Installation And Electrical Connections - Parker Lucifer EPP4 P4BG4 Series Installation And Setting Instructions Manual

Bulletin 408038
EPP4 Pressure regulator

INSTALLATION AND ELECTRICAL CONNECTIONS

INSTALLATION
Before connecting the regulator EPP4, pay attention to the following
instructions:

Connect the regulator as close as possible to the apparatus
which will be regulated (resulting in higher precision and shorter
response times);

Piping section of pressure supply should be sufficiently large;

Connect the air filter (50µ, Dew point 2°C) upstream from the
regulator, and a lubrificator if necessary, downstream;

It is recommended to mount the regulator in a vertical position,
electronic on top.

Set up the inlet pressure (max.12 bar).
Connect the regulator to the pneumatic network.
Connect the pressure supply on the inlet port P and the regulation
circuit with the outlet port A.
maxi) or non lubricated air and neutral gas
Fluid: lubricated (1 gr/m
3
It is recommended to use a silencer in the exhaust R.
ELECTRICAL CONNECTIONS
Power supply
DC – Supply 24 V  15 %
In case of rectified voltage supply
(from AC to DC) the residual ripple
should be smaller than 1V
V
27.6
24
20.4
Electrical connection diagrams
Disconnect the installation prior to any intervention
on the electrical supply cable. Do not invert polarity.
The male connector adopted on the EPP4 is a standard 4 pole-
M12, without the pin number 4:
The female connector to mount is the 4 pole M12 connector (IEC
61076-2-101 model LF) where the pin number 4 is not connected:
NB : Example : PARKER ref.: P8L-MC04A2A-M12
EPP4 SETTING INSTRUCTIONS
The EPP4 regulators are fully adjusted and quality controlled at the
factory to obtain standard specifications.
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 1,6mA / 1 bar)
0.0
V
4.0
mA
0.0
bar
REGULATION
Hysteresis:
50mbar. 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.
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 security reasons, it is recommended to reset the control signal
at 0 bar before re-connecting the supply voltage (24VDC).
4
Installation and setting instructions
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Parker Hannifin Manufacturing Switzerland SA
Fluid Control Division Europe
CH-1227 Carouge-Genève
Part No 496210
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