F&F EPP-618 Manual de usuario
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EPP-618
Electronic current
relay
The EPP-618 is a current relay designed to control the values of
the current flowing in the measured circuit with contact swit-
ching feature in the event of exceeding the current value above
and below the set threshold values. The digital display allows
the user to read the current value in the measured circuit on an
ongoing basis and precisely program the values of parameters
according to which it will operate.
The relay is designed to work with a 5 A secondary current trans-
former or without a transformer, in which case its maximum
current is 50 A.
The relay operates according to one of four operating functions:
FI, F2, F3, and F4.
Purpose
Functioning
F&F Filipowski sp. j.
Konstantynowska 79/81, 95-200 Pabianice, POLAND
phone/fax (+48 42) 215 23 83 / (+48 42) 227 09 71
www.fif.com.pl; e-mail: biuro@fif.com.pl
Do not dispose of this device in the trash along with other waste! According
to the Law on Waste, electro coming from households free of chage and
can give any amount to up to that end point of collec� on, as well as to sto-
re the occasion of the purchase of new equipment (in accordance with the
principle of old-for-new, regardless of brand). Electro thrown in the trash or
abandoned in nature, pose a threat to the environment and human health.
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Function F1
If the current in the measuring circuit exceeds the "Hi" setpoint,
the relay contacts 7-8 will close and the contacts 9-10 open.
If the current in the measuring circuit is below the set value mi-
nus the hysteresis value, the relay contacts will return to their
original position.
The moment of switching on and off the relay can be additionally
adjusted in the range of 0.5÷10 s.
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Function F2
After the current falls below the "Lo" set value, the relay con-
tacts 7-8 will close and the contacts 9-10 will open.
If the current in the measuring circuit is above the set value plus
the hysteresis value, the relay contacts will return to their origi-
nal position.
The moment of switching on and off the relay can be additionally
adjusted in the range of 0.5÷10 s.
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Function F3
If the current in the measuring circuit exceeds the Hi setpoint,
the relay contacts 7-8 will close and the contacts 9-10 open. The
relay contacts in this function will only return to their original
position if the current value is lower than Lo.
In this function, the current settings are not adjusted by the hy-
steresis value.
The moment of switching on and off the relay can be additionally
adjusted in the range of 0.5÷10 s.
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Function F4
In this function, the relay operates in the so called "measuring
window".
The relay will be switched on if the current in the measuring cir-
cuit is higher than the Hi setpoint. The relay contacts will return
to their original position if the current drops below the setpoint
minus the hysteresis value. But the relay will also be switched on
if the current value is below the Lo setpoint.
In this case, the relay will be switched off if the current value in
the measuring circuit increases above the Lo setpoint plus the
hysteresis value.
The moment of switching on and off can be additionally adjusted
with the tON or tOFF time setting.
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1.Press and hold the button for approximately 5 s.
2.The display will show the currently saved ratio value; the fac-
tory setting is 1, or 5/5.
3.Press +or –buttons to set the desired value, for example for
100/5 transformer you need to set 20.
4.Press the button briefly. The value of the ratio will be
saved in memory and the relay will automatically exit the pro-
gramming function.
Display panel
Programming the ratio value
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1.Press and hold the +button for approximately 5 s.
2.The display will show the currently set operating function; fac-
tory default is .
3.If the function is not changed, confirm with the button.
4.If the function is to be changed, use the +or –buttons to set
the given function and confirm it with the button.
5.Then, depending on which function has been selected, set the
value of Hi or Lo current, and each confirming the value with
the button.
6.Next, set the the tON and tOFF values, also confirming each set-
ting with the button.
7.After saving the last value the relay will automatically exit the
function setting mode.
Programming the operating function
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Direct mode
Connection diagram
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Measurement with a transformer
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power supply 195÷253 V AC
contact separated 1×NO, 1×NC
maximum load current (AC-1) 2×8 A
adjustment range for direct measurement 0.5÷50 A
range of ratio settings 1÷999
switch-on time settings range 0.5÷60 s
switch-off time settings range 0.5÷60 s
constant hysteresis 10%
measurement error <3%
diameter of the pass-through duct ø4 mm
power consumption 4 W
working temperature -25÷50°C
terminal 2.5 mm² screw terminals
tightening torque 0.4 Nm
dimensions 3 modules (51 mm)
mounting on TH-35 rail
protection level IP20
Technical data
Tabla de contenidos
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