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...

A message split over three Uplinks

Panel

#

...

An

...

Uplink

...

of

...

8

...

Bytes

...

on

...

Port

...

101,

...

Frame

...

Counter

...

519:

...


'01005e53f31a0102'

...


'01'

...

->

...

First

...

Uplink

...

of

...

Message,

...

more

...

Uplinks

...

follow

...


'05e53f31a0102'

...

->

...

First

...

Part

...

of

...

Message

...

Data.

...


#

...

Another

...

Uplink

...

of

...

8

...

Bytes

...

on

...

Port

...

101,

...

Frame

...

Counter

...

520:

...


'0003040506070809'

...


'00'

...

->

...

Middle

...

Part

...

of

...

Message,

...

there

...

have

...

been

...

some

...

Parts

...

already,

...

more

...

Uplinks

...

follow

...


'03040506070809'

...

->

...

Second

...

Part

...

of

...

Message

...

Data.

...


#

...

Another

...

Uplink

...

of

...

7

...

Bytes

...

on

...

Port

...

101,

...

Frame

...

Counter

...

521:

...


'020a0b0c0d0e0f'

...


'02'

...

->

...

Last

...

(but

...

not

...

first)

...

Uplink

...

of

...

Message.

...


'0a0b0c0d0e0f'

...

->

...

Third

...

and

...

final

...

Part

...

of

...

Message

...

Data.

...


#

...

Frame

...

Counters

...

are

...

consecuetive,

...

so

...

the

...

complete

...

Message

...

is:

...


'05e53f31a0102030405060708090a0b0c0d0e0f'

...


Missing a Part


Panel

#

...

An

...

Uplink

...

of

...

8

...

Bytes

...

on

...

Port

...

101,

...

Frame

...

Counter

...

123:

...


'01005e53f31a0102'

...


'01'

...

->

...

First

...

Uplink

...

of

...

Message,

...

more

...

Uplinks

...

follow

...


'05e53f31a0102'

...

->

...

First

...

Part

...

of

...

Message

...

Data.

...


#

...

Another

...

Uplink

...

of

...

7

...

Bytes

...

on

...

Port

...

101,

...

Frame

...

Counter

...

125:

...


'020a0b0c0d0e0f'

...


'02'

...

->

...

Last

...

(but

...

not

...

first)

...

Uplink

...

of

...

Message.

...


'0a0b0c0d0e0f'

...

->

...

Third

...

and

...

final

...

Part

...

of

...

Message

...

Data.

...


#

...

Frame

...

Counter

...

indicates,

...

that

...

a

...

Part

...

in

...

the

...

middle

...

is

...

missing,

...


#

...

so

...

we

...

have

...

to

...

drop

...

the

...

Message.

...


Data Packet (Format 2)

Upload Format 2 works like Upload Format 1, with the same logic for splitting messages, but uploads are sent on Port 102. The Payload consists of a 5 Byte Timestamp marking the time of reception, followed by a uint_8 that holds the (negated) RSSI value for that reception, followed by the Data of the Telegram.

Examples

Panel

#

...

An

...

Uplink

...

of

...

22

...

Bytes

...

on

...

Port

...

102:

...


'03005e53f31a3f0102030405060708090a0b0c0d0e0f'

...


#

...

Analised:

...


'03'

...

->

...

First

...

and

...

Last

...

Uplink

...

of

...

Message

...

->

...

complete

...

Message

...

in

...

this

...

Uplink

...


'005e53f31a'

...

->

...

Unix

...

Timestamp

...

1582560026

...

->

...

2020-02-24T16:00:26

...

UTC

...


'3f'

...

->

...

63

...

->

...

RSSI

...

of

...

wMBus

...

reception

...

=

...

-63

...


'0102030405060708090a0b0c0d0e0f'

...

->

...

wMBus

...

Telegram

...


Upload Speed / Duration

The bridge has to work in compliance with the European SRD 868 1% duty-cycle regulations. This implies as a rule of thumb the device can upload at most wMBUS telegrams via LoRaWAN for 36 seconds every hour.

...

Update of Configuration parameters is documented in our LoRaWAN downlink messages documentation.

Ad-hoc readout

Info
titleNote

Needs firmware version higher than v2.4.0


Triggers an Ad hoc readout, independent of CRON triggers. The Ad-hoc readout is using the same parameters as a CRON triggered readout.

...