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Laser ranging sensor

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1： Overview

CLaser ranging sensors are mainly used for fixed or moving speeds less than1rice/SMeasure the object.

Its main features are:

lCan maintain high accuracy and reliability even in harsh environments.

lLarge working voltage range(7-30V)It can be powered by car power supply, industrial switch power supply, ordinary DC power supply, etc.

lLow power consumption, in standby mode0.2W.. 0.3WWhen working continuously1.0W.. 1.5W.

lThe measuring laser is a visible laser, aiming at the object being measured.

lRich output interfaces, capable of simultaneous outputRS232,RS485,Analog quantity (supported)4..20mA，0..20mA, 0..24mA, 0..5V, 0..10VFive methods are available, with two switch signals (relay output),Other interfaces can be customized.

lAnalog and switch quantities can be programmed through commands, making them flexible to use.

lFlexible operation, can be achieved throughPCMachine, microcontroller,PLCWaiting for the command to be sent can also be operated through an external trigger line.

lRemote control can be achieved by adding wireless modules.

2： Safety Notice

This series of laser ranging sensors has a maximum laser emission power of1mW，The security level is2Level of security.Compliant with IEC825-1/DIN EN60825-1:2001-11 and FDA 21 CFR regulations. If an accident occurs and the human eye is exposed to laser light for a short period of time (greater than 0.25 seconds), the human eye can be protected by the blink reflex of its own eyelids. The blink reflex of a person can effectively protect their eyes.

Although the product may not require specialized safety protection devices, it is still necessary to avoid direct viewing of the laser beam as much as possible. Do not aim the laser beam directly at the human body. Sensors can be used without any protective measures.

Application precautions:

lWhen sunlight or other strong light directly enters the sensor lens, errors may occur.

lMeasuring objects with poor reflective surfaces in strongly reflective environments may result in errors.

lWhen the reflection surface of the object being measured is too strong, measurement errors may occur.

lMeasurement through transparent objects such as glass, filters, resins, etc. may result in incorrect data.

lWhen rapidly changing the measurement environment or measuring distance, the sensor may return no data or generate incorrect data for a short period of time.

lThe measurement rate indicated by the sensor is the static measurement rate, and it will slow down when measuring the speed of dynamic objects. The GH series sensor supports a maximum speed of 1m/s, and it is recommended to use it when the speed is less than 0.5m/s.

3： Working principle

This series of laser ranging sensors uses the principle of phase comparison for measurement. Laser sensors emit visible laser beams of different frequencies, receive scattered laser light returned from the measured object, compare the received laser signal with a reference signal, and finally, use a microprocessor to calculate the distance between objects corresponding to the corresponding phase shift, which can achieve millimeter level measurement accuracy

This series of lasers is in standby mode after power on, and can be started by the following methods
Send measurement commands via RS232 or RS485.
Short circuit the trigger line (Trip) to the negative terminal of the power supply and start the measurement.

4： Technical parameters

application	Distance measurement, used for natural solid surfaces without reflectors
measuring range	GHLM04C		0.2m... 40m
	GHLM07C		0.2m... 70m
	GHLM10C		0.2m... 100m
measurement accuracy	The typical accuracy is1mm+20ppmWhen the reflection effect of the reflective surface is poor, the error will correspondingly increase
resolution	0.1mm
Measurement Frequency	Not less than10Hz(This frequency is the measurement frequency under static conditions)
repeatability	±0.5mm
Measurement starting point	It can be freely set. The factory default setting is the front end.
Working mode	CONTINUE		After startup, the sensor automatically returns the measurement results. The return time interval can be freely set.
	SINGLE		After startup and completion of measurement, it automatically returns to standby mode.
	Fixed frequency measurement		After startup, the sensor automatically returns the measurement results. After the set number of returned results is reached, it will automatically return to standby mode
	Pre measurement		After starting and measuring, the results are stored in memory and no data is returned. Quickly return after the next single measurement command is sent.
	Trigger measurement		Start through an external trigger line and automatically return measurement results continuously after startup. The return time interval can be freely set.
security level	2Grade, compliant DIN EN 60825-1:2001-11(EC825-1)Standard,≤ 1mW (red)
operation temperature	-10℃.. 50℃The temperature range can be expanded through heating and cooling devices
storage temperature	-20℃.. 70℃
output interface	Digital Interface	supportRS485,RS232Two communication methods,standard configuration
	ANALOG	Can support0-20mA,0-24mA,4-20mA,0-5V,0-10VThe default corresponding distance for analog output is0-10Rice.Optional
	Switch interface	Two individually programmable relay output interfaces.Optional
Supply Voltage	7V-30VStandby power consumption<0.3W, working power consumption<1.5W
External dimensions	For details, please refer to Part 5: Mechanical Structure
Mounting Hole
weight	make an appointment800g
protection grade	IP65,ALUMINUM SHELL
Options	water(gas)Refrigeration kit, analog output module, switch output module, digital display module, heating module, wireless communication, etc
Customizable content	Communication protocol, external dimensions, output mode, dual head laser,XYBidirectional measurement, increased internal storage, extended cable (standard configuration)1Rice and other special functions.

5： Mechanical structure(1Class as default shell, if needed2Please confirm with the salesperson when placing the order, otherwise1Based on the class,1The class shell can be converted into and2Same installation size for class shells)

1Class shell size:

2Class shell size:

This series of lasers is in standby mode after power on, and can be started by the following methods

l pass throughRS232perhapsRS485Send measurement commands.

l Trigger the line(Trip)Short circuit with the negative terminal of the power supply, initiate measurement.

6： Cable definition (wiring instructions)

Attention: The end of the cable is exposed, so be sure to prevent short circuits when using it!

6Core cable, used for standard version sensors. Its definition is as follows:

colour	function	colour	function
1:red	Power supply positive	2:black	Negative power supply
3:yellow	external trigger	4:orange/blue	RS485-A/RS232-TX
5:green	RS485-B/RS232-RX	6:white	signal ground

8Core cable. The interface definition for outputting analog or switch signals is as follows:

colour	simulate-RS485	simulate-RS232	switch-RS232	switchRS485
red	Power supply positive
black	Negative power supply
yellow	external trigger
white/blue	signal ground			Switching output1
green	RS485-B	RS232-RX		RS485-B
orange	RS485-A	RS232-TX		RS485-A
blue	Analog output positive		Switching output2
brown	empty		Switch output common terminal

10The chip version is used for the complete output sensor, and its interface definition is as follows:

colour	Full functionality-RS485	Full functionalityRS232
red	Power supply positive
black	Negative power supply
yellow	external trigger
white	signal ground
green	RS485-B	RS232-R
orange	RS485-A	RS232-T
blue	Switching output2
brown	Switch output common terminal
Purple;	Analog output positive
grey	Switching output1

7： Communication Protocol

This series of sensors supports two communication protocols simultaneously. They are self owned agreements andMODBUSagreement. Below are detailed explanations of the two protocols:

7.1Own agreement

7.1.1Protocol features

l All commands on this machine have no obvious end bit, which is greater than5MSThe time interval serves as the basis for the end of this group of commands.

l All command checksum on this machine is the complement of the sum of all preceding bytes（CS）.

l The device address range is01H.. F9H(1-249)，FA(250)For the broadcast address.

l The measurement command does not respond to the broadcast address.

7.1.2command format

hostRead class command：CMD-RRead the command code for class commands,See table for detailsCMD-R
describe	address	function code	Command code	check
length	1Byte	1Byte	1Byte	1BYte
Example	ADDR	06H	CMD-R	CS
Read class command device returns:
describe	address	function code	Command code	Data Content	check
length	1Byte	1Byte	1Byte	Nbyte	1BYte
Example	ADDR	06H	CMD-R \| 80H	DAT1...DATN	CS

hostSet Class Command：CMD-WSet command codes for class commands, see table for detailsCMD-W
describe	address	function code	Command code	Data Content			check
length	1Byte	1Byte	1Byte	nBytes			1BYte
Example	ADDR	04H	CMD-W	Dat1....dat2			CS
Set command device return: Successful
describe	address	function code				check
length	1Byte	1Byte				1BYte
Example	ADDR	04H				CS
Set command device return: failed
describe	address	function code	error code		check
length	1Byte	1Byte	1Byte		1BYte
Example	ADDR	84H	ErrCode		CS

CMD-RAnd data content description

CMD -R	describe		Sensor returns data content
01H	Read basic parameters		ADDR,MEAL(4Bytes),MEAH(4Bytes),AoutConfig(2Bytes),MeaInterval(4Bytes),MeaOffer(2Bytes).
02H	Start single measurement		3XH, 3XH, 3XH, 2EH, 3XH, 3XH, 3XH（ASCII,） Single measurement response broadcast address（pour1）Continuous measurement does not respond to broadcast addresses
03H	Start continuous measurement
04H	Read measurement value cache		Directly read the measurement value cache without performing any other operations on the sensor.
05H	Start continuous measurement without returning data		This command starts continuous measurement but does not return data, and is used in conjunction with the 04H command
06H	Read Time		YY,MM,DD,HH,mm,SSFormat as BCD code (customized function)
07H	Read memory data volume		NumH,NumLUp to 1280 items (customized function)
08H	NumH,NumL send content	read data	Read the Numth data from memory and return formats NumH, NumL, YY, MM, DD, HH, mm, SS, DATH, DATL (custom function)
09H	Read the current temperature		Customized items.Temprature(1Byte), unit:℃
0AH	reserve
0BH	reserve
0CH	Read switch related parameters		SwitchConfig(2Bytes), Sw1L(4Bytes), Sw1H(4Bytes), Sw2L(4Bytes),, Sw2H(4Bytes)
0DH	Read other settings		OtherConfig(2Bytes)
0EH	Read model, serial number, etc		Dat1 Dat2 ….. Dat20（ASCII）
0FH	Read device name, special information		Dat1 Dat2 ….. Dat28（ASCII）
10H	reserve

pour1Initiate a single measurement using the broadcast address, and the sensor initiates the measurement but does not return data. When starting a single measurement with the device address next time, the sensor will no longer initiate the measurement but quickly return the previous measurement data. This command is mainly used to improve measurement efficiency when there are multiple machines on a single bus.

CMD_WAnd data content description

CMD -W	describe	The content of the written data
01H	Set Address	NewAddr (New sensor address)
02H	Stop measuring	No parameters
03H	reserve	reserve
04H	Simulate output status	AouConfig(2Bytes)
05H	Continuous working data time interval(ms)	MeaInterval(4Bytes)
06H	Set simulation range	MEAL(4Bytes),MEAH(4Bytes)
07H	Distance correction value	MeaOffer(2Bytes)
08H	reserve	reserve
09H	Switch output status	SwitchConfig(2Bytes)
0AH	Set trigger point	SwNum, SwnL(4Bytes), SwnH(4Bytes)(SwNumValues 1-2 represent the trigger point number to be set, followed by specific numerical values
0BH	reserve
0CH	Other settings	OtherConfig(2Bytes)
0DH	Fixed frequency measurement	MeaNum(2Bytes)This command starts continuous measurement and automatically shuts down after returning MeaNum data consecutively
0EH	set time	YY,MM,DD,HH,mm,SSFormat as BCD code (customized function)
0FH	Clear memory data	Customized functions
..	reserve
7FH	factory reset	No parameters

Parameter description:

parameter	describe	initial value	Detailed explanation
Addr	Device Address	80H	1Bytes,The range of values is01H... F9H.FAHFor broadcasting addresses
MEAL	Simulate the lower limit of the range	0000H	4Bytes, UnitmmThis variable is only related to the analog output
MEAH	Simulation range upper limit	maximum range50%	4Bytes, UnitmmThis variable is only related to the analog output
AouConfig	Simulated output status setting	4305H	2BytePlease refer to the attached table for details.
MeaInterval	Data return time interval	0064H	2Byte,The time interval between data returns during continuous work. Unit milliseconds.
MeaOffer	Measurement correction value	0000H	2Bytes,Measure the correction value. The highest bit is the symbol bit0straight1Negative. unitmm. Value range-32000mm...+ 32000mm
SwitchConfig	Switch output status setting	0004H	2Bytes,Please refer to the attached table for details.
SwnL	switch point	0000H	4Bytes,auxiliary word for ordinal numbersnCorresponding value of the lower limit of the road switch point, unitmm
SwnH	switch point	0000H	4Bytes,auxiliary word for ordinal numbersnCorresponding value of upper limit of road switch point, unitmm
MeaNum	Continuous work measurement frequency	0000H	2Bytes,After the sensor starts continuous measurement, it continuously performsMeaNumAfter the second measurement, stop continuous measurement. do0Measure continuously.This value is invalid for externally triggered startup work
OtherConfig	Other settings	0001H	for details see attached table

Example of proprietary protocol command(Sensor default address80H)：

Initiate a single measurement:

describe	address	function code	Command code	check
length	1Byte	1Byte	1Byte	1BYte
Example	80H	06H	02H	78H

Equipment return

describe	address	function code	Command code	content	check
length	1Byte	1Byte	1Byte	7Bytes	1BYte
Example	80H	06H	82H	30H,31H,32H,2EH,34H,35H,36H	98H
meaning	The current measured distance is012.456rice

Set sensor address:Set the sensor address to01H

describe	address	function code	Command code	Data Content	check
length	1Byte	1Byte	1Byte	1Byte	1BYte
Example	80H	04H	01H	01H	78H

Setting successful:

describe	address	function code	check
length	1Byte	1Byte	1BYte
Example	80H	04H	7CH

Setting failed:

describe	address	function code	error code	check
length	1Byte	1Byte	1Byte	1BYte
Example	80H	84H	01H	FBH

7.2 MODBUSagreement

7.2.1Protocol features

l All registers are16Position.

l The range of device address codes is1-249.250(FAH)For the broadcast address.

l Standard protocol, convenient to usePLCDevelop secondary applications using configuration software, etc.

l The maximum number of parameters read each time is32Byte, i.e16A register

7.2.2command format

Host Read Class Command

describe

address

function code

start address

Number of Registers

CRC16

length

1Byte

2Byte

2BYte

Example

01H

03H

0001H

0003H

95CBH

This example is at the address of01HThe device0001HAddress start, read0003HRegister contents

Read class command device returns: Normal

describe

address

function code

Return the number of bytes

Data Content

CRC16

length

1Byte

N Byte

2BYte

Example

01H

03H

06H

DAT1,..DAT6

CRCH,CRCL

Total content returned by the device3A register6One byte

Read class command device returns: Exception

describe

address

function code

Return the number of bytes

error code

CRC16

length

1Byte

1 Byte

2BYte

Example

01H

03H

81H

ErrCode

CRCH,CRCL

When the device returns abnormal data, the number of bytes returned is always81HThe highest position is1Represents errors, others are quantities,81HThe meaning is: return an error, the error code has one byte. The source of the error isErrCode

ErrCode

01:The starting position does not exist 02Part of the accessed registers do not exist 03The total length of the read registers exceeds the limit (i.e. exceeds)16A register).04:Other errors.8FH:Invalid command.

Host settings command(06H)Number of operation registers=1

describe

address

function code

Operation address

Data Content

CRC16

length

1Byte

2Byte

N Byte

2BYte

Example

01H

06H

0001H

12H,34H

D57DH

To the address is01HThe device writes data to0001HRegister, write1234H.

Host settings command(10H)Number of operation registers>= 1, <= sixteen. Can replace06Command word

describe

address

function code

start address

Number of Registers

Data Content

CRC16

length

1Byte

2Byte

2 Byte

N Byte

2BYte

Example

01H

10H

0001H

0002H

12H,34H,56H,78H

FE36H

To the address is01HThe device writes data from0001HRegister, continuously write the contents of two registers, with the contents in sequence as follows1234H,5678H.

Set command device returns: Normal(06H)

describe

Device Address

function code

Operation address

CRC16

length

1Byte

2Byte

2BYte

Example

01H

06H

0001H

2019H

The device returns normal data.

Set command device returns: Normal(10H)

describe

Device Address

function code

start address

Number of Registers

CRC16

length

1Byte

2Byte

2 Byte

2BYte

Example

01H

10H

0001H

0002H

1008H

The device returns normal data.

Setting class command device returns: Exception(06H)

describe

address

function code

start address

error code

CRC16

length

1Byte

2Byte

1Byte

2BYte

Example

01H

06H

0001H

8001H

ErrCode

CRCH,CRCL

The device returns abnormal data, and the position with the highest number of registers is at this time1, represents the failure of this operation, the source of the error isErrCode

ErrCode

01:The starting address does not exist. 02Part of the registers being operated do not exist.03The total length of the operation's registers exceeds the limit (exceeding)16A register).04Write failed.05Error in writing parameters.06Other errors.8FH:Invalid command.

Setting class command device returns: Exception(10H)

describe

address

function code

start address

Number of Registers

error code

CRC16

length

1Byte

2Byte

2 Byte

1Byte

2BYte

Example

01H

10H

0001H

8002H

ErrCode

CRCH,CRCL

The device returns abnormal data, and the position with the highest number of registers is at this time1, represents the failure of this operation, the source of the error isErrCode

ErrCode

7.2.3 MODBUSRegister List in Protocol Format

name	address	Reading and writing	initial value	describe
Reset	0000H	Only write	XXXXH	Write any value, and all parameters will be reset to factory values. As long as the written register contains this register, everything else is invalid.Not supporting reading.
Addr	0001H	Reading and writing	0080H	Value range1-249
ALRV	0002H	Reading and writing	0000H	This parameter only applies to analog quantities, measured in millimeters
	0003H		0000H
AURV	0004H	Reading and writing	Range of measurement50%
	0005H
AoutConfig	0006H	Reading and writing	4005H	Settings related to analog output, please refer to the attached table for details1
MeaInterval	0007H	Reading and writing	0000H	The time interval in milliseconds for returning data during continuous operation.	When working continuously, the sensor actively uploads measurement data.
	0008H	Reading and writing	0064H
MeaOffset	0009H	Reading and writing	0000H	The highest bit is the sign bit,0For positive,1Negative, low15Bit is data bit, unitmm Value range:- 32000mm....+ 32000mm
SwitchConfig	000AH	Reading and writing	0004H	Settings related to switch output. Please refer to the attached table for details2
SLRV1	000BH	Reading and writing	0000H	The unit of its corresponding value is millimeters.The lower limit must be less than the upper limitDetails of the change pattern of switch output status are shown in the attached figure1
	000CH		0000H
SURV1	000DH	Reading and writing	0000H
	000EH		0000H
SLRV2	000FH	Reading and writing	0000H
	0010H		0000H
SURV2	0011H	Reading and writing	0000H
	0012H		0000H
OtherConfig	0013H	Reading and writing	0001H	Other miscellaneous configurations, please refer to the attached table for details
reserve
Time Month Year	0100H	Reading and writing		formatBCDa sign or object indicating number//Temporarily useless
Time, Day, and Hour	0101H	Reading and writing
Time in minutes and seconds	0102H	Reading and writing
reserve	……
Model	1001	read only		Sensor model. common5A register,10One byte, encoding methodASCII.
	……
	1005
MTS(model,type,serial no.)	1006H	read only		common10Byte,5A register with encoding method ofASCIIThe code contains the model, extension information, and serial number. For example:ASW1400010,The extended information is represented asASW(including opinions and attached images)2）, with the number1400010
	……
	100AH
DriveName	100BH	read only		common20Byte, content encoded asASCIIThe value is”Laser ranging sensor”
	……
	1014H
reserve	……
MeaResult	2001H	read only	XXXXH	The reading unit is millimeters. When there is a measurement error, the return value is fixed as00FFFFFFH; Reading this register does not support broadcasting addresses.
	2002H	read only	XXXXH
StartCW	2003H	Only write		Writing any data to this register will initiate continuous operation. Writing data is the number of measurements taken after initiating continuous operation. Once the corresponding number of measurements is reached, it will re-enter standby mode. If the written value is0Keep working until it shuts down or sends a command to read measurement values.This register can only be written separately.
AdvanceMea	2004H	Only write		To broadcast addressWriting any value to this register will execute the normal measurement process and preset the result. In the next read2001H-2002HAt this time, the measurement process will not be executed and the measurement values will be directly returned to improve overall operational efficiencyThis command is only valid for broadcast addresses and can only be written separately. It has no return value. pour1
StartCW_NR	2005H	Only write		Activate the sensor to enter a continuous working state, but the data does not return and is updated in real-time 2006H,2007HIn two registers.
MeaResult_NRT	2006H	read only		Read the value in millimeters, and return the value when there is a measurement error0x00FFFFFF.
	2007H
Tempraure	2008H	read only		Customized items
reserve	……
TurnOff	20FFH	Only write		Shutdown,The sensor enters standby mode
reserve	……

pour1Broadcast address initiates single measurement, sensor initiates measurement but does not return data. When starting a single measurement with the device address next time, the sensor will no longer initiate the measurement but quickly return the previous measurement data. This command is mainly used to improve measurement efficiency when there are multiple machines on a single bus.

MODBUSCommand Example (Device Default Address)80H）：

1Read measurement values - Host sends command code

describe	address	function code	start address	Number of Registers	CRC16
length	1Byte	1Byte	2Byte	2Byte	2BYte
Example	80H	03H	2001H	0002H	801AH

Device returns content

describe	address	function code	Return the number of bytes	Data Content	CRC16
length	1Byte	1Byte	1Byte	N Byte	2BYte
Example	80H	03H	04H	00H,00H,01H,64H	6B40H
Example	The distance currently measured by the sensor, with a value of0164HMillimeters, i.e356mm

2Set device address - Host sends command

describe	address	function code	start address	Number of Registers	Data Content	CRC16
length	1Byte	1Byte	2Byte	2Byte		2BYte
Example	80H	10H	0001H	0001H	00H,01H	F46AH
Example	Set the device address to01HThis command returns to the original address, and the next command responds to the new address

Device returned content - successful

describe	address	function code	start address	Number of Registers	CRC16
length	1Byte	1Byte	2Byte	2Byte	2BYte
Example	80H	10H	0001H	0001H	4E18H

Device returns content - failed

describe	address	function code	start address	Number of Registers	error code	CRC16
length	1Byte	1Byte	2Byte	2Byte	1Byte	2BYte
Example	80H	10H	0001H	8001H	04H	981FH

7.3External trigger data output data format

When triggered externally, the sensor defaults to outputting data in a simplified format, that is, outputting the distance effective valueASCIICode and carriage return line breaks.

If the measured distance is123.456Rice, its output16The base number is:31 32 33 2E 34 35 36 0D 0A

Parameter Description Appendix:

AoutConfig:

position

function

take a value

meaning

position

function

take a value

meaning

When the measured value is greater than the upper limit, the output value of the analog quantity

0,0

Output minimum value

Output direction

Reverse output, the larger the distance, the smaller the output

0,1

Output maximum value

1,0

output50%

Positive output,The greater the distance, the greater,The larger the output

1,1

Maintain the current value

When the measured value is less than the lower limit, the output value of the analog quantity

0,0

Output minimum value

reserve

0,1

Output maximum value

reserve

1,0

output50%

reserve

1,1

Maintain the current value

reserve

Power on

Initial value of analog quantity

0,0

Output minimum value

Analog output type

0,0,0

0-5Vvoltage

0,1

Output maximum value

0,0,1

0-10Vvoltage

1,0

output50%

1,0,1

4..20mAelectric current

1,1

Maintain the current value

1,1,0

0..20mAelectric current

When there is a measurement error, the analog output value

0,0

Output minimum value

1,1,1

0..24mAelectric current

0,1

Output maximum value

1,0

output50%

1,1

Maintain the current value

SwitchConfig

position	function	take a value	meaning
15..8	reserve
7	Trigger Mode	0	Conduct when the measured value is less than the trigger point	Second switch quantity
		1	Conduct when the measured value is greater than the trigger point
6,5	Data exception triggering method	0,0	Disconnect during normal operation
		0,1	Conducts when abnormal
		1,0	Maintain in case of abnormalities
		1,1
4	Power on Initial state	0	break
		1	Conduction
3	Trigger Mode	0	Conduct when the measured value is less than the trigger point	The first switch quantity
		1	Conduct when the measured value is greater than the trigger point
2,1	Data exception triggering method	0,0	Disconnect during normal operation
		0,1	Conducts when abnormal
		1,0	Maintain in case of abnormalities
		1,1
0	Power on Initial state	0	break
		1	Conduction

figure1: Switching output

Method Description

OtherConfig(0x0001):

position	function	take a value	meaning	position	function	take a value	meaning
15..1	reserve			0	Temperature control enabled	1	Control forced heat dissipation and heating

8： Instructions for using measurement software

Randomly provide software as testing software, mainly for sensor debugging and parameter setting, not for on-site use.

Our company's supporting software is shown in the above picture

The software is vertically divided into three parts. The left part shows sensor parameters and port settings, the middle part displays measurement results during testing, and the right part provides detailed records of each step of the operation process. The measurement result section displayed in the middle can be cleared by double clicking.

The software usage process is as follows:

1In the "Test Configuration" box in the upper left corner, select the "Communication Port" drop-down box that you are usingCOMMouth number. Due to the automatic detection of available port numbers when the software is opened, it can be inserted after the software is startedUSBchangeCOM, orRJ45changeCOMWhen using the device, click on 'Scan for valid ports' to reload the available port numbers.

2The sensor passes throughRS485perhapsRS232connect toPCAfter the machine, connect the sensor power supply. At this point, click on "Read Parameters" in the bottom left corner. If the wiring is correct, the sensor parameters will be read and automatically filled in the corresponding blank positions.

3As in:2If the parameter reading is successful, measurement testing or parameter reset can be performed.

4Measurement testing.At the bottom of the measurement result display box in the middle, there are corresponding test buttons, which are "single measurement", "continuous measurement", "pre measurement", "fixed frequency measurement" and "timed measurement" (timed measurement is temporarily invalid).

After clicking on 'Single Measurement', the sensor will start measuring and return the corresponding measurement value, then turn off the measurement and enter standby mode, waiting for the next measurement. Single measurement does not respond to broadcast commands. It takes approximately from start to stop2-3In seconds. If the usage environment is not conducive to measurement, the time may be delayed5S.

After clicking on 'Continuous Measurement', the sensor will start measuring and continuously upload data until it receives the command to 'Stop Measurement' or loses power. The time interval for returning data can be set.

Pre measurement ", this command can only be sent to a broadcast address. After sending this command, the sensor will start a single measurement but will not return the measurement result. After the next single measurement command is sent, the sensor will quickly return data.

After the command is issued, the sensor will start a single measurement and continuously return data. When the number of data returns meets the requirements of the command, the measurement will stop and enter standby mode.

5Modifying parameters and setting parameters are divided into two parts. The first part consists of basic parameters (such as address, correction value, measurement return time interval, etc.) and corresponding analog parameters (range, output mode, etc.). After modifying this parameter section, its write button is located in the lower right corner of this parameter box.

The second part includes parameters related to switch output (switch point position, switch driving mode, etc.) and miscellaneous parameters. After modifying this parameter section, its write button is located in the lower right corner of this parameter box.

9： Precautions

l Please carefully read the instruction manual and confirm the wiring sequence before use.

l Sensor power supply, please use DC power and do not exceed the maximum voltage30V.

l Please do not operate with electricity when wiring.

l After connecting the wires, please handle any unused wires accordingly to avoid short circuits.

l Please do not look directly at the laser during use.

l In environments with dust, mist, and other factors that affect laser penetration, it can affect measurement results.

l Under strong light conditions, the sensor range will be affected

l The following measurement environments may lead to inaccurate results: transparent objects, specular reflective surfaces, porous surfaces (foam, etc.) and other surfaces.

l In high reflectivity environments, measuring low reflectivity surfaces may lead to increased result errors.

l When sensors are stored for a long time, please try to seal and store them in a dry environment.

l If there are further revisions to this manual, we will not be able to notify you in a timely manner. If necessary. Please download the latest version of the manual from the company website.www.cht2010.com

11： Technical support and after-sales service

Our company's products come with a one-year free warranty under normal use. Lifetime cost maintenance. The following situations are not covered by the free warranty.

l Exceeding the warranty period by more than one month.

l Non company personnel carry out repairs, modifications, alterations, etc.

l Abnormal use (such as high voltage, incorrect wiring, water ingress, external damage, natural disasters, lightning strikes, etc.).

l The sensor module is covered by warranty due to the exposed circuit board7Oh my god.

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website:www.cht2010.com

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