4 Installation
4.2 Electrical Connection
Manual
SIPART DR21
C73000-B7476-C143-08
141
+
+U
H
AI+
AI--
GND
--
6DR2800-8J
1
2
3
4
U
--
+
Figure 4-33 Double-pin wiring of a voltage source with negative polarity to ground
6DR2800-8J
3
+
--
GND
2
4
Controller 1
AI+
AI--
L+
~
~
Controller 2
1
49.9
Ω
6DR2800-8J
3
+
--
2
4
1
GND
+
--
AI--
U
49.9
Ω
AI+
Figure 4-34 Parallel wiring of a non-floating voltage source to two instruments.
The voltage source is supplied by L+ of one of the instruments and negative is referred to
ground.
Figure 4-33 and figure 4-34:
The voltage dip on the ground-rail between the voltage source and the input amplifier appears
as a common mode voltage and is suppressed.
Summary of Contents for SIPART DR21
Page 1: ...SIPART DR21 C73000 B7476 C143 08 1 SIPART DR21 6DR 210 Edition 08 2010 Manual ...
Page 2: ...SIPART DR21 C73000 B7476 C143 08 2 ...
Page 148: ...4 Installation 4 2 Electrical Connection Manual 148 SIPART DR21 C73000 B7476 C143 08 ...
Page 180: ...5 Operation 5 5 CPU self diagnostics Manual 180 SIPART DR21 C73000 B7476 C143 08 ...
Page 242: ...Manual 242 SIPART DR21 C73000 B7476 C143 07 ...