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.
In Modicon Quantum range, I/O scanning works with following Modbus function codes:
- FC3 for Reading Multiple 4X registers.
- FC16 for Writing Multiple 4X registers.
- If both the read and write are filled out then FC23 for Read/Write Multiple 4X registers is used.
Released for:Schneider Electric Egypt and North East Africa
