Technical Data - Samson 3730-4 Mounting And Operating Instructions

3.7 Technical data

Table 12: Type 3730-4 Electropneumatic Positioner
Type 3730-4 Positioner with PROFIBUS-PA communication
The technical data for the explosion-protected devices may be restricted by the limits specified in the test certifi-
cates.
Valve travel Adjustable
Travel range Adjustable
Bus connection
Communication
Fieldbus
Local
Software requirements
Permissible voltage supply
Maximum operating current
Additional current in case of
error
Supply air
Signal pressure (output)
Characteristic
Hysteresis
EB 8384-4 EN
Direct attachment to Type 3277 Actuator
Attachment according to IEC 60534-6 (NAMUR) 3.6 to 300 mm
Attachment according to VDI/VDE 3847
Attachment to rotary actuators (VDI/VDE 3845)
Adjustable within the initialized travel/angle of rotation of the valve; travel can be
restricted to 1/5 at the maximum.
Fieldbus interface according to IEC 61158-2, bus-powered
Field device according to FISCO (Fieldbus Intrinsically Safe Concept)
Data transmission conforming to PROFIBUS-PA specification acc. to IEC 61158 and
IEC 61784
Certified DTM file acc. to FDT specification 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
SAMSON SSP interface and serial interface adapter
TROVIS-VIEW with device module 3730-4
9 to 32 V DC · Powered by bus line
Observe the limits in the test certificate for explosion-protected versions.
15 mA
0 mA
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 wa-
ter: Class 3 · Pressure dew point: Class 3 or at least 10 K below the lowest ambient
temperature to be expected
0 bar up to the supply pressure · Can be limited to 1.4/2.4/3.7 bar ±0.2 bar by
software
Linear/Equal percentage/Reverse equal percentage · User-defined (over operating
software and communication) · Butterfly valve linear/equal percentage · Rotary
plug valve linear/equal percentage · Segmented ball valve linear/equal percentage
Deviation from characteristic ≤ 1 %
≤0.3 %
Design and principle of operation
3.6 to 30 mm
3.6 to 300 mm
24 to 100° opening angle
27