Product Configuration Request Frame; Network Configuration Request Frame; Specific Register Value Request Frame - ADEUNIS sigfox MODBUS MASTER Guide Utilisateur

sigfox MODBUS MASTER - Guide utilisateur / User guide version V1.0.0

4.2.1 Product configuration request frame

This frame (0x01) allows to inform the product via the network that it must resend the product configuration uplink frame (0x10).
0 1
Code
0x01 X

4.2.2 Network configuration request frame

This frame (0x02) allows to inform the product via the network that it must resend the network configuration uplink frame (0x20).
0 1
Code
0x02 X

4.2.3 Specific register value request frame

This frame (0x41) allows to change the value of requested registers.
0 1
Code
0x40 CONFID1
Description of the frame:
• Bytes 1 to N : CONFIDX (8bits): indice of the register to be sent. The corresponding register is 300 + CONFIDX value.
For example, if CONFID1 = 20, the product will send back the value of register number 320.
The associated uplink frame has the code 0x31 (see paragraphe 4.1.5).
0 1
Code
0x31 Status
In this example: CONFID1 is a 2-byte register, CONFID2 a 1-byte register and CONFID3 a 2-byte register.
If an error is detected in the request, the returned 0x31 frame will be empty.
IMPORTANT : The user can specify several CONFIDs in his downlink frame but it is his responsibility to verify that according to the protocol the
size of the data available in a downlink frame will be large enough to contain all the desired data. Otherwise, the application will only send the
frst values.
2 3
X X
2 3
X X
2 3
CONFID2 CONFID3
2 3
VALUE1 VALUE1
4 5
PAYLOAD
X X
4 5
PAYLOAD
X X
4 5
PAYLOAD
X X
4 5
PAYLOAD
VALUE2 VALUE3
6 7
X X
6 7
X X
... 7
X CONFIDn
... 11
VALUE3 X
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