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Normal Source
Vab=480V....................ABC
Vbc=480V.........Vunbal=1%
Vca=480V................60.0Hz
P1..................Engine.Exerciser
Enable:.....Yes....WLoad:....Yes
Start:19h30. ALL MON
Run.Time:...............2h15min
16.AUG02/95..........13h10:17
Eng.Start...............NormFail.
15.AUG02/95...........13h10:25
Xfer.N>E................................
Normal OK
TD.Engine.Cooldown:
4min15s
Normal OK
Load on Normal
Normal Voltage
Dropout.............85%.408V
Pickup...............90%.432V
O.V. Trip.........110%.528V
Displays voltage for each phase, frequency,
phase rotation and voltage unbalance for both
normal and emergency sources.
Provides voltage and frequency setting values for
normal and emergency sources. Voltage pick-up,
dropout and trip settings are set in percentage of nominal
voltage and are also displayed in rms voltage values.
Seven independent programs, load/no load
selection, flexible run times and daily, weekly,
bi-weekly and monthly exercise routines.
Active time delay status displays time
remaining until next control event.
TD N>E Xfer Signal
Bypass if N Fail: No
Pre Xfer: 0 min 20S
Post Xfer: 0 min 20S
Provides direct reading display for setting time delays.
Displays system status in clear, concise language.
Message shown indicates normal source is acceptable
and the load is connected to the normal source.
Displays detailed information for last 99 events,
including time of occurrence, length of event,
date and reason for event.
ATS Statistics
ATS Total Xfers: 46
SRC Fail Tot Xfers: 20
Days Energized: 36.5
Instant availability of statistical information on total number of
ATS transfers, number of transfers caused by power failures
and total days controller has been energized, plus more.
Page 13
Source Status
Time Delay Status
Voltage and Frequency Settings
Time Delay Settings
Engine Exerciser
Historical Event Log
System Status
ATS Statistics
Emerg OK
Waiting for In-Sync
-45o 0.02Hz
Displays the relative phase angle between
sources and frequency differential to indicate
the controller is awaiting an inphase condition.
Shed Load
Direction: From E
Inphase: No TD/0.25
Standard features can be activated with the keypad. As an
example, when enabled, the “shed load” option causes the
transfer switch to transfer the load off of the specified source.
If desired, the load shed transfer can be made inphase.
Inphase Transfer Mode
Feature Settings
Status
Settings
Data Logging
7000 Series Transfer Control Center Screens
ASCO