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469 MOTOR MANAGEMENT RELAY – QUICK REFERENCE GUIDE
QUICK REFERENCE GUIDE
• Relay date and time.
• Present blocking conditions.
• General system status indication including the status of output relays, active
pickup, alarm and trip conditions.
2.
Metering Data
:
• Instantaneous current measurements including phase, differential, unbalance,
ground, average, motor load, and differential currents.
• RTD Temperatures including hottest stator RTD.
• Instantaneous phase to phase and phase to ground voltages (depending on the VT
connections), average voltage, and system frequency.
• Motor Speed
• Power Quantities including Apparent, Real and Reactive Power.
• Current and power demand including peak values.
• Analog inputs
• Vector information.
3.
Motor Learned Data
:
• Learned Acceleration Time
• Learned Starting Current
• Learned Starting Capacity
• Last Acceleration Time
• Last Starting Current
• Last Starting Capacity
• Average Motor Load Learned
4.
Maintenance data
. This is useful statistical information that may be used for
preventive maintenance. It includes:
• Trip counters
• General counter such as Number of Motor Starts, Number of Emergency Restarts,
Number of Starter Operations, Digital Counter for other purposes not listed above.
• Timers such as Motor Running Hours, Time Between Starts Timer, and five Start
Timers used to calculate the average start time of the motor.
5.
RTD Learned Data
, which includes the maximum temperature measured by each of
the 12 RTDs.
6.
Event recorder downloading tool.
7.
Product information including model number, firmware version, additional product
information, and calibration dates.
8.
Oscillography and data logger downloading tool.
Selecting an actual values window also opens the actual values tree from the
corresponding device in the site list and highlights the current location in the hierarchy.
For complete details on actual values, refer to Chapter 6 of the 469 Instruction Manual.
