Xylem sensus PolluStat User Manual page 18

DIB Field
0 Message format
1 Heat energy E1
/ Cooling Energy
E3
2 Cooling Energy
E3*
3 Volume
4 Meter date/time
6 Meter ID
7 Error flags
* Cooling Energy E3 field is only valid in a combined heat/cooling meter for message format Sensus. Else the
function field of the DIF is set to "value during error state" to indicate that the value is not valid.
Size Data type
1 byte -
6-7 bytes INT32
7-8 bytes INT32
6 bytes INT32
6 bytes INT32
6 bytes According to
M-Bus EN13757-3
identification field
4 bytes INT8
Description
0x2C (Sensus, telegram 1)
Energy consumption (Wh, J, Cal, MBTU)
0406xxxxxxxx = MWh, 3 decimals = kWh
040Exxxxxxxx = GJ, 3 decimals
04FB0Dxxxxxxxx = Gcal, 3 decimals
04863Dxxxxxxxx = MMBTU, 3 decimals
Energy consumption (Wh, J, Cal, MBTU)
841006xxxxxxxx = MWh, 3 decimals = kWh
84100Exxxxxxxx = GJ, 3 decimals
8410FB0Dxxxxxxxx = Gcal, 3 decimals
8410863Dxxxxxxxx = MMBTu, 3 decimals
Volume (m )
3
0413xxxxxxxx = m , 3 decimals
3
Meter date and time (YY-MM-DD HH:MM)
046Dxxxxxxxx
Bit 31-28 = Year-high*
Bit 27-24 = Month
Bit 23-21 = Year-low*
Bit 20-16 = Day
Bit 15 = Summer time flag**
Bit 14-13 = Century
Bit 12-8 = Hour Bit 7 = Error flag
Bit 6 = Reserved for future use***
Bit 5-0 = Minute
*The year is read by combining the year-high and
year- low field. For example, year-high = 0010 and
year-low = 010 => year = 0010010
**0 = standard time, 1= daylight-saving time
***0 = timestamp is valid, 1 = timestamp is not
valid
Meter ID
0C78xxxxxxxx
Error and warning flags
01FD17xx
Table 17: Message format Sensus, heat meter telegram
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