Samson TROVIS 3730-3, Руководство по безопасности

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6 SH 8384-3 EN
Technical data (excerpt from EB 8384-3)
Type 3730-3 Positioner x x x x x x x x 0 x 0 0 x 0 x x
Option (additional equipment)
Without inductive limit contact
With inductive limit contact SJ2-SN (NAMUR NC contact)
0
1
Without solenoid valve
With 24 V DC solenoid valve
0
4
Attachment
The positioner is suitable for the following types of attachment in combination with various
mounting parts:
− Direct attachment to SAMSON Type 3277 Actuators
−
Attachment to linear actuators according to IEC 60534-6 (NAMUR)
−
Attachment to linear actuators according to VDI/VDE 3847
−
Attachment to SAMSON Type 3510 Micro-flow Valve
−
Attachment to rotary actuators according to VDI/VDE 3845, fixing levels 1 and 2
2 Technical data (excerpt from EB 8384-3)
Type 3730-3 Positioner: also observe the technical data in the test certificates for explosion-protected versions
Reference
variable
w
Signal range 4 to 20 mA · Two-wire device, reverse polarity protection · Minimum span 4 mA
Static
destruction limit
100 mA
Minimum current 3.6 mA for display · 3.8 mA for operation
Load impedance ≤ 8.2 V (corresponds to 410 Ω at 20 mA)
Supply air
Supply air 1.4 to 7 bar (20 to 105 psi)
Air quality acc.
to ISO 8573-1
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 · Can be limited to 1.4 bar/2.4 bar/3.7 bar ± 0.2 bar
by software
Hysteresis ≤0.3 %