Output Voltage Connections To Backplane (All Supplies) - GE 90-30 PLC Series Installation And Hardware Manual

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.
Figure 4-11. Interconnection of Power Supplies
GFK-0356Q Chapter 4 Power Supplies
Jumper Strap Connects
Overvoltage Protection
Devices to Frame Ground
POWER SUPPLY
SINGLE
POINT
CONNECTION
DC
DC
1
2
3
4
Screw Terminals
on Terminal Board
BACKPLANE USE/COMMENTS
USED INTERNALLY ON ANALOG INPUT,
I 24V
ANALOG OUTPUT, AND DC INPUT MODULES.
ALSO AVAILABLE ON EXTERNAL
TERMINALS ON DC INPUT MODULES AND
ON FRONT OF POWER SUPPLY FOR
IGND
USER APPLICATIONS.
R24V
USED INTERNALLY ON
RELAY OUTPUTS
RGND
P5V
USED INTERNALLY ON CPU,
INPUTS, OUTPUTS, ETC.
LGND
2 POINT
CONNECTION
FGND
EXTERNAL CONNECTION
TO EARTH GROUND.
4
Frame Ground
4-17