Vimar 03925, Руководство по установке

Страница: 7 / 26

7
Telegram transmission
The selection of the transmission mode is done using the CUSTOM_VARIANT register of the NFC configuration interface as described in chapter 6.7.8.
03925 supports the following user-defined sequences:
■
Three channels sequence
This sequence is similar to the default Advertising Event with the difference that the user can select the radio channels to be used. The three channels sequence
is described in chapter 3.3.1 below.
■
Two channels sequence
In this sequence the radio telegram is transmitted using four transmissions on two radio channels. It is described in chapter 3.3.2 below.
■
One channel sequence
In this sequence the radio telegram is transmitted using six transmissions on one radio channel. It is described in chapter 3.3.3 below.
3.3.1 Three channels sequence
The three channels radio transmission sequence is similar to the default transmission sequence.
The difference is that the radio channels (BLE Channel 37, 38 and 39 in the default transmission sequence) can be selected using the registers CH_REG1,
CH_REG2 and CH_REG3.
The 03925 telegram will in this mode be transmitted on the radio channel selected by CH_REG1 first, immediately followed by a transmission on the radio
channel selected by CH_REG2 and a transmission on the radio channel selected by CH_REG3.
This transmission sequence will be sent three times in total with pauses of 20 ms in between as shown in Figure 5 below.
CH_REG1 CH_REG2 CH_REG3
Pause
(20 ms)
CH_REG1 CH_REG2 CH_REG3
Pause
(20 ms)
CH_REG1 CH_REG2 CH_REG3
The format of CH_REG1, CH_REG2 and CH_REG3 is described in chapter 6.7.9.
3.3.2 Two channels sequence
The two channels radio transmission sequence removes transmission on the third radio channel (selected by CH_REG3) and instead repeats the transmission
once more (four times in total).
The 03925 telegram will in this mode be transmitted on the radio channel selected by CH_REG1 first, immediately followed by a transmission on the radio
channel selected by CH_REG2.
This transmission sequence will be sent four times in total with pauses of 20 ms in between as shown in Figure 6 below.
CH_REG1 CH_REG2
Pause
(20 ms)
CH_REG1 CH_REG2
Pause
(20 ms)
CH_REG1 CH_REG2
Pause
(20 ms)
CH_REG1 CH_REG2
The format of CH_REG1 and CH_REG2 is described in chapter 6.7.9.
3.3.3 Single channel sequence
The single channel radio transmission sequence removes transmission on the second and third radio channel (selected by CH_REG2 and CH_REG3 respec-
tively), i.e. all transmissions will be on the radio channel selected by CH_REG1.
The 03925 telegram will be sent six times on this radio channel with pauses of 20 ms in between as shown in Figure 7 below.
CH_REG1
Pause
(20 ms)
CH_REG1
Pause
(20 ms)
CH_REG1
Pause
(20 ms)
CH_REG1
Pause
(20 ms)
CH_REG1
Pause
(20 ms)
CH_REG1
The format of CH_REG1 is described in chapter 6.7.9.
Figure 5 – Three channels radio transmission sequence
Figure 6 – Two channels radio transmission sequence
Figure 7 – Single channel radio transmission sequence