توضیحات
3730-51000000400000000 SAMSON
Series 3730
Electropneumatic Positioner
Type 3730-1
Mounting and
Operating Instructions
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 ln/h
Air delivery
Actuator pressurized
Actuator vented
At Δp =6 bar: ≥ 8.5 mn
3/h, at Δp = 1.4 bar: 3.0 mn
3/h KVmax(20 °C) = 0.09
at Δp =6 bar: ≤ 14.0 mn
3/h, at Δp = 1.4 bar: 4.5 mn
3/h KVmax(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, Pmax = 400 mW
Only for connection to NAMUR
signal converter acc. to EN 60957-5-6
نقد و بررسیها
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