Siemens SIMATIC S7-200 Handleiding bestuurder - Pagina 16
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Siemens S7-200 Driver
Data Types Description
Data
Description
Type
Boolean Single bit of a 16-bit value.*
Byte
Unsigned 8-bit value.
bit 0 is the low bit
bit 7 is the high bit
Word
Unsigned 16-bit value.
bit 0 is the low bit
bit 15 is the high bit
Short
Signed 16-bit value.
bit 0 is the low bit
bit 14 is the high bit
bit 15 is the sign bit
DWord
Unsigned 32-bit value.
bit 0 is the low bit
bit 31 is the high bit
Long
Signed 32-bit value.
bit 0 is the low bit
bit 30 is the high bit
bit 31 is the sign bit
Float
32-bit floating point value.
The driver interprets two consecutive registers as a floating-point value by making the second
register the high word and the first register the low word.
String
Null-terminated ASCII string
*For more information, refer to
Address
Descriptions.
www. ptc.com
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