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Allen-Bradley Studio 5000 Logix Emulate User Manual

Allen-Bradley Studio 5000 Logix Emulate
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Chapter 1
Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018 53
Major/Minor Faults
None specific to this instruction. See Common Attributes for operand-related
faults.
Execution
Ladder Diagram
Condition/State Action Taken
Prescan The .EN, .DN, and .ER are cleared to false.
Rung-condition-in is false The .EN bit is cleared to false if the .DN or .ER bit is true.
Rung-condition-in is true The .EN bit is set to true and the instruction executes. If
the EN bit is set to false, then there is no action taken,
Postscan N/A
Structured Text
Condition/State Action Taken
Prescan See Prescan in the Ladder Diagram table
Normal execution See Rung-condition-in is false, followed by rung is true in
the Ladder Diagram table.
Postscan See Postscan in the Ladder Diagram table.
Extended Error Codes
Extended Error Codes provide additional instruction specific information for the
Error Codes that are generic to many instructions. See Motion Error Codes (.ERR)
for Motion Instructions.
MDF Changes to Single Axis Status Bits
Axis Status Bits
Bit Name State Meaning
DriveEnableStatus TRUE Axis is in Axis Ready state with the Drive Enable
output now active.

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Allen-Bradley Studio 5000 Logix Emulate Specifications

General IconGeneral
BrandAllen-Bradley
ModelStudio 5000 Logix Emulate
CategoryController
LanguageEnglish

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