Pepperl+Fuchs SLCT Series, SLCT*/35 Series, SCLT14, SCLT30, SCLT60 Original Instructions Manual
...
AOPD
3AA2
FACTORY AUTOM ATION
ORIGINAL INSTRUCTIONS
SLCT* and SLCT*/35
Safety Light Curtains
SLCT* and SLCT*/35 safety light curtains
With regard to the supply of products, the current issue of the following document is applicable: The
General Terms of Delivery for Products and Services of the Electrical Industry, published by the
Central Association of the Electrical Industry (Zentralverband Elektrotechnik und Elektroindustrie
(ZVEI) e.V.) in its most recent version as well as the supplementary clause: "Expanded reservation
of proprietorship"
SLCT* and SLCT*/35 safety light curtains
Contents
1 Introduction......................................................................... 5
1.1 Content of this Document .............................................................................5
1.2 Symbols Used...............................................................................................5
2 Safety information .............................................................. 7
3 Product Description ........................................................... 9
3.1 Use and Application ......................................................................................9
3.2 Indicators and Operating Controls ..............................................................11
3.3 Interfaces and Connections ........................................................................11
3.4 Scope of Delivery........................................................................................13
4 Installation......................................................................... 14
4.1 Planning and Preparation............................................................................14
4.2 Mounting.....................................................................................................18
4.3 Reflection....................................................................................................21
4.4 Connection and Operating Mode Setting ....................................................22
4.4.1 Signal Outputs on the Receiver Unit .......................................................23
4.4.2 Signal Inputs on the Transmitter Unit ......................................................24
4.4.3 Signal Inputs on the Receiver Unit..........................................................25
4.4.4 Typical Circuits .......................................................................................27
5 Commissioning................................................................. 28
5.1 Functional Testing .......................................................................................28
5.2 Multiple Positions ........................................................................................29
6 Maintenance and Repair .................................................. 31
6.1 Maintenance ...............................................................................................31
6.2 Periodic Checks ..........................................................................................31
6.3 Repairs .......................................................................................................32
7 Troubleshooting................................................................ 33
7.1 Troubleshooting ..........................................................................................33
8 Appendix ........................................................................... 35
8.1 Technical Data ............................................................................................35
8.1.1 Standards and Data for Functional Safety...............................................38
8.2 Profile Lengths and Mass............................................................................39
8.3 Dimensional Drawing ..................................................................................41
8.4 Type Code...................................................................................................41
8.5 Application Checklist...................................................................................47
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SLCT* and SLCT*/35 safety light curtains
Contents
8.6 Accessories................................................................................................ 49
8.6.1 Mounting Aid OMH-SLCT-01 ................................................................. 55
8.6.2 Mounting Aid OMH-SLCT-02 ................................................................. 55
8.6.3 Mounting Brackets OMH-SLCT-03 and OMH-SLCT-04 ......................... 56
8.6.4 Mounting Aid OMH-SLCT-05 ................................................................ 56
8.6.5 OMH-SLCT-12 -500 Muting Arm with Round Rod.................................. 56
8.6.6 OMH-07-01 Mounting Bracket for Circular Profiles ................................ 56
8.6.7 OMH-SLCT-100-xxxx Mounting Profile for Floor Mounting .................... 57
8.6.8 OMH-SLCT-110-xxxx Mounting Profile with Decorative Cover (Front) ... 57
8.6.9 OMH-SLCT-120-xxx Lateral Protective Covers for Mounting Profile ...... 57
8.6.10 OMH-SLCT-200 Floor Mount for Soil Column/Mounting Profile ............. 57
8.6.11 SLCT-M-01-xxxx Inclined Mirror for 90° Deflection ................................ 58
8.6.12 Alignment Aid ........................................................................................ 58
8.6.13 Test Rod ................................................................................................ 59
8.6.14 Connection Cables ................................................................................ 60
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SLCT* and SLCT*/35 safety light curtains
Introduction
1 Introduction
1.1 Content of this Document
This document contains safety-relevant information for usage of the device. You
need this information to use your product throughout the applicable stages of the
product life cycle. These can include the following:
■
Product identification
■
Delivery, transport, and storage
■
Mounting and installation
■
Commissioning and operation
■
Maintenance and repair
■
Troubleshooting
■
Dismounting
■
Disposal
Note!
For full information on the product, refer to the further documentation on the
Internet at www.pepperl-fuchs.com.
The documentation consists of the following parts:
■
Original instructions (present document)
■
EU declaration of conformity
■
Datasheet
For more information about Pepperl+Fuchs products with functional safety, see
www.pepperl-fuchs.com/sil.
1.2 Symbols Used
This document contains symbols for the identification of warning messages and of
informative messages.
Warning Messages
You will find warning messages, whenever dangers may arise from your actions. It
is mandatory that you observe these warning messages for your personal safety
and in order to avoid property damage.
Depending on the risk level, the warning messages are displayed in descending
order as follows:
Danger!
This symbol indicates an imminent danger.
Non-observance will result in personal injury or death.
Warning!
This symbol indicates a possible fault or danger.
Non-observance may cause personal injury or serious property damage.
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SLCT* and SLCT*/35 safety light curtains
Introduction
Caution!
This symbol indicates a possible fault.
Non-observance could interrupt the device and any connected systems and
plants, or result in their complete failure.
Informative Symbols
Note!
This symbol brings important information to your attention.
Action
This symbol indicates a paragraph with instructions. You are prompted to perform
an action or a sequence of actions.
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Safety information
2 Safety information
Read the following information carefully and follow this information when working
with the device. Failure to observe the safety information and warning messages
in this documentation can lead to malfunctions of the safety devices of the
machines or plants in which they are fitted.
This can result in serious personal injury or death.
Target Group, Personnel
Responsibility for planning, assembly, commissioning, operation, maintenance,
and dismounting lies with the plant operator.
The personnel must be appropriately trained and qualified in order to carry out
mounting, installation, commissioning, operation, maintenance, and dismounting
of the device. The trained and qualified personnel must have read and
understood the instruction manual.
Prior to using the product make yourself familiar with it. Read the instruction
manual carefully.
Reference to Further Documentation
Observe laws, standards, and directives applicable to the intended use and the
operating location.
If you use the device in safety-related applications, observe the requirements for
functional safety. You can find these requirements in the functional safety
documentation under www.pepperl-fuchs.com.
Intended Use
The device is only approved for appropriate and intended use. Ignoring these
instructions will void any warranty and absolve the manufacturer from any liability.
If you use the device in safety-related applications, observe the information for
safety function and safe state.
The safety light curtain may only be used in accordance with its intended purpose
as noncontact electro-sensitive protective equipment (ESPE) for securing
sources of danger and hazardous areas on machines and plants.
Ensure that this device is used only in accordance with the technical specification
described in these instructions. The device must not be used outdoors or in an
explosion-hazardous area.
Plant design
Before selecting and using the product, an assessment must be made to
determine whether this product is suitable for the intended application.
Pepperl+Fuchs has no influence on the selection and use of this product. The
warranty therefore only covers the consistent quality of the product.
Mounting and installation
If you install the device in safety-related applications, observe the requirements for
functional safety.
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SLCT* and SLCT*/35 safety light curtains
Safety information
Operation, maintenance, repair
If you are operating the device in applications related to safety, note the
requirements for functional safety.
Do not remove the nameplate.
Do not remove the warning markings.
Record the results of inspections and maintenance carefully.
Do not repair, modify, or manipulate the device.
If there is a defect, always replace the device with an original device.
Only use accessories specified by the manufacturer.
Delivery, Transport, Disposal
Keep the original packaging. Always store and transport the device in the original
packaging.
Disposing of device, packaging, and possibly contained batteries must be in
compliance with the applicable laws and guidelines of the respective country.
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SLCT* and SLCT*/35 safety light curtains
Product Description
3 Product Description
3.1 Use and Application
Product description
The SLCS safety light curtain is noncontact electro-sensitive protective equipment
(ESPE) for securing danger zones and hazardous areas.
The SLCT safety light curtain consists of a transmitter unit and receiver unit. The
protection field is formed by infrared light beams sent from the transmitter unit to
the receiver unit. The offset between the individual light beams determines the
minimum obstacle size (14 mm, 30 mm, 60 mm, or 90 mm) that can be reliably
detected in the entire protection field range.
The transmitter unit contains a certain number of transmitter diodes that emit
protective beams. The number of transmitter diodes is determined by the
protection field height and the size of the obstacle. The function mode A/B
enables the use of 2 adjacent safety light curtains.
The receiver unit detects the transmission beams, controls the two OSSD (Output
Signal Switching Devices) safety outputs and carries out tests to ensure safety.
In addition to the displays behind the front panel of the receiver unit, there is also a
PNP output, which indicates operational readiness, a dirty lens, or fault states. If
an internal fault occurs in the receiver unit, this output switches on and off at a
frequency of 5 Hz. If an external fault occurs, this output switches on and off at a
frequency of 1 Hz. If the received signal is too weak (e.g., due to a dirty lens), the
output switches on and off at a frequency of 2.5 Hz.
The test input on the transmitter unit initiates a test sequence. Activate the input by
applying 24 VDC to the input for a defined time span.
The relay monitor (RM) and restart (RI) inputs allow monitoring of the switching
elements connected externally to the OSSDs and activation of the startup/restart
interlock function.
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SLCT* and SLCT*/35 safety light curtains
Transmitter unit
24 V supply 24 V supply
OSSDs
Status / Select RI-RM
Restart Interlock (RI)
Relay Monitor (RM)
Beam Code A/B
Protection
Receiver unit
Test
Beam Code A/B
Product Description
Figure 3.1 Schematic diagram of a detection device
Product features
■
Type 4 ESPE in accordance with IEC/EN 61496-1
■
Self-testing
■
Obstacle size, depending on type, 14 mm, 30 mm, 60 mm, 90 mm
■
Protection field heights up to 1200 mm (SCLT14)
■
Protection field heights up to 2400 mm (SLCT30, SLCT60, SLTS90)
■
Protection field grids 100 mm (SLCT14, SLCT30)
■
Protection field grids 300 mm (SLCT60, SLCT90)
■
Selectable startup/restart interlock
■
Selectable relay monitor
■
Simple layout
■
Two OSSDs
Further information about the product
The following information about the SLCT series is provided in the appendix at the
end of this document:
Technical data: .
Available profile lengths/dimensions: see chapter 8.2.
Dimensional drawings: see chapter 8.3.
Product characteristics by type code: see chapter 8.4.
10
Available accessories: see chapter 8.6.
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SLCT* and SLCT*/35 safety light curtains
1 Power green
2 Mode A/B, Status yellow
3 OSSD OFF red
4 OSSD ON green
5 Restart/Status yellow
6 Mode A/B yellow
Transmitter
Receiver
1
2
3
5
4
6
1
Product Description
3.2 Indicators and Operating Controls
The transmitter has two LEDs to display its operating status.
The receiver has five LEDs to display its operating status.
Figure 3.2 Displays on the transmitter and receiver units
No. Designation LED Color Meaning
1 Power LED Green Transmitter and receiver units operating
2 A/B mode,
Yellow Indicator flashing at 1 Hz: testing time
status
3 OSSD OFF Red OSSDs switched off
4 OSSD ON Green OSSDs switched on
5 Restart/status Yellow On: protection field free: system ready to
6 Mode A/B Yellow Off: mode A
3.3 Interfaces and Connections
The electrical connections of the safety light curtain are made using M12 plug-in
connectors. The transmitter has a 4-pin connector and the receiver an 8-pin plugin connector.
Connect the power supply and, depending on the application, the test signal to
the transmitter unit. The mode can also be selected via the A/B mode input.
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exceeded
or A/B mode input level change
Indicator flashing at 5 Hz: internal fault
start
Indicator flashing at 1 Hz: external fault
Indicator flashing at 2.5 Hz: insufficient
functional reserve
Indicator flashing at 5 Hz: internal fault
On: mode B
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SLCT* and SLCT*/35 safety light curtains
1
3
4
2
1
4
6
7
8
53
2
0 V
24 V
OSSD 1/2
Product Description
Connect the power supply, the fail-safe outputs (OSSD), the status/select output
and the inputs for the startup enable, relay monitor and A/B mode to the receiver
unit.
The housing profile is connected internally with approx. 2.3 MOhm// 33 nF each at
+24 V and 0 V. Internal varistors limit any surges that occur at approx. 85 V. A
separate grounding or connection between the housing and functional ground is
not required.
Transmitter
Figure 3.3 Pin assignment transmitter unit
1 24 V DC
2 Mode A/B
3 0 V DC
4 Test
Receiver
Figure 3.4 Pin assignment receiver unit
1 Restart Interlock (RI)
2 24 V DC
3 Relaismonitor (RM)
4 Status / Select RI-RM
5 OSSD 1
6 OSSD 2
7 0 V DC
8 Mode A/B
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Product Description
3.4 Scope of Delivery
The scope of delivery includes:
Scope of delivery : transmitter
■
Transmitter
Scope of delivery : receiver
■
Receiver
■
I/O Manual
■
Test rod
Bracket and cable are not included in the scope of delivery. Visit www.pepperlfuchs.com for a selection of compatible fixing brackets and recommended cables.
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SLCT* and SLCT*/35 safety light curtains
Danger zone
Minimum interval S
Sending unit
Protec
tive field
Receiving unit
Installation
4 Installation
4.1 Planning and Preparation
Warning!
Danger to life due to ineffective protective equipment
Improper or incorrect alignment, fixing, and connection to machine control can
impair the effectiveness of the protective function.
■
Note the applicable standards, guidelines, and legal regulations for the
equipment of machine and plants with protective equipment.
■
Position the protective equipment to prevent persons from being able to
reach or walk behind it, climb over or under, or otherwise bypass the
equipment in any way.
■
Use appropriate safety distances to take into account the response times
and lag times of the components in the safety chain.
■
Secure the protective equipment against manipulation or deliberate
deactivation.
Safety distance
A minimum distance must be maintained between the protection field and the
danger zone to ensure potentially dangerous movements are brought to a stop
before contact with a person is possible.
Figure 4.1 Minimum distance between protection field and hazardous area
This distance is calculated from the lag time of the machine, the response time of
the safety system, and the speed of movement of the person entering the
hazardous area (ISO/EN 13855).
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Installation
To comply with the necessary distances in the event that the protection field
spreads, please refer to Table 1 of ISO/EN 13855 to check the minimum distance
for a vertically positioned protection field. If you read the value 0 from the table,
you can determine the minimum distance with the following formula:
S = K x T + C
Where, for a protection field align ed vertically to the hazardous area:
S Minimum safety distance in mm,
K Constant in mm/s for the speed of approach, bas ed on the detection
T Total response time of the protective equipment in s (T = t1 +t2)
t
1
t
2
C Additional distance in mm, see table
For any arrangements other than a vertical alignment of the protection field, see also
EN ISO 13855.
i.e. the distance between hazardous area and protection field
capacity of the sensor
Response time of the protective equipment See the table below.
Machine lag time
Number of
beams/res
olution
14 mm 30 mm 60 mm 90 mm
0 mm 128 mm 850 mm 850 mm
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SLCT* and SLCT*/35 safety light curtains
Installation
Response times of the safety light curtain
The safety light curtain response time is shown on the nameplate.
Protectio n
field height [mm]
Response
time [ms]
SLCT14-*
100 1 1 8 9 - - - -
200 1 5 10 11 - - - -
300 1 9 11 12 9 10 8 8
400 2 3 12 14 - - - -
500 2 6 14 16 - - - -
600 3 0 15 17 11 12 10 10
700 3 4 16 19 - - - -
800 3 8 17 21 - - - -
900 4 2 19 23 13 15 11 11
1000 46 20 25 - - - -
1100 50 21 26 - - - -
1200 54 23 28 15 17 12 12
1300 - 24 30 - - - -
1400 - 25 32 - - - -
1500 - 26 33 17 20 14 14
1600 - 28 35 - - - -
SLCT30-*
SLCT30-*/35
SLCT60-*
SLCT60-*/35
SLCT90-*
SLCT90-*/35
1700 - 29 37 - - - -
1800 - 30 38 19 23 15 15
1900 - 32 40 - - - -
2000 - 33 42 - - - -
2100 - 34 43 21 25 16 16
2200 - 35 45 - - - -
2300 - 37 47 - - - -
2400 - 38 48 23 28 17 17
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Installation
The switch-on time after beam interruption without a restart function is between
80 ms and 200 ms. The switch-on time depends on the number of protective
beams.
Notes on setting up safety light curtains
The protective equipment must be arranged in such a manner that it is impossible
to reach over, reach under, or walk behind the protection field. If the distance from
the protective equipment is too great, additional protective equipment must be put
in place (see illustration below).
Reaching over
The operator must not be able to reach over the protection field and into the
hazardous area (A: protection field, B: mechanical protection).
Walking behind
The machine operator must not be able to walk between the light curtain and into
the danger zone (A: protection field, B: mechanical protection).
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SLCT* and SLCT*/35 safety light curtains
Installation
4.2 Mounting
Warning!
Danger to life due to ineffective protective equipment
Improper or incorrect alignment, fixing, and connection to machine control can
impair the effectiveness of the protective function.
■
Check the positioning of the protective equipment and ensure that it is not
possible for persons to reach or walk behind it, climb over, under or
otherwise bypass the protective equipment.
■
Check the safety distances and the lag times of the components in the
safety chain.
■
Check that the protective equipment cannot be easily manipulated or
disabled.
Various mounting materials for mounting to machines or in the field are available
for securing the safety light curtain. See chapter 8.6.
If you are planning to install a safety light curtain with an increased detection
range, we recommend using mounting profiles for floor mounting from our
accessories range. See chapter 8.6.7.
Mounting
1. Align the transmitter and receiver units so that the two units are parallel with
one another and at the same height.
2. Align the transmitter and receiver units parallel with one another.
3. The stability alarm indicator helps with correct alignment.
When installing the safety light curtain in a hazardous area, a minimum distance
must be maintained between the protection field and the hazardous area. This
distance will ensure that movements that pose a danger to a person can be
brought to a stop before that person comes into contact with the source of danger.
The distance is calculated from the lag time of the machine, the response time of
the safety light curtain, and the speed of movement of the person entering the
hazardous area (EN ISO 13855, EN ISO 13857).
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SLCT* and SLCT*/35 safety light curtains
Distance S
Protective field
Danger
zone
Installation
Vertical approach
Figure 4.2 Explanation of the safety distance in a vertical arrangement of the protective
field
Where K = 2000 mm/s and C = 0 mm, e.g., for SLCT14...
or C = 128 mm, e.g., for SLCT30...
the calculation formula for a distance S of 105 mm up to and including 500 mm is:
S = 2000 mm/s * (t
+ t2) + C
1
Note!
If S is greater than 500 mm, then K = 1600 mm/s must be used for calculations:
S = 1600 mm/s * (t
+ t2) + C
1
S must be at least 500 mm. Lower results must be corrected to a minimum
distance of 500 mm.
Example: vertical arrangement
= 50 ms
t
1
t2 = 300 ms
Hand protection C = 128 mm
-3
S = 2000 mm/s * (350 * 10
s) + 128 mm
S = 700 mm + 128 mm = 828 mm
As S is > 500 mm, a smaller value can also be determined:
S = 1600 mm/s * (350 * 10-3 s) + 128 mm = 688 mm
The minimum distance between protection field and danger zone must therefore
be 688 mm. betragen.
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SLCT* and SLCT*/35 safety light curtains
Distance S
H (height above ground)
Protective field
Danger
zone
Installation
Parallel approach
Figure 4.3 Explanation of the safety distance in a horizontal arrangement of the
protective field
If the safety light curtain is aligned in a horizontal position, the safety distance S
will also depend on the height of the light curtain above the floor. The maximum
height H must not exceed 1000 mm.
Danger!
Risk of death due to possibility to bypass the protective function
If H is greater than 300 mm, there is a risk that access underneath the safety light
curtain will be possible.
Where height H is greater than 300 mm, the possibility of access must be factored
into the risk analysis or additional barriers must be used.
The safety distance is calculated as follows:
S = 1600 mm/s * (t
+ t2) + (1200 mm - 0.4 H)
1
Therefore (1200 mm - 0.4 H) ≥ 850 mm is required.
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SLCT* and SLCT*/35 safety light curtains
Reflecting object outside beam area
Obstacle
Sending unit Receiving unit
Minimum interval a
Installation
4.3 Reflection
Danger!
Danger to life due to reflection
If you do not comply with the minimum distances, objects or persons cannot be
safely detected in the beams of the protective equipment.
■
When aligning the protective equipment, ensure that the minimum distance
to reflective objects or surfaces on all sides of the protection field is
observed.
The required minimum distances are listed in the table in this
documentation.
■
Do not operate the protective equipment if diffuse dispersive media are
present.
■
Perform test rod tests throughout the whole area of the protection field. See
chapter 5. See chapter 6.2.
Ensure that there are no reflective objects within the transmitter or receiver path
that could deflect the beams around an obstruction (EN 61496-2).
Figure 4.4 Explanation to the risk of radiation protection of remirroring
Minimum distance between protection field and reflective surfaces
Protection field width [m] Minimum distance [mm]
0.2 ... 3.0 135
4.0 175
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5.0 220
6.0 265
8.0 350
10 450
15 660
20 880
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SLCT* and SLCT*/35 safety light curtains
Installation
Danger!
Danger to life due to indirect dispersion of light during operation below the specific
minimum range
If you operate the protective equipment below its specified minimum range, this
can lead to reflection caused by reflective or dispersive objects outside the
specified minimum distances. The resulting malfunction can cause a failure to
detect persons or objects.
■
Observe the minimum range of the protective equipment that you are using.
■
Never operate the protective equipment below this specified minimum
range!
■
During mounting, also note that the conditions for light beam dispersion
may change during operation, e.g. due to moving machine parts or optically
dispersive media.
4.4 Connection and Operating Mode Setting
Both the supply voltage and the system settings can be connected to the
transmitter unit and receiver unit. The following operating mode settings are also
available:
■
Startup interlock operating mode
■
Relay monitor operating mode
■
A/B mode operating mode
Startup interlock operating mode
Note!
When the input is open, the startup/restart interlock is activated.
The startup/restart interlock ensures that after the supply voltage has been turned
on, or after an interruption in the protection field, the operational readiness state is
indicated when the protection field is free. The start-up enable must then be
actuated so that the safety light curtain turns on the OSSDs.
The function can be activated or deactivated at the 8 pin connector of the receiver
SLCT.
An NC contact between the restart and +24 VDC input is required to trigger the
startup/restart interlock. The startup/restart interlock function does not work if the
restart input is bridged with the status/select output. If the input is not connected,
the startup/restart interlock is activated (see chapter 4.4.4).
Relay monitor operating mode
The relay monitor monitors the switching positions of the downstream output
relay. If the switching position of the relay does not match the signal from the
OSSDs, the system switches to safe mode. The status LED indicates that safe
mode is active.
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Installation
The function can be activated or deactivated at the 8 pin connector of the receiver
SLCT.
The two feedback contacts on the external switching elements must be placed
between 24 VDC and the relay monitor input in order to activate the relay monitor.
The relay monitor function is deactivated if the relay monitor input is bridged with
the status/select output.
Note!
An open relay monitor input results in a fault. The yellow indicator LED flashes at a
frequency of 1 Hz in case of a fault.
A/B mode operating mode
Operating mode A or operating mode B must be configured both on the
transmitter unit and on the receiver unit. The modes are used to prevent cross-talk
from adjacent SLCT safety light curtains.
4.4.1 Signal outputs on the receiver unit
Status/Select RI-RM output
The output indicates the same states as the restart/status indicator.
This signal output indicates operational readiness and is active when the
protection field is free and startup enable can be activated in order to switch on
the OSSD. Internal or external faults and a dirty lens, are also signaled at this
output.
If an external fault occurs, the output switches on and off at a frequency of 1 Hz.
The following faults may be the cause:
■
Relay monitor faulty
■
Low supply voltage
■
Short or crossed circuits at the OSSD outputs and
■
Level change at the mode input during operation
Internal faults cause the output to switch on and off at a frequency of 5 Hz.
If the safety light curtain is not adjusted correctly or the front lenses are not clean,
the output switches on and off at a frequency of 2.5 Hz.
The output is also used to define the preset operating mode during startup.
Bypassing this output to the restart and/or relay monitor inputs deactivates the
relevant operating mode.
OSSDs
The receiver has two safe outputs, which are short circuit and cross circuit proof.
The OSSDs switch off as soon as a light beam is interrupted. Switching times, .
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SLCT* and SLCT*/35 safety light curtains
Min. 0,4 x response time
Max. 0,8 x response time
Min. 0,4 x response time
Max. 1,2 x response time
min. 20 ms / max. 2,4 s
high
low
ON
OFF
OSSDs
Test
Installation
4.4.2 Signal Inputs on the Transmitter Unit
Test input
Connect the test input to 24 VDC via an NC contact. The test function is triggered
by opening the contact.
Note!
During operation without a startup/restart interlock, the test time must be limited to
150 ms.
The test input is used to start a complete test of the safety light curtain. During this
process, the OSSDs are switched off and all system components are checked.
Error messages from the transmitter unit are acknowledged by initiating a test.
Note!
A complete test is also carried out when the operating voltage is switched on. This
also applies to the receiver unit, which does not have a test input.
The time constraints of the test signal must be maintained for a test to be
successful ( see Figure 4.5 on page 24). On an SLCT30-600 safety light
curtain, for example, the time between the test requirement and the response to
the OSSDs is a minimum of 6 ms and a maximum of 18 ms. A test input actuation
time of fewer than 0.02 s or more than 2.4 s sw itches the transmitter unit to a fault
state.
Note!
In case of a fault, a fault reset can be triggered by activating the input between
1.2 s and 2.4 s.
Figure 4.5 Graphs of the OSSD switching states when initiating a test or reset
A/B mode input
If the input is open or connected to 0 V, the safety light curtain operates in mode A.
The inputs must be connected to the supply voltage 24 VDC to switch to mode B.
24
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SLCT* and SLCT*/35 safety light curtains
Installation
After the supply voltage is switched on, the transmitter or receiver unit selects
mode A or mode B, depending on the applied voltage.
Note!
Make sure that the transmitter unit and receiver unit are operating in the same
mode.
If the level at the input changes during operation, this is identified as a fault and
the system switches to safe mode.
4.4.3 Signal inputs on the receiver unit
Connect the restart (RI) and relay monitor inputs to the receiver unit with NC
contacts that switch 24 VDC. The function is triggered if the external control
contact is open for a defined period.
Restart (RI), startup/restart interlock input
The startup/restart interlock prevents the OSSDs from switching to ON after the
protection field is cleared or after the supply voltage is turned on when the
protection field is free. The safety function is only activated once the startup
enable button has been pressed.
An NC contact that switches the supply voltage must be connected to the input to
activate the safety function. If the start/restart interlock should be deactivated, the
input must be bridged with the status/select output. An open input also activates
the startup/restart interlock.
The input signal time is monitored and the actuation time should be active for
between 0.2 s to 1.2 s.
Note!
In the case of a fault, the fault can be reset by pressing and holding the startup
enable button for between 1.2 s and 2.4 s.
Danger!
Danger to life due to incorrectly positioned startup enable
If you install the button for the startup enable within the hazardous area or in a
position from which the hazardous area is not visible, this may result in the button
being pressed although personnel or objects are still located within the hazardous
area.
■
Mount the startup enable button in front of the hazardous area as follows:
• It must not be possible to activate the startup enable from within the
hazardous area, or to trigger a function that would mean the
protection field is interrupted by pressing the button.
• The hazardous area must be clearly visible from the location in
which the button is pressed.
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SLCT* and SLCT*/35 safety light curtains
Installation
Relay monitor input
Auxiliary contacts on switching elements connected downstream of the OSSDs
can be connected to the relay monitor input. This allows these elements to be
monitored. Use NC contacts (see chapter 4.4.4). All monitored switching
elements must be connected in series. One end of this series connection must be
connected to the positive power supply and the other end to the relay monitor
input.
The feedback contacts on the external switching elements must guarantee a
reliable contact at a voltage of 20 VDC and a current of 5 mA.
Danger!
Danger to life due to electric shock
Insufficient separation distances can negate the safe separation of a SELV/PELV
supply of the protective equipment. This can lead to a particularly high voltage on
the device and present a danger to life.
The protection class III of the protective equipment and the necessary safe
separation distance must be taken into account when designing the insulation
coordination of the electrical installation or machine.
For more information, also see IEC 60204, IEC 60664 and IEC 61140 and the
relevant national regulations.
If the external switching element is not activated within 200 ms, this is identified as
a fault and safe mode is activated.
To disable the function, the input must be bridged with the status/select output. An
open input also activates the relay monitor function.
A/B mode input
If the input is open or connected to 0 V, the safety light curtain operates in mode A.
The inputs must be connected to the supply voltage 24 VDC to switch to mode B.
After the supply voltage is switched on, the transmitter or receiver selects mode A
or mode B, depending on the applied voltage. Make sure that the transmitter and
receiver are operating in the same mode.
If the level at the input changes during operation, this is identified as a fault and
the system switches to safe mode.
26
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SLCT* and SLCT*/35 safety light curtains
24 V
0 V
Test
Transmitter unit Receiver
unit
Restart
Relay monitor
Restart
24 V
Relay monitor
Status / Select
OSSD1
OSSD2
0 V
Mode A/B
24 V
Mode A/B
0 V
Test
K1 K2
K2.1
K1.1
1
2
3
4
5
6
7
8
1
2
3
4
Transmitter unit Receiver
unit
Restart
24 V
Relaismonitor
Status / Select
OSSD1
OSSD2
0 V
Mode A/B
24 V
Mode A/B
0 V
Test
24 V
0 V
Test
Reset
Error
optional
1
2
3
4
5
6
7
8
1
2
3
4
K1 K2
Installation
4.4.4 Typical circuits
Figure 4.6 Connection example with relay monitor and restart in Mode A
Figure 4.7 Connection example without relay monitor and without restart in Mode A
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SLCT* and SLCT*/35 safety light curtains
Commissioning
5 Commissioning
5.1 Functional Testing
Check the function of the transmitter and receiver
1. Check whether the transmitter and receiver are aligned parallel to one another
and are at the same height.
2. Switch on the safety light curtain when the protection field is clear.
3. Adjust the transmitter and receiver so that the reception signal exceeds the
functional reserve.
If the reception signal falls below the functional reserve, the yellow
restart/status LED on the receiver flashes.
4. Check whether the two OSSD outputs are switching on correctly. The Ready
to start message appears unless this operating mode is deactivated by an
external circuit.
5. Use the supplied test rod to test the detection capability of the safety light
curtain to identify any detection gaps caused by reflective surfaces. (see
chapter 8.6.13).
6. Check the effectiveness of the switch-off function of the safety light curtain
and the response time of the safety function when a beam is interrupted.
7. If you are using the startup/restart interlock operating mode, test whether the
lock is enabled when the power is turned on and after the protection field is
interrupted.
Warning!
Danger to life due to unexpected machine startup if the startup/restart interlock is
incorrectly set up
If the startup/restart interlock does not function correctly when the power is
switched on and after the protection field is interrupted, this can lead to an
unexpected dangerous startup of the machine.
Before commissioning the machine, check whether the startup/restart interlock is
functioning correctly when the power is connected and following interruption of
the protection field.
8. Check the function of the test input when the protection field is clear by
applying 24 V to the test input.
The OSSDs switch off and switch the OSSDs back on again after the test
has been completed successfully.
If the function "Relay monitor" is activated, the monitored switching elements
following the OSSDs accordingly.
28
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SLCT* and SLCT*/35 safety light curtains
R1 T1 T2 R2
Commissioning
5.2 Multiple Positions
Note!
If several safety light curtains/safety light grids are operating close to each other,
care must be taken to prevent any cross-talk. You can use the operating modes
"A" and "B" to prevent cross-talk.
The illustration below shows a preferred layout.
Figure 5.1 Multiple assignm ent
Warning!
Danger to life due to interference from multiple photoelectric protective devices
If you use several pieces of photoelectric protective equipment in your plant, these
may interfere with each other if positioned too close together. The resulting
malfunction may result in a failure to detect persons or objects, or in OSSDs
switching off unintentionally.
■
When using multiple items of photoelectric protective equipment, ensure
during the planning stage and before commissioning that cross-talk is
prevented.
■
Optically shield the protective equipment devices from each other, if
necessary using structural methods.
■
Prevent optically active objects such as lenses or filters from entering the
beam path.
■
Ensure that structural methods cannot subsequently become ineffective.
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SLCT* and SLCT*/35 safety light curtains
Mode A
Mode B
R1 T1
T2
R2
Commissioning
When operating two safety light curtains with different modes A and B, another
arrangement is possible by positioning the transmitter units and receiver units
directly on top of each other. The connector plugs extend outwards in the
opposite direction. The SLCT30 provides a continuous protection field that is
divided into 2 security areas as a special feature. Suitable devices for head-tohead mounting: standard detection range, resolution 30 mm, 60 mm, or 90 mm
and protection field height of maximum 1200 mm per strip. The height of the
continuous protection field can therefore reach a maximum of 2400 mm.
Note!
This layout is not available for the device option with increased detection range
(SLCT*/35).
Figure 5.2 Head-to-head layout
30
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SLCT* and SLCT*/35 safety light curtains
Maintenance and Repair
6 Maintenance and Repair
6.1 Maintenance
The safety light curtain is maintenance free.
The prescribed periodic checks must be carried out and documented. The
checks to determine whether the components are fitted securely and whether the
optical surfaces are clean are important.
See chapter 6.2
Note!
Use a soft, lint-free cloth to clean the surfaces and to cover the lenses. Only use
alcohol or mineral spirits as cleaning fluids. Avoid the use of any other cleaning
agents, as they may damage or impair the lens surfaces.
6.2 Periodic Checks
The test intervals and scope of the periodic checks are determined according to
requirements.
Record the results of periodic check in accordance with the applicable
regulations.
Daily Check
1. Secure the machine or plant against unintentional startup before and during
the checks.
2. Make sure the protection field is clear.
3. Activate the startup enable.
4. Interrupt the protection field inside the protection field range using the test
rod. A test rod with a suitable obstacle size must be used.
5. Check the entire protection field at several points parallel to the transmitter or
receiver, in particular in front of the transmitter and receiver and in the center
between the transmitter and receiver, to find any detection gaps caused by
reflective surfaces.
The OSSD outputs switch off.
6. Slowly move the test rod through the protection field while watching the
displays on the receiver:
If the startup/restart interlock is activated: the yellow startup readiness
display does not light up.
If the startup/restart interlock is deactivated: the green status indicator of the
OSSD display does not light up.
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SLCT* and SLCT*/35 safety light curtains
Maintenance and Repair
7. Remove the test rod from the protection field while watching the displays on
the receiver:
If the startup/restart indicator is activated: the yellow startup readiness
indicator lights up.
If the startup/restart interlock is deactivated: the green status display of the
OSSD display lights up.
8. When the startup/restart interlock is activated, press the startup enable.
The green OSSD display lights up.
Warning!
Danger to life due to missing safety functions
If the protective equipment is not taken into account when checking the safety
functions of the whole plant, it is possible that it may no longer function safely
together with the other components.
■
The protective equipment must be included in any general checks on
machine safety functions.
■
This includes checking for proper alignment and installation.
■
In addition, adherence to the required response times must be tested.
6.3 Repairs
The device must not be repaired, changed, or manipulated. In case of failure,
always replace the device with an original device.
Danger!
Danger to life from using damaged or repaired devices.
Using a defective or repaired device can compromise its function and its electrical
safety.
■
Do not use a damaged or polluted device.
■
The device must not be repaired, changed or manipulated.
■
If there is a defect, always replace the device with an original device from
Pepperl+Fuchs.
32
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SLCT* and SLCT*/35 safety light curtains
Troubleshooting
7 Troubleshooting
7.1 Troubleshooting
Warning!
Danger to life due to an absence of safety functions in the event of dangerous
failure
If a device has failed so dangerously that one or more safety functions can no
longer be guaranteed, the operational safety of the affected machine or plant is
impaired as a consequence.
■
Decommission the affected machine or plant and the sensor system and
secure them to prevent recommissioning.
■
Replace the defective device with an original device from Pepperl+Fuchs.
■
Send the defective device to Pepperl+Fuchs with a description of the fault.
Warning!
Danger to life as the result of an absence of functional inspections
If you resolve a fault and do not subsequently check whether the device and the
protective function it enables are functioning correctly, this can prevent the
protective equipment from working.
■
After resolving the error, carry out a functional inspection to ensure that the
protective equipment is functioning again correctly.
■
Repeat the test steps described for commissioning. See chapter 5.
If a fault occurs, press the test contact (Reset). The receiver clears the fault state
by performing a system reset.
If this process does not correct the fault, attempt to return to normal mode by
switching off the power supply for at least 1 second, then switching it back on
again.
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SLCT* and SLCT*/35 safety light curtains
Troubleshooting
Eliminating Interference
Source of fault Cause Action
Transmitter:
Status indicator flashes
at 1 Hz
Transmitter:
Status indicator flashes
at 5 Hz
Receiver:
Status indicator flashes
at 5 Hz
Receiver:
Status indicator flashes
at 2.5 Hz
Receiver:
Status indicator flashes
at 1 Hz
Receiver:
OSSD status LED
lights up red
Receiver:
"Ready to start" status
indicator cannot be
acknowledged
External fault:
a) Test signal faulty
b) A/B mode input error
Internal error Briefly interrupt power supply or
Internal error Briefly interrupt power supply or
insufficient functional
reserve
External error:
a) Relay monitor error
b) Low voltage
c) A/B mo de input error
d) OSSD error
Beam interrupted or
adjustment error
Faulty restart button
connection
a) Check test sequence
b) Check wiring A/B input mode
press the restart button. If the error
occurs again, send for repair.
press the restart button for
approx. 1.5 s. If the error occurs
again, send for repair.
Clean the front panels;
adjust the transmitter and receiver.
a) Check relay monitor connection
b) Check the supply voltage
c) Check A/B input mode wiring
d) Check the OSSDs for crossed
or short circuits
Remove object from protection
field or adjust transmitters and
receivers.
Check restart connection
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SLCT* and SLCT*/35 safety light curtains
Appendix
8 Appendix
8.1 Technical Data
General data
SLCT*
Standard detection range
SLCT*/35
Increased detection
range
Effective operating
distance
Light emitter IRED IRED
Light type Infrared, modulated light,
LED risk group
designatio n
Protection field height See chapter 8.2 See chapter 8.2
Operating mode Startup/restart interlock,
Detectable obstacle size
(resolution)
Opening angle 5 ° 5 °
Ambient light limit Immune to ambient light,
0.2 ... 8 m 5 ... 20 m
850 nm
Free group in accordance
with DIN EN 62471
can be disabled
SLCT14: 14 mm;
SLCT30: 30 mm;
SLCT60: 60 mm;
SLCT90: 90 mm
conforming to IEC 614 962
Infrared, modulated light,
850 nm
Free group in accordance
with DIN EN 6247 1
Startup/restart interlock,
can be disabled
SLCT30: 30 mm;
SLCT60: 60 mm;
SLCT90: 90 mm
Immune to ambie nt light,
conforming to IEC 614962
Indicators/operating elements
SLCT*/35
SLCT*
Standard detection range
Increased detection
range
Operating indicator Green: power on Green: power on
Function indicator Green: OSSD ON, red:
Status indicator Transmitter unit: LED
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OSSD OFF
yellow: mode, test or error
Receiver unit: LED
yellow: ready to start,
functional reserve or error
Green: OSSD ON, red:
OSSD OFF
Transmitter unit: LED
yellow: mode, test or error
Receiver unit: LED
yellow: ready to start,
functional reserve or error
35
SLCT* and SLCT*/35 safety light curtains
Appendix
Electrical data
SLCT*
Standard detection range
SLCT*/35
Increased detection
range
Operating voltage 24 VDC (-20 %, +30 %);
power supply with safe
isolation: 24 VDC
The upstream power
supply for a safety light
curtain must be capable
of withstanding power
failures of up to 20 ms.
No-load current Transmitter unit:
≤ 150 mA
Receiver unit: ≤ 150 mA
(outputs open)
Power consumption Transmitter unit: 5 W
Receiver unit: 15 W
Protectio n class III, IEC 611 40 III, IEC 61140
24 VDC (-20 %, +30 %);
power supply with safe
isolation: 24 VDC
The up stream power
supply for a safety light
curtain must be capable
of withstanding power
failures of up to 20 ms.
Transmitter unit:
≤ 150 mA
Receiver unit: ≤ 150 mA
(outputs open)
Transmitter unit: 5 W
Receiver unit: 15 W
Inputs on the transmitter unit
SLCT*/35
SLCT*
Standard detection range
Transmitter unit test
Input format NC contact NC contact
Switching voltage 24 VDC (acting on the
contact)
Increased detection
range
24 VDC (acting on the
contact)
Input current 5 mA 5 mA
Actuation time 0.02 s ... 2.4 s 0.02 s ... 2.4 s
A/B mode transmitter unit
Function Mode A: open or 0 V
Mode B: 24 VDC, 5 mA
Mode A: open or 0 V
Mode B: 24 VDC, 5 mA
Inputs on the receiver unit
SLCT*/35
SLCT*
Standard detection range
Relay monitor rec eiver unit
Input format NC contact NC contact
Switching voltage 24 VDC (acting on the
contact)
Input current 5 mA 5 mA
Actuation time < 200 ms < 200 ms
Startup enable receiver unit
Input format NC contact NC contact
Increased detection
range
24 VDC (acting on the
contact)
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SLCT* and SLCT*/35 safety light curtains
Appendix
SLCT*
Standard detection range
SLCT*/35
Increased detection
range
Switching voltage 24 VDC (actin g on the
contact)
Input current 5 mA 5 mA
Actuation time 0.2 ... 1.2 s 0.2 ... 1.2 s
A/B mode receiver unit (see A/B mode trans mitter unit)
Function Mode B: 24 VDC, 5 mA Mode B: 24 VDC, 5 mA
24 VDC (acting on the
contact)
Outputs on the receiver unit
SLCT*/35
SLCT*
Standard detection range
OSSD output
Output format PNP semiconductor,
monitored for short circuit
and crossed circuit
Switching voltage ON: UB - 2 V
OFF: < 1 V
Switching current (max.) ON: max. 0.1 A
OFF: < 5 µA
Load inductance (max.) 1.0 H 1.0 H
Increased detection
range
PNP semiconductor,
monitored for short circuit
and crossed circuit
ON: UB - 2 V
OFF: < 1 V
ON: max. 0.1 A
OFF: < 5 µA
Load capacitance (max.) 220 nF 220 nF
Note The outputs are
permanently monitored
by short (max. 120 µs)
sampling pulses. You
must ensure that this has
no effect on the
downstream circuit.
Signal output
Output format PNP, short-circuit proof PNP, short-circuit proof
Switching current 0.1 A 0.1 A
The outputs are
permanently monitored
by short (max. 120 µ s)
sampling pulses. You
must ensure that this has
no effect on the
downstream circuit.
Ambient conditions
SLCT*/35
SLCT*
Standard detection range
Ambient temperature -35 ... 60 °C (-31 ...
140 °F)
Storage temperature -35 ... 70 °C (-31 ... 158
°F)
Relative hum idity Max. 95 %, not
condensing
Increased detection
range
-35 ... 60 °C (-31 ...
140 °F)
-35 ... 70 °C (-31 ... 158
°F)
Max. 95 %, not
condensing
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SLCT* and SLCT*/35 safety light curtains
Appendix
Mechanical data
SLCT*
Standard detection range
Housing length L
SLCT*/35
Increased detection
range
Connection Transmitter unit:
Material
Housing Extruded aluminum
Optical face Plastic disk, clear
Weight See chapter 8.2 See chapter 8.2
connector plug M12 x 1,
4 pin
Receiver unit: connector
plug M12 x 1, 8 pin
Cable cross section min.
0.25 mm
Cable length max. 50 m
profile, silver anodized
polycarbonate
2
8.1.1 Standards and Data for Functional Safety
Note!
For unlisted versions, the next-largest protection field height specified in the table
applies when the resolution of the PFHd value is the same.
Functional safety data
SLCT*
Standard detection range
Transmitter unit:
connector plug M12 x 1,
4 pin
Receiver unit: connector
plug M12 x 1, 8 pin
Cable cross sectio n min.
0.25 mm
Cable length max. 50 m
Extruded aluminum
profile, silver anodized
Plastic disk, clear
polycarbonate
SLCT*/35
Increased detection
range
2
38
Safety Integrity Level
(SIL)
Performance Level (PL) PL c PL c
Category Cat. 2 Cat. 2
Useful lifetime (TM) 20 a 20 a
Type 2 2
PFH
d
SIL 1 SIL 1
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SLCT* and SLCT*/35 safety light curtains
Appendix
SLCT*
Standard detection range
SLCT14-300 1.0E-07 -
SLCT14-600 -
SLCT14-900 -
SLCT14-1200 -
SLCT30-600 1.0E-07
SLCT30-900
SLCT30-1200
SLCT30-1800
SLCT30-2400
SLCT60-1200
SLCT60-2400
SLCT90-1200
SLCT*/35
Increased detection
range
SLCT90-2400
The PFHd values specified app ly up to the maximum ambient temperature.
For unlisted versions, the next-largest protection field height specified in the table
applies when the resolution of the PFHd value is the same.
Conformity with standards
Functional safety EN ISO 13849-1; EN 61508 part1-4
Product standard EN 61496-1; IEC 61496-2
Approvals and certificates
CE conformity CE
UL approval cULus Listed
UL File Number
E21524 5
CCC approval Products with a maxim um operating voltage of ≤ 36 V are not
TÜV approval TÜV
subject to approval and are therefore not assigned a CCC
marking.
8.2 Profile lengths and mass
Protection field height [mm]
100 219 140
200 319 200
300 419 250
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Overall length of the
transmitter / receiver unit
[mm]
Weight of transmitter /
receiver unit [g]
39
SLCT* and SLCT*/35 safety light curtains
Appendix
Overall leng th of the
transmitter / rece iver unit
Protectio n field heig ht [mm]
400 519 310
500 619 370
600 719 430
700 819 480
800 919 540
900 1019 600
1000 1119 650
1100 1219 710
1200 1319 760
1300 1425 820
1400 1525 880
1500 1625 940
[mm]
Weight of transmitter /
receiver unit [g]
1600 1725 990
1700 1825 1050
1800 1925 1100
1900 2025 1160
2000 2125 1210
2100 2225 1270
2200 2325 1320
2300 2425 1380
2400 2525 1440
40
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SLCT* and SLCT*/35 safety light curtains
Protection field 111.5 8.5
L 9.5
29.5
20
Protection field 111.5 8.5
L 9.5
29.5 5.0
20
Appendix
8.3 Dimensional drawing
SLCT14* with protection field height ≤ 1200 mm and
SLCT30*/35, SLCT60*/35, SLCT90*/35 with protection field heigh ts
≤ 2400 mm
Figure 8.1 Dimensions of the safety light curtain with protection field height ≤ 1200 mm
and ≤ 2400 mm
SLCT30*, SLCT60*, SLCT90* with protection field heights ≤ 1200 mm
Figure 8.2 Dimensions of the safety light curtain with protection field height ≤ 1200 mm
SLCT30*, SLCT60*, SLCT90* with protection field heights ≥ 1300 mm
Figure 8.3 Dimensions of the safety light curtain at ≤ 1300 mm
8.4 Type Code
Safety light curtains from the SLCT series are designated a code
acc ording to the following format:
S L C T XX - YYYY - Z - AAAA /35
Here, XX represents the obstacle size, YYYY the protection field height, Z the
device type, i.e. transmitter (T) or receiver (R), and AAAA a building regulation
which applies in individual cases.
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"/35" identifies the "increased detection range" option.
41
SLCT* and SLCT*/35 safety light curtains
Appendix
Protection field
Obstacle size
XX [mm] YYYY [mm] Z AAAA
14 100, 200, 300,
30 100, 200, 300,
60 300, 600, 900,
90 300, 600, 900,
height Device type
T, R No
1200
T, R No
2400
T, R No
2400
T, R No
2400
Building
regulation
specification
specification
specification
specification
Detection
range
Standard
Standard
Increased
detection
range "/35"
Standard
Increased
detection
range "/35"
Standard
Increased
detection
range "/35"
Type code "SCLT14-* (obstacle size 14 mm)
Protectio n field
height [mm]
100 SLCt14-100 SLCT14-100-T SLCT14-100-R
200 SLCT14-200 SLCT14-200-T SLCT14-200-R
Complete Transmitter unit (-T) Receiver unit (-R)
300 SLCT14-300 SLCT14-300-T SLCT14-300-R
400 SLCT14-400 SLCT14-400-T SLCT14-400-R
500 SLCT14-500 SLCT14-500-T SLCT14-500-R
600 SLCT14-600 SLCT14-600-T SLCT14-600-R
700 SLCT14-700 SLCT14-700-T SLCT14-700-R
800 SLCT14-800 SLCT14-800-T SLCT14-800-R
900 SLCT14-900 SLCT14-900-T SLCT14-900-R
1000 SLCT14-1000 SLCT14-1000-T SLCT14-1000-R
1100 SLCT14-1100 SLCT14-1100-T SLCT14-1100-R
1200 SLCT14-1200 SLCT14-1200-T SLCT14-1200-R
42
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SLCT* and SLCT*/35 safety light curtains
Appendix
Type code "SCLT30-* (obstacle size 30 mm) - standard detection ran ge
Protection field
height [mm] Complete Transmitter unit (-T) Receiver unit (-R)
100 SLCT30-100 SLCT30 -100-T SLCT30-100-R
200 SLCT30-200 SLCT30 -200-T SLCT30-200-R
300 SLCT30-300 SLCT30 -300-T SLCT30-300-R
400 SLCT30-400 SLCT30 -400-T SLCT30-400-R
500 SLCT30-500 SLCT30 -500-T SLCT30-500-R
600 SLCT30-600 SLCT30 -600-T SLCT30-600-R
700 SLCT30-700 SLCT30 -700-T SLCT30-700-R
800 SLCT30-800 SLCT30 -800-T SLCT30-800-R
900 SLCT30-900 SLCT30 -900-T SLCT30-900-R
1000 SLCT30-1000 SLCT30 -1000-T SLCT30-1000-R
1100 SLCT30-1100 SLCT30 -1100-T SLCT30-1100-R
1200 SLCT30-1200 SLCT30 -1200-T SLCT30-1200-R
1300 SLCT30-1300 SLCT30 -1300-T SLCT30-1300-R
1400 SLCT30-1400 SLCT30 -1400-T SLCT30-1400-R
1500 SLCT30-1500 SLCT30 -1500-T SLCT30-1500-R
1600 SLCT30-1600 SLCT30 -1600-T SLCT30-1600-R
1700 SLCT30-1700 SLCT30 -1700-T SLCT30-1700-R
1800 SLCT30-1800 SLCT30 -1800-T SLCT30-1800-R
1900 SLCT30-1900 SLCT30 -1900-T SLCT30-1900-R
2000 SLCT30-2000 SLCT30 -2000-T SLCT30-2000-R
2100 SLCT30-2100 SLCT30 -2100-T SLCT30-2100-R
2200 SLCT30-2200 SLCT30 -2200-T SLCT30-2200-R
2300 SLCT30-2300 SLCT30 -2300-T SLCT30-2300-R
2400 SLCT30-2400 SLCT30 -2400-T SLCT30-2400-R
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SLCT* and SLCT*/35 safety light curtains
Appendix
Type code "SCLT30-* (obstacle size 30 mm) - increased detection range
Protectio n field
height [mm] Complete Transmitter unit (-T) Receiver unit (-R)
100 SLCT30-100/35 SLCT30-100-T/35 SLCT30-100-R/35
200 SLCT30-200/35 SLCT30-200-T/35 SLCT30-200-R/35
300 SLCT30-300/35 SLCT30-300-T/35 SLCT30-300-R/35
400 SLCT30-400/35 SLCT30-400-T/35 SLCT30-400-R/35
500 SLCT30-500/35 SLCT30-500-T/35 SLCT30-500-R/35
600 SLCT30-600/35 SLCT30-600-T/35 SLCT30-600-R/35
700 SLCT30-700/35 SLCT30-700-T/35 SLCT30-700-R/35
800 SLCT30-800/35 SLCT30-800-T/35 SLCT30-800-R/35
900 SLCT30-900/35 SLCT30-900-T/35 SLCT30-900-R/35
1000 SLCT30-1000/35 SLCT30-1000-T/35 SLCT30-1000 -
1100 SLCT30-1100/35 SLCT30-1100-T/35 SLCT30-1100 -
1200 SLCT30-1200/35 SLCT30-1200-T/35 SLCT30-1200 -
1300 SLCT30-1300/35 SLCT30-1300-T/35 SLCT30-1300 -
1400 SLCT30-1400/35 SLCT30-1400-T/35 SLCT30-1400 -
1500 SLCT30-1500/35 SLCT30-1500-T/35 SLCT30-1500 -
1600 SLCT30-1600/35 SLCT30-1600-T/35 SLCT30-1600 -
1700 SLCT30-1700/35 SLCT30-1700-T/35 SLCT30-1700 -
1800 SLCT30-1800/35 SLCT30-1800-T/35 SLCT30-1800 -
1900 SLCT30-1900/35 SLCT30-1900-T/35 SLCT30-1900 -
2000 SLCT30-2000/35 SLCT30-2000-T/35 SLCT30-2000 -
R/35
R/35
R/35
R/35
R/35
R/35
R/35
R/35
R/35
R/35
R/35
2100 SLCT30-2100/35 SLCT30-2100-T/35 SLCT30-2100 -
2200 SLCT30-2200/35 SLCT30-2200-T/35 SLCT30-2200 -
2300 SLCT30-2300/35 SLCT30-2300-T/35 SLCT30-2300 -
2400 SLCT30-2400/35 SLCT30-2400-T/35 SLCT30-2400 -
44
R/35
R/35
R/35
R/35
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SLCT* and SLCT*/35 safety light curtains
Appendix
Type code "SCLT60-* (obstacle size 60 mm) - standard detection ran ge
Protection field
height [mm] Complete Transmitter unit (-T) Receiver unit (-R)
300 SLCT60-300 SLCT60 -300-T SLCT60-300-R
600 SLCT60-600 SLCT60 -600-T SLCT60-600-R
900 SLCT60-900 SLCT60 -900-T SLCT60-900-R
1200 SLCT60-1200 SLCT60 -1200-T SLCT60-1200-R
1500 SLCT60-1500 SLCT60 -1500-T SLCT60-1500-R
1800 SLCT60-1800 SLCT60 -1800-T SLCT60-1800-R
2100 SLCT60-2100 SLCT60 -2100-T SLCT60-2100-R
2400 SLCT60-2400 SLCT60 -2400-T SLCT60-2400-R
Type code "SCLT60-* (obstacle size 60 mm) - increased detection range
Protection field
height [mm] Complete Transmitter unit (-T) Receiver unit (-R)
300 SLCT60-300/35 SLCT60-300-T/35 SLCT60-300-R/35
600 SLCT60-600/35 SLCT60-600-T/35 SLCT60-600-R/35
900 SLCT60-900/35 SLCT60-900-T/35 SLCT60-900-R/35
1200 SLCT60-1200/35 SLCT60-1200-T/35 SLCT60-1200-
1500 SLCT60-1500/35 SLCT60-1500-T/35 SLCT60-1500-
1800 SLCT60-1800/35 SLCT60-1800-T/35 SLCT60-1800-
2100 SLCT60-2100/35 SLCT60-2100-T/35 SLCT60-2100-
2400 SLCT60-2400/35 SLCT60-2400-T/35 SLCT60-2400-
R/35
R/35
R/35
R/35
R/35
Type code "SCLT90-* (obstacle size 90 mm) - standard detection ran ge
Protection field
height [mm] Complete Transmitter unit (-T) Receiver unit (-R)
300 SLCT90-300 SLCT90 -300-T SLCT90-300-R
600 SLCT90-600 SLCT90 -600-T SLCT90-600-R
900 SLCT90-900 SLCT90 -900-T SLCT90-900-R
1200 SLCT90-1200 SLCT90 -1200-T SLCT90-1200-R
1500 SLCT90-1500 SLCT90 -1500-T SLCT90-1500-R
1800 SLCT90-1800 SLCT90 -1800-T SLCT90-1800-R
2100 SLCT90-2100 SLCT90 -2100-T SLCT90-2100-R
2400 SLCT90-2400 SLCT90 -2400-T SLCT90-2400-R
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SLCT* and SLCT*/35 safety light curtains
Appendix
Type code "SCLT90-* (obstacle size 90 mm) - increased detection range
Protectio n field
height [mm] Complete Transmitter unit (-T) Receiver unit (-R)
300 SLCT90-300/35 SLCT90-300-T/35 SLCT90-300-R/35
600 SLCT90-600/35 SLCT90-600-T/35 SLCT90-600-R/35
900 SLCT90-900/35 SLCT90-900-T/35 SLCT90-900-R/35
1200 SLCT90-1200/35 SLCT90-1200-T/35 SLCT90-1200 -
1500 SLCT90-1500/35 SLCT90-1500-T/35 SLCT90-1500 -
1800 SLCT90-1800/35 SLCT90-1800-T/35 SLCT90-1800 -
2100 SLCT90-2100/35 SLCT90-2100-T/35 SLCT90-2100 -
2400 SLCT90-2400/35 SLCT90-2400-T/35 SLCT90-2400 -
R/35
R/35
R/35
R/35
R/35
46
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SLCT* and SLCT*/35 safety light curtains
Appendix
8.5 Application Checklist
A list of important points should help you avoid errors when planning, setting up,
and using the protective equipment. This application checklist is not complete and
must be modified to suit each specific application.
Note!
Observing Applicable Standards and Laws
The relevant laws and standards that apply to the use of opto-electronic safety
devices must be followed. There are differences depending on the area of use.
Before installation
■
Have all the applicable standards and regulations been observed?
■
Does the technical data of the SLCT meet the requirements of the
application? This especially applies to detection capability, the protection
field height, and the operating voltage.
■
Is the overvoltage category required by EN 50178 or EN 60947-1 met at the
connections?
■
Is the electrical equipment, the wiring, and the overcurrent protection
designed in accordance with IEC 60204-1:2009?
■
Is there enough space for mounting and dismounting components?
■
Are the distances between the protection field and the hazardous area and
the surfaces to be reflected maintained as required?
■
Is the S LCT used indoors?
After installation
■
Is the startup enable input connected when the startup/restart interlock is
activated?
■
Is the ready-to-start signal lamp connected?
■
Is the test input connected?
■
Is the red/green indicator for signaling the status of the OSSD outputs in a
visible location?
■
Are all components correctly connected?
■
Has the SLCT been positioned so that the protection field cannot be
bypassed and people cannot enter the hazardous area undetected?
■
Is the S LCT aligned?
■
Have the necessary safety distances been maintained?
Commissioning
■
Has the detection capability of the SLCT been tested over the entire
protection field height using the test rod? This test should take place at
multiple locations and at least once in front of the transmitter and receiver
unit as well as at the central point between the transmitter and receiver.
■
Do the OSSD switching outputs trigger the requisite stop?
■
Has the reaction time of the protective equipment as a whole been
checked?
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SLCT* and SLCT*/35 safety light curtains
Appendix
Periodic check
■
Have the requisite tests and test intervals been determined?
■
Is the detection capability of the SLCT tested regularly over the entire
protection field height using the test rod?
■
Are the response times checked at regular intervals?
■
Is all machine safety equipment inspected at the required intervals?
■
Are all inspections documented?
48
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Appendix
8.6 Accessories
The following products are available as accessories:
Matching accessories for safety light curtains
No. Designation Illustration Description
1 OMH-SLCT-01 Mounting Aid
2 OMH-SLCT-02 Mounting Aid
3 OMH-SLCT-03 Mounting Aid
4 OMH-SLCT-04 Mounting Aid
5 OMH-SLCT-05 Mounting Aid
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SLCT* and SLCT*/35 safety light curtains
Appendix
No. Designation Illustration Description
6 OMH-SLCT-10 Mounting Aid
7 OMH-SLCT-11 Mounting Aid
8 OMH-SLCT-
12-500
9 OMH-07-01 Light barrier holder for
Muting arm with round
rod
muting round rod
50
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Appendix
No. Designation Illustration Description
10 OMH-SLCT-
100-1200
OMH-SLCT100-1500
OMH-SLCT100-2100
OMH-SLCT100-2500
Mounting profile for
floor mounting
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SLCT* and SLCT*/35 safety light curtains
Appendix
No. Designation Illustration Description
11 OMH-SLCT-
110-1200
OMH-SLCT110-1500
OMH-SLCT110-2100
OMH-SLCT110-2500
Mounting profile with
decorative cover (front)
52
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Appendix
No. Designation Illustration Description
12 OMH-SLCT-
120-1200
OMH-SLCT120-1500
OMH-SLCT120-2100
OMH-SLCT120-2500
13 OMH-SLCT-
200
Two lateral protective
covers for mounting
profile
Floor mount for soil
column/mountin g profile
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SLCT* and SLCT*/35 safety light curtains
Appendix
No. Designation Illustration Description
14 SLCT-M-01-
1200
SLCT-M-011500
SLCT-M-012100
SLCT-M-012500
Inclined mirror for 90°
deflection
15 AA SLCT-01 Profile alignment aid
16 TR
14/30/50/60
54
Test rod
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ø 4.3
8.3
16
ø 4.3
61.128
OMH-SLCT-02
OMH-SLCT-01
OMH-SLCT-02
OMH-SLCT-01
37
42.8
17.1
Appendix
Available Mounting Brackets
The mounting brackets enable light curtains and accessories to be mounted. A
complete mounting bracket is required to mount a transmitter and a receiver. The
mounting brackets are also suitable as a corner profile if two independently acting
light curtains are to be installed. For compatible mounting brackets, use the
search term SLCT-M *. on www.pepperl+fuchs.com.
8.6.1 Mounting Aid OMH-SLCT-01
Model number: OMH-SLCT-01
The transmitters/receivers can be secured using mounting aids that grip the
dovetail guide. Dovetail guides are located on three sides of the profile. When
mounting and aligning the unit, avoid subjecting the profile to mechanical tension.
A minimum of two mounting aids must be used to secure the transmitter and
receiver unit. If vibrations or shocks are expected, we recommend attaching
mounting aids at intervals of 500 mm.
8.6.2 Mounting Aid OMH-SLCT-02
Model number: OMH-SLCT-02
Figure 8.4 Dimensional drawing and assembly of the mounting aids OMH-SLCT-0 1 and
OMH-SLCT-02
The OMH-SLCT-02 mounting aid is used as a fixed bearing and secures the
position of the light curtain in the event of thermal expansion, vibration, or shock.
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SLCT* and SLCT*/35 safety light curtains
Appendix
8.6.3 Mounting brackets OMH-SLCT-03 and OMH-SLCT-04
Model number (fixed bearing): OMH-SLCT-03
Model number (movable bearing): OMH-SLCT-04
The longer mounting aid OMH-SLCT-03 has a higher clamping force than the
shorter mounting aid OMH-SLCT-04 and is therefore the preferred option for
assuming the function of the fixed bearing. A minimum of one fixed bearing and
one movable bearing is required to mount the device. If more than two mounting
aids are required for reasons of stability, the use of additional movable bearings is
recommended. If vibrations or shocks are expected, we recommend attaching
mounting aids at intervals of 500 mm.
The mounting aid OMH-SLCT-03 can also be used to connect 2 safety light
curtains or safety light grids. If the mounting aid is to be used for this application,
the metal bracket should be removed.
8.6.4 Mounting Aid OMH-SLCT-05
Model number: OMH-SLCT-05
The OMH-SLCT-05 mounting aid is a robust, swiveling holder with very large
pivoting range. The integrated dovetail groove terminal device enables the
mounting of profiles from the SLCS or SLCT series without any additional
accessories.
Features
■
Large pivoting range from -7° .. +110°
■
Very robust
■
Easily accessible screws
■
Integrated dovetail groove for mounting SLCS or SLCT
8.6.5 OMH-SLCT-12 -500 Muting arm with round rod
Mounting bracket, muting arm with round rod d=12 mm
■
Can be attached to groove in two directions
■
Fast assembly
8.6.6 OMH-07-01 Mounting bracket for circular profiles
Mounting bracket for circular profiles ø 12 mm or flat profiles 1.5 mm ... 3 mm
56
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Appendix
8.6.7 OMH-SLCT-100-xxxx Mounting profile for floor mounting
■
Eight grooves for mounting photoelectric sensors or accessories, three on
the inside and five on the outside
■
Corner mounting of photoelectric sensors with a directional difference of
90°
■
Cover prepared for indicator light mounting
Figure 8.5 Example of mounting a mounting aid OMH-SLCT-01 to a mounting column
8.6.8 OMH-SLCT-110-xxxx Mounting profile with decorative cover (front)
Mounting base for floor mounting with rear panel and cover plate
■
Eight grooves for mounting photoelectric sensors or accessories, three on
the inside and five on the outside
■
Corner mounting of photoelectric sensors with a directional difference of
90°
■
Cover prepared for indicator light mounting
■
Rear panel prepared for 3 sensors and 6 cable glands
8.6.9 OMH-SLCT-120-xxx Lateral protective covers for mounting profile
Lateral protection for the OMH-SLCT-100 and OMHSLCT- 110 mounting bases
8.6.10 OMH-SLCT-200 Floor mount for soil column/mounting profile
Features
■
Rotation of the SLCT-M- 01 inclined mirror around the physically preferred
rotational axis
■
Vertical adjustment decoupled from rotation
■
Mounting on ground anchors
■
Lead-away of lines in floor via hole for NW29 coupling nut and corrugated
hose
■
Base plate to compensate for uneven ground, particularly for brittle
surfaces
■
Only approx. 20 mm in height from bottom edge of base plate to top edge
of ground plate
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SLCT* and SLCT*/35 safety light curtains
ø 21
24.5
11.1
ø 5.5
20
139
14
23.4
21.5
PUSH
PUSH
Appendix
8.6.11 SLCT-M-01-xxxx inclined mirror for 90° deflection
Features
■
Rotation-invariant deflection of a light beam by 90° in the plane of
incidence, making it highly vibration-resistant
■
Translation-free deflection with no lateral beam shift with OMH-SLCT-200
floor mount
■
Silver-coated mirror glass
■
Mirror glass with low light absorption
■
Up to Ø 48 mm pencil of rays in the plane of incidence
8.6.12 Alignment aid
Order code: AA-SLCT-01
The transmitter and receiver should always be aligned at the same height in
parallel to one another. The AA-SLCT-01 alignment aid with bubble level assists
the perpendicular alignment of the profile. The AA-SLCT-01 alignment aid is
simply clipped into the groove on the side of the profile.
Figure 8.6 Dimensional drawing and assembly of the alignment AA-SLCT-01
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Appendix
8.6.13 Test rod
Order designation: TR 14/30/50/60
The detection capability of a safety light curtain should be checked regularly using
a test rod. The test rod must be kept in the same location as the safety light
curtain. At regular prescribed intervals, the protection field must be tested at
different points over its entire height (in front of the transmitter and receivers and in
the center between the transmitter and receiver) and the results must be
documented.
The receiver of every safety light curtain comes with a test rod 230 mm in length.
The rod is suitable for checking the detection capability of light curtains with
different resolutions.
Figure 8.7 TR 14/30/50/60 test rod
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SLCT* and SLCT*/35 safety light curtains
Appendix
8.6.14 Connection Cables
Various 4-pin and 8-pin connection cables are available in a range of lengths.
Connection cables are not included in the scope of delivery of a safety light
curtain.
Connection cable for safety light curtains
Use Model number
Length 2 m Length 5 m Length 10 m
4-pin cable
(transmitter)
8-pin cable
(receiver)
V1-G-BK2M-PUR-ULV1-G-BK5M-PUR-ULV1-G-BK10M-
V19-G-BK2M-PUR V19-G-BK5M -PUR V19-G-BK10M-
The specified cables are UL-certified and marked accordingly.
PUR-UL
PUR
60
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Subject to modifications
Copyright PEPPERL+FUCHS • Printed in Germany
www.pepperl-fuchs.com
FACTORY AUTOMATION –
S
ENSING YOUR NEEDS
Worldwide Headquarters
Pepperl+Fuchs GmbH
68307 Mannheim · Germany
Tel. +49 621 776-0
E-mail: info@de.pepperl-fuchs.com
USA Headquarters
Pepperl+Fuchs Inc.
Twinsburg,
Ohio 44087 · USA
Tel. +1 330 4253555
E-mail: sales@us.pepperl-fuchs.com
Asia Pacific Headquarters
Pepperl+Fuchs Pte Ltd.
Company
Registration No. 199003130E
Singapore 139942
Tel. +65 67799091
E-mail: sales@sg.pepperl-fuchs.com
27169 5 DOCT-3848A
12/2017
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