![Samson TROVIS SAFE 3731-3 Скачать руководство пользователя страница 12](http://html1.mh-extra.com/html/samson/trovis-safe-3731-3/trovis-safe-3731-3_mounting-and-operating-instructions_3978456012.webp)
3.4
Technical data
12
EB 8387-3S EN
Design and principle of operation
TROVIS SAFE 3731-3 Ex d Positioner (technical data in test certificates additionally apply for explosion-protected
devices)
Rated travel
Adjustable Direct attachment to Type 3277: 3.6 to 30 mm
Attachment acc. to IEC 60534-6 (NAMUR): 3.6 to 300 mm
Attachment to rotary actuators (VDI/VDE 3845): 24° to 100°
Travel range
Adjustable Adjustable within the initialized travel/angle of rotation;
travel can be restricted to
1
5
at the maximum
Reference variable w
Signal range 4 to 20 mA, 2-wire unit, reverse polarity protection,
min. span 4 mA, static destruction limit 40 V, internal current limit 60 mA
Shutdown action
TROVIS SAFE 3731-3xxxxxx
0
00x1x00: Emergency shutdown at 0 mA
TROVIS SAFE 3731-3xxxxxx
1
00x1x00: Emergency shutdown at 3.85 mA
± 0.05 mA
Minimum current
3.6 mA for display · 3.8 mA for operation
Voltage compliance
≤
9 V corresponds to 450
Ω
at 20 mA
Communication
Local communication SAMSON SSP interface and serial interface adapter
Software requirements TROVIS-VIEW with device-specific module for TROVIS SAFE 3731-3
HART
®
communication HART
®
field communication protocol
Impedance in HART
®
frequency range: Receiving approx. 455
Ω
, sending 185
Ω
Software requirements For handheld communicator: device description for TROVIS SAFE 3731-3
For PC: DTM file acc. to Specification 1.2, suitable for integrating the positioner in
frame applications that supports the FDT/DTM concept (e.g. PACTware);
integration into AMS™ Suite available.
Supply air
Pressure TROVIS SAFE 3731-321, TROVIS SAFE 3731-327: 1.4 to 7 bar (20 to 105 psi)
TROVIS SAFE 3731-323: 1.4 to 6 bar (20 to 90 psi)
Air quality acc. to
ISO 8573-1
edition 2004
Max. particle size and density: Class 4 · Oil content: Class 3
Moisture and water: Class 3
Pressure dew point: At least 10 K beneath the lowest ambient temperature to be ex-
pected
Signal pressure (output)
0 bar up to supply pressure · Limitable to 1.4/2.4/3.7 ±0.2 bar via software
Characteristic
Linear/equal percentage/reverse equal percentage
Butterfly valve/Rotary plug valve/Segmented ball valve: linear/equal percentage
User-defined (over operating software and communication)
Deviation from terminal-based conformity
≤
1 %
Hysteresis
≤
0.3 %
Sensitivity
≤
0.1%
Transit time
Separately adjustable up to 240 seconds for supply air and exhaust air
Direction of action
Reversible
Air consumption, steady-state
Independent from supply pressure < 110 l
n
/h
Содержание TROVIS SAFE 3731-3
Страница 5: ...EB 8387 3S EN 5...
Страница 92: ...92 EB 8387 3S EN...
Страница 93: ...EB 8387 3S EN 93...
Страница 94: ...94 EB 8387 3S EN...
Страница 95: ...EB 8387 3S EN 95...
Страница 96: ...96 EB 8387 3S EN...
Страница 97: ...EB 8387 3S EN 97...
Страница 98: ...98 EB 8387 3S EN...
Страница 101: ...EB 8387 3S EN 101...
Страница 102: ...102 EB 8387 3S EN...
Страница 103: ...EB 8387 3S EN 103...