jimcav Member J Join Date Dec 2004 Location new jersey Posts 229 Apr 9, 2014 #1 I updated the firmware to version 21 on a L72, can it be down graded back to version 20? Thanks jim cav
I updated the firmware to version 21 on a L72, can it be down graded back to version 20? Thanks jim cav
Phrog30 Member P Join Date Dec 2006 Location Montgomery, Alabama Posts 1,048 Apr 9, 2014 #2 Yes it can.
dmroeder Lifetime Supporting Member Join Date Apr 2006 Location Vancouver, WA Posts 3,608 Apr 9, 2014 #3 Once you've downgraded it to V20, you will need V20 of RSLogix5000 installed in order to program it.