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Chapter 4 control api – Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 User Manual

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Chapter 4 Control API | PCI-DMC-A01 / PCI-DMC-B01

Revised March, 2012

4-1

Chapter 4 Control API

4.1 Data Type and Range

Under the “inc\VC\” folder in the installation is a file named “TYPE_DEF.H”. The file defines
all the standard data types.

Table 4.1 below shows the types, names, meanings, and ranges defined in the file.

Table 4.1

Name

Description

Range

U8

8-bit ASCII character

0 to 255

I16

16-bit Signed Integer

-32768 to 32767

U16

16-bit Unsigned Integer

0 to 65535

I32

32-bit Signed Long Integer

-2147483648 to 2147483647

U32

32-bit Unsigned Integer

0 to 4294967295

F32

32-bit Single Precision Floating

Point

-3.402823E38 to 3.402823E38

F64

64-bit Double Precision Floating

Point

-1.797683134862315E308 to

1.797683134862315E309

Boolean

Boolean

TRUE, FALSE

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