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Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual User Manual

Page 202

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9Ć28

9.7.2

Errors Caused by the Circular Rotate Bits Left, Circular Rotate Bits Left

on Transition, Circular Rotate Bits Right, and Circular Rotate Bits Right

on Transition Instructions

This error can occur when you are using the ROL, RL, ROR, and RR instructions. It is

logged in the error log.

If this error occurs:

Then:

Do the following:

D The number of bits to

rotate is negative.

D The number of bits to

rotate is too large.

D No bits are rotated
D ENO is set to

ERROR_ENO

D Out reflects least

significant bit of In

Make sure that N is

within the allowable

range for the data type

used for In.