Technical Data - Samson 3767 Translation Of Original Instructions

Design and principle of operation

3.1 Technical data

Positioner
Travel range, adjustable
Opening angle
Set point
Signal range
Span
Coil resistance R at 20 °C
i
Supply
Air quality acc.
to ISO 8573-1
Signal pressure p (output)
st
Characteristic
Hysteresis
Sensitivity
Direction of action
Proportional band Xp
Air consumption
Air output Actuator (supply)
capacity
Actuator (exhaust)
Permissible ambient temperature
Influences
Explosion protection
Degree of protection
Electromagnetic compatibility
Conformity
Weight
3-4
Attachment according to IEC 60534-6: 7.5 to 120 mm or
0/4 to 20 mA
Supply air
Oil content: Class 3 · Pressure dew point: Class 3 or at least 10 K below the
Can be limited between approx. 2.5 to 6.0 bar (38 to 90 psi)
Linear characteristic, deviation from terminal-based conformity ≤1 %
<1 to 2.5 % (proportional-action coefficient K
At 1.4 bar supply pressure:
3.0 m ³/h · K
n
4.5 m ³/h · K
n
–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 certificates in the appendix for explosion-protected devices
Temperature: ≤0.3 %/10 K
Supply air: ≤1 % between 1.4 and 6 bar
Vibration: None between 10 and 150 Hz and 4 g
See test certificate in the appendix for type of protection Ex ia IIC T6
IP 54/IP 65 and NEMA 4X possible by fitting a filter check valve (see table on
Complying with EN 61000-6-2, EN 61000-6-3 and NAMUR Recommendation
Direct attachment: 7.5 to 30 mm
30° to 90° depending on the cam disk
8 to 20 mA
200 Ω
1.4 to 6 bar (20 to 90 psi)
Max. particle size and density: Class 4
lowest ambient temperature to be expected
Reversible
≤280 l /h
n
= 0.09
Vmax (20 °C)
= 0.15
Vmax (20 °C)
accessories on page )
Approx. 1 kg
1 to 5 mA
2 to 4 mA
880 Ω
≤0.6 %
≤0.1 %
: >100 to 40)
p
At 6 bar supply pressure: ≤280 l
With lowest setting of pressure regulator
8.5 m ³/h · K
n Vmax (20 °C)
14.0 m ³/h · K
n Vmax (20 °C)
NE 21
·
/h
n
= 0.09
= 0.15
EB 8355-2 EN