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COSFI100V Datasheet(PDF) 1 Page - ZIEHL industrie-elektronik GmbH + Co KG

Part No. COSFI100V
Description  Active current with direction, over- and underload and cosϕ
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Maker  ZIEHL [ZIEHL industrie-elektronik GmbH + Co KG]
Homepage  https://www.ziehl.com
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COSFI100V Datasheet(HTML) 1 Page - ZIEHL industrie-elektronik GmbH + Co KG

   
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ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de
Phase Monitoring Type PS - Phase Asymmetry - Phase Sequence
2
Load and Current-Monitor COSFI100V
Active current with direction, over- and underload and cosj
Load monitors protect motors in
1- or 3-phase mains from over-
or underload. They are simply
switched into the supply-line of
the motor and monitor the phase
angle between voltage and cur-
rent and/or the true current.
The power factor cos fi has its
greatest alteration at small loads
atthemotor.Thereforemonitoring
this parameter is suitable to reco-
gnize underload.
Thecurrentofthemotorincreases
most at high loads. Provided
that the motor is not oversized,
the current is more suitable for
monitoring overload.
TheCOSFI100Vcanmonitorboth
values. It is even possible to mo-
nitor the power factor with alarm
1 for underload and protect the
drivefromoverloadbymonitoring
the current with alarm 2.
Thisallowsdetectionofabreaking
V-belt or clogging of a filter or a
valve. A local sensor near the
motor is not necessary.
As
monitor for current direction, value and direction
of active current in one phase is measured. Thus it
can be used for the direction dependent monitoring of
AC-current.
With its digital display and many setting options, it can
be individually adapted to the application.
Application cos φ / active current:
Monitoring of V-belt (slip and destruction)
Fan-monitoring
Pump-monitoring
Conveyor systems
Agitators
excessive wear
wear-out of tools
Protectionofmotors,drivesandplantsfromoverload
Application current direction:
Optimizing of own consumption of energy in pho-
tovoltaik plants.
Consumers can be switched on or off depending on
power available. By measuring current at the feed
point it can be detected, wheather there is enough
power available to start heat pumps, cooling units
or other consumers.
Warning or shut-down when a generator is consu-
ming energy instead of producing.
Function and features:
At an AC-motor (inductive load) the
phase of the current is retarded to the
voltage by the phase angle φ. With
decreasingload,thisangleincreases
and the cos φ decreases. Thus the
load at the shaft of the motor can be
measured.
The load monitor COSFI100V can
measure sinusoidal signals.
for networks AC and 3 AC
Digital display for cos φ and true
current
2 limits / alarms
min, max or min/max for each
alarm
Monitoring of 2 x cos φ, 2 x true
current or 1 x cos φ and 1 x true
current
Scaling of display (factor of
current-transformer)
Hysteresis and switching-
delay programmable
Auto-reset or interlocked
switching
Programmable attempts
(1…10) for restart
Auto-enable (current) or ex-
ternal signal
Start-up delay programmable
0…99 s
Current input max. 10A, more
with transformers
Detection of breaks
Input for PTC-thermistors
Housing for mounting in fuse-
boxes or switchboards
2016-07-15
COSFI 100V
Part number:
P222534


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