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Welcome to the official website of Lihong Safety Equipment Engineering (Shanghai) Co., Ltd.!

LGY-300 long-distance laser ranging sensor 300 meters

·Visible red laser, easy to align and debug

·Support the movement speed of 10m/s.

·Support SSI, PROFINET, MODBUS RTU, RS422 and other interface outputs.

·TOF measurement principle ensures ultra-fast measurement speed and ultra-fast measurement frequency.

·High precision, which can better locate the position of moving objects accurately.

▊	Product selection table

▊	technical parameter

performance parameter
measuring range	0.2…300m
precision	±2mm（90%reflectivity）@2σ
repeatability	0.3mm
Measuring frequency	200Hz
resolution ratio	0.1mm
Measuring object	Reflective film
Laser spot	6mm（10m）
Laser light source	Red laser
	wavelength：650–690nm
	Pulse duration：3ns
	Beam divergence：0.16×0.6mrad
	Laser power：0.95mW
Laser grade	Secondary laser
	IEC 60825-1:2014, EN 60825-1:2014
Laser lifetime	100'000h @ 25℃
Interface parameters
PROFINET	Network load level	II
	function	Measurement data output, parameter setting
RS-232	Baud rate	115200
	data bit	8
	Stop position	1
	Check Digit	無
	fluid control	無
	function	Measurement data output, parameter setting
Mechanical/electronic parameters
supply voltage	DC 18V…30V
power	＜3.5W (在24VDC)
Initialization time	Typ. 5s
Connection type	A code 5-pin M12 plug
sheathing material	D-coded 4-pin M12 plug
	Aluminum die casting
the protection grades	IP65
weight	975g
measure	12969.592mm
Working temperature	-10℃…+50℃
Storage temperature	-25℃…+75℃
Electromagnetic compatibility (wireless)	EN 55032:2015,EN61000-3-2:2014,EN 61000-3-3:2013, EN 55035:2017

▊	Schematic diagram of pin distribution and wiring

▊	Error code description

If there is an error code not listed in the table below, please contact our technical support.

serial number	format	meaning	debugging
1	@E203	Wrong command or parameter	Check input instructions, parameters and communication settings.
2	@E220	Communication error	Check and eliminate electromagnetic interference around sensors and communication lines.
3	@E234	no to scale	Adjust the distance of the measured target to make it within the measuring range.
4	@E252	The temperature is too high	Reduce the ambient temperature. If an error occurs at room temperature, please contact our technical support
5	@E253	The temperature is too low.	Raise the ambient temperature. For sensors with heating function, wait for the heating temperature to rise. If an error occurs at room temperature, please contact our technical support
6	@E255	The received signal is too weak	Improve the reflectivity of the measured target.
7	@E256	The received signal is too strong	Reduce the reflectivity of the measured target.
8	@E257	The background light is too noisy	Eliminate the clutter of background light
9	@E260	There are multiple targets in the measurement, so it is impossible to measure the distance.	Determine the distance of the measured target and eliminate the phenomenon of target distance jump.
10	@E289	Contact our technical support.	/

▊	Sensor indicator description

The sensor status and PROFINET interface status are displayed by LED lights as described in the following table.

LED	explain	Possible cause of abnormality	debugging
Port2	PROFINET interface 2 LED lights green: normal operation LED off: the connection is disconnected.	The device did not shake hands with the master station. The sensor is damaged.	Contact our technical support.
Port1	PROFINET interface 1 LED lights green: normal operation LED off: the connection is disconnected.	The device did not shake hands with the master station. The sensor is damaged.	Contact our technical support.
Power(Error)	Sensor status The LED lights green: the sensor is normal. The LED is red: the sensor is abnormal.	Not running. The sensor is damaged.	Check the operating voltage. Check the corresponding error code and eliminate the exception as instructed. Contact our technical support.