Sontex Supercom 636 - Detailed Errors Interpretation; Status Byte Interpretation

Manual Supercom 636 R+W rev. 010312 11
Keys
Optional record
xx Value LSByte first
yy
Value MSByte first
ch
ASCII character
cs
er er
Detailed errors
636 M-Bus standard
bit0
† Tamper
bit1
Accumulators low Battery low
bit2
† External alarm
bit3
† Battery cut
bit7..4 † RSSI
bit8 SND_UD frame: unknown CI.
bit9 SND_UD frame, structured write: unknown field.
bit10 †
bit11
SND_UD frame, structured write: bad field size.
bit12 SND_UD frame, structured write: memory overflow.
bit13
†
bit14 Invalid time clock
bit15
Last radio process error
Le
Ls
Length of ASCII character string
Warning: according to the M-Bus standard, the first byte following the length byte is
the rightmost character of the string, and the last byte is the leftmost character.
mo More records in next telegram :
0Fh no
1Fh yes
pp Parameter flags
bit0
When the selected device is in the device list, but not yet read :
0: send an ""empty"" RSP_UD (with just the 12 bytes header)
1: do not send anything
st Status
636 M-Bus standard
bit1..0 Application Application
00b
No error No error
01b † Application busy
10b Any application error Any application error
11b
† Reserved
bit2 Accumulators low Power low
bit3 † Permanent error
bit4 † Temporary error
bit5 † Manufacturer specific
bit6
Invalid time clock Manufacturer specific
bit7 Last radio process error Manufacturer specific
† Not used.
The value of Check Sum is calculated from arithmetical sum modulo 256 of each byte of
the frame except the fields: Start, Length (if any), Check Sum and Stop.
Length of the M-Bus frame. The fields Start, Length, Check Sum and Stop (6 bytes) are
not included in the calculation of the Length field. The Length field is repeated twice
preceded and followed by the Start field 68h.