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InSource Solutions

TN ITME107 InTouch vs InTouch Machine Edition: Tag Data Types

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Describes the differences in tag types between traditional InTouch and InTouch Machine Edition.


  • Author: Dillon Perera
  • Published: 05/29/2015
  • Applies to: InTouch and InTouch Machine Edition





English InTouch Machine Edition Traditional InTouch
True/False or 0/1 values Discrete Tag

1 bit.

0 or 1

Boolean Tag 0 or 1
Whole number values, such as 5, 10, -15 Integer Tag

32bit signed. 

–2,147,483,648 to 2,147,483,647

Integer Tag

32 bit signed.

–2,147,483,648 to 2,147,483,647

Numbers with decimal places, such as 1.5, 7.9430, and -3.0 Real Tag

64bit signed.

1.7E +/- 308 (15 digits)

Real Tag

Math done in 64bit, but stored as 32bit.

-3.4 x 1038 and 3.4 x 1038

Line of text, such as "Line of text" String

ASCII and Unicode.

up to 1024 characters



Up to 131 single byte characters