Data Sheet

Operation Instruction of LS-FOG-02 Optical Fiber Gyroscope V1.0 Confidential level: Open
2018-04-24 Leishen Intelligent System Co., LTD. Page 7 of 10
2.6.2 Electrical interface
The connector connecting the internal and external parts is J30v2-9TJW. See Table 4 for its
definition.
Table 4 Definition of Connector Point of LS-FOG-02 Biaxial Optical Fiber Gyroscope
No. of connector point
Identification of connector
Definition of connector point
1
SDO+
Anode of gyroscope output
2
SDO-
Cathode of gyroscope output
3
___
___
4
___
___
5
___
___
6
+5V
Simulation +5V
7
GND5V
Simulation +5V grounded
8
___
___
9
___
___
Note: When connecting or contacting the product, please take anti-static precautions according
to GJB1649-1993.
2.6.3 Form of output signal
The form of output signal of the product is RS422 blind sending, with the data update frequency
of 4KHz.
2.6.4 Communication protocol
Communication protocol: RS-422 serial interface, with Baud rate of 921.6kbps; format of
communication frame character: 1 start bit, 8 data bits, 1 even parity check, 1 stop bit. See Table 5
below for the definition of data.
Table 5 Definition of Data
Byte S/N
Name
Contents
1
Frame header
80H
2～4
X-axis rate data of gyroscope
Byte from high to low
5～7
Y-axis rate data of gyroscope
Byte from high to low
8
Xor
－
Note 1: Checksum is the xor of all rate bytes of gyroscope.