PMV EP5, Руководство пользователя, Страница: 9 / 32

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Manual P5/EP5 23740/98.10
5. Connections
Air connections are tapped for 1/4" G or NPT male connectors and are
clearly marked. Gauge ports are for 1/8" G or NPT.
We recommend use of tape, Loctite
® 577 or similar user preferred for
sealing.
Electrical connection on I/P unit accepts 1/2" NPT or PG 13,5 (M20)
cable gland.
Port I Input instrument pneumatic signal 20-100kPa (3-15 psi)
Port S Supply air, maximum 1 MPa (150 psi) Minimum 0,15
MPa (21 psi) for EP5
Port C1, C2 Actuator connections (0,2-1 MPa). C2 opening port.
OUT Exhaust air port. Do not block! Exhaust filter optional.
Port Ip Gauge port for pneumatic input signal.
Port I
E
Input electric signal (4-20 mA) (On the I/P unit.)
Port P Gauge port for I/P unit output pressure ( On the I/P unit)
Ports Ip, P, S, C1 and C2 are sealed with
plugs. To install gauges, unscrew plugs
and replace with gauges.
We recommend use of tape, Loctite
®
577
or similar user preferred for sealing.
Port OUT is for venting the unit. All air
from the positioner, actuator and
I/P unit is vented to atmosphere through
this port. Do not block this port. A high
flow silencer or an exhaust pipe can be
connected to this port to prevent foreign
objects from entering and blocking the
units exhaust. Connector in exhaust port
must not have less than 9 mm (3/8“)
orfice.
When using gases other than air for
supply – Please contact PMV.
On EP5 (P5 with I/P unit installed) I/P
unit is supplied with air from port S.
Port I is automaticly sealed off and
protected. No connection shall be made
to this port. See pages 13 and 14 for more
information.
For single acting operation plug port C1
for increasing signal to open valve. Plug
C2
for decreasing (reverse) signal to open
valve.