User manual

28 Rockwell Automation Publication 1756-UM001O-EN-P - October 2014

Chapter 1 Install the 1756-L7x Controller

4. Remove the SD card and close the door.

Install the ESM

To install an ESM in the 1756-L7x controller, complete these steps.

1. Align the tongue-and-groove slots of the ESM and controller.

2. Slide the ESM back until it snaps into place.

The ESM begins charging after installation. The following status messages

indicate charging status:

• ESM Charging

• CHRG

After you install the ESM, it can take up to 15 seconds for the charging

status messages to display.

Logix 55xx

RUN

RCE

ATTENTION: To avoid potential damage to the product when inserting the

ESM, align it in the track and slide forward with minimal force until the ESM

snaps into place.

Log

ix 55

RUN