Bronkhorst DeviceNet slave interface Manual do Utilizador descarregar pdf (Página 18)

BRONKHORST®

Page18DeviceNetinterface   9.17.026

3.3.9 ElementarydataTypes

Thissectiondescribesthedatatypespecificationsyntaxes,datatypevaluerangesandoperationsthatcanbe

performedonthedefineddatatypes.



Table2‐18:SUBSETOFELEMENTARYDATATYPES

Keyword Description Minimumrange Maximumrange

BOOL Boolean 0 1

SINT ShortInteger‐128 127

INT Integer‐32768 32767

USINT UnsignedShortInteger 0 255

UINT UnsignedInteger 0 65535

UDINT UnsignedDoubleInteger 0 2^32‐1

REAL FloatingPoint IEEE754singlefloatingpoint

DATE Dateonly D#1972‐01‐01 D#2151‐06‐06(65536days)

BYTE Bitstring–8bits 

WORD Bitstring

–

16bits

STRING Characterstring(1bytepercharacter) SeeIEC1131‐3

SHORT_STRING Characterstring(1bytepercharacter,

1bytelengthindicator)

SeeIEC1131‐3

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