Rockwell-automation 1766-Lxxxx MicroLogix 1400 Programmable Controller User Manual download pdf (Page 31)

Rockwell Automation Publication 1766-UM001H-EN-P - May 2014 17

Install Your Controller Chapter 2

2. Align the connector on the memory module with the connector pins on

the controller.

3. Firmly seat the memory module into the controller.

4. Use a screwdriver as in step 1 to remove the memory module in the future.

Using the Battery

The MicroLogix 1400 controller is equipped with a replaceable battery (catalog

number 1747-BA). The Battery Low indicator on the LCD display of the

controller shows the status of the replaceable battery. When the battery is low, the

indicator is set (displayed as a solid rectangle). This means that either the battery

wire connector is disconnected, or the battery may fail within 2 weeks if it is

connected.

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IMPORTANT

The MicroLogix 1400 controller ships with the battery wire connector

connected.

Ensure that the battery wire connector is inserted into the connector

port if your application needs battery power. For example, when using

a real-time clock (RTC).

Replacing the battery when the controller is powered down will lose

all user application memory. Replace the battery when the controller is

powered on.

Refer to the SLC 500 Lithium Battery Installation Instructions,

publication 1747-IN515, for more information on installation, handling,

usage, storage, and disposal of the battery.

See RTC Battery Operation on page 120, for more information on the

use of the battery in relation with RTC.

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