Samson 3767 - Technical Data

10 EB8355-2EN
Designandprincipleofoperation
2.2 Technicaldata
Positioner
Travelrange,adjustable
Directattachment:7.5to30mm
AttachmentaccordingtoIEC60534-6:7.5to120mmor
Opening angles 30°to90°dependingonthecamdisk
Referencevariable
Signal range 0/4to20mA 1to5mA
Span 8 to 20 mA 2 to 4 mA
Coil resistance R
i
at20°C 200Ω 880Ω
Supply air
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belowthelowest
ambienttemperaturetobeexpected
Signal pressure p
st
(output) Canbelimitedbetweenapprox.2.5to6.0bar(38to90psi)
Characteristic Linearcharacteristic,deviationfromterminal-basedconformity≤1%
Hysteresis ≤0.3%
Sensitivity ≤0.1%
Direction of action Reversible
ProportionalbandXp <1to2.5%(proportional-actioncoefcientK
p
:>100to40)
Air consumption
At1.4barsupplypressure:≤280l
n
/h
At6barsupplypressure:≤280l
n
/h
With lowest setting of pressure
regulator
Air output capacity Tollactuatorwithair:3.0m
n
³/h
Toventactuator:4.5m
n
³/h
8.5m
n
³/h
14.0 m
n
³/h
Permissibleambient
temperature
–20to80°Cwithplasticcablegland
–40to80°Cwithmetalcablegland(specialversiondownto–45°C)
–20to70°Cwithpositiontransmitter
Seetestcerticatesintheappendixforexplosion-protecteddevices
Inuences Temperature: ≤0.3%/10K
Supplyair:≤1%between1.4and6bar
Vibration:Nonebetween10and150Hzand4g
Explosion protection SeetestcerticateintheappendixfortypeofprotectionExiaIICT6
Degree of protection IP54(IP65andNEMA4Xpossiblebyttingaltercheckvalve.Seetableon
accessoriesonpage19)
Electromagneticcompatibility ComplyingwithEN61000-6-2,EN61000-6-3andNAMURRecommendation
NE21
Compliance
·
Weight Approx.1kg