Note: For XD5 firmware version V3.5.3 and above, data register D ranges from D0 to
D69999; XD5 firmware version of V3.5.2 and below, and data register D ranges from D0 to
D59999.
Data register is used to store data; it includes 16 bits(the higheset bit is sign bit) and 32 bits.
(32 bits contains two registers, the highest bit is sign bit)
16-bits register range is -32,768 ~ +32,767
Read and write the register data through instruction or other device such as HMI.
32 bits value is consisted of two continuous registers. The range is -2147483648 ~
2147483647. For example: (D1 D0) D1 is high 16 bits, D0 is low 16 bits.
For 32 bits register, if the low 16-bits are appointed, such as D0, then D1 will be the high 16
bits automatically. The address of low 16-bits register must be even number.
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