Allen-Bradley 1756-RM2 User Manual

158 Rockwell Automation Publication 1756-UM535D-EN-P - November 2012
Chapter 7 Program the Redundant Controller
In addition to using preconditions, try to group instructions that can be
preconditioned by the same instructions together. In this example, the four
preconditions used in the two branches can be combined to precede the two
branches. Doing so reduces the number of precondition instructions from four to
two.
Figure 45 - Efficient Precondition Use

Allen-Bradley 1756-RM2 Specifications

General

Brand	Allen-Bradley
Model	1756-RM2
Category	Control Systems
Language	English