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Vega NB-13 / User Manual
21
Revision 06 of 24 January 2022
"0": {
// The first reading operation
"f": 3,
// with ModBus functionality code 0x03
"a": 2056,
// at the ModBus register address 2056 in DEC format
"d": "00E30F7812345678" // Read data in HEX format - 8 bytes
},
"1": {
// The second reading operation
"f": 3,
"a": 4,
"d": "1110222033304440"
},
"2": {
// The third reading operation
"f": 3,
"a": 8,
"d": "5550666077778880"
},
…
"9": {
// The tenth reading operation
"f": 3,
"a": 36,
"d": "9990101020203030"
}
}
}
}
Transcription of the message fields:
Message – part with information about current message.
dev – name and version of the device firmware
IMEI – LTE-modem identifier
IMSI, ICCID – SIM-card (SIM-chip) identifiers
num – the number of the message
UTC – the date and the time of message sending in UTC format by Greenwich
CellStatus – part with information about the cellular state
TAC, CID – gateway identifiers
SQ – gateway signal quality
EARFCN – the number of radio frequency channel (absolute)
PCID – physical network address
RSRP – input signal power (in centibels
RSRQ – input signal quality (in centibels
1
)
RSSI – indicator of the input signal power (in centibels
1
)
SNR – signal to noise ratio
1
Decibel multiplied by 10