Process Control System

Commissioning
B7 – 3
r Use pump P to pump the water into the other substations so that
each station contains at least enough water to operate the lower
filling level sensor of the respective containers.
to flow control station
to temperature control station
to filling level
control station
h6
h5
h4
h3
h2
h1
At the same time, activate the hand valves h1 to h6, as described in
the table:
h1 h2 h3 h4 h5 h6 Temperature
control
station
Filling level of containers
Flow control
station
Filling level
station
closed open closed closed closed open
b
a
b
a
b
a
open closed closed closed closed open
b
a
closed closed closed open closed open
b
a
closed closed open closed closed open
b
a
r Open h b , close h6
Close h c , switch off pump
Open h a
r The use of distilled water ensures prolonged maintenance-free period
of operation of the system.
(proportional valve, pumps)
r Check that the line connections and tubing are leak-proof.
r Switch on the DC control voltage.
r To vent the pumps, these may have to be switched on and off several
times.
Festo Didactic • Process Control System