Siemens SIPART DR22 Manual page 162

2 Installation
2.2 Electrical Connection
2.2.3 Alternative connection for I- and U-input
+U
H
+
I
--
Figure 2-29 Connection of a 0/4 to 20 mA transmitter with negative polarity to ground
-U
H
--
I
+
Figure 2-30 Connection of a 0/4 to 20 mA 3-wire transmitter 0/4 to 20 mA with positive polarity to ground
+
--
I
Figure 2-31 Connection of a 4 to 20 mA 2-wire transmitter supplied from controller's L+
160
AE+
0/4 to 20 mA
AE--
M
AE+
0/4 to 20 mA AE--
M
L+
AE+
4 to 20 mA
AE--
M
+
49.9 Ω
--
+
49.9 Ω
--
+
49.9 Ω
--
SIPART DR22 6DR2210
Manual
C79000-G7476-C154-03