Samson 3730-0 - Operation; DIP Switches S1 to S10; ZERO and SPAN Adjusters

EB 8384-0 EN 53
Operation
6 Operation
Actuator symbols for right attachment
Actuator symbols for left attachmentSpan adjuster
Zero adjuster
DIP
switches
Volume
restriction
Fig.18: Operating controls of Type3730-0 Positioner
DIP switches S1 to S10
The positioner is mainly operated via the DIP
switches, which allow you to set the most im-
portant functions.
DIP switches and their functions
S1 Actuator fail-safe action
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 set point
S9/S10 Activate tight-closing function
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 set point.
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xedsettingsareavailable.