Rockwell Automation T8094 8000 Series TMR System Safety Manual User Manual
Page 15
SAFETY MANUAL
D oc N umber T8094
I ssue 27 – June 2013
Page xv
Communications
Interface
An intelligent communications module which
interfaces between a TMR Controller and an
Engineering Workstation, third party equipment
or other TMR Controllers.
TMR Processor
A
processor
for
use
in
safety-related
applications of the 8000 series system. Handles
application program execution, diagnostics and
reporting functions. The TMR Processor uses
three high performance RISC processors based
on patented TMR architecture arranged in a
lock-step configuration.
TÜV Certification
Independent third party certification against a
defined range of International standards.
U
Units of electronic module size (1-¾ inches).
Voting System
Redundant system (e.g. m out of n, 1-oo-2, 2-oo-
3 etc.) which requires at least m of the n
channels to be in agreement before the system
can take action.
Watchdog
Watchdog circuitry provides dynamic and/or
static monitoring of processor operation and is
used to annunciate processor or processor
related failures.