Samson 3730-0 - Technical Data

18 EB 8384-0 EN
Design and principle of operation
3.5 Technical data
Table8: Type3730-0 Electropneumatic Positioner
Type3730-0Positioner: the technical data for the explosion-protected devices may be restricted by the
limits specied in the test certicates.
Rated travel Adjustable: DirectattachmenttoType3277:  5.3to30mm
 AttachmentaccordingtoIEC60534-6: 5.3to200mm
Travel range Adjustable within the rated travel, max. ratio 1:5
Set point w 4to20mAsignalrange
Split-rangeoperation4to12mAand12to20mA,selectedattheDIPswitch
Two-wiredevice,reversepolarityprotection,staticdestructionlimit100mA
Minimum current > 3.6 mA
Load impedance Versionwithoutexplosionprotection:≤6V(correspondingto300Ωat20mA)
Explosion-protectedversion:≤6V
Supply air
Air quality acc. to
ISO8573-1(edition
2001-02):
1.4to7bar(20to105psi)
Max. particle size and density: Class 4
Oil content: Class 3 · Pressure dew point: Class 3 or at least 10 K below the lowest
ambient temperature to be expected
Signal pressure (output) 0 bar up to the supply pressure
Limitationtoapprox.2.4barenabledbysettingDIPswitch
Characteristic Linear,deviationfromcharacteristic≤1%
Hysteresis ≤1%
Sensitivity ≤0.1%
Direction of action Selectable over DIP switch
Air consumption, steady
state
Independentfromsupplypressureapprox.120l
n
/h
Air output capacity
Tollactuatorwithair
To vent actuator
AtΔp=6bar:8.5m
n
³/h · AtΔp=1.4bar:3.0m
n
³/h · K
Vmax (20 °C)
=0.09
AtΔp=6bar:14.0m
n
³/h · AtΔp=1.4bar:4.5m
n
³/h · K
Vmax (20 °C)
=0.15
Permissible ambient tem-
perature
–20to+80°C
–45to+80°Cwithmetalcablegland
The temperature limits for the explosion-protected devices may be restricted by the
limitsspeciedinthetestcerticates.
Inuences Temperature: ≤0.15%/10K
Supply air: none
Vibrations: ≤0.25%upto2000Hzand4gaccordingtoIEC770
Electromagnetic
compatibility
Complying with EN 61000-6-2, EN 61000-6-3, EN 61326-1 and NAMUR
Recommendation NE 21