Samson 3730-3 User Manual

EB 8384-3 EN 91
Operation
Readings
Icons assigned to certain codes, parameters
and functions are indicated on the display.
Operating modes:
−
(manual mode)
The positioner follows the manual set
point(Code1)insteadofthemAsignal.
blinks: The positioner is not initialized.
Operation only possible over manual set
point (Code 1).
−
(automatic mode)
The positioner is in closed-loop operation
and follows the mA signal.
− S SAFE
The positioner vents the output. The valve
moves to the mechanical fail-safe posi-
tion.
Bar graph:
In manual
and automatic modes, the
bars indicate the set point deviation that de-
pendsonthesign(+/–)andthevalue.One
barelementappearsper1%setpointdevi-
ation.
If the positioner has not been initialized, (
blinks on the display), the bar graph indi-
cates the lever position in degrees in relation
to the mid-axis. One bar element corre-
sponds to approximately a 5° angle of rota-
tion.Thefthbarelementblinks(reading>
30°) if the permissible angle of rotation has
been exceeded. Lever and pin position must
be checked.
Status messages
−
Maintenance alarm
−
Maintenancedemanded/Mainte-
nance required
−
blinks:Outofspecication
These icons indicate that an error has oc-
curred.
Aclassiedstatuscanbeassignedtoeach
error.Classicationsinclude“Nomessage”,
“Maintenancerequired”,“Maintenancede-
manded”and“Maintenancealarm“(see
uEB8389onEXPERTplusvalvediagnos-
tics).
Enable conguration
This indicates that the codes marked with an
asterisk (*) in the code list are enabled for
conguration(seesection11.4).
6.1 Serial interface
The positioner must be supplied with at least
4mA.
The positioner can be connected directly to
the computer over the local serial interface
and the serial interface adapter.
TheoperatorsoftwareisTROVIS-VIEWwith
installed device module 3730-3.

Samson 3730-3 Specifications

General

Brand	Samson
Model	3730-3
Category	Valve Positioners
Language	English