EB 8359-2 EN 3-3
Design and principle of operation
3.1 Technical data
Controlled variable (travel range) 7.5 to 60mm, with lever extension: 7.5 to 90mm
Set point
1)
Split-range 0 to 50% or 50 to
100% set point span (up to
50mm travel)
4 to 20mA (Ex), R
i
= 250Ω
2)
4 to 20mA (without explosion protection), R
i
= 200Ω
2)
0 to 20mA, R
i
= 200Ω
2)
1 to 5mA, R
i
= 880Ω
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 ISO8573-1: max. particle size and density:
Class 4
Oil content: Class 3 · Pressure dew point: Class 3
Signal pressure p
st
(output) Max. 0 to 6.0bar (0 to 90psi)
Characteristic Linear characteristic
Deviation from terminal-based conformity ≤1.5%
Hysteresis <0.5%
Sensitivity <0.1%
Direction of action Reversible
Proportional band Xp (at 1.4bar
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 1.4bar supply air: 0.19 m
n
³/h
With 6bar supply air: 0.5 m
n
³/h
Air output At Δp 1.4bar: 3.0 m
n
³/h · At Δp 6bar: 8.5 m
n
³/h
Transit time with Type3271
Actuator, “stem extends”
175cm²: ≤1.8s
350cm²: ≤2.5s
750cm²: ≤10.0s
Permissible ambient
temperature
3)
With Type6109 i/p Converter:
–20 to +70°C
–35 to +70°C (metal cable gland)
With Type6112 i/p Converter:
–20 to +80°C
–40 to +80°C (metal cable gland)
–45 to +80°C (special version)
Inuences Temperature: <0.03%/1K
Supply air: <0.3%/0.1bar
Vibrations: <2% between 10 up to 150Hz and 4g
Variable position when turned by 180°: <3.5%