Parker Lucifer EPP4 Einbau Und Einstellanleitung Seite 6

Bulletin 408193 R03 13.06.2016
EPP4 Pressure Regulator
0-10bar
0-10V or
0-20bar
4-20mA
0-10V
0-20bar
Control signal:
0 to 10 Volt or 4 to 20mA corresponding to an output pressure range of, for example, 0 to 10 bar.
(1V / 1 bar or 5,6mA / 1 bar)
REGULATION
Hysteresis: This value is adjusted in order to obtain an inaudible correction of the two 2-way solenoid pilots when
there is no change of the control signal.
P4C.61.. < 100 mBar
P4C.91.. < 100 mBar
P4C.41.. < 200 mBar
P4C.42.. < 200 mBar
P4C.62.. < 200 mBar
Forced exhaust:
The EPP4 regulator is equipped with an electronic safety circuit which automatically drops the output pressure at 0 bar
when the control signal is below 50 mV or 4.1 mA.
For safety reasons, it is recommended to reset the control signal at 0 bar before re-connecting the supply voltage
(24VDC).
MAINTENANCE
The EPP4 does not require any maintenance. However the quality of used air should be checked periodically.
Use current product to clean EPP4.
TROUBLE SHOOTING
Without removing the EPP top cap:
Record : - EPP type
- Manufacturing date
- Input pressure
Check : - Ports thread (P, A, R) quality
- Correct contact plastic cover / regulator body
- Correct pins level / position in the M12 plug
- Pilot exhaust orifice
TROUBLE SHOOTING
Problem
Unexpected behaviour
For other problems
Specific Oxygen version ref P4CG.... Reminder on the oxygen use
This oxygen version reference is designed and assembled taking into account the general rules, the state of
the art, to be applied on components that will be used with oxygen for industrial applications.
This version is using only oxygen compatible materials, but the material type is not the only factor in a typical
self ignition process. Flow speed for example, is a very important factor, and should be limited to 25 m/sec in
the whole application (attention to valve restriction).
Instructions de Montage, Mise en Service & Maintenance
0-20bar
negative 1 bar
4-20mA
Procedure
Basic electrical controls See paragraph Electrical connections
Basic pneumatic controls See paragraph Port connections
Shut down 24 VDC. Wait 10 sec. Turn on 24VDC
Check the PLC signal
Contact your agent.
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1 bar 0 0
Parker Hannifin Manufacturing Switzerland SA
Fluid Control Division Europe
CH-1227 Carouge-Genève
Part Mo. 496783
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