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26
Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Chapter 2 Install Your 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.
Use 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.
Connect the Battery Wire Connector
To connect the battery wire connector to the battery connector, do as follows:
1. Insert the replaceable battery wire connector into the controller’s battery
connector.
2. Secure the battery connector wires so that it does not block the 1762
expansion bus connector as shown in
Module
Memory
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.
See SLC™ 500 Lithium Battery Installation Instructions,
, for more information on installation, handling,
usage, storage, and disposal of the battery.
See
RTC Battery Operation on page 123
, for more information on the use of
the battery in relation with RTC.
WARNING:
When you connect or disconnect the battery an electrical arc can occur.
This could cause an explosion in hazardous location installations. Be sure that the
area is nonhazardous before proceeding.
For Safety information on the handling of lithium batteries, including handling and
disposal of leaking batteries, see Guidelines for Handling Lithium Batteries,
publication
.
IMPORTANT
When the controller’s Battery Low indicator is set (displayed as a solid
rectangle) with the battery wire connector connected, you should install a
new battery immediately.
Summary of Contents for 1766-L32AWA
Page 10: ...10 Rockwell Automation Publication 1766 UM001O EN P September 2021 Table of Contents Notes ...
Page 302: ...302 Rockwell Automation Publication 1766 UM001O EN P September 2021 Glossary Notes ...
Page 308: ...308 Rockwell Automation Publication 1766 UM001O EN P September 2021 Index Notes ...