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 - FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit > Assignment of input/output numbers (MELSEC-F series)
 
FAQ
Assignment of input/output numbers (MELSEC-F series)
How are the input/output numbers assigned? (MELSEC-F series)
    Answer
Octal numbers are assigned as input/output numbers for the MELSEC-F series.
The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to 27・・・from 70 to 77 → from 100 to 107.
  The octal number system uses the digits from 0 to 7 → from 10 to 17 → from 20 to 27・・・from 70 to 77 → from 100 to 107.
- Product Name
 - FX1S, FX1N, FX1NC, FX3S, FX3G, FX3GC, FX2N, FX2NC, FX3U, FX3UC
 
- Product Category
 - Main Unit, Engineering Software, GX Works2, GX Developer
 
- Series
 - MELSEC-F Series