Parts (included with the controller), Parts (optional, not included with the controller), Example of expansion i/o calculation – Rockwell Automation 1769-L23E-QB1B_QBFC1B_QBFC1B CompactLogix Packaged Controller Installation Instructions User Manual

Page 7

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CompactLogix Controller 7

Rockwell Automation Publication 1769-IN082C-EN-P - February 2013

the packaged controller’s maximum available bus current, you are within the expansion I/O limit
of your packaged controller.

Example of Expansion I/O Calculation

In this example, these expansion I/O modules and bus current draws are planned for use with the
1769-L23E-QBFC1B packaged controller.

The total bus current draw of the Compact I/O modules (310 mA) is less than the total available
bus current of the packaged controller (450 mA). These planned expansion I/O modules are
within the limits of the 1769-L23E-QBFC1B packaged controller.

Parts (included with the controller)

These components are included with your CompactLogix packaged controller.

Parts (optional, not included with the controller)

In addition to the parts included with the packaged controller, you may choose to use these
components specific to your application.

Planned Expansion I/O Module

Bus Current Draw, max

(1)

(1)

The maximum bus current draw specification for each Compact I/O™ module is available in the Compact I/O Selection Guide, publication

1769-SG002

. This publication also provides further explanation of and a table for the calculation of Compact I/O power supply requirements.

1769-OV16 Sink Output Module

200 mA

1769-IF4 Analog Input Module

105 mA

1769-ECR End Cap

5 mA

Total Bus Current Draw

310 mA

Cat. No.

Part

1747-KY

Key

1769-BA

Battery

1769-ECR

End cap

If using

Then use this component

RS-232 port to connect to the packaged controller.

1756-CP3 or 1747-CP3 serial cable.

EtherNet/IP port to connect to the packaged controller.

Standard Ethernet cable with an RJ45 connector, or, for industrial
grade requirements, 1585J Ethernet connectivity media.

Panel mount method to install the packaged controller.

4…8 M4 or #8 panhead screws (depending on the number of
expansion modules used).

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