User Guide


N R C 1
A I 1
N L K2
W N G2
S D 4

N R C 1
R N 1
T L K2
A N G2

5°ormore
5°ormore
Fig-8.Parallelinstallation
(2)Changingtheangleofinstallation
ChangetheinstallationangleofSE2Lby5degrees or more
fromthemutualdetectionplane.
Detectionplane
Detectionplane
5°ormore
Fig-9.Oppositeinstallation






S /
N K
NNG
L K2
NNG2
S D
Detectionplane
5°ormore
Detectionplane
Fig-10.Parallelinstallation
(3)AddingashieldbetweenSE2Ls
AddashieldbetweenSE2Ls such thatlaserbeamofoneunit
cannotreachtheothertoavoidthepossiblemutualinterference.
Detectionplane
Detectionplane
Shield
Fig-11.Oppositeinstallation
S  2
I R C 1
A N G
I E O 2
R N 2
O D 4
S 1
T O K
W N G
T O K2
A I G2
S 3 4
Detectionplane Detectionplane
Shield
Fig-12.Parallelinstallation
8.Highreflectivebackground
Measuredvaluewillbelongerthantheactualdistanceoftheobject
due to high reflective background leading to wrong detection.
Whenhighreflectivebackgroundcannotbeavoidedintheworking
environment, additional distance of 200mm isnecessary while
configuringtheprotectionandwarningzones(Figure13).
9.Limiteddetectioncapabilityzone
Thelimiteddetectioncapabilityzoneisdefinedasaregionbetween
the optical window andstart of thedetection zone. The limited
detection capability zone of theSE2Lis 90mm from theoriginof
SE2L(Figure14).Presenceofobjectwithlowreflectancemaynotbe
detectedinthiszone.
Limiteddetection
capabilityzone
90mm
90mm
ProtectionzoneProtectionzone
Fig-14.Limiteddetectioncapabilityzone
10.Wiring
Wiringexampleandcautionsareshownbellow.
(1)Precautions
a)Duringelectricwiringmakesurethatalldevicesaredisconnected
frompowersupply. Switchoffallthepowersupplyduringwiring.
ConfirmthatpowersupplyisOFF.
b)DonotexceedcablelengthstatedinthespecificationofSE2L.
(2)Powersupply
Makesurethatpowersupplyiswithintherangeof24VDC±10%.For
batteryoperation,powersupplyshouldbewithintherangeof24VDC
-30%/+20%.SE2Lcouldbedamagedifratedoutputvoltageexceeds
thisrange.
(3)Wiringexample
Standard(Withmaximum32setsofarea)
※1
R1
S1
+24VDC
0VDC
OSSD1
OSSD2
INA
INA
INB
INB
INC
INC
IND
IND
INE
INE
WARNING1
WARNING2
RESREQ
RESET
FG(Shieldwire)
R2
Fig-15.WiringExample
R1andR2：Externalequipment(Safetyrelay,Electromagneticcontactor)
S1：Interlockresetswitch
※1.Refertosection5.(9)forthedetailonareaswitching.
(4)Wirecolorandfunction
Color Signal Function Description AWG
Brown +24VDC Power PowerSupply：24VDC 22
Blue 0VDC Power PowerSupply：0VDC 22
Red OSSD1 Output Protectionzoneoutput1 26
Yello OSSD2 Output Protectionzoneoutput2 26
Red/
Black
OSSD3/
WARNING1
Output
Warningzoneoutput1
Protectionzoneoutput3/
28
Yellow/
Black
WARNING2
OSSD4/
Output
Protectionzoneoutput4/
Warningzoneoutput2
28
Purple INA 28
Gray INB
/ MUTING3 Input AreaSwitchingInputB/Mutinginput3
White
INC/
OVERRIDE1/
ENC1A
Input
AreaSwitchingInputC/Overrideinput1/
Encoderinput1A
28
Pink
IND/
MUTING1/
ENC1B
Input
AreaSwitchingInputD/Mutinginput1/
Encoderinput1B
28
Green INE/EDM1 Input
AreaSwitchingInputE/
Externaldevicemonitoring1
28
Purple/
Black
INA
_
Input AreaSwitchingInputAinvert 28
Gray/
Black
INB
_
/MUTING4 Input AreaSwitchingInputBinvert/Mutinginput4
White/
Black
INC/
OVERRIDE2/
ENC2A
Input
AreaSwitchingInputCinvert/
Overrideinput2/Encoderinput2A
28
Pink/
Black
IND
/
MUTING2/
ENC2B
Input
AreaSwitchingInputDinvert/
Mutinginput2/Encoderinput2B
28
Green/
Black
INE
/EDM2 Input
AreaSwitchingInputEinvert/
Externaldevicemonitoring2
28
Table-3.Inputcombinationforareaswitching(Inthecaseof5Input)
(10)Incrementencoder
InSE2Lthereare2pairsofencoderinputterminals for connecting
2units ofdualchannel incremental encoder signals.Area will be
switched depending on the encoder speed. Direction of travel
isdetectedbyencoder's phase A andphaseB signal that have
thephase difference of 90°.Speed androtating direction ofboth
encodersare constantlymonitored to detect abnormal traveland
stoptheAGV.
(11)Ethernetcommunication
Measurement dataofSE2Lcan be obtainedfrom the Ethernet
communication.ForthecommunicationspecificationofSE2L,contact
WaterproofEthernetconnectorislocatedatthebackofSE2L.
To connect sensor with PC use an Optional Ethernet cable
(SE9Z-HS2-XCD13).
●
EthernetSetting
a)Defaultsetting
Factorydefaultvalueisshownbelow.
IPaddress   :192.168.0.10
Defaultgateway :192.168.0.254
Subnetmask :255.255.255.0
Portnumber :10940
b)ChangingtheIPaddress
IPaddresscanbechangedbyusingSLSprojectDesigner.Refer
tosection7.13and7.9.1fordetails,refertotheuserʼsmanual.
(12)FunctiontoconfigureSE2LbySDcard
ConfigurationgeneratedbySLSProject Designer can be savedin
aSDcard.ItispossibletotransferthesettingdirectlyfromtheSD
CardtoSE2LwithoutconnectingtoaPC.ThetypeofSDcardshould
beMicroSDcardwhenthisfunctionisused.
Createa projectfile with setthe serial numberandpasswordof
theSE2LandsaveitontheSDcardusingSLSProjectDesigner.
Whenthe SDcard isinsertedtothespecified SE2L,settingsare
automatically transferred. Settingwill notbe transferred to the
unspecifiedSE2L.
(13)Master-SlaveFunction
Maximum 4 units ofSE2Lcan be interconnected using RS-485
forMaster/slave operation.One unit willfunctionas a masterunit
communicatingwithupto3 units that function as slaves via safety
communicationchannel.UsetheSLSProjectDesignertoconfigure
thedevices.
Areaswitchingof theslaveunitislinked withthemasterunitwhile
theslaveunitstransmittheobjectdetectioninformationtothemaster
whichcontrolstheOSSD.Itisalsopossibletouseeachslaveunitʼs
OSSD.Figure5showstheconnectionexample.
SE2L
(Slave1)
SE2L
(Slave2)
SE2L
(Slave3)
SE2L
(Master)
RS485ー RS485＋
0V 24V 0V 24V
RS485ー RS485＋
0V 24V
RS485ー RS485＋
0V 24V
RS485ー RS485＋
0V 24V
24V
0V
 Controlsystem
INA〜E
RESET
EDM,etc.
OSSD
WA
RESREQ,etc.
Powersupply
Equipement,AGV
Fig-5.Connectionexample(WhenOSSDofslavesarenotinuse)
6.Lightinterference
SE2Luses pulsed laser forobject detection. Light sources in the
surrounding could interfere with its operation leading to false
detection.Usershouldexaminethe surroundings environments
beforeinstalling theSE2L. Some of thelightsourcesthatcould
interferewithSE2Lareasbelow.
①Incandescentlight
②Fluorescentlight
③Stroboscopiclight
④Flashingbeacon
⑤Sunlight
⑥Infraredlightsources
In casethelight source cannot be avoided during the operation,
SE2Lshouldbeinstalledwiththelightsourcelocatedat±5degrees
ormorefromthedetectionplanetopreventtheinterference(Figure
6).
Detectionplane
Detectionplanewith±5°ormore
Detectionzoneorigin
Lightsource
Lightsource
Fig-6.Protectionzoneorigin
7.Mutualinterference
Cautionsarerequiredwhile using two or more unitsofSE2Lor
identicalproductsaspulsedlasersignalfromoneanothercouldlead
to false detection.Figures below showtheinstallation method for
avoidingthemutualinterference.
(1)Changingtheheightofinstallation
Installatdifferentheightstoseparatethemutualdetectionplaneby5
degreesormore.
5°ormore
5°ormore
Fig-7.Oppositeinstallation
INA INB INC IND INE INA
＿
INB
＿
INC
＿

IND
＿
INE
＿
1 ON ON ON ON ON OFF OFF OFF OFF OFF
2 OFF ON ON ON ON ON OFF OFF OFF OFF
3 ON OFF ON ON ON OFF ON OFF OFF OFF
4 OFF OFF ON ON ON ON ON OFF OFF OFF
5 ON ON OFF ON ON OFF OFF ON OFF OFF
6 OFF ON OFF ON ON ON OFF ON OFF OFF
7 ON OFF OFF ON ON OFF ON ON OFF OFF
8 OFF OFF OFF ON ON ON ON ON OFF OFF
9 ON ON ON OFF ON OFF OFF OFF ON OFF
10 OFF ON ON OFF ON ON OFF OFF ON OFF
11 ON OFF ON OFF ON OFF ON OFF ON OFF
12 OFF OFF ON OFF ON ON ON OFF ON OFF
13 ON ON OFF OFF ON OFF OFF ON ON OFF
14 OFF ON OFF OFF ON ON OFF ON ON OFF
15 ON OFF OFF OFF ON OFF ON ON ON OFF
16 OFF OFF OFF OFF ON ON ON ON ON OFF
17 ON ON ON ON OFF OFF OFF OFF OFF ON
18 OFF ON ON ON OFF ON OFF OFF OFF ON
19 ON OFF ON ON OFF OFF ON OFF OFF ON
20 OFF OFF ON ON OFF ON ON OFF OFF ON
21 ON ON OFF ON OFF OFF OFF ON OFF ON
22 OFF ON OFF ON OFF ON OFF ON OFF ON
23 ON OFF OFF ON OFF OFF ON ON OFF ON
24 OFF OFF OFF ON OFF ON ON ON OFF ON
25 ON ON ON OFF OFF OFF OFF OFF ON ON
26 OFF ON ON OFF OFF ON OFF OFF ON ON
27 ON OFF ON OFF OFF OFF ON OFF ON ON
28 OFF OFF ON OFF OFF ON ON OFF ON ON
29 ON ON OFF OFF OFF OFF OFF ON ON ON
30 OFF ON OFF OFF OFF ON OFF ON ON ON
31 ON OFF OFF OFF OFF OFF ON ON ON ON
32 OFF OFF OFF OFF OFF ON ON ON ON ON
Area
contactthenearestdistributororsalesrepresentative.
28
28
_
Input AreaSwitchingInputA
Additional
distance(100+200mm)
Protectionzone
or
warningzone
Highreflective
background
Fig-13.Additionaldistanceunderhighreflectivebackground
*SpecificationofDistance
toleranceis“+100mm”.
100mm
200mm