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Samson 3730 - Page 5

Samson 3730
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EB 8384-1 EN 5
Technical data
Positioner
Travel, adjustable
Direct attachment to Type 3277: 3.6 to 30 mm
Attachment acc. to IEC 60534-6: 3.6 to 200 mm or 24° to 100° with rotary actuators
Travel range
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, split-range 4 to 11.9 mA and 12.1 to 20 mA,
Static destruction limit 100 mA.
Minimum current 3.7 mA
Load impedance
6 V (corresponding to 300
Ω
at 20 mA)
Supply air
Supply pressure from 1.4 to 6 bar (20 to 90 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 beneath the lowest
ambient temperature to be expected
Signal pressure (output) 0 bar up to supply pressure, limitable to approx. 2.4 bar via software
Characteristic Selection: 1 characteristic for globe valves, 8 characteristics for opening angle
Hysteresis
1 %
Sensitivity
0.1 %
Transit time < 0.5 s for initialization not permissible, adaptation over volume restriction Q
Direction of action w/x reversible
Air consumption, st. state Independent from supply pressure approx. 110 l
n
/h
Air delivery
Actuator pressurized
Actuator vented
At Δp =6 bar:
8.5 m
n
3
/h, at Δp = 1.4 bar: 3.0 m
n
3
/h K
Vmax(20 °C)
= 0.09
at Δp =6 bar:
14.0 m
n
3
/h, at Δp = 1.4 bar: 4.5 m
n
3
/h K
Vmax(20 °C)
= 0.15
Permissible ambient
temperature
–20 to +80 °C, with metal cable gland –40 to +80 °C
Limits in EC Type Exam. Certificate additionally apply for explosion-protected devices.
Influences
Temperature:
0.15 %/10 K Supply air: None
Vibration:
0.25 % up to 2000 Hz and 4 g acc. to IEC 770
Electromagnetic
compatibility
Complying with requirements specified in EN 61000-6-2, EN 61000-6-3 and
NAMUR Recommendation NE 21
Explosion protection
II 2 G EEx ia IIC T6 / II 2 D IP 65 T 80 °C or
II 3 G EEx nA/nL IIC T6 / II 3 D IP 65 T 80 °C
Degree of protection IP 66 / NEMA 4X
Materials
Die-cast aluminum GD AlSi12 acc. to DIN 1725 ( 3.2582), chromated and plastic
coated; External parts: Stainless steel 1.4571 and 1.4301
Weight Approx. 1 kg
Binary contacts 2 software limit switches w. configurable limits (0.5 % steps), reverse polarity protection
Signal status
No response:
Response:
Without explosion protection
Conductive (R = 348
Ω
)
Non-conducting
Explosion-protected version
2.1 mA
1.2 mA acc. to EN 60957-5-6
Operating voltage
For connection to binary input of the PLC
acc. to EN 61131, P
max
= 400 mW
Only for connection to NAMUR
signal converter acc. to EN 60957-5-6

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