Rockwell Automation 1794-Lxxxx PhaseManager - Manual (Page 24)

24 Publication LOGIX-UM001B-EN-P - April 2010
Chapter 3 Guidelines
Equipment Model
Guidelines Each equipment phase is a specific activity that your equipment does. An
equipment phase tells the equipment what to do and when to do it.
Follow these guidelines to decide how many equipment phases to use.
Guideline Details
Make sure each equipment phase does
an independent activity. Make sure each equipment phase does an activity that is independent (relatively
independent) from other equipment. The equipment phase commands all the equipment that
works together to do the specific activity.
Example
This is probably an equipment
phase This in probably NOT an equipment phase
• Fill bottles with product.
• Put bottles in carton.
• Add water to a tank.
• Mix ingredients in tank • Accelerate filler axis (too small)
• Run bottling line (too big)
• Open water valve (too small)
• Brew ingredients (too big)
Keep the number of equipment phases
and programs within the following limits. If you have this controller You can have up to
ControlLogix 100 programs and equipment phases per task
SoftLogix 100 programs and equipment phases per task
FlexLogix 32 programs and equipment phases per task
CompactLogix 32 programs and equipment phases per task
List the equipment that goes along with
each equipment phase. Example
This equipment phase Relates this equipment
Add_Water water pump
water valve
limit switch
Smart_Belt Coarse belt axis
Fine belt axis
Exit belt axis