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WMBUS Pulse - Guide utilisateur / User guide version V2.2.0
Description of the frame:
•
Byte 2 : Alarms state (bit to 1 if the alarm is activated else 0) :
•
Bit 0 – Exceeding flow on channel A
•
Bit 1 – Exceeding flow on channel B
•
Bit 2 – Tamper detected on channel A
•
Bit 3 – Tamper detected on channel B
•
Bit 4 – Leak detected on channel A
•
Bit 5 – Leak detected on channel B
FR
•
Bit 6/7 – Reserved
•
Bytes 3 to 4 : maximum measured flow on channel A within the last 24 hours.
•
Bytes 5 to 6 : maximum measured flow on channel B within the last 24 hours.
•
Bytes 7 to 8 : minimum measured flow on channel A within the last 24 hours.
•
Bytes 9 to 10 : minimum measured flow on channel B within the last 24 hours.
In the example in grey this gives:
EN
•
Byte 2 : Alarms = 0x19 so (00011001) binary which gives:
•
Bit 0 = 1 – Exceeding flow on channel A
•
Bit 1 = 0 – No exceeding flow on channel B
•
Bit 2 = 0 – No tamper detected on channel A
•
Bit 3 = 1 – Tamper detected on channel B
•
Bit 4 = 1 – Leak detected on channel A
•
Bit 5 = 0 – No leak detected on channel B
•
Bit 6/7 – Reserved
•
Bytes 3 à 4 : maximum measured flow on channel A within the last 24 hours= 0x310A so 12,554 pulses per hour.
•
Bytes 5 to 6 : maximum measured flow on channel B within the last 24 hours= 0x12C4 so 4,804 pulses per hour..
•
Bytes 7 to 8 : minimum measured flow on channel A within the last 24 hours= 0x0010 so 16 pulses per hour..
•
Bytes 9 to 10 : minimum measured flow on channel B within the last 24 hours= 0x0000 so 0 pulse per hour..
As a reminder, the alarms are automatically deactivated after the daily frame is sent.
4.2.5 Data Frame
This frame (0x46) is transmitted at the frequency defined in register S301.
0
Code
0x47
0x47
Its size is of 10 bytes.
Description of the frame:
•
Bytes 2 to 5: counter value for channel A when transmitting the frame
•
Bytes 6 to 9: counter value for channel B when transmitting the frame
In the example in grey this gives:
•
Bytes 2 to 5 : counter channel A = 0x00015C4F so 89,167 pulses
•
Bytes 6 to 9 : counter channel B = 0x0000F74A so 63,306 pulses
1
Status
Cf Status
Counter - channel A
0xA2
2 to 5
PAYLOAD
Counter - channel B
0x00015C4F
6 to 9
0x0000F74A
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