20
Fluid installation
Type 8692, 8693
procedure:
→
Connect the control medium to the pilot air port (1)
(3 – 7 bar; instrument air, free of oil, water and dust).
→
Attach the exhaust air line or a silencer to the exhaust air port (3)
and, if available to the exhaust air port (3.1) (see “Fig. 11”).
Pilot air port
(label: 1)
Exhaust air port
(label: 3)
Additional exhaust
air port
(label: 3.1)
only for Type 23xx and 2103
with pilot-operated control system
for high air output (actuator size ø 125 / 130)
Fig. 11: Pneumatic connection
Caution:
(Exhaust air concept)
:
In compliance with protection
class IP67, an exhaust air line must be installed in the dry area.
Keep the adjacent supply pressure
always
at least 0.5 – 1
bar above the pressure which is required to move the actuator
to its end position. This ensures that the control behavior is
not extremely negatively affected in the upper stroke range on
account of too little pressure difference.
During operation keep the fluctuations of the pressure supply
as low as possible (max. ±10 %). If fluctuations are greater,
the control parameters measured with the
X.TUNE
function
are not optimum.
english
Summary of Contents for 8692
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