SICK FFU Bedienungsanleitung Seite 49

FFU
When using the dosing function the output should not be configured as normally closed!
After restart and till the end of a dosing process the valve would be open.
When configuration of the input is changed a device restart is required.Characteristic analog output
NPN normally closed
NPN normally open
PNP normally closed
PNP normally open
Characteristic analog output
0 - 20 mA
For the following graphic "min Range" is used for 0 % and "max Range" is used for 100 %.
24
22
20
18
16
14
12
10
8
6
4
2
0
-20 -10 0 10
Value
Smaller 0 %
0 % (min range)
Between 0 % and 100 %
100 % (max range)
Bigger 100 %
8013863/2012-02-10 © SICK AG • Fluid sensors • Germany • Subject to change without notice
8 Technical data
Startup of device
High impedance
High impedance
High impedance
High impedance
C urrent output 0...20m A
20 30 40 50 60
0 mA
0 mA
Linear interpolation from 0 mA to 20 mA
20 mA
20 mA
While dosing
High impedance
0 V
High impedance
24 V
70 80 90 100 110
Value [% ]
Current
Operating instructions
Before/after dosing
0 V
High impedance
24 V
High impedance
120
EN
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