A–4 PQM POWER QUALITY METER – INSTRUCTION MANUAL
EVENT RECORDER APPENDIX A: APPLICATION NOTES
• Voltage Unbalance Alarm
• Voltage Unbalance Alarm Clear
• Up to 40 events can be stored in non-volatile memory for retrieval and review. The
Event Recorder can be enabled, disabled, or cleared via the keypad or serial port.
The following data is saved when an event occurs:
• Analog Input (high)
• Analog Input (low)
• Date - Month/Day
• Date - Year
• Event Cause
•Event Number
•Frequency
• I Unbalance
•Ia
•Ia Demand
•Ia THD
•Ib
•Ib Demand
•Ib THD
•Ic
• Ic Demand
•Ic THD
•In
• In Demand
•In THD
• Internal Fault Error Code
• kVAh (high)
•kVAh (low)
• Negative kvarh (high)
•Negative kvarh (low)
•Negative kWh (low)
• Negative kWh (high)
•P3 (high)
•P3 (low)
• P3 Demand (high)
•P3 Demand (low)
•Pa (high)
•Pa (low)
•Pb (high)
•Pb (low)
•Pc (high)
Courtesy of NationalSwitchgear.com
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