Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set User Manual
Page 69
Chapter 2
Operating the Control
2-49
For the calculator function, 2147483647 (10 characters long) is the largest
number that you can enter on the input line.
If you see the error message:
The number entered or calculated is:
“NUMBER IS OUT OF RANGE”
too large (longer than 10 characters)
“MATH OVERFLOW”
greater than 2147483647
Fractional numbers cannot exceed .999999 (6 decimal places). If the
number of decimal places is exceeded, the control automatically rounds off
based on the seventh digit.
If the seventh digit is:
The control:
less than 5
rounds down
5 or greater
rounds up
Any data entered on the input lines can be edited as described on page 2-41.
To disable the calculator function, press the
[CALC]
key again. The CALC:
prompt is removed from the input line.
Use the characters in Table 2.E to indicate mathematic operations.
Table 2.E
Mathematical Operators
Symbol
Operation:
*
Multiplication
/
Division
+
Addition
--
Subtraction
[ ]
Brackets
#
Get Paramacro Value
This is the order of execution for each of the above operations:
1.
Any part of the expression that is between the brackets [ ] is
evaluated first. The values of paramacro variables are also
substituted for the #xxxx as the first operation performed.
2.
Multiplication and division are evaluated second.
3.
Addition and subtraction are evaluated last.