Chapter 4 control api – Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 User Manual
Page 155

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