Siemens SIPART DR21

4 Installation
4.2 Electrical Connection
Manual
138
SIPART DR21
C73000-B7476-C143-08
I
0/4to20mA
+
U
H
AI+
AI--
GND
--
49.9 Ω
6DR2800-8J
1
2
3
4
--
+
Figure 4-25 Connection of a 4-wire-transmitter 0/4 to 20 mA with potential isolation
0/4to20mA
+U
H
AI+
AI--
GND
6DR2800-8J
1
2
3
4
+
--
49.9 Ω
I
--
+
Figure 4-26 Connection of a 0/4 to 20 mA 3-wire transmitter with negative polarity to ground
0/4to20mA
-U
H
AI+
AI--
GND
1
2
4
+
--
49.9 Ω
3
6DR2800-8J
I
--
+
Figure 4-27 Connection of a 0/4 to 20 mA 3-wire transmitter with positiv e polarity to ground