IFM SD25 Series Operating Instructions Manual page 11

1
[mA]
FOU=On 21,5
20,5
20
4
3,8
FOU=OFF 3,5
cr�UL UL
Q
P
T -31
-24
Fig� 1: Characteristics of the analogue output according to the standard IEC 60947-5-7�
analogue signal
1
measured value (volumetric flow, temperature or pressure)
2
detection zone
3
display range
4
measuring range
5
scaled measuring range
6
Q: flow
P: pressure
T: temperature
MAW: initial value of the measuring range for non-scaled measuring range (With setting of a
low-flow cut for Q: signal output starting at MAW + LFC → 4.6�)
MEW: final value of the measuring range for non-scaled measuring range
ASP: analogue start point with scaled measuring range
AEP: analogue end point with scaled measuring range
UL: below the display range
OL: above the display range
cr�UL: below the detection zone (error)
cr�OL: above the detection zone (error)
MAW ASP
0
-1 0
-24 -10
-11 14
3
4
5
6
AEP MEW
100
16
60
140
2
OL cr�OL
120 130 [% MEW]
20 [bar]
74 81 [°C]
161 178 [°F]
11
UK