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LoRaWAN DRY CONTACTS - Guide utilisateur / User guide version V2.0.0
Description of the frame :
•
Byte 1: CONFID1 (8bits) : indice of the first register to change. The corresponding register is 300 + value of CONFIDX. For example, if
CONFID1 = 20, the product will change the value of register number 320.
•
Byte 2: value to assign to CONFID1 : in this example, its value has a size of 1 byte
•
Byte 3: CONFID2 (8bits) : indice of the second register to change. The corresponding register is 300 + value of CONFIDX.
•
Bytes 4 and 5: value to assign to CONFID2 : in this example, its value has a size of 2 bytes
•
...
The product does not return any uplink frame following the reception of a downlink frame 0x41. However, the Config bit of the status byte (see
section 4.1.1.2) will be set to 1 in the next scheduled uplink frame (periodic or alarm or keep alive frame) if all was well done.
IMPORTANT: the value 0xFF for a CONFIDX will stop the reading of the downlink frame. Only the bytes preceding this value 0xFF will be taken
into account. This mechanism can be useful when you need to work in fixed downlink frame lengths and you do not want to use all available
bytes.
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