Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual page 166

• The following range is valid. R16MTCPU: Axis No.1 to 16, R32MTCPU: Axis No.1 to 32.
• The following device area can be used as a user device. R16MTCPU: 17 axes or more, R32MTCPU: 33
axes or more. However, when the project of R16MTCPU is replaced with R32MTCPU/R64MTCPU, or the
project of R32MTCPU is replaced with R64MTCPU, this area cannot be used as a user device.
• Refer to monitor device of each axis for details of monitor device 2 of each axis (#8000 to #8639).
(Page 91 Axis monitor devices)
2 POSITIONING DEDICATED SIGNALS
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2.3 Motion Registers (#)