9km Range Finder Module

STA-D0912Y 9km Range Finder Module adopts the 1535nm erbium glass laser module independently developed by Jioptics, which has the characteristics of low power consumption, compact structure, high precision, long measuring distance and human eye safety.

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Product Description

Maximum measuring range: 9000m (vehicle) 12000 m (wall)
Ranging accuracy ±1m
Measurement accuracy ≥ 98%
Weight ≤102g

9km Range Finder Module features

1. Integrated design of the whole structure, shock resistance, vibration resistance, high reliability, strong environmental adaptability;
2. The use of unique erbium glass laser integrated configuration design and end-face multi-point sealing installation, high durability, long working life, eye safety;
3. The internal interfaces of the circuit all adopt the welding wire direct connection process, which is firm and reliable, which can avoid the short circuit or poor contact caused by the loosening, oxidation and water vapor of the connector, and improve the reliability and life of the product.

Product performance index

Item	Index
Model	STA-D0912Y
Operating wavelength	1535nm ±10nm
Ranging range	80m-12000m
Ranging capability	16000m	Typical target,visibility ≥ 25km
	12000m	Large target, visibility ≥ 25km
	9000m	Visibility ≥ 25km, target with 0.3 reflectivity for 2.3m × 4.6m vehicles
Humidity	≤ 80%
Ranging accuracy	±1m
Accuracy rate	≥98%
Range resolution	≤50m
Divergence angle	≤0.5mrad
Ranging frequency	Once,1hz,5hz
Size	≤66mm×59mm×42mm
Voltage	5V～14V
Working power consumption	Average power consumption: ≤ 3W
Standby power consumption	≤0.01W
Working temperature	-40℃～+60℃
Storage temperature	-55℃～+70℃
Weight	≤102g

Structure installation interface

Electrical Interface

The upper computer end realizes the cross-linking test with the rangefinder through the 10PIN connector. The pin definition of the power supply and communication port at the rangefinder end is shown in the following table, and the position of the connector connection pin 1 is shown in the following figure.

Pin definition of power supply and communication port at rangefinder end

Pin number	Number	Definition of electrical characteristics	Notes
P-1	VIN+	Input power positive	Power supply
P-2	COM	Negative pole of input power	Power supply
P-3	POWER_CTL	Low Power Control Port	Suspended or high (3V ~ 9V) effective
P-4	RS422_TXD+	Signal output port	Rangefinder to host computer
P-5	RS422_TXD-	Signal output port	Rangefinder to host computer
P-6	RS422_TXD-	Signal input port	Upper computer to rangefinder
P-7	RS422_TXD+	Signal input port	Upper computer to rangefinder
P-8	GND	Communication ground wire	Communication ground wire
P-9	TTL_RXD	Signal input port	3.3V TTL
P-10	TTL_TXD	Signal output port	3.3V TTL

Connector connection 1Pin position

Software
Data

The data transmission between the rangefinder and the upper computer includes the following contents:
● Control command: including single, 1Hz ranging instruction, 5Hz ranging instruction, query instruction, etc;
● Return data: including distance information, ambient temperature, rangefinder status, etc.
The data exchange between the rangefinder and the upper computer adopts RS422/TTL (two-choice 1), and its characteristics are as follows:
● Baud rate: 38400 (factory)/9600/57600/115200;
● Byte structure: low order in front, high order in back;
● Byte composition: 1-bit start bit, 8-bit data bit, no check, 1-bit stop bit.

Information

The format of the control command information is shown in the following table.

Control command information received by the rangefinder

Byte	Illustrate	Byte data (command words, data, check bits)	Notes
1	Frame Header	0x55
2-5		1 ranging: 0xF2 0x00 0x00 0xF2	The feedback data is shown in the table below
		1Hz ranging:0xF3 0x01 0x00 0xF2
		5Hz ranging:0xF3 0x02 0x00 0xF1
		Stop ranging:0xF3 0x00 0x00 0xF3
		Baud rate setting: 0xF6 _ _0xXX	____ Set the baud rate/100 (hexadecimal representation), where 0xXX is an XOR of 2-4 bytes
		Self check command: 0xF0 0x00 0x00 0xF0	The feedback data is shown in the table below
		Query instruction: 0xF8 0x00 0x00 0xF8	The feedback data is shown in the table below
		Gating value setting: 0xF4 ___ ___ 0xXX	___is the set strobe value (hexadecimal representation), and 0xXX is the exclusive OR of 2 to 4 bytes.
6	End of Frame	0xAA

The return data of the rangefinder is divided into regular data and self-test data.
● Regular data: including the number of targets, measurement distance, rangefinder status, etc. see the table below.
● Query data: including ambient temperature, rangefinder status, etc. See the table below.

Conventional data returned by distance measuring machines

Byte	Illustrate	Byte value (hexadecimal)
1	Header	0xAA
2	Number of targets
3	High Byte of First Target Distance Information
4	Low Byte of First Target Distance Information
5	First Target Distance Information Decimal Digits	Two decimal places after the decimal point
6	High Byte of End Target Distance Information
7	Low Byte of End Target Distance Information
8	Last Target Distance Information Decimal Digits	Two decimal places after the decimal point
9	Ranging status byte	Status word, see table below
10~13	Number of light output
14	Check word	Bytes 2-13 XOR
15	End of Frame	0x55

Meaning of Status Word

Serial Number	Byte 9	Significance
1	0xF2	1 Ranging
2	0xF3	1Hz Ranging
3	0xF4	5Hz Ranging
4	0xF5	Stop Ranging

Query data sent back by rangefinder

Byte	Illustrate	Byte Value (Hexadecimal)
1	Frame header	0xCC
2	Standby	Standby
3	Ambient Temperature Byte	8-bit signed number, unit: ℃
4	Self Test Information Byte	0x 00 indicates the query default value 0x 03 indicates that the self-check light is normal 0xFF indicates abnormal self-detected light
5	High Intensity Working Status Byte	1: Normal operation mode flag bit 0: High-intensity working mode flag bit
6	Distance strobe value high byte	Hexadecimal representation
7	Low Byte of Distance Gating Value	Hexadecimal representation
8	Baud rate high byte	Hexadecimal representation, baud rate is loopback data * 100
9	Baud rate low byte
10	Number of light is 8 bits high	Hexadecimal representation
11	Number of light is 8 bits high
12	Number of light out low 8 bits
13	Number of light out low 8 bits
14	Check word	Bytes 2-13 XOR
15	End of Frame	0x55

Baud Rate Settings

Baud rate setting operation method:
A.send "0x 55 0xF6 0x 00 0x 60 0x 96 0xXX" command to the laser range finder, I .e. set the baud rate to 9600bps; The rangefinder returns "CC 01 19 00 01 00 00 00 60 00 00 00 79 55", "0x 00 0x 60" indicates that the current baud rate has been set to 9600bps;

B.Send "0x 55 0xF6 0x 01 0x 80 0x 77 0xXX" command to the laser rangefinder, I .e. set the baud rate to 38400bps; The rangefinder returns "CC 01 19 00 01 00 00 01 80 00 00 00 00 98 55", and "0x 01 0x 80" indicates that the current baud rate has been set to 38400bps;

C.Send "0x 55 0xF6 0x 02 0x 40 0xB4 0xXX" command to the laser rangefinder, that is, set the baud rate to 57600bps; The rangefinder sends back "CC 01 19 00 01 00 00 02 40 00 00 00 00 5B 55", and "0x 02 0x 40" indicates that the current baud rate has been set to 57600bps;

D.send "0x 55 0xF6 0x 04 0x 80 0x 72 0xXX" command to the laser rangefinder, I .e. set the baud rate to 115200bps; The rangefinder returns "CC 01 19 00 01 00 04 80 00 00 00 9D 55", "0x 04 0x 80" indicates that the current baud rate has been set to 115200bps.

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