Explanation Of Memory Areas; Data Register (Dt) - Panasonic FP-E Programming Manual

Relays, Memory Areas and Constants
1.3

Explanation of Memory Areas

1.3.1

Data Register (DT)

Function of data registers (DT)
Data registers are memory areas which are handled in word (16−bit) units, and are used
to store data such as numerical data configured of 16 bits.
Bit position 15 1211
· · ·
0 0 0 1 1
DTn
Example of a program which writes a numeric value to DTn.
F0, MV, K0, DT n
When 32-bit (double word) data is handled in data registers, use two data registers as
a set. The number of the data register for the lower 16 bits is specified.
DTn+1
0 0 0 1 1 0 1 0
higher 16-bit area
1 - 44
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8 7 4 3 0
· · · · · ·
0 1 0 0 1 0 1 1 0 0 0
0 1 0 1 0 0 1 0 0 0
Decimal constant (K) or
hexadecimal constant (H)
DTn
0 1 1 0 1 0 0
lower 16-bit area
1 0 1 1 0 0 0