Delta Electronics DELTA DUP-B - Manual (Page 318)

Chapter 3 Creating and Editing Screens
Revision May, 2010 3-297
After macro command is selected, the user can click on Variable button to determine
the necessary variables (Var1 ~ Var4) (Fig. 3-14-30, Fig. 3-14-31).
Fig. 3-14-30 Fig. 3-14-31
Fig. 3-14-32 Double Word and Signed options
Unsigned
A unsigned value is a numeric value without polarity,
Signed
A signed value is a numeric value with polarity, which
is used to represent both positive and negative values.
A byte, word or double-word can be signed.
WORD
A word consists of 16 bits of continuous data. This is
used to represent 16 bits of data or 0x0000 to 0xFFFF
hexadecimal or 0 to 65535 decimal.
DW, DWORD
(DOUBLE WORD, DWORD)
A double-word consists of 32 bits of continuous data.
This is used to represent 32 bits of data or 0x000000
to 0xFFFFFF hexadecimal or 0 to 4,294,967,295
decimal.
Table 3-14-2 Macro Definition