Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 239
Use I/O Modules with CompactLogix 5370 L3 Controllers Chapter 9
3. If your system uses more banks, follow these steps.
a. Install a 1769-CRx Compact I/O communication bus expansion cable
at the right end of the local bank.
b. Connect the 1769-CRx cable to the additional bank as necessary.
That is, how you connect to the first extra bank—on the right or left
side of the bank, determines the expansion cable that is installed at the
end of the local bank. See Figure 38 on page 239
for examples of how to
connect a local bank to extra banks.
c. Complete the installation of the remaining banks in your system.
The following example shows example systems with local expansion
modules included.
Figure 38 - Example CompactLogix 5370 L3 Control Systems
Wire Local Expansion Modules
Wire each Compact I/O module that is used as a local expansion module
according to the technical documentation for that module.
Make sure that you install an end cap at the end of the last bank in
your system.
1769-CRLx Cable
Horizontal Orientation
Vertical Orientation
Bank 1 Bank 2
Bank 1
Bank 2
Bank 3
1769-CRLx Cable
1769-CRRx Cable
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