Technical Data - Samson 3767 Mounting And Operating Instructions

Design and principle of operation
2.2 Technical data
Positioner
Travel range, adjustable
Opening angles
Reference variable
Signal range
Span
Coil resistance R at 20 °C
i
Supply air
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 capacity
Permissible ambient
temperature
Influences
Explosion protection
Degree of protection
Electromagnetic compatibility
Compliance
Weight
10
Attachment according to IEC 60534-6: 7.5 to 120 mm or
30° to 90° depending on the cam disk
0/4 to 20 mA
8 to 20 mA
200 Ω
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
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: ≤280 l
To fill actuator with air: 3.0 m
To vent actuator: 4.5 m
–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
1.4 to 6 bar (20 to 90 psi)
≤0.3 %
≤0.1 %
Reversible
At 6 bar supply pressure: ≤280 l
/h With lowest setting of pressure
n
³/h
n
³/h
n
accessories on page 19)
NE 21
·
Approx. 1 kg
1 to 5 mA
2 to 4 mA
880 Ω
: >100 to 40)
p
/h
n
regulator
8.5 m ³/h
n
14.0 m ³/h
n
EB 8355-2 EN