01.09.2023, 10:02
Might be a damaged RS-485 transceiver on of the devices.
Communication errors can appear from time to time if the signal stability is on the edge. The usual recommendation is to connect GND between all devices, use bus wiring topology and connect a termination resistor if the bus is long.
Communication errors can appear from time to time if the signal stability is on the edge. The usual recommendation is to connect GND between all devices, use bus wiring topology and connect a termination resistor if the bus is long.