Samson 3766 - Additional Equipment

12 EB 8355-1 EN
Design and principle of operation
2.3 Additional equipment
Limit contacts
2 inductive proximity switches SJ2-SN
Control circuit Values according to downstream transistor relay
Hysteresis at rated travel ≤1%
Solenoid valve
Input Binary DC voltage signal
Nominal signal
6VDC 12VDC 24VDC
Signal '0' (no response)
2)
≤1.2V ≤2.4V ≤4.7V
Signal '1' (response)
3)
≥5.4V ≥9.6V ≥18.0V
Maximum permissible signal
28V 25V 32V
Coil resistance R
i
at20°C
2909Ω 5832Ω 11714Ω
Air consumption in steady state Inadditiontothatofthepositioner:OFF≤60l
n
/h·ON≤10l
n
/h
1)
Closing time for
rated travel and
signal pressure
range(K
VS
0.13)
Type3277Actuator ≤120cm² 240cm² 350cm² 700cm²
0.2to1bar ≤0.5s ≤0.8s ≤1.1s ≤4s
0.4to2bar ≤0.5s ≤2s ≤2.5s ≤8s
0.6to3bar
5)
≤1s ≤1.5s ≤5s
Analog position transmitter
6)
Output Two-wireconnection4to20mA
Auxiliary power Minimumterminalvoltage:12V,
max.:45V
The position transmitter must
onlybeconnectedtoacertied
intrinsically safe circuit.
4)
1)
With lowest setting of pressure regulator
2)
DCvoltagesignalat25°C
3)
DCvoltagesignalat+80°C
4)
e.g.usingaSAMSOMATICType994-0103-KFD2-STC4-Ex1LoopIsolator
5)
120cm²actuatorinallsignalpressureranges:≤0.5s
6)
Available until March 2011