LG PAHCNM000, Инструкция для владельца и по установке

Страница: 40 / 51

40
HMI SETTINGS
ENGLISH
8. Error Display
• If an error occurs while the air conditioner is operating, an error indication will appear on the
HMI screen.
• It is displayed along with an error code.
• Refer to the 'Self-diagnosis Function' section of the appendix for detailed error information
for the air conditioner.
• For outdoor unit error information, refer to the error code for each product group.
• The following is the protocol provided for connecting external devices to Modbus.
- Physical Layer: RS-485 Serial Line
- Mode: MODBUS RTU Mode
- Baud Rate: 9 600
- Parity: None Parity
- 1 Stop Bit
- Applied Function Code
Refer to the Modbus protocol in the appendix.
Function Code Sub Function Function Name
Start Address form
Master Device
0x01 None Read Coil Register Address-1
0x02 None Read Discrete Input Register Address-10001
0x03 None Read Holding Register Address-40001
0x04 None Read Input Register Address-30001
0x05 None Write Single Coil Register Address-1
0x06 None Write Single Holding Register Address-40001
0xF1~FF
Reserved for
Exception Code