Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018 205
Affects Math Status Flags
No
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, .ER, and .IP bits are cleared to false.
Rung-condition-in is false The .EN bit is cleared to false if either the .DN or .ER bit is true.
Rung-condition-in is true The .EN bit is set to true and the instruction executes.
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.
Error Codes
See Motion Error Codes (.ERR) for Motion Instructions.
Extended Error Codes
Extended Error Codes provide additional instruction-specific information for the
Error Codes that are generic to many instructions. Extended error codes for the
PARAMETER_OUT_OF_RANGE(13) error code lists a number that refers to
the number of the operands, as they are listed in the faceplate, from top to bottom,
with the first operand being counted as zero. Therefore, for the MATC
instruction, an extended error code of 5 would refer to the Time Scaling operand’s
value. You would then have to check your value against the accepted range of
values for the instruction. See Motion Error Codes (.ERR) for Motion
Instructions.
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