LARTET DC-24S, Руководство пользователя

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4-8 COMMUNICATION PROTOCOLS CHAPTER 4
DC-24 and DC-25 operation manual
4.4. TCP/IP, UDP/IP PROTOCOL
The display only accepts frames ending with a block ending it can see. (End of clock = Carry
return = 0Dh)
Local Port = 10001.
4.4.1. UDP protocol
To use the UDP protocol, the communication port must be programmed with the default
configuration
To use UDP/IP, the Local Port must be 10001
UDP Datagram Mode
Datagram Type must be 01.
Active Connection
Remote Host: IP address of the PC to which the display is connected.
Remote Port: Port of the PC to which the display is connected.
4.4.2. Read values from the display
To read the current temperature and humidity the following frame must be sent:
Code End of Block
Characters P T Carry return
Decimal 80d 84d 13d
Hexadecimal 50h 54h 0Dh
Response from the display
The response frame from the display is the following:
Code Temperature Space Humidity End of block
Characters P T TT.T HH Carry return
Decimal
80d 84d 32d 13d
Hexadecimal 50h 54h 20h 0Dh
Response block in protocols TCP/IP and UDP/IP. Example.
Frame returned by the display with values 24.7ºC and 63%
In protocol ModBus/TCP the characters PT are not returned
Code Temperature Space Humidity End of Block
Characters P T 24,7 63 Carry return
Decimal
80d 84d 50d 52d 44d 55d 32d 54d 51d 13d
Hexadecimal 50h 5h4 32h 34h 2Ch 37h 20h 36h 33h 0Dh