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LoRaWAN DELTA P - Guide utilisateur / User guide version V1.0.0
4.1.9 Alarm frame for analog input alarm 0-10 V
This frame (0x56) is sent when a threshold defined by the configuration of register 350 for the 0-10 V input alarm is exceeded.
0
Code
Status
0x56
Cf Status
FR
0x56
0xA3
Description of the frame:
•
Byte 2: Alarm status of the analog input 0-10 V
•
Bytes 3 and 4: 0-10 V measurement performed
EN
In the example in grey, this results in:
•
Byte 2 = 0x01, the alarm is active (a threshold is exceeded)
•
Bytes 3 and 4 = 0x11C6, i.e. 4550 in decimal form, i.e. 4 550 mV.
4.1.10
Digital Input alarm frame
This frame (0x51 for Digital Inputs/Outputs 1 or 0x52 Digital Inputs/Outputs 2 terminal block) is sent during the detection of a certain number
of events (determined by register S381 for the Digital Inputs/Outputs 1 and S383 for the Digital Inputs/Outputs 2).
0
Code
0x51 ou 0x52
0x51
Description of the frame:
• Byte 1: state of the digital input when sending the previous frame and state of the current of the digital input:
• Bit 1: state of the digital input when sending the previous frame
• 0: OFF / OPENED
• 1: ON / CLOSED
• Bit 0: current state of the Digital Input
• 0: OFF / OPENED
• 1: ON / CLOSED
• Bytes 3 and 6: Global counter of the Digital Input/output (automatically loops when the limit linked to the size of the counter is reached)
• Bytes 7 and 8: Instantaneous counter of the Digital Input (no automatic loop back, this will lock at 0xFFFF).
In the example in grey, this results in:
• Byte 0 = 0x51, so this concerns an alarm on the digital input/output 1
• Byte 2 = 0x01, which means that the last time a frame left the on the digital input/output 1 was not enabled (0) but this time it is (1).
• Byte 3 to 6 = 0x0000017E, i.e. 382 in decimal, which means that there have been 382 event detection since the device was started
• Bytes 7 to 8 = 0x0001, i.e. 1 in decimal, there has only been one event detection since the last frame was sent
4.1.11
Response frame to a registry value request via downlink
This frame (0x31) is transmitted following the reception of a downlink frame with code 0x40 (see section 4.2.6). It contains the values of the
registers requested in the 0x40 descending frame.
0
1
Code
Status
0x31
Cf Status
In this example: value 1 in response to CONF ID1 is a 2-byte register, value 2 in response to CONF ID2 is a 1-byte register and value 3 in res-
ponse to CONF ID3 is a 2-byte register.
If an error is detected in the request, the 0x31 frame returned will be empty.
1
2
Alarm status
0x01
1
2
Status
Status
Digital Input X
states
0xA3
0x01
2
3
VALUE1
VALUE1
VALUE2
3 - 4
PAYLOAD
Measurement 0-10V
0x11C6
3 à 6
PAYLOAD
Digital Input X global
counter
0x0000017E
4
5
...
PAYLOAD
VALUE3
VALUE3
7 et 8
Digital Input X instant counter
0x0001
11
X
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