14 EtherCAT Communication Unit USER’S MANUAL (I574-E1)
A manual revision code appears as a suffix to the catalog number located at the bottom right corner of
the front and lower right of the back covers.
Revision code Revision date Changes and revision pages
01 August 2010 First printing
02 July 2011 Added information on Machine Automation Controller NJ501-1x00 series.
03 August 2012 Added information on 3G3AX-RX-ECT
04 October 2013 Limitation of Functional Safety (Safety function of MX2) is changed.