Rockwell Automation Allen Bradley PowerFlex40

E-2 StepLogic, Basic Logic and Timer/Counter Functions
PowerFlex 40 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22B-UM001I-EN-E
StepLogic Using Timed Steps
To activate this function, set parameter P038 [Speed Reference] to 6 “Stp
Logic”. Three parameters are used to configure the logic, speed
reference and time for each step.
• Logic is defined using parameters A140-A147 [Stp Logic x].
• Preset Speeds are set with parameters A070-A077 [Preset Freq x].
• Time of operation for each step is set with parameters A150-A157
[Stp Logic Time x].
The direction of motor rotation can be forward or reverse.
Figure E.1 Using Timed Steps
StepLogic Sequence
• Sequence begins with a valid start command.
• A normal sequence begins with Step 0 and transition to the next step
when the corresponding StepLogic time has expired.
• Step 7 is followed by Step 0
• Sequence repeats until a stop is issued or a fault condition occurs.
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22B-UM001.book Page 2 Tuesday, May 30, 2017 5:22 PM