ABB AC500 PLC Hardware Manual page 1151

1.8.2.3 TA524 - Dummy Communication Module
1 Type
2 Label
Purpose TA524 is used to cover an unused communication module slot of a terminal base
1.1.1 "TB51x-TB54x" on page 4 and TB56xx. It protects the terminal base from dust and inad-
vertent touch.
Handling TA524 is mounted in the same way as a common communication module
Instructions "Mounting and Demounting the Communication Modules" on page 1271.
2019/04/17
In order to prevent data losses or problems, the battery should be replaced after
3 years of utilisation or at least as soon as possible after receiving the "low bat-
tery warning" indication.
Do not use a battery older than 3 years for replacement, do not keep batteries
too long in stock.
3ADR010121, 13, en_US
Device Specifications
Accessories > AC500 (Standard)
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Ä Chapter 2.6.3.6
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