GFK-0356Q Chapter 4 Power Supplies 4-17
4
1
2
3
4
Jumper Strap Connects
Overvoltage Protection
Devices to Frame Ground
Screw Terminals
on Terminal Board
Frame Ground
Figure 4-10. Overvoltage Protection Devices and Jumper Strap
Output Voltage Connections to Backplane (All Supplies)
The following figure illustrates how these three output voltages are connected internally to the
backplane on the baseplate. The voltage and power required by modules installed on the baseplate
is supplied through the baseplate connectors.
POWER SUPPLY BACKPLANE
DC
DC
R24V
RGND
P5V
LGND
FGND
2 POINT
CONNECTION
SINGLE
POINT
CONNECTION
USED INTERNALLY ON ANALOG INPUT,
ANALOG OUTPUT, AND DC INPUT MODULES.
ALSO AVAILABLE ON EXTERNAL
TERMINALS ON DC INPUT MODULES AND
ON FRONT OF POWER SUPPLY FOR
USER APPLICATIONS.
USED INTERNALLY ON
RELAY OUTPUTS
EXTERNAL CONNECTION
TO EARTH GROUND.
USED INTERNALLY ON CPU,
INPUTS, OUTPUTS, ETC.
USE/COMMENTS
I
24V
I
GND
Figure 4-11. Interconnection of Power Supplies
To Next Page
Loading...
