View Single Post
Old December 14th, 2014, 07:57 PM   #3
daba
Lifetime Supporting Member + Moderator
United Kingdom

daba is offline
 
daba's Avatar
 
Join Date: Jul 2004
Location: uk
Posts: 4,387
Quote:
Originally Posted by Ron Beaufort View Post
I'm not 100% sure that I'm following everything that you're reporting -

but -

whenever an Allen-Bradley processor has a "go to run" experience - each OTE instruction will go write a ZERO into its bit box ... this is a part of the PRE-SCAN operation ...

NOTE: it's a little more complicated than that for a ControlLogix or CompactLogix system - but we'll skip that part since you're not working with either of those platforms ...
So glad you corrected your original reply, Ron - I was halfway though correcting it for you when I noticed the edit.....
__________________
___________________________
ControlLogix & SLC Training
a-b train ltd.
abtrain@tiscali.co.uk
www.abtrain.co.uk
tel: 07506 73 9999
nil illegitimi carborundem


  Reply With Quote