GE 469

4–42 469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 4: INTERFACES
4.6.4 Trending (Data Logger)
The trending or data logger feature is used to sample and record up to eight actual values
at an interval defined by the user. Several parameters can be trended and graphed at
sampling periods ranging from 1 second up to 1 hour. The parameters which can be
trended by the EnerVista 469 Setup software are:
• Currents/Voltages:
Phase Currents A, B, and C, and Average Phase Current
Motor Load
Current Unbalance
Ground Current
Differential Currents A, B, and C
System Frequency
Voltages Vab, Vbc, Vca Van, Vbn & Vcn
• Power:
Power Factor
Real (kW or hp) Reactive (kvar), and Apparent (kVA) Power
Positive Watthours
Positive and Negative Varhours
Torque
• Temperature:
Hottest Stator RTD
Thermal Capacity Used
RTDs 1 through 12
• Demand:
Current
Peak Current
Reactive Power
Peak Reactive Power
Apparent Power
Peak Apparent Power
• Others:
Analog Inputs 1, 2, 3, and 4
Tachometer