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- FAQ > Controllers > Programmable Controllers MELSEC > Network related products > RS-485 connection between QJ71C24N and an external device
FAQ
RS-485 connection between QJ71C24N and an external device
How can I connect QJ71C24N(-R4) to the 2-wire RS-485 interface on an external device?
- Category :
Answer
Short between SDA and RDA and between SDB and RDB, and then connect them to + (Data-A) and - (Data-B) on the external device.
- Product Name
- Network Related Products
- Series
- Computer Link / Serial Communication