Samson 3767, Перевод оригинальной инструкции

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5-14 EB 8355-2 EN
Installation
while making sure that the value on the
scale matches the valve's direction of ro-
tation.
Securing the aligned cam disk
To prevent the cam disk from turning, drill a
hole into the adapter (4) or coupling (11) to
allow a 2 mm dowel pin to be inserted.
Select one of the four holes located around
the center hole of the cam disk to secure the
cam disk in position.
Double-acting, springless rotary actuator with reversing amplifier
Linear cam disk (equal percentage cam disk is represented by a broken and dotted line)
View from the positioner onto the actuator shaft
Control valve opens counterclockwise – Based on a closed valve
Operating direction increasing/increasing >> Operating direction increasing/decreasing <>
Set point Signal pressure Valve
Charac-
teristic
increases
A1 increases, A2
decreases
opens
N
Set point Signal pressure Valve
Charac-
teristic
decreases
A1 increases, A2
decreases
opens
I
90˚
60˚
30˚
0˚
90˚
60˚
30˚
0˚
Feeler roll
Starting point N
Starting point I
Hole to secure the cam disk
Insert clip and press the flaps
outwards
View from the positioner onto the actuator shaft
Control valve opens counterclockwise – Based on a closed valve
Operating direction increasing/increasing >> Operating direction increasing/decreasing <>
Set point Signal pressure Valve
Charac-
teristic
increases
A1 increases, A2
decreases
opens
N
Set point Signal pressure Valve
Charac-
teristic
decreases
A1 increases, A2
decreases
opens
I
0˚
90˚
60˚
30˚
0˚
90˚
60˚
30˚
Feeler roll
Starting point N
Starting point I
Fig. 5-9: Cam disk settings for double-acting actuators