3 Data Exchange with the CPU Unit
3-4
CJ-series PROFIBUS Slave Unit Operation Manual for NJ-series CPU Unit (W510)
• For details on CJ Unit memory, variable allocation and user-defined variable registration, refer
to section How to Create Device Variables for CJ-series Unit and Sysmac Studio (Ver. 1.0)
Operation Manual (Cat. No. W504).
• For CJ1W-PRT21, the maximum amount of mapped I/O data is 100 words input + 100 words
output with the following restrictions that inputs + outputs must be 180 words or less.