Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual - Manual (Page 131)

5Ć37
5.10.7 Errors Caused by the Square Root Instruction
These errors can occur when you are using the SQRT instruction in a program. They
are logged in the error log.
If this error occurs: Then: Do the following:
The result of the
arithmetic calculation
is too large for Out.
ENO is set according
to ERROR_ENO, and
Out contains the
largest positive value
allowed for its data
type.
Specify a larger data
type for Out. For
example, if you are
using integers, specify
the data type as a
double integer.
Cannot take the
square root of a
negative number
ENO is set according
to ERROR_ENO, and
Out contains the
square root of the
absolute value of In.
Make sure the value of
In is positive.