LNTECH MC Series User manual

MC Series Light Curtain
Instruction and Manual
Please read this document carefully and thoroughly before installation
and operation because the correct and optimum use of this product is
important for the personal safety.
Please give the user this document with the photoelectric protector if
you are an agent, a dealer or a machine manufacturer which forms a
complete set, because this document is important to guide the user
correctly to install and operate.
Shandong Laien Optic-electronic Technology Co.,Ltd

Content
1.Usage …………………… .... ……………………………………… 1
2. Features ………………… .... ……………………………………… 1
3. Tech Parameters ………… ... ……………………………………… 1
4. Specification ……………………………………………………… 2
5. MC I/O ……………………… ......... ………………… . …………… 3
5. 1.NPN Output I/ O Wiring ………… .. ………………… . …… .. …… 3
5. 2.NPN Output Wave …………………… .. ………………………… 3
5. 3.PNP Output I/O Wiring ………………………………… .. ……… 4
5. 4.PNP Output Wave …………………… ... ……… . ………… ... …… 4
6. Controller Options...... …………………………… . ……… . ……… 5
7. Reflection Influence of Ambient Objects …… …………………… 5
8. MC Light Curtain Mounting&Parts ………… ........ ………… ... …… 6
8. 1. Right-angle Bracket Installation 1 ……………………… .. ……… 6
8.2.Right-angle Bracket Installation 2 …………………… .. ………… 6
9. Debugging ……………………………………………… . ………… 7
9. 1. Device Debugging …………………………………… ... ………… 7
9. 2. Application,Check&Maintenance ………… ... ……… ... ………… 8
10.Troubleshooting …………… ... …………………………………… 9

Basic Instruction
1.Usage
1. MC light curtain is mainly used for mechanical processing equipment,
hazardous work places , machinery and equipment to prevent injury to the
operator and suffering injury or accident by into the dangerous region, to
protect personal safety.
2. MC light curtain is to be used alone or matching with safety
modules,such as the safety relay,emergency stop switch etc. to form
more complex control system for the alarm intruding into the dangerous
areas or equipments protection system interlock.
2. Features
1. Slim and Exquisite profile,installation with ease
2. Max .Protection heigh:1740mm, protection range :400~3500mm
3. Perfect self-checking ,redundancy design in the circuit to prevent
sending wrong signal to the control system.
4.Selectable Models with different light pitch and detecting height for
your actual application requirements
5.Perfect anti-interference ability to electromagnetic signal, flash light,
weld arc light and peripheral light.
6.Long-lasting,high reliability
7. Strong light passing,easy to align
8.Perfect self-defense function,such as the electrode protection, output
short protection etc.
9.Fast Response to avoid the danger at utmost.
10.Safety&Reliable NPN or PNP double output
3.Tech Parameters:
1

Operating Power DC24V ± 15 %
Output Transistor output( 100mA )
Max. Output Current 100mA (transistor)
Power Consumption < 3W
Ambient Temp.
-10 ℃ ～ 55 ℃
Humidity
20 ℃,RH ≤ 95% （no condensated water ）
Response Time 3ms ~ 18ms
Insulation Resistance > 100M Ω
Dielectric Strength AC1500V , 60s
Anti-interference to Light 10000Lux (incidence angle ≥ 5 ° )
Light Source Infrared, 940nm
Housing Sensor:aluminum alloy
Sealing Sensor:IP65
Resolution 1 9 mm , 2 9 mm , 4 9 mm
Protection Range 400 ~ 3500mm
Protection Height H= ( xx-1 ) × pitch, xx : beams
4.Specification
It consists of three parts which separated by"-",the first part means
the NO. of light beams,the second means light pitch,third part means the
output type,please remark it in order if the special controller required.
2

N --- NPN output
P --- PNP output
D --- NPN , PNP output each
Light axis pitch:
10 — 10mm ; 20 — 20mm
40 — 40mm ; 80 — 80mm
Beams:
04 、08 、12 、16 ……
5. MC light curtain I/O
1. PN P Output I/O Wiring
2. PNP Output Wave Type
3

Mark: the adjustable pulse-inversion test to meet special loading
requirements from customer.
3. NP N output I/O Wiring
4. NPN Output Wave Type
Mark: the adjustable pulse-inversion test to meet special loading
requirements from customer.
4

6. Controller Specification
There are 4 kinds of controller as below for your options
SR4P2A1B24N 、SR4P2A1B24P 、SR4P3A1B24 、ND controller,the
detailed usage and wiring in the corresponding instruction manual.
Please contact us for more information.
7. Peripheral Reflecting Surface Influence
If it has the smooth reflecting surface around the light curtain, like the
metal plate, the floor, the ceiling, the work piece, the cover, the partition
board, the glass plate and so on, the protector placement position must
be away from the reflecting surface farther than value A (m), value A can
be calculated by the formula in form, or be consulted from the
coordinates chart
The placement position schematic drawing of prevented the influence
from the reflecting surface around the light curtain
5

A. The smooth reflecting surface around the light curtain, can cause the
protector to lose the normal function, further to lose the protective
function.
B. The placement position of the protector, must be as far as possible
away from the reflecting object, or cover up the reflecting object,
eliminates the disturbance around the light curtain, guarantee the
security .
8.MC light curtain installation&parts(unit:mm)
1.Right-angle bracket installation 1
2. Right-angle bracket installation 2
Mark: If any special bracket,please contact us.

6
9. Debugging
Should do check carefully the same after finishing wiring to ensure of
correct connection. Don't provide power till everything is going well.
1. Debugging
①check power supply
To ensure the voltage same as that
marked,tolerance: ± 15%
②power on
To connect as per instruction and check carefully before
power on
③alignment
Adjust sensor's position and angle to make green light
off and red light on
④test
To interrupt each beam in turn to ensure device runs
well,
Light interrupting,red light on,green light off
Light passing:red light off,green light on
⑤mounting position
To ensure of the light curtain being active.
⑥fix the bracket
Fasten the crew to keep stable.
⑦test end

Item
Item
Item
Item Contents
Contents
Contents
Contents Means
Means
Means
Means Time
Time
Time
Time
Check
Check
Check
Check Check for light
curtain face
Confirmation of all passing, reflecting face
clean and no broken
Before operating
Confirmation of
incepting light (test
every beams)
Block one by one beam of light curtain;
check if indication states are norma l
Before operating
Check for protection
function
In entire protected slide travel (or onward
strokes between 30 to 180 degrees, is set
cam switch for "no protection" in
back-way), block light curtain, the slide of
press should stop immediately
Before operating
Check for screws Confirmation of all screws tightly fixed Six months
Check for wiring
terminates
Confirmation of all screws tightly fixed,
and all wiring well connected
Six months
Check for relay Confirmation of relays tightly installed,
well contacts and normal operation
Six months
7
2.Operation,Check and Maintenance
①. Notice
1. Before put into operation , check the protector to ensure that it runs normally.
2. During operation, do not change the position of light curtain.
3. When a malfunction happened, only professional technicians are allowed for
repairing.
4. Before replacing or installing protector and transmitting wires cables, power to
protector should be switched off. It is operated only by professional technicians.
5. During operation, do not let work pieces, tools or waste matters hit the protector.
②. Check and Maintenance
It is important to check and make maintenance for protector so as to ensure
operators' safety. Periodical check and maintenance shall be made.

8
10. Troubleshooting
9
Phenomenon
Phenomenon
Phenomenon
Phenomenon Reason
Reason
Reason
Reason Solution
Solution
Solution
Solution
The protector does not
work, various indicators
are not light up.
Power is not supplied. Inspect the power source and the
wiring, provide the correct power
source.
The protector works
intermittently, indicators
flicker.
The wiring of control cable is not good; Fix tight the screws of the
terminal.
The light curtain is not aiming correctly Adjust the light curtain again.
The protector indicators
display normally, but the
press can not run normally.
The protector output control wire OSSD1
and OSSD2 are broken with the press
control unit.
Wiring again and right.
The press control unit has a fault. Examine the press control unit.
Controller has a fault Consult form 8.2 simple troubles
of controller 2.
The protector indicators
display normally, but the
press can not stop when
the light curtain is blocked.
Short circuit OSSD1 ,Short circuit OSSD2
Examine the control unit.

SHANDONG LAIEN OPTIC-ELECTRONIC TECHNOLOGY CO., LTD.
West Shanbo Road, RenCheng Economic Development Zone, Jining,
Shandong, 272000, China
Tel: + 86-537-3 926517 Fax: + 86-537-3 926519
Http: //www.laien.cn E-mail: [e-mail]