Siemens SINUMERIK 828D Commissioning Manual page 1006

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5.11 Details on the variable type

Sequence of characters in the INTEGER data type

1. "I" Basic INTEGER designation

2. Display format

3. Memory utilization

4. "U" Unsigned

Valid INTEGER type specifications:

VARIANT variable type

The VARIANT variable type is determined by the data type of the last value assignment. If the

assigned or entered value starts with '-', '+', '.' or a number ('0'-'9'), then the value is interpreted

as numeric. In all other cases as a string.

It can be scanned using the ISNUM or ISSTR functions. The VARIANT type is mainly suited

to the purpose of writing either variable names or numerical values to the NC code.

The data type of variables can be checked:

Integer variable 32 bits in binary notation

Integer variable 16 bits in binary notation

Integer variable 8 bits in binary notation

Integer variable 32 bits in decimal notation signed

Integer variable 16 bits in decimal notation signed

Integer variable 8 bits in decimal notation signed

Integer variable 32 bits in decimal notation unsigned

Integer variable 16 bits in decimal notation unsigned

Integer variable 8 bits in decimal notation unsigned

Integer variable 32 bits in hexadecimal notation

Integer variable 16 bits in hexadecimal notation

Integer variable 8 bits in hexadecimal notation

Name of the variable whose data type is to be checked.

The result of the scan can be:

not a numerical variable (data type = STRING)

numerical variable (data type = REAL)

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