7 errors caused by array instructions – Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual User Manual

Page 239

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10.7

Errors Caused by Array Instructions

This section describes the possible errors for the Array instructions.

10.7.1

Errors Caused by the Unary Array Instruction

Errors can occur when parameters are latched and checked. If an error occurs at this

point, no operation occurs.
If an arithmetic error occurs during the instruction's operation, a default value is

generated and the operation continues.
When an error occurs:
D ENO is set to ERROR_ENO.
D When AR1 is complete,

D the ER output is set true and retains its value until EN goes false
D the Index output points to the first entry that caused the error

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