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This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.

What is the difference between SR2 and SR3 zelio logic ?

SR2 is the compact range of Zelio Logic in which you cannot add any extensions of I/O modules or communication modules, While SR3 is a modular range and you can add I/O extension modules and communication modules .