- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-F Series > Accessories > Connection of FX-20P and FX3U series
FAQ
- Inquiries
Questions
Connection of FX-20P and FX3U series
When FX-20P is connected to FX3U series and online mode is selected, an HPP communication error occurs.
- Category :
Answer
When an entry code (2nd entry code) registration is set in the FX3U series, such error can occur.
- Product Name
- MELSEC-F Series
- Product Category
- FX3U, FX3UC
- Series
- Option, Accessories