Mitsubishi Electric · MELSEC Q-series MELSECNET/H
A send failure is detected, pointing towards issues primarily with the physical layer of the network. This includes cabling, hardware integrity, or noise interference.
Click steps to track your progress.
Inspect network cables for physical damage, insulation breakdown, or incorrect wiring
Check for faulty network hardware components
Identify and mitigate sources of electrical noise near network cabling
Verify the presence and correct installation of terminating resistors in bus network configurations