Communication Protocol; Converter Tp-11 Transmits The Following Types Of Packets - Vega Absolute TP-11 User Manual

Vega TP-11 / User Manual

5 COMMUNICATION PROTOCOL

This part describes the TP-11 data exchange protocol with LoRaWAN network.
In fields consisting of several bytes, the little-endian byte order is used

CONVERTER TP-11 TRANSMITS THE FOLLOWING TYPES OF PACKETS

1. Packet with current readings from connected heat meter, sent regularly or by the
request or by the one of "Reason of sending message" field events
Size in bytes Field description
1 byte Packet type, this packet == 1
1 byte Battery level, %
Over limits («0» – there is no, «1» - there is)
1 byte
Time of current readings in that packet (unixtime UTC)
4 byte
1 byte Current device temperature
2 bytes Current low threshold (mА*100)
2 bytes Current high threshold (mА*100)
1 byte Reason of sending message
1 byte TP-11 inputs/outputs state
2 bytes Measurement current of connected sensor (mA*100)
"Reason of sending message" field codes
Code Value
0x00 Sending packet by the time
0x01 By the security input 1 triggering
0x02 By the security input 2 triggering
0x03 External power state was change
0x04 Measurement is out of the specified limits
0x05 Transmitting by the request
"Inputs/outputs state" bit field decoding
Bits
0 bit
1 bit
2 bit
3 bit
4 bit
5 bit
6 bit
7 bit
Revision 09 08 April 2020
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Field description
Power (0 – battery, 1 – external)
Security input 1 (0 - unclosed, 1 – closed)
Security input 2 (0 - unclosed, 1 – closed)
Output 1 (0 – off, 1 – on)
Output 2 (0 – off, 1 – on)
reserve (always 0)
reserve (always 0)
reserve (always 0)
Data type
uint8
uint8
uint8
uint32
int8
uint16
uint16
uint8
uint8
uint16
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