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LoRaWAN AS-923 Pulse - Guide utilisateur / User guide version V1.0.0
Description of the frame:
•
Bytes 2 and 3 : register 330, number of daily periods under leak threshold (channel A)
•
Bytes 4 and 5 : register 331, number of daily periods under leak threshold (channel B)
In the example in grey this gives:
•
Bytes 2 and 3 : S330=0x0003, number of daily periods under leak threshold for channel A is set to 3
•
Bytes 4 and 5 : S331=0x0005, number of daily periods under leak threshold for channel B is set to 5
4.1.3 Frame of information on the network configuration
Following reception of a downlink frame with the code 0x02 or on switching to the operating mode (from the Park or Command Mode), the
next frame (0x20) representing the network confguration of the product is transmitted:
0
Code
0x20
Cf Status
0x20
Its size is of 4 bytes.
Description of the frame:
•
Byte 2 : register S220 : Activation of Adaptative Data Rate
•
Byte 3 : register S221 : connexion mode
In the example in grey this gives:
•
Byte 2=0x05 : Adaptative Data Rate is activated
•
Byte 3=0x01 : connexion mode is OTAA
4.1.4 Keep Alive frame
This frame (0x30) is trasmitted 24 hours after the startup of the application or after the transmission of the previous Keep Alive frame. In TEST
mode, this frame is transmitted every 5 minutes.
0
1
Code
Status
0x30
Cf Status
0x30
0xA3
Its size is of 11 bytes.
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
•
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.
1
2
Status
S220
0xA3
0x05
2
Alarms
0x19
3
PAYLOAD
S221
0x01
3 - 4
5 - 6
PAYLOAD
Max flow - chan-
Max flow - chan-
nel A
nel B
0x310A
0x12C4
7 - 8
9 - 10
Min flow - chan-
Min flow -
nel A
channel B
0x0010
0x0000
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