Instructions for various interfaces of hand-held vibrating wire collector vh03

Hebei stability control technology handheld vibrating wire sensor VH03 Instructions for various interfaces of the acquisition instrument

 

Sensor interface
The sensor interface must use the measuring line specially equipped with the equipment , At one end DB9 One end is a plurality of crocodile clips distinguished by color , Line （ crocodile clip ） See “ Equipment composition and interface definition ” .

 

 

Charging and communication interface
VH03 standards-of-use USB Type-C The interface completes equipment charging and communication , Use an ordinary mobile phone line . Charge ： It can only be charged when the device is powered by lithium battery . When using non rechargeable batteries , Type-C Interface
The power supply will be ignored .
Communications ： The device has a built-in communication chip , After connecting the computer , New computers will appear UART equipment （COMx A serial port ）. UART The default communication parameter is ： 9600, N, 8, 1.
Be careful ： The standard Type-C There are at least 4 Root line , Some cables have only two power lines but no communication lines , These two cables with the same appearance should be identified and distinguished during use

U Plate and SD Card interface
U Plate and SD Card is used for data storage or data export , The interface is located on the top of the device . U Plug and unplug the disk directly ,SD The card is a one-way spring slot , Press once to access , Press again to eject .
File system standards ： FAT16、 FAT32 file system , Capacity 0~32GByte. Be careful ： Pull it out directly SD The card will cause permanent damage to the card slot .

RS485 Interface
The connection is based on RS485 Interface sensor 、 equipment .
The default parameter is ： 9600, N, 8, 1, The communication rate can be set to 9600~460800bps Meaning arbitrary value . notes ： RS485 The interface can only be connected to 485 sensor ,

Voice prompt interface
Depending on the model , VH03 The reader is divided into two audio prompts, buzzer and human voice prompt .
A device with human voice function , During the operation, broadcast the operation results or operation tips in the form of music or voice , for example “ The vibrating frequency is xxxx.x Hertz ”“ Data saved successfully ”“ Bluetooth is connected ”“ Export data
complete ”“U The disc has been pulled out ” etc. . notes ： The audio prompt function can be pressed 【 voice 】 Press the key to close or open .

 

bluetooth interface
Follow Bluetooth 4.2 Dual mode bluetooth module with standard protocol （Dual-Mode） Support at the same time BT3.0 Classic and BT4.2 BLE Pattern , Support Windows、 Linux、 Android、 iOS Data transmission and application of such systems .
Working frequency ： 2.4GHz Communication distance ： about 30 rice （ Open environment ）
Bluetooth name ： VH03 Pairing code ： 1234（ Default , Modifiable ）
Bluetooth interface supports three protocols , General standard MODBUS、 Self defined AABB and $ String instruction set . The following is just $ Character set instruction demonstration
Read the frequency value ： $GETP=80
Analog buttons ： $KEYx
x by 0~8, representative 9 A complete command of mechanical keys 、 Communication protocol 、 Register definition .

Radio frequency interface
Based on self built agreement Lora Radio frequency remote communication technology , Can be realized VH03 The device realizes wireless interaction with the upper computer . Embedded wireless passive sensor Protocol , Wireless passive sensors can be read wirelessly .
Working frequency ： 420~450MHz（ Default 433MHz, Parameters can be modified ）
Communication distance ： 5 km （ Open environment ）, It is suggested that 1 Use within kilometers .
Air speed ： 0.03~37.5kbps
Radio frequency LoRA It can be done with NLM300、 NLM500 Cooperate to realize the function of handheld wireless reader .