84 Rockwell Automation Publication 1769-UM011H-EN-P - April 2012
Chapter 6 Place, Configure, and Monitor I/O
1. Verify that your 1769-L3x controller resides on the leftmost side of the
bank.
2. Verify that you have placed no more than three I/O modules between your
controller and power supply (bank 0).
Placing more than three I/O modules in bank 0 would exceed the distance
rating of four and invalidate your system.
3. Validate the number of I/O modules your power supply can support.
In a single-bank system, make sure you have not placed more than eight I/
O modules between the power supply and end cap (bank 1).
In a multi-bank system, make sure that your additional bank(s) do not have
more than eight I/O modules on either side of the additional power
supply.
In this example, the I/O modules 12...30 could be arranged in any way as
long as the power supplies’ capacity was not exceeded. In other words, the
In a single-bank system, the power supply can support up to eight
I/O modules as long as the modules’ power consumption does not
exceed the power supply’s capacity.
So, in a single-bank system, you may not have more than eleven
total I/O modules, three to the left of your power supply and eight
to the right.
If your system requires additional I/O modules, you must add an
additional bank.
In a multi-bank system, you may place up to eight I/O modules on
either side of the additional power supply so long as the power
consumed by these modules does not exceed the power supply’s
capacity.
1769-L3x
Controller
Bank 1
Power Supply
End Cap
Single-Bank System
Bank 0
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