Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 483

Processing details
• These instructions store the lower 4 bits of the (n) points of 16-bit binary data in the device specified by (s) in the 16-bit
device specified by (d).
b15 ∙∙∙ b4 b3 ∙∙∙ b0
(s)
(s)+1
(s)+2
(s)+3
(1) (2)
(1) Ignored.
(2) Data to be connected
• The upper bits (bits in the (4-n) nibble(s)) of data in the device specified by (d) are filled with 0s.
• Specify a value 1 to 4 for (n).
• When (n)=0, no processing is performed and the data in the device specified by (d) remain unchanged.
Operation error
Error code Description
(SD0)
3401H The value specified by (n) is out of the range, 0 to 4.
b15 b12 ∙∙∙ b11 ∙∙∙ b8 b7 ∙∙∙ b4 b3 ∙∙∙
(d)
b0
6 BASIC INSTRUCTIONS
6.6 Data Conversion Instructions
6
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