Samson 4763, Mounting And Operating Instruction

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EB 8359-2 EN 3-3
Design and principle of operation
3.1 Technical data
Controlled variable (travel range) 7.5 to 60 mm, with lever extension: 7.5 to 90 mm
Set point
1)
Split-range 0 to 50 % or 50 to
100 % set point span (up to
50 mm travel)
4 to 20 mA (Ex), R
i
= 250 Ω
2)
4 to 20 mA (without explosion protection), R
i
= 200 Ω 2)
0 to 20 mA, R
i
= 200 Ω 2)
1 to 5 mA, R
i
= 880 Ω 2)
Range spring See the 'Installation' section for selection.
Supply 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
Signal pressure p
st
(output) Max. 0 to 6.0 bar (0 to 90 psi)
Characteristic Linear characteristic
Deviation from terminal-based conformity ≤1.5 %
Hysteresis <0.5 %
Sensitivity <0.1 %
Direction of action Reversible
Proportional band Xp (at 1.4 bar
supply air)
1 to 3.0 % with spring 1
1 to 2.0 % with spring 2
1 to 1.5 % with spring 3
Air consumption in steady state
(Xp = 1 %)
With 1.4 bar supply air: 0.19 m
n
³/h
With 6 bar supply air: 0.5 m
n
³/h
Air output At Δp 1.4 bar: 3.0 m
n
³/h · At Δp 6 bar: 8.5 m
n
³/h
Transit time with Type 3271
Actuator, “stem extends”
175 cm²: ≤1.8 s
350 cm²: ≤2.5 s
750 cm²: ≤10.0 s
Permissible ambient
temperature 3)
With Type 6109 i/p Converter:
–20 to +70 °C
–35 to +70 °C (metal cable gland)
With Type 6112 i/p Converter:
–20 to +80 °C
–40 to +80 °C (metal cable gland)
–45 to +80 °C (special version)
Influences Temperature: <0.03 %/1 K
Supply air: < 0.3 %/0.1 bar
Vibrations: <2 % between 10 up to 150 Hz and 4 g
Variable position when turned by 180°: <3.5 %