Rockwell Automation 5000,D50006.2.10 PI INSTALLATION MANUAL - Manual (Page 107)

Chapter 7
Installing 1771 I/O
7-19
Figure 7.12
An I/O Chassis Ground Bus Providing Ground Connection for Several Drain Wires
I/O chassis
To central
ground bus
I/O chassis ground bus
16194
Install each power supply for each I/O chassis as described in the
installation data sheet shipped with each power supply.
ATTENTION: If you use separate ac power sources for the
power supply and all input devices connected to the I/O chassis,
and if power is lost at the input devices while the power supply
continues to operate, incorrect input data could be stored
in memory.
If you are: Go to chapter:
installing nonĆstandard I/O 8
connecting the I/O link 9
Connecting I/O Power Supplies
What to do Next