Rockwell Automation Publication 1426-UM001J-EN-P - August 2019 155
Logging Chapter 6
Load Factor Log
The PowerMonitor 5000 unit maintains a 12-month record of real, reactive, and
apparent demand and load factor. Load factor is defined as average demand
divided by peak demand and is a measure of load variability.
Load Factor Log Results
Load factor log records can be retrieved from the PowerMonitor 5000 web page
or FTP server. The power monitor generates the log file at the time of the
request. Records can also be retrieved individually or sequentially by using the
data table interface.
File Name
The log file is named Load_Factor_Log.csv.
Logged Parameters
The load factor log consists of 14 records. The first is a header naming the logged
parameters. The second is an active record for the current month. The remaining
records are static and store data for each of the previous 12 months. The monthly
records operate in a circular, or FIFO fashion. On a user-selected day each
month, the current record is pushed into the stack of monthly records and, if the
stack is full, the oldest is deleted. Each record is a structure of REAL elements
containing the following parameters:
•LoadFactor_Record_Number
• LoadFactor_End_Date
•LoadFactor_Elapsed_Time
•Peak_Demand _kW
•Average_Demand_kW
•LoadFactor_kW
•Peak_Demand_kVAR
•Average_Demand_kVAR
•LoadFactor_kVAR
•Peak_Demand_kVA
•Average_Demand_kVA
•LoadFactor_kVA
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