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DESCRIPTIONDESIG.DATE
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4.4.7 Numeric variable data
These are output signals to specify numeric variable data.
Address Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Y+24 VDATA0: The first byte of the numeric variable data
Y+25 VDATA1: The 2nd byte of the numeric variable data
Y+26 VDATA2: The 3rd byte of the numeric variable data
Y+27 VDATA3: The 4th byte of the numeric variable data
Y+28 VDATA4: The 5th byte of the numeric variable data
Y+29 VDATA5: The 6th byte of the numeric variable data
Y+30 VDATA6: The 7th byte of the numeric variable data
Y+31 VDATA7: The 8th byte of the numeric variable data
-The numeric variable data is continuously stored from VDATA0. The number of bytes used is
specified with VDTLN0-4.
-The numeric variable data is a Little endian form (Intel form). The numerical value is
sequentially stored from the digit below.
(Example) Numeric type = Unsigned binary form, The length(bytes) of numeric variable data =
4,
Numeric variable data = 123456 (Decimal)
= 1E240 (Hexadecimal)
Value(Hexadecimal
)
VDATA0 40
VDATA1 E2
VDATA2 01
VDATA3 00
Numeric type = BCD form, The length(bytes) of numeric variable data = 4,
Numeric variable data = 123456 (BCD)
Value(Hexadecimal
)
VDATA0 56
VDATA1 34
VDATA2 12
VDATA3 00
-When numeric type (VTYPE0-1) is "Custom macro variable", Mantissa is stored in VDATA0-
3(four bytes), exponent is stored in VDATA4-5(two bytes).
02 2001.8.20 Hanaoka This page is added.