 days)
• Interval = 900 seconds (15 minutes)
By default, it logs the following values:
Parameter Description
MU Ia^2h int Phase A interval current squared hours
MU Ib^2h int Phase B interval current squared hours
MU Ic^2h int Phase C interval current squared hours
MU Vllab^2h int Phase A interval voltage Line-to-Line squared hours
MU Vllbc^2h int Phase B interval voltage Line-to-Line squared hours
MU Vllca^2h int Phase C interval voltage Line-to-Line squared hours
158 7EN05-0390-00