Xylem sensus PolluStat User Manual page 16

additional meter timestamp. Like all Scheduled message formats, the meter is read at full hour.
A detailed description of the payload in the message format is presented in Table 15.
DIB Field
0 Message format
identifier
1 Heat energy E1 /
Cooling Energy E3
2 Volume
3 Power / Flow
/ Fw temp / Rt
temp
4 Meter ID / Info bits 9 bytes
5 Meter date/time
6.6.2.7 Combined heat/cooling
Message format Combined heat/cooling is made to be used in meters that measures both heating and cooling
energy.
Table 13 lists the indexes included in this message format.
Size Data type
1 byte -
6-7 bytes INT32
6 bytes INT32
12 bytes INT64
INT48
6 bytes INT32
Description
0x28 (Scheduled-Extended)
Energy consumption (Wh, J, Cal, MBTU)
0406xxxxxxxx = MWh, 3 decimals = kWh
040Exxxxxxxx = GJ, 3 decimals
04FB0Dxxxxxxxx = Gcal, 3 decimals
04863Dxxxxxxxx = MMBTU, 3 decimals
Volume (m )
3
0414xxxxxxxx = m , 2 decimals
3
Byte 0-2 = DIF/VIF codes, 0x07FFA0 Byte 3 = Scaling of
Power/Flow
-Bit 6.4 (n), 10 W, n = 0..7
n-3
-Bit 2..0 (m), 10 m
m-3
Byte 4-5 = Fw temp (lsByte -> msByte), °C, 2 decimals
Byte 6-7 = Rt temp (lsByte -> msByte), °C, 2 decimals
Byte 8-9 = Flow (lsByte -> msByte), 10
Byte 10-11 = Power (lsByte -> msByte), 10
06FF21xxxxyyyyyyyy
xxxx = Info bits (lsByte -> msByte) yyyyyyyy = Meter ID
(lsByte -> msByte)*
*Sent in binary format
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 = Summertime flag**
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
Table 15: Message format Scheduled - Extended
/h, m = 0..7
3
m /h
m-6 3
W
n-3
16