MKS MF1 - Protocol (Human Readable Protocol); Receive Telegram; Send Telegram

Chapter 5: Process Interfaces
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Protocol (“Human Readable Protocol”)
The Human Readable Protocol (ASCII) is small and easy to use by manual operation via a
terminal. It could be easily implemented at a host with a common (UART) serial
interfaces.
Send telegram
Byte1 2 3 4 5 6 7 8 9 10 11 12/5
@ 0 1 C 1 . 0 0 0 0 0 CR
Adr Cmd Val (optional) End
Ard: Device address
Cmd: Command (see command list
)
Val: Optional numeric value for the executed command. For fixed protocol
length fill this value with zero.
End: Protocol end character CR (hex: 0x13)
Receive telegram
Byte1 2 3 4 5 6 7 8 9 10 11 12
@ - - F 1 . 0 0 0 0 0 CR
Str Err Vlv Cmd Val End
Str: Start Character, always @
Err: Error Sign
'-' = No error
'E' = an MF1 error Occurred
'U' = an Communication error occurred
'B' = an MF1 and Communication error occurred
Val: Valve Override Mode
'N' = Normal
'C' = Close
'P' = Purge
Cmd: Received value Format