User guide

Wiring and Cabling
140
890 USE 108 00 August 2001
Grounding and
Power
Distribution
Example
The two illustrations that follow provide an example of a Compact system layout for
grounding and power distribution. Because of the size, this example is divided into
two parts.
The following figure comprises part 1 of a Compact system layout for grounding and
power distribution.
+5 V
System Ground
A
B
DAP 204
DAP 208
DAP 212
C
D
1, 12
11, 22
P120
Power Supply
L
N
G
AC or DC for Field Devices
ac ordc for field devices
984 CPU
24 VDC
GND
Z
Screw
Closed without
washer to make
ground
DIN Rail
Functional
Ground
Building
Ground
E
F
G
H
I
+
-