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BMR3000

Three-Axis Accelerometer Three-Axis Magnetometer

High Accuracy 

Electronic Compass

2.1  

Read PITCH angle

   

Command:

77 04 00 01 05

2.2 

Read 

ROLL

 angle

    

Command

: 

77

 

04

 

00

 

02

 

06

Protocol

1Data Frame Format:

8 data bits,1 stop bit,No parity check,default baud rate 9600

Identifier

(1byte

0x77

Frame Length

(1byte)

Address Code

(1byte)

Command

(1byte)

Data

Checksum

(1byte)

(Xbyte)

Data Format

Hexadecimal

Identifier

Fixed to 77

Frame Length

Length from Frame Length to Checksum(included)

Address Code

Address of acquiring module, default 0x00

Data

Content and length variable according to Command

Checksum

Sum of Frame Length, Address Code, Command and Data. (Please pay attention 

that when the command or data changes, the checksum will change. )

Command Format

:

 

0x77

0x01

Command response:

0x77

0x81

SXXX.YY

0x07

Identifier

(1byte

Frame Length

(1byte)

Address Code

(1byte)

Command

(1byte)

Data

(0byte)

Checksum

(1byte)

Identifier

(1byte

Frame Length

(1byte)

Address Code

(1byte)

Command

(1byte)

Data

(3byte)

Checksum

(1byte)

Note: 

Data represents 

4

 byte angle value in format of compressed BCD code. S is the sign bit (0 means positive, 

1 means negative), XXX is the three digit integer part, YY is the fractional part. The Data of other axis is the same 

format. For example, 10

 

2

6 87

 

means -02

6.8

7 °

.

0x04

0x05

0x77

0x02

Command response:

0x77

0x82

SXXX.YY

0x07

Identifier

(1byte

Frame Length

(1byte)

Address Code

(1byte)

Command

(1byte)

Data

(0byte)

Checksum

(1byte)

Identifier

(1byte

Frame Length

(1byte)

Address Code

(1byte)

Command

(1byte)

Data

(3byte)

Checksum

(1byte)

0x04

0x06

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www.bwsensing.com

    Tel: +86 510 8573 7158

 Bewis

 

Sensing

 

Technology

 

LLC

     

 www.bwsensing.com      Tel

+

86

 

189 0617 7922

Содержание BMR3000 Series

Страница 1: ...BMR3000 Serials Three Axis Accelerometer Three Axis Magnetometer High Accuracy Electronic Compass Technical Manual...

Страница 2: ...cifically designed to improve the static measurement accuracy of magnetic compasses For fixed interference the BMR3000 can still maintain high measurement accuracy It can be customized according to cu...

Страница 3: ...accuracy magnetic calibration RS232 485 TTL optional 50Hz 3s 100g Package size L107 x W38 x H25 mm Bare size L75 x W30 5 x H10 mm Yes Yes Yes 0 01 0 1 0 1 0 05 0 01 2400 115200 Baud rate 2000g 45 0 5...

Страница 4: ...square RMS of the measured angle of the sensor 16 times Mechanical Characteristic Connector Protection level Shell material Installation Aviation joint standard cable is 1 5m IP67 Magnesium alloy anod...

Страница 5: ...that the sensor is exposed to the earth s magnetic field and avoid using it near ferromagnetic materials and changing magnetic fields Such as engines iron plates iron bolts and nuts wires motors speak...

Страница 6: ...phones during calibration 2 Connect the product to the system and put it in a horizontal state within 5 3 Open the serial debugging assistant and send the start calibration command in hexadecimal form...

Страница 7: ...CC DC 9 35V BLUE 2 NC BLACK 3 GND GREEN 4 RXD B D YELLOW 5 TXD A D Sensor 1 3 7 RED VCC DC 9 35V 485A 485 485B 485 GND Electronic compass 1 3 4 5 GREEN Electrical connections s Cable color function YE...

Страница 8: ...data changes the checksum will change 2 Command Format 0x77 0x01 Command response 0x77 0x81 SXXX YY 0x07 Identifier 1byte Frame Length 1byte Address Code 1byte Command 1byte Data 0byte Checksum 1byte...

Страница 9: ...bytes For example the return command is 77 0D 00 84 10 26 80 00 33 65 03 13 71 66 where Pitch is 10 26 80 Roll is 00 33 65 Heading is 03 13 71 For the three bytes of the return value for each angle t...

Страница 10: ...mand 77 04 00 07 0B Command response 0x87 0x77 0x07 0 0x x7 77 7 Identifier 1byte Frame Length 1byte Address Code 1byte Command 1byte Data 0byte Checksum 1byte Identifier 1byte Frame Length 1byte Addr...

Страница 11: ...de is 00 when setting 100HZ output frequency Set baud rate to 115200 in high speed mode 0x05 Command response 0x1F 0x77 0x1F 2 9 Query address Command 77 04 00 1F 23 0 0x x7 77 7 Identifier 1byte Fram...

Страница 12: ...red on and the product can effectively receive the external setting command 0x77 0x8C 0x00 success 0xFF failure 0x05 Identifier 1byte Frame Length 1byte Address Code 1byte Command 1byte Data 1byte Che...

Страница 13: ...ethod JF 1059 1999 Evaluation and Expression of Measurement Uncertainty GBT 14412 2005 mechanical vibration and shock mechanical installation of accelerometer General requirements for GJB 450A 2004 eq...

Страница 14: ...is Magnetometer High Accuracy Electronic Compass Wuxi Bewis Sensing Technology LLC Address Building 30 No 58 Xiuxi Road Binhu District Wuxi City Hotline 400 618 0510 Tel 86 510 85737178 801 Email sale...

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