Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 253)

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DMS 3.2 EN 02/2011 TD29 251
Data type lower limit upper limit Information
content Prefix Comment
BOOL FALSE TRUE 1 Bit x
b reserved
BYTE 8 Bit by Bit string, not
for arithm.
operations
WORD 16 Bit w Bit string, not
for arithm.
operations
DWORD 32 Bit dw Bit string, not
for arithm.
operations
LWORD 64 Bit lw not for arithm.
operations
SINT -128 127 8 Bit si
USINT 0 255 8 Bit usi
INT -32.768 32.767 16 Bit i
UINT 0 65.535 16 Bit ui
DINT -2.147.483.648 2.147.483.647 32 Bit di
UDINT 0 4.294.967.295 32 Bit udi
LINT -2 63 2 63 - 1 64 Bit li
ULINT 0 2 64 - 1 64 Bit uli
REAL 32 Bit r
LREAL 64 Bit lr
STRING s
TIME tim
TIME_OF_DAY tod
DATETIME dt
DATE date
ENUM 16 Bit e
POINTER p
ARRAY a
pointedly for BOOLean variables x is chosen as prefix, in order to differentiate from BYTE and also in
order to accommodate the perception of an IEC-programmer (see addressing %IX0.0).