SICK WEU26-3 Operating Instructions Manual Download

Page: 36 / 44

Chapter

Operating Instructions

WSU/WEU26 3

8013338/YTA4/2016-03-24

Subject to change without notice

Ordering information

10.1

Devices

Part

Type

Part number

Single-beam photoelectric safety switch:
Sender unit

WSU26/3-103A00 1047984

Single-beam photoelectric safety switch:
Receiver unit, scanning range 0.5 m ... 20 m

WEU26/3-103A00 1047985

Single-beam photoelectric safety switch:
Receiver unit, scanning range 15 m ... 70 m

WEU26/3-203A00 1048379

10.2

Deflector mirror

Part

Type

Part number

Deflector mirror

PSK1

1005229

Bracket for PSK1 deflector mirror

BEF-GH

2009292

Spring fastening for deflector mirror PSK1

BEF-4AAAAHST3

2012473

Deflector mirror

PSK 45

5306053

Deflector mirror

PNS75-008

1026647

10.3

Accessories

Part

Type

Part number

Mounting bracket WSU/WEU

BEF-4WNAEFAL1

2007900

Alignment aid

AR60

1015741

Adapter for alignment aid AR60

4031156

PG expansion, PG 13.5 auf PG 21

5306052

PG cable entry PG 21 in the case of the usage
of two cables

5305978

Power supply, voltage supply 24 V DC, 2.1 A

7028789

Power supply, voltage supply 24 V DC, 3.9 A

7028790

Arc-suppression element RC-A
0.22 µF + 220

(115 ... 230 V)

6001224

Arc-suppression element RC-AD
2.2 µF + 100

(24 V)

6001225

Dust protection tube

1003556

Weather protection

1003619

Test rod bracket

BEF-3WNAAAAL1

2052249

Test rod, 30 mm

2022602

Tab. 15: Ordering
information devices

Tab. 16: Ordering
information deflector mirrors

Tab. 17: Ordering

information accessories

Summary of Contents for WEU26-3

Page 1: ...O P E R A T I N G I N S T R U C T I O N S WSU WEU26 3 Single beam Photoelectric Safety Switch en...

Page 2: ...t is protected by the law of copyright whereby all rights established therein remain with the company SICK AG Reproduction of this document or parts of this document is only permissible within the lim...

Page 3: ...ription 10 3 1 Special features 10 3 2 Operating principle of the device 10 3 2 1 Scanning range 11 3 2 2 Restart interlock 11 3 2 3 External device monitoring EDM 11 3 2 4 Front screen heating 11 3 3...

Page 4: ...6 2 2 Daily functional checks of the protective device 28 6 2 3 Regular inspection of the protective device by qualified safety personnel 29 7 Care and maintenance 30 8 Fault diagnosis 31 8 1 In the...

Page 5: ...3 devices They are also addressed to people who integrate the WSU WEU26 3 devices into a machine initialise its use or who are in charge of servicing and maintaining the device 1 3 Scope These operati...

Page 6: ...the device LED symbols describe the state of a diagnostics LED Examples Red The red LED is illuminated constantly Yellow The yellow LED is flashing Green The green LED is off Instructions for taking...

Page 7: ...ith IEC 61496 1 and IEC 61496 2 and may for this reason be used in controllers of safety category 4 in accordance with EN ISO 13849 SILCL3 in accordance with EN 62061 or up to PL e in accordance with...

Page 8: ...ulations safety rules other relevant safety regulations Manufacturers and operators of the machine on which the WSU WEU26 3 devices are used are responsible for obtaining and observing all applicable...

Page 9: ...sal of this device Contact your local SICK representative Information on the individual materials in the WSU WEU26 3 is given in chapter 9 Technical specifications from page 33 2 5 2 Separation of mat...

Page 10: ...ingle beam photoelectric safety switch consists of a WSU26 3 sender unit and a WEU26 3 receiver The sender unit WSU26 3 emits a beam of light that is received by the receiver unit WEU26 3 RW WSU26 3 W...

Page 11: ...g again after an error or an interruption of the light path Always operate the application with restart interlock Ensure an external restart interlock is always activated on the machine The WSU WEU26...

Page 12: ...iver WEU26 3 Display Green Yellow Red Meaning Output signal switching devices on light path unoccupied Output signal switching devices off light path interrupted or inadequate alignment or device not...

Page 13: ...chines or systems Fig 4 The devices are permanently mounted in the access area with the necessary safety distance from the nearest hazardous point If the light beam is interrupted by an object a switc...

Page 14: ...access protection A safety distance must be maintained between the protective field and the hazardous point This safety distance ensures that the hazardous point can only be reached after the dangero...

Page 15: ...here T Stopping run down time of the machine response time of the WSU WEU26 3 devices after light path interruption s S Safety distance mm K Approach speed 1 6 m s C Depending on the number of beams 1...

Page 16: ...ake monitor to compensate for wear Any additional response times must be accounted for in this calculation Dpf An additional distance added to the overall safety distance required This value is based...

Page 17: ...nimum distance a depends on the distance D between sender and receiver Sender and receiver optics have the same field of view The minimum distances to reflective surfaces only apply when the light pat...

Page 18: ...e sight protection walls or by reversing the transmission direction of a device WEU WEU WEU WEU WEU WEU WSU WSU WSU WSU WSU WSU 4 2 Mechanical mounting WSU26 3 and WEU26 3 are to be mounted to suit th...

Page 19: ...WSU WEU26 3 8013338 YTA4 2016 03 24 SICK AG Industrial Safety Systems Germany All rights reserved 19 Subject to change without notice Mounting Fig 9 Mounting possibilities using mounting brackets Moun...

Page 20: ...ors Fig 11 requires very precise alignment It is recommended to use the AR60 laser alignment aid The AR60 alignment aid is available as an accessory Tab 17 page 36 Number of mirrors WEU26 3 with short...

Page 21: ...ay occur the alignment of the system must be adjusted Sender and receiver must always be aligned such that there are no reflecting surfaces in the area of the field of view see Fig 13 90 90 WEU WSU 90...

Page 22: ...onal drawings all cables for the supply voltage and the relay connections must be electrically isolated Only open the device with appropriate protection against ESD i e pay attention to earthing In th...

Page 23: ...l connection between test contacts 10 and 11 on the WSU26 3 is interrupted for a certain amount of time see chapter 9 Technical specifications As a result the sender does not emit a beam of light and...

Page 24: ...troller with a suitable level of safety see Fig 15 The normally closed contacts are not allowed to be used for safety related functions If the downstream logic is realised using discrete contactors th...

Page 25: ...No R C 115 230 V 6001224 220 U 0 22 VF 24 V 6001225 100 U 2 2 VF Design encapsulated in plastic Connection wires NYAF 0 5 with cable lug Mounting using adhesive film or cable tie 5 4 Cross circuit mon...

Page 26: ...ceiver must be aligned in relation to each other Secure the plant system No dangerous movement possible Ensure that the dangerous state of the machine is and remains switched off During the alignment...

Page 27: ...cessory Tab 17 page 36 Screw the adapter to the AR60 mount the AR60 in front of the sender clamp switch on AR60 attach a piece of white cardboard or with cardboard reflective tape to the receiver beam...

Page 28: ...are correctly instructed by qualified safety personnel before being allowed to operate the machine Instructing the operating personnel is the responsibility of the machine owner 6 2 2 Daily functional...

Page 29: ...eceiver e g correct mounting of mechanical protective devices Check whether the protective device is effective for the set operating mode 6 2 3 Regular inspection of the protective device by qualified...

Page 30: ...tical properties may change Do not use aggressive cleaning agents Do not use abrasive cleaning agents Static charges cause dust particles to be attracted to the front screen You can reduce this effect...

Page 31: ...est after rectification of fault After rectifying a fault perform a complete function test as per chapter 6 2 Test notes 8 2 SICK support If you cannot remedy an error with the help of the information...

Page 32: ...ck on again If the error continues to occur Replace the device 1 Hz power up delay 90 Error in the supply voltage or unknown sender detected Switch the device off for at least 3 seconds and then back...

Page 33: ...4 IEC 61496 Safety integrity level 4 SIL3 IEC 61508 SILCL3 EN 62061 Category Category 4 EN ISO 13849 Performance Level 4 PL e EN ISO 13849 B10d value AC 15 230 V 0 4 A 1 x 10 6 switching operations AC...

Page 34: ...ontacts 2 normally open contacts 1 normally closed contact 2 normally closed contacts connected in parallel internally Contact material Ag alloy with Au coating Switching frequency 0 2 Hz Switching vo...

Page 35: ...ion 1 0 25 mm 2 0 75 mm 2 1 5 mm 2 14 m 42 m 83 m Ambient operating temperature 25 C 55 C Storage temperature 25 C 70 C Air humidity non dewing 15 95 Dimensions see Dimensional drawings Vibration resi...

Page 36: ...92 Spring fastening for deflector mirror PSK1 BEF 4AAAAHST3 2012473 Deflector mirror PSK 45 5306053 Deflector mirror PNS75 008 1026647 10 3 Accessories Part Type Part number Mounting bracket WSU WEU B...

Page 37: ...Ordering information 10 4 Dimensional drawings 50 116 15 5 65 95 96 156 65 65 14 17 5 34 128 M6 x 8 67 38 96 100 10 124 149 160 177 8 5 14 2 5 7 20 26 16 5 33 5 43 22 40 58 71 20 63 M8 x 30 SW13 M8 x...

Page 38: ...hout notice Ordering information 80 8 5 80 63 40 8 5 8 5 69 5 146 5 40 5 4 5 76 5 5 9 6 5 M 46 5 64 5 20 65 51 6 5 82 6 9 9 39 5 64 5 60 65 51 6 5 6 3 3 8 135 27 250 20 1 3 Fig 22 Spring fastening for...

Page 39: ...dustrial Safety Systems Germany All rights reserved 39 Subject to change without notice Ordering information 6 3 3 8 135 35 250 30 1 5 50 5 7 65 5 65 11 8 3 140 4 50 5 7 3 65 5 65 12 3 119 4 Fig 26 Ar...

Page 40: ...h EU directives EU declaration of conformity excerpt The undersigned representing the following manufacturer herewith declares that the product is in conformity with the provisions of the following EU...

Page 41: ...ures fitted and secured against manipulation which prevent reaching under over or around the ESPE Yes No 7 Has the maximum stopping and or stopping run down time of the machine been measured specified...

Page 42: ...for the calculation of the minimum distance to reflective surfaces 17 Tab 7 Reduction in the scanning range on the usage of deflector mirrors with 90 20 Tab 8 Distances of the deflector mirrors 21 Tab...

Page 43: ...veral sides 20 Fig 11 Two beam protection with one system WSU WEU26 3 21 Fig 12 Incorrect alignment of sender and receiver 21 Fig 13 Correct alignment of sender and receiver 21 Fig 14 Assignment of th...

Page 44: ...one 81 0 3 5309 2112 E Mail support sick jp Malaysia Phone 603 808070425 E Mail enquiry my sick com Netherlands Phone 31 0 30 229 25 44 E Mail info sick nl New Zealand Phone 64 9 415 0459 0800 222 278...

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