Samson 3730-4 - Technical Data

12 EB 8384-4 EN
Design and principle of operation
3.3 Technical data
Type3730-4 Positioner with PROFIBUS-PA communication
The technical data for the explosion-protected devices may be restricted by the limits specied in the test
certicates.
Valve travel Adjustable
Direct attachment to Type3277 Actuator 3.6 to 30mm
Attachment according to IEC60534-6 (NAMUR) 3.6 to 300mm
Attachment according to VDI/VDE3847 3.6 to 300mm
Attachment to rotary actuators (VDI/VDE3845) 24 to 100° opening angle
Travel range Adjustable
Adjustable within the initialized travel/angle of rotation of the valve; travel can be
restricted to 1/5 at the maximum.
Bus connection
Fieldbus interface according to IEC 61158-2, bus-powered
Field device according to FISCO (Fieldbus Intrinsically Safe Concept)
Communication
Fieldbus
Data transmission conforming to PROFIBUS-PA specication acc. to IEC61158 and
IEC61784
Certied DTM le acc. to FDT specication 1.2, suitable for integrating the position-
er into frame applications that support the FDT/DTM concept. Other integrations,
e.g. into SIMATIC PDM using EDD
Local SAMSON SSP interface and serial interface adapter
Software requirements TROVIS-VIEW with device module 3730-4
Permissible voltage supply
9 to 32VDC · Powered over bus line
Observe the limits in the test certicate for explosion-protected versions.
Maximum operating current 15mA
Additional current in case of
error
0mA
Supply air
1.4 to 7bar (20 to 105psi)
Air quality acc. to ISO8573-1: 2001
Max. particle size and quantity: Class 4 · Oil content: Class 3 · Humidity and water:
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 · Can be limited to 1.4/2.4/3.7bar ±0.2bar by
software
Characteristic
Linear/equal percentage/reverse equal percentage · User-dened (over operating
software and communication) · Buttery valve linear/equal percentage · Rotary
plug valve linear/equal percentage · Segmented ball valve linear/equal percentage
Deviation from characteristic ≤ 1%
Hysteresis ≤0.3%
Sensitivity ≤0.1%