Chengdu Ebyte Electronic Technology Co.,Ltd.
User Manual
Copyright ©2012–2020
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Chengdu Ebyte Electronic Technology Co.,Ltd.
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4.2 Reading and changing the basic parameters of the product.......................................................................... 28
4.2.1 Product hardware connection and COM port selection......................................................................28
4.2.2 Reading the basic parameters of the product......................................................................................29
4.2.3 Serial port parameter change, write and restore default..................................................................... 30
4.3 I/O configuration Parameter reading, description and writing......................................................................31
4.3.1 I/O configuration parameter reading...................................................................................................31
4.3.2 I/O configuration Parameter description............................................................................................ 31
4.3.3 I/O configuration parameter writing...................................................................................................33
4.4 Mode configuration Parameter reading, description and writing..................................................................33
4.4.1 Mode configuration Parameter read................................................................................................... 31
4.4.2 Mode configuration and parameter description..................................................................................34
4.4.3 One-to-one configuration write ...........................................................................................................38
4.4.4 One-to-many (with reply) configuration write................................................................................... 39
4.4.5 One-to-many (no reply) configuration write ...................................................................................... 40
4.4.6 Channel self-organization and configuration write............................................................................ 42
4.4.7 Transparent transmission of the first communication method: open and write the data remote
transmission function................................................................................................................................... 45
V.Parameter reading, description and writing of the second communication method................................................ 46
5.1 The second communication method: LoRa................................................................................................... 46
5.1.1 LoRa parameter reading......................................................................................................................46
5.1.2 LoRa parameter description................................................................................................................46
5.1.3 LoRa parameter configuration writing............................................................................................... 47
5.1.4 LoRa configuration parameter range.................................................................................................. 48
IV. ModBus...................................................................................................................................................................48
6.1 ModBus Address Table.................................................................................................................................. 48
6.1.1 Function code and register address table............................................................................................48
6.1.2 Change ModBus address.....................................................................................................................48
6.1.3 Read digital DI input...........................................................................................................................49
6.1.4 Read switch DO output status.............................................................................................................49
6.1.5 Control switch DO output...................................................................................................................50
VII. Precautions for use................................................................................................................................................50
VIII. FAQ..................................................................................................................................................................... 50
8.1 General question.............................................................................................................................................50
8.1.1 How to test after getting the product?.................................................................................................50
8.1.2 Module power supply requirements................................................................................................... 51
8.1.3 The RUN light of the module does not light up................................................................................. 51
8.1.4 The device cannot be searched by the configuration software...........................................................51
8.1.5 The communication between the two modules is unsuccessful, But the NET light of two modules
does not light up...........................................................................................................................................52
8.1.6 The communication between the two devices is unsuccessful, but the NET light is always on....... 52
8.2 LoRa related questions...................................................................................................................................52
8.2.1 LoRa communication, what should be paid attention to?.................................................................. 52
8.2.2 LoRa communication, what is the actual communication distance of the 4KM or 8KM module?...52
8.2.3 How should the antenna be placed..................................................................................................... 53
