SICK deTec4 Core User manual

OPERATING INSTRUCTIONS
deTec4 Core
Safety light curtain

Described product
deTec4 Core
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
This work is protected by copyright. Any rights derived from the copyright shall be
reserved for SICK AG. Reproduction of this document or parts of this document is only
permissible within the limits of the legal determination of Copyright Law. Any modifica‐
tion, abridgment or translation of this document is prohibited without the express writ‐
ten permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
This document is an original document of SICK AG.
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Contents
1 About this document........................................................................ 6
1.1 Scope......................................................................................................... 6
1.2 Target groups and structure of these operating instructions................ 6
1.3 Additional information.............................................................................. 7
1.4 Symbols and document conventions...................................................... 7
2 Safety information............................................................................ 9
2.1 General safety notes................................................................................. 9
2.2 Correct use................................................................................................ 9
2.3 Requirements for the qualification of personnel.................................... 10
3 Product description........................................................................... 11
3.1 Structure and function............................................................................. 11
3.2 Product characteristics............................................................................. 12
3.2.1 Absence of blind zones........................................................... 12
3.2.2 Automatic calibration of the protective field width................ 12
3.2.3 Status indicators...................................................................... 12
3.3 Example applications............................................................................... 15
4 Project planning................................................................................ 17
4.1 Manufacturer of the machine.................................................................. 17
4.2 Operator of the machine.......................................................................... 17
4.3 Design........................................................................................................ 17
4.3.1 Scanning range and protective field width............................. 18
4.3.2 Minimum distance from the hazardous point....................... 18
4.3.3 Minimum distance to reflective surfaces............................... 21
4.3.4 Protection against interference from systems in close prox‐
imity to each other................................................................... 22
4.4 Integration in electrical control................................................................ 22
4.4.1 Restart interlock...................................................................... 24
4.4.2 External device monitoring (EDM).......................................... 25
4.4.3 Connection diagrams.............................................................. 26
5 Mounting............................................................................................. 27
5.1 Safety......................................................................................................... 27
5.2 Unpacking.................................................................................................. 27
5.3 Installation................................................................................................ 27
5.3.1 Mount the QuickFix bracket.................................................... 29
5.3.2 Mount optional FlexFix bracket............................................... 30
5.3.3 Mount optional exchange bracket.......................................... 33
5.4 Attach information label........................................................................... 35
6 Electrical installation........................................................................ 36
6.1 Safety......................................................................................................... 36
6.2 System connection (M12, 5-pin)............................................................. 37
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6.3 System connection via connection cable (M12, 5-pin to 8-pin)............ 37
7 Commissioning.................................................................................. 38
7.1 Safety......................................................................................................... 38
7.2 Overview.................................................................................................... 38
7.3 Switching on.............................................................................................. 39
7.4 Align the sender and receiver.................................................................. 39
7.5 Checks....................................................................................................... 42
8 Operation............................................................................................ 43
8.1 Safety......................................................................................................... 43
8.2 Regular test rod test................................................................................. 43
9 Maintenance...................................................................................... 46
9.1 safety......................................................................................................... 46
9.2 Regular cleaning....................................................................................... 46
9.3 Regular inspection.................................................................................... 47
10 Troubleshooting................................................................................. 48
10.1 Safety......................................................................................................... 48
10.2 Diagnostic LEDs........................................................................................ 48
10.2.1 Fault indicators........................................................................ 48
11 Decommissioning............................................................................. 51
11.1 Protection of the environment................................................................. 51
11.2 Disposal..................................................................................................... 51
12 Technical data.................................................................................... 52
12.1 Data sheet................................................................................................. 52
12.2 Response time.......................................................................................... 54
12.3 Power consumption.................................................................................. 54
12.4 Table of weights........................................................................................ 55
12.5 Dimensional drawings.............................................................................. 56
13 Ordering information........................................................................ 57
13.1 Scope of delivery...................................................................................... 57
13.2 Ordering information deTec4 Core.......................................................... 57
14 Accessories........................................................................................ 59
14.1 Brackets.................................................................................................... 59
14.2 Mounting accessories.............................................................................. 60
14.3 Weld spark guard...................................................................................... 61
14.4 Connectors................................................................................................ 61
14.5 Alignment aid............................................................................................ 62
14.6 Deflector mirrors....................................................................................... 63
14.6.1 Mounting.................................................................................. 63
14.6.2 Change in scanning range using deflector mirrors................ 63
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14.6.3 Deflector mirror PNS75 - ordering information...................... 64
14.6.4 Deflector mirror PSN125 - ordering information................... 64
14.7 Mirror columns and device columns....................................................... 64
14.7.1 Mirror columns......................................................................... 64
14.7.2 Device columns........................................................................ 65
14.8 Cleaning agent.......................................................................................... 65
14.9 Test rods.................................................................................................... 65
15 Annex.................................................................................................. 66
15.1 Compliance with EU directives................................................................. 66
15.2 Checklist for initial commissioning and commissioning........................ 67
16 List of figures..................................................................................... 68
17 List of tables....................................................................................... 69
CONTENTS
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1 About this document
These operating instructions contain information required during the life cycle of the
safety light curtain.
These operating instructions are available to all those who work with the safety light
curtain.
Please read these operating instructions carefully and make sure that you understand
the content fully before working with the safety light curtain.
1.1 Scope
These operating instructions only apply to the deTec4 Core safety light curtain with one
of the following type label entries in the Operating Instructions field:
•8014251
•8014251/WQ70
•8014251/WS65
•8014251/Y310
This document is included with the following SICK part numbers (this document in all
available language versions):
8014251/YST2
1.2 Target groups and structure of these operating instructions
These operating instructions are intended for the following target groups: Project devel‐
opers (planners, developers, designers), installers, electricians, safety experts (e.g., CE
authorized representatives, compliance officers, persons who test and approve the
application), operators, and maintenance personnel.
The structure of these operating instructions is based on the life cycle phases of the
safety light curtain: Project planning, mounting, electrical installation, commissioning,
operation, and maintenance.
In many applications, the target groups are assigned as follows to the manufacturer
and the organization operating the machine in which the safety light curtain is inte‐
grated:
Area of responsibility Target group Special chapters of these operating instruc‐
tions 1)
Manufacturer Project developers
(planners, developers,
designers)
Project planning, page 17
Technical data, page 52
Accessories, page 59
Installers Mounting, page 27
Electricians Electrical installation, page 36
Safety specialists Project planning, page 17
Commissioning, page 38
Technical data, page 52
Checklist for initial commissioning and com‐
missioning, page 67
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Area of responsibility Target group Special chapters of these operating instruc‐
tions 1)
Operating company Operator Operation, page 43
Troubleshooting, page 48
Maintenance person‐
nel
Maintenance, page 46
Troubleshooting, page 48
Ordering information, page 57
1) Chapters not listed here are intended for all target groups. All target groups must take into account the
safety and warning instructions of the complete operating instructions!
In other applications, the operating organization is also the manufacturer of the equip‐
ment with the corresponding allocation of the target groups.
1.3 Additional information
www.sick.com
The following information is available on the Internet:
•versions in other languages
•data sheets and application examples
•CAD data of drawings and dimensional drawings
•certificates (e.g. EU declaration of conformity)
•Guide for Safe Machinery (Six steps to a safe machine)
1.4 Symbols and document conventions
The following symbols and conventions are used in this document:
Safety notes and other notes
DANGER
Indicates a situation presenting imminent danger, which will lead to death or serious
injuries if not prevented.
WARNING
Indicates a situation presenting possible danger, which may lead to death or serious
injuries if not prevented.
CAUTION
Indicates a situation presenting possible danger, which may lead to moderate or minor
injuries if not prevented.
NOTICE
Indicates a situation presenting possible danger, which may lead to property damage if
not prevented.
NOTE
Indicates useful tips and recommendations.
Instructions to action
bThe arrow denotes instructions to action.
1. The sequence of instructions for action is numbered.
2. Follow the order in which the numbered instructions are given.
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LED symbols
These symbols indicate the status of an LED:
The LED is off.
The LED is flashing.
The LED is illuminated continuously.
Sender and receiver
These symbols indicate the sender and receiver of the safety light curtain:
The symbol indicates the sender.
The symbol indicates the receiver.
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2 Safety information
This chapter contains information on general safety for the safety light curtain.
More safety information about specific usage situations of the safety light curtain is
available in the respective chapters.
2.1 General safety notes
DANGER
Hazard due to lack of effectiveness of the protective device
In the case of non-compliance, it is possible that the dangerous state of the machine
may not be stopped or not stopped in a timely manner.
bRead this document carefully and ensure that you have fully understood the con‐
tents before you work with the device.
bPay particular attention to all safety notes in this document.
2.2 Correct use
The deTec4 Core safety light curtain is an electro-sensitive protective device (ESPE) and
is suitable for the following applications:
•Hazardous point protection
•Access protection
•Hazardous area protection
The deTec4 Core safety light curtain must only be used within the limits of the prescri‐
bed and specified technical data and operating conditions at all times.
Any instance of improper use, incorrect modification, or manipulation of the
deTec4 Core safety light curtain shall void any warranty provided by SICK AG; further‐
more, SICK AG shall not accept any responsibility or liability for any resulting damage
and consequential damage.
Foreseeable misuse
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
The safety light curtain works as an indirect protective measure and cannot provide pro‐
tection from parts thrown out nor from emitted radiation. Transparent objects are not
detected.
bOnly use the safety light curtain as an indirect protective measure.
Among others, the deTec4 Core safety light curtain is not suitable for the following
applications:
•Outdoors
•Under water
•In explosive environments
•At altitudes over 3,000 m above sea level
•In environments with enhanced ionizing radiation
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2.3 Requirements for the qualification of personnel
The safety light curtain must be configured, installed, connected, commissioned and
serviced only by qualified safety personnel.
Project planning
For project planning, a person is considered competent when he/she has expertise and
experience in the selection and use of protective devices on machines and is familiar
with the relevant technical rules and national work safety regulations.
Mechanical mounting
For mechanical mounting, a person is considered competent when he/she has the
expertise and experience in the relevant field and is sufficiently familiar with the appli‐
cation of the protective device on the machine that he/she can assess its operational
safety status.
Electrical installation
For electrical installation, a person is considered competent when he/she has the
expertise and experience in the relevant field and is sufficiently familiar with the appli‐
cation of the protective device on the machine that he/she can assess its operational
safety status.
Commissioning
For commissioning, a person is considered competent when he/she has the expertise
and experience in the relevant field and is sufficiently familiar with the application of
the protective device on the machine that he/she can assess its operational safety sta‐
tus.
Operation and maintenance
For operation and maintenance, a person is considered competent when he/she has
the expertise and experience in the relevant field and is sufficiently familiar with the
application of the protective device on the machine and has been instructed by the
machine operator in its operation.
An operator may clean the safety light curtain and carry out specific checks as
instructed. Additional information for the operator of the machine: see "Operation",
page 43 and see "Regular cleaning", page 46.
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3 Product description
This chapter provides information on the operation of the safety light curtain and shows
examples of its range of use.
3.1 Structure and function
The deTec4 Core safety light curtain is an electro-sensitive protective device (ESPE)
consisting of a sender and receiver.
A series of parallel infrared light beams form a protective field between sender and
receiver that protects the hazardous area (hazardous point, access, and hazardous
area protection). When one or more beams are completely interrupted, the safety light
curtain reports the interruption in the light path to the secure output signal switching
devices (OSSDs) by a signal change. The machine or its control must evaluate the sig‐
nals reliably (e.g., by means of a safety controller or a safety relay) and bring an end to
the dangerous state.
Sender and receiver automatically synchronize themselves optically. An electrical con‐
nection between both components is not required.
Figure 1: Sender and receiver
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Protective field height
The protective field height indicates the range in which the test rod belonging to the
safety light curtain is detected. The size of the safety light curtain determines the pro‐
tective field height. The design and construction of the deTec4 Core safety light curtain
extends the protective function of a device to the end of the housing without any blind
zones.
Protective field width
The protective field width is the dimension of the light path between sender and
receiver. The maximum protective field width is limited by the scanning range.
Resolution
The resolution describes the size of the smallest object detected by the safety light cur‐
tain in the protective field. The resolution corresponds to the diameter of the test rod
belonging to the safety light curtain, which is reliably detected when in the protective
field.
With the appropriate resolution, the safety light curtain provides finger and hand protec‐
tion.
Information on protective field height, protective field width, and resolution: see "Data
sheet", page 52.
Scanning range
The available resolution variants are 14 mm (0 m to 7 m scanning range) and 30 mm
(0 m to 10 m scanning range).
The scanning range is reduced by using deflector mirrors and/or a weld spark guard,
see "Deflector mirrors", page 63, see "Weld spark guard", page 61.
3.2 Product characteristics
3.2.1 Absence of blind zones
The design and construction of the safety light curtain extends the protective function
of a device to the end of the housing without any blind spots. The absence of blind
zones reduces the space requirement when integrated in the machine.
3.2.2 Automatic calibration of the protective field width
When switched on, the safety light curtain automatically calibrates to the protective
field width.
3.2.3 Status indicators
The sender and receiver LEDs indicate the operating status of the safety light curtain.
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Sender indicators
Resolution 30 mmResolution 14 mm
ERR
PWR
ERR
PWR
Figure 2: Sender indicators
The sender has two LEDs, which indicate the operating status:
Position LED color Indication Labeling
1 Yellow Status indicator PWR
2 Red Fault indicator ERR
Complete overview of the LED statuses and their meanings: see "Diagnostic LEDs",
page 48.
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Receiver indicators
Resolution 30 mmResolution 14 mm
ERR
OSSD
ERR
OSSD
1 2 3 4
1 2 3 4
2
1
3
Figure 3: Receiver indicators
The receiver has six LEDs, which indicate the operational status:
Position LED color Indication Labeling
1 Red/green OSSD status OSSD
2 Red Fault indicator ERR
3 Blue Alignment quality 1, 2, 3, 4
The blue alignment quality LEDs in combination with the red flashing ERR LED also
denote fault indications.
Complete overview of the LED statuses and their meanings: see "Diagnostic LEDs",
page 48.
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3.3 Example applications
Figure 4: Hazardous point protection
Figure 5: Access protection
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Figure 6: Hazardous area protection
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4 Project planning
This chapter includes important information about the proper integration of the safety
light curtain in machines for planners, developers and designers.
4.1 Manufacturer of the machine
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
bUse of the safety light curtain requires a risk assessment. Check whether addi‐
tional protective measures are required.
bComply with the applicable national regulations derived from the application (e.g.,
work safety regulations, safety rules, or other relevant safety guidelines).
bDo not combine the components of the safety light curtain with components from
other safety light curtains.
bApart from for the procedures described in this document, the components of the
safety light curtain must not be opened.
bThe components of the safety light curtain must not be tampered with or changed.
bImproper repair of the protective device can lead to a loss of the protective func‐
tion. Do not carry out any repairs on the device components.
4.2 Operator of the machine
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
bChanges to the electrical integration of the safety light curtain in the machine con‐
trol and changes to the mechanical installation of the safety light curtain require
another risk assessment. The results of this risk assessment may require the oper‐
ator of the machine to meet the obligations of a manufacturer.
bApart from the procedures described in this document, the components of the
safety light curtain must not be opened.
bThe components of the safety light curtain must not be tampered with or changed.
bImproper repair of the protective device can lead to a loss of the protective func‐
tion. Do not carry out any repairs on the device components.
4.3 Design
This chapter contains important information about the design.
Information about the individual steps for installation of the device: see "Mounting",
page 27.
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DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
bMake sure that the following design requirements are met such that the safety
light curtain can fulfill its protective function.
°Sender and receiver must be arranged such that persons or parts of the body
are reliably detected when they enter the hazardous area.
°Reaching under, over, and around as well as moving the safety light curtain
must be prevented.
°If people can stop between the protective device and the hazardous point
without being detected, check if additional protective measures (e.g., restart
interlock) are required.
4.3.1 Scanning range and protective field width
Scanning range
The scanning range limits the maximum protective field width. The protective field width
cannot change during operation see "Technical data", page 52.
The scanning range is reduced by using deflector mirrors and/or a weld spark guard,
see "Deflector mirrors", page 63 and "Weld spark guard", page 61.
Protective field width
The protective field width is the dimension of the light path between sender and
receiver.
The protective field width is automatically calibrated when the safety light curtain is
switched on during initialization and must not be changed during operation.
DANGER
Hazard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
bThe safety light curtain can only be mounted on machines on which the protective
field width does not change when the safety light curtain is switched on.
4.3.2 Minimum distance from the hazardous point
A minimum distance must be maintained between the safety light curtain and the haz‐
ardous point. This distance is required to prevent a person or part of the body from
reaching the hazardous area before the end of the dangerous state of the machine.
DANGER
Hazard due to lack of effectiveness of the protective device
In the case of non-compliance, it is possible that the dangerous state of the machine
may not be stopped or not stopped in a timely manner.
bCalculate the required minimum distance for your machine.
bMount the safety light curtain taking this calculation into account.
Calculating minimum distance
The calculation of the minimum distance is based on international and national stand‐
ards and statutory requirements applicable at the place of installation of the machine.
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If the minimum distance is calculated according to ISO 13855, then it depends on the
following points:
•Machine stopping time (time interval between triggering the sensor function and
the end of the dangerous state of the machine)
•Response time of the protective device, see "Response time", page 54
•Reach or approach speed of the person
•Resolution (detection capability) of the safety light curtain
•Type of approach: Orthogonal or parallel.
•Parameters specified based on the application
For the USA (scope of OSHA and ANSI), different regulations may apply, e.g.:
a) Laws: Code of Federal Regulations, Title 29 (CFR29) Part 1910.217
b) Standards: ANSI B11.19
NOTE
Additional information is available in the ISO 13855 standard and in the Guide for Safe
Machinery.
NOTE
SICK offers a stopping/run-down time measurement service in many countries.
3
4
1
2
Figure 7: Minimum distance to hazardous point for orthogonal approach to protective field
1Minimum distance S
2Protective field height
3Hazardous point
4Depending on the application and distance, persons must be prevented from standing
behind the protective device.
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Calculation example of the minimum distance S according to ISO 13855
The example shows the calculation of the minimum distance for orthogonal approach
to the protective field. Depending on the application and the ambient conditions (e.g., a
protective field parallel or at an arbitrary angle to the direction of approach or an indi‐
rect approach), a different calculation may be required.
1. First, calculate S using the following formula:
S = 2,000 mm/s × T + 8 × (d – 14 mm)
Where:
°S = minimum distance in millimeters (mm)
°T = machine stopping time + response time of the protective device after
interruption in the light path in seconds (s)
°d = resolution of the safety light curtain in millimeters (mm)
The reach/approach speed is already included in the formula.
2. If the result S is ≤ 500 mm, then use the determined value as the minimum dis‐
tance.
3. If the result S is > 500 mm, then recalculate S as follows:
S = 1,600 mm/s × T + 8 × (d – 14 mm)
4. If the new value S is > 500 mm, then use the newly determined value as the mini‐
mum distance.
5. If the new value S is ≤ 500 mm, then use 500 mm.
Example calculation
Machine stopping time = 290 ms
Response time after interruption of the light path = 30 ms
Resolution of the safety light curtain = 14 mm
T = 290 ms + 30 ms = 320 ms = 0.32 s
S = 2,000 mm/s × 0.32 s + 8 × (14 mm – 14 mm) = 640 mm
S > 500 mm, therefore:
S = 1,600 mm/s × 0.32 s + 8 × (14 mm – 14 mm) = 512 mm
Taking reaching over into account
If access to the hazardous area cannot be ruled out by reaching over a vertical protec‐
tive field, the height of the protective field and minimum distance of the electro-sensi‐
tive protective device must be determined. This is done by comparing the calculated
values based on the possible detection of limbs or body parts with the values resulting
from reaching over the protective field. The greater value resulting from this comparison
must be used.
Figure 8: Representation of the accessibility of electro-sensitive protective device by reaching
over. Left: Protective field that cannot be reached over. Right: Protective field that can be
reached over.
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