Jesco FEDOS E 5, Operating Manual

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The dosing pump carries out a self-check which switches off the pump, if no stroke has been executed two
seconds after startup of the motor (e.g. in the case of excessively high backpressure) or if the stroke sensor
does not work (display E-2). The alarm is reset by pulling out the mains plug.
The functions of the LEDs and built-in fault signalling relay are shown in the following table:
Condition LED 1
ON
LED 2
Extern
LED
Alarm
Fault signalling
relay
Display
R0 RW R1
Voltage supply absent closed -
Dosing pump running

closed Number of
strokes
Dosing pump off (by ON/OFF switch) closed OFF
Dosing pump off (by external contact)

closed OFF
Low level alert

*) flashes closed Number of
strokes
Level main alarm

*)

closed E - L
Dosing pump fault (proximity switch,
stroke sensor)

*)

closed E - 2
Dosing pump fault (current < 4 mA)
 
closed E - I
*) LED 2 lights up in operating modes 1.1 - 1.64; 0…20 mA and 4… 20 mA
8.6 Other settings
8.6.1 Maximum number of strokes
The Mode and I/O keys are held depressed while applying the voltage and the maximum number of strokes
of the dosing pump is set with the keys
▼
and
▲
. When the "Mode" key is released, normal operation
starts.
8.6.2 Alarm relay
In the default setting the relay is without current in the case of error and OFF. If the keys "Mode" and
▲
are
held depressed while the voltage is applied (display RE0), the relay is without current in the case of error
and OFF, with the keys "Mode" and
▼
the relay picks up in the event of error (display RE1).
8.7 Factory setting
• The initial status of the FEDOS DX is "OFF".
• Depending on the technical specifications, the maximum stroke frequency is preset (see section 5).
• In case of a fault or "OFF", the fault signalling relay is not picked up.
8.8 Connections and cable assignments
Control unit FEDOS DX Standard version CSA version
l
L1 RUN Motor BR (brown) BK (black)
L2 STOP BK (black) RD (red)
N BU (blue) or GY (grey) WH (white)
PE GN/YE (green/yellow) GN/YE (green/yellow)
k
L Power supply
230 V AC, 50/60 Hz
or 120 V AC, 50/60 Hz BR (brown) BK (black)
N BU (blue) or GY (grey) WH (white)
PE GN/YE (green/yellow) GN/YE (green/yellow)
m
R0 Break contact Fault signalling
relay
(1.5 m cable)
R0 RW R1
Fault R0 RW R1
Operation
BR (brown) RD (red)
Rw Changeover
contact
BU (blue) or GY (grey) WH (white)
R1 Make contact BK (black) BK (black)
Operation | Operating Manual FEDOS E/DX |
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