Siemens SIPART DR21 User Manual

4 Installation
4.2 Electrical Connection
Manual
140
SIPART DR21
C73000-B7476-C143-08
D Voltages 0/0.2 to 1 V or 0/2 to 10 V
+
U
H
AI+
AI--
GND
--
49.9 Ω
6DR2800-8J
1
2
3
4
U
--
+
Figure 4-30 Connection of a floating voltage supply
+
+U
H
AI+
AI--
GND
--
49.9 Ω
6DR2800-8J
1
2
3
4
U
--
+
Figure 4-31 Single-pin connection of a non-floating voltage supply with negative polarity to ground
+
--U
H
AI+
AI--
GND
--
49.9 Ω
6DR2800-8J
1
2
3
4
U
only permitted when
connected for 1 V
--
+
Figure 4-32 Single-pin connection of a non-floating voltage supply with positive polarity to ground
Figure 4-31 and figure 4-32:
The voltage dip on the ground-rail between the voltage source and the input amplifier appears
as a measuring error. Only use when ground cables are short or choose a circuit configuration
as shown in figure 4-33, page 141!

Siemens SIPART DR21 Specifications

General

Brand	Siemens
Model	SIPART DR21
Category	Controller
Language	English