Operation; Operating Controls - Samson 3730-0 Mounting And Operating Instructions

6 Operation

6.1 Operating controls

DIP switches S1 to S10
The positioner is mainly operated using the
DIP switches, which allow you to set the most
important functions.
DIP switches and their functions
S1 Fail-safe action of the actuator
S2/S3
Rated travel of the control valve
S4 Direction of action w/x
S5 Limit output signal pressure to 2.4
bar
S6 Change gain factor
S7/S8
Set range of reference variable
S9/S10
Activate tight-closing function
DIP switches
ZERO
adjuster
Fig. 14: Operating controls
EB 8384-0 EN
SPAN adjuster
ZERO and SPAN adjusters
The ZERO and SPAN potentiometers are
used to adjust the starting point (zero) and
the upper range value (span) of the refer-
ence variable.
Volume restriction Q
The volume restriction serves to adapt the air
output capacity to the size of the actuator.
Depending on the air passage at the actua-
tor, two fixed settings are available.
Actuator symbols for right attachment
Actuator symbols for left attachment
Operation
Volume
restriction
39