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- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Main Unit > I/O structure error in the MELSEC-F
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- Inquiries
I/O structure error in the MELSEC-F
M8060 (I/O structure error) turns on in the MELSEC-F series and 1020 is stored in D8060.
What does that mean?
What does that mean?
Answer
When an unimplemented input (X) or output (Y) number is used in a program, M8060 turns on.
The first to third digits of the numerical value stored in D8060 indicate the device number.
The first to third digits of the numerical value stored in D8060 indicate the device number.
The fourth digit indicates the I/O type as input (1) or output (0).
When the numerical value is 1020, the inputs X20 and later used in a program are not implemented.
When the numerical value is 1020, the inputs X20 and later used in a program are not implemented.
- Product Name
- FX1S, FX1N, FX1NC, FX2N, FX2NC, FX3S, FX3G, FX3GC, FX3U, FX3UC
- Product Category
- Main unit, Engineering Software, GX Developper, GX Works2
- Series
- MELSEC-F series
