The environment sensor device cannot be connected to the PLC or computer #
Possible reason:
1) The computer has multiple COM ports, and the selected port is incorrect.
2) The device address is wrong, or there are devices with duplicate addresses (the factory default is all 1).
3) Baud rate, check mode, data bit, stop bit error.
4) The 485 bus is disconnected, or the A and B lines are reversed.
5) If the number of devices is too large or the wiring is too long, power supply should be provided nearby, 485 repeaters should be added, and 120Ω terminal resistance should be added at the same time.
6) The USB to 485 driver is not installed or damaged.
7) The equipment is damaged.
Environment sensor no output or output error #
Possible reason:
1) The wrong range corresponds to the PLC calculation error.
2) The wiring method is incorrect or the wiring sequence is wrong.
3) The power supply voltage is wrong (for the 0~10V type, it is 24V power supply).
4) The distance between the transmitter and the collector is too long, causing signal disorder.
5) The PLC acquisition port is damaged.
6) The equipment is damaged.
