EB 8484-1 EN
3-5
Design and principle of operation
3.4 Technical data
Table 3-1:
TROVIS 3730-1 Electropneumatic Positioner
Travel
Adjustable travel for
Direct attachment to Type 3277:
3.5 to 30 mm
Attachment according to IEC 60534-6 (NAMUR): 3.5 to 300 mm
Attachment according to VDI/VDE 3847
3.5 to 300 mm
Attachment to rotary actuators:
24 to 100°
Travel range
Adjustable within the initialized travel/angle of rotation of the valve; travel
can be restricted to 1/5 at the maximum.
Set point w
Signal range
4 to 20 mA · Two-wire device, reverse polarity protection
Split-range operation: 4 to 11.9 mA and 12.1 to 20 mA
Static destruction limit
±33 V
Minimum current
3.6 mA for display · 3.8 mA for operation
Load impedance
No explosion protection: ≤6.6 V (corresponding to 330 Ω at 20 mA)
Explosion protection: ≤7.3 V (corresponding to 365 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 2.4 bar ±0.2 bar by
software
Hysteresis
≤0.3 %
Sensitivity
≤0.1 %
Characteristic
Linear/equal percentage/reverse equal percentage/SAMSON butterfly
valve/VETEC rotary plug valve/segmented ball valve
Direction of action
Reversible
Air consumption, steady
state
Independent of supply air approx. 65 l
n
/h
Air output capacity
(when ∆p = 6 bar)
Actuator (supply)
8.5 m
n
³/h · At Δp = 1.4 bar: 3.0 m
n
³/h · K
Vmax(20 °C)
= 0.09
Actuator (exhaust)
14.0 m
n
³/h · At Δp = 1.4 bar: 4.5 m
n
³/h · K
Vmax(20 °C)
= 0.15
Содержание TROVIS 3730-1
Страница 6: ...6 EB 8484 1 EN...
Страница 14: ...1 8 EB 8484 1 EN...
Страница 18: ...2 4 EB 8484 1 EN...
Страница 72: ...5 38 EB 8484 1 EN Installation 32 31 Fig 5 30 Terminal assignment of position transmitter...
Страница 78: ...5 44 EB 8484 1 EN...
Страница 82: ...6 4 EB 8484 1 EN...
Страница 98: ...8 6 EB 8484 1 EN...
Страница 108: ...11 2 EB 8484 1 EN...
Страница 110: ...12 2 EB 8484 1 EN...
Страница 112: ...13 2 EB 8484 1 EN...
Страница 114: ...14 2 EB 8484 1 EN...
Страница 118: ...15 4 EB 8484 1 EN...
Страница 119: ...EB 8484 1 EN 15 5...
Страница 120: ...15 6 EB 8484 1 EN...
Страница 121: ...EB 8484 1 EN 15 7...
Страница 122: ...15 8 EB 8484 1 EN...
Страница 123: ...EB 8484 1 EN 15 9...
Страница 124: ...15 10 EB 8484 1 EN...
Страница 125: ...EB 8484 1 EN 15 11...
Страница 126: ...15 12 EB 8484 1 EN...
Страница 127: ...EB 8484 1 EN 15 13...
Страница 128: ...15 14 EB 8484 1 EN...
Страница 129: ...EB 8484 1 EN 15 15...
Страница 130: ...15 16 EB 8484 1 EN...
Страница 131: ...EB 8484 1 EN 15 17...
Страница 132: ...15 18 EB 8484 1 EN...
Страница 133: ...EB 8484 1 EN 15 19...
Страница 134: ...15 20 EB 8484 1 EN...
Страница 142: ...16 8 EB 8484 1 EN...
Страница 143: ......