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4.1. Connection to power supply
The voltage drop caused by the electronics in the device is approx. 6 VDC. This must be taken into account when
dimensioning the power supply. The limit values are calculated as follows:
Minimum operating voltage:
Maximum operating voltage:
Key:
U
= minimum operating voltage of installed 2-wire transducer
min MU
U
= maximum operating voltage of installed 2-wire transducer
max MU
4.2. Power supply for METPOINT
1
t
d,f
3
4
I
2
4 ... 20 mA
4.3. Power supply for METPOINT
1
p
3
4
I
2
4 ... 20 mA
METPOINT
UD01
®
U
= U
B min
U
= U
B max
DPM SD21 2-wire transducer
®
+ U
V
+ I
OUT
DPM SP21 2-wire transducer
®
+ U
V
+ I
OUT
+ 6 V
min MU
+ 6 V
max MU
1
3
1
3
Installation and operating manual
+
R
L
U
-
+
-
4 ... 20 mA
+
R
L
-
+
-
4 ... 20 mA
V
U
V
17
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