Data Register D - Mitsubishi Electric MELDAS C6 Programming Manual

5.3.8 Data Register D

(1) The data register is the memory that stores the data in the PLC.
(2) The data register has a 1-point 16-bit configuration, and can be read and written in 16-bit units.
To handle 32-bit data, two points must be used. The data register No. designated with the 32-bit
command will be the low-order 16-bit, and the designated data register No. +1 will be the
high-order 16-bit.
(Example) Use of the DMOV command is shown below.
Circuit example
0
Data storage
(3) The data that is stored once in the sequence program is held until other data is stored.
(4) The data stored in the data register is cleared when the power is turned OFF.
(5) Values that can be stored:
(6) Data registers D0 to D8191 are all user release data registers.
(Note) The range of D0 to D8191 is valid on the software version D0 and higher.
5. Explanation of Devices
5.3 Detailed Explanation of Devices
DMOV K8X0
D1
D0
Higth-order 16-bit
Low-order 16-bit
~
~
(X1F X10)
(XF X0)
Decimal -32768 to 32767
Hexadecimal 0 to FFFF
Decimal -2147483648 to 2147483647
Hexadecimal 0 to FFFFFFFF
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The X0 to 1F data is
D0
stored in D0,1.
} For 16-bit command (Using Dn)
For 32-bit command
}
(Using Dn+1, Dn)