KEYENCE SL-M User Manual

Corner Mirror for the GL-R/SL-V/SL-C Series

96M12074

DANGER

SL-M Series

Instruction Manual

The SL-M Series is a corner mirror dedicated for the Safety Light Curtain GL-R Series, SL-V Series, and SL-C Series (hereinafter called GL/SL Series). Read this manual before using the product in order to achieve maximum performance. Keep this manual in a safe place after reading it so that it can be used at any time.

Symbols

The following symbols alert you to important messages. Be sure to read these messages carefully.

It indicates a hazardous situation which, if not avoided, will result in death or serious injury.

Safety Information for SL-M Series

• Thoroughly read the Instruction Manual for the Safety Light Curtain with which the SL-M Series is used. The Instruction Manual comes with the Safety Light Curtain.

• Perform tests and maintenance in accordance with the “Checklist” in the GL/SL Series Instruction Manual.

• Do not use the SL-M Series as a retro-reflector for the GL/SL Series.

• Do not use the SL-M Series in locations that are subject to vibrations or mechanical shocks capable of causing a misalignment

in the device installation position or angle.

• Be sure to confirm no deterioration in product quality if you use the SL-M in the presence of substances, such as heavy smoke, particulate matter, or corrosive chemical agents.

• When disposing the SL-M, always follow the applicable requirements of the laws, rules, regulations and standards in the country or region where the SL-M is used.

• The SL-M Series should be processed as an industrial waste when being disposed.

Checking package contents

Confirm that the product packaging includes the following accessories in addition to the SL-M Series itself and 1 copy of the Instruction Manual.

Bracket A Bracket B Hexagonal socket bolt (M6, 5 mm diagonally) Square nut (M6)

Models with lengths less than or equal to SL-M48H

Models with lengths from SL-M52H to SL-M64H

Models with lengths greater than or equal to SL-M80H

Sketch

22 12 4

33 18 6

44 24 8

Specifications

Model

SL-M12H 278 mm (10.94") SL-M16H 358 mm (14.09") Approx. 1.6 kg SL-M20H 438 mm (17.24") Approx. 1.8 kg SL-M24H 518 mm (20.39") Approx. 2.0 kg SL-M28H 598 mm (23.54") Approx. 2.2 kg SL-M32H 678 mm (26.70") Approx. 2.4 kg SL-M36H 758 mm (29.84") Approx. 2.6 kg SL-M40H 838 mm (32.99") Approx. 2.8 kg SL-M44H 918 mm (36.14") Approx. 3.0 kg SL-M48H 998 mm (39.29") Approx. 3.2 kg SL-M52H 1078 mm (42.44") Approx. 3.7 kg SL-M56H 1158 mm (45.59") Approx. 3.9 kg SL-M60H 1238 mm (48.74") Approx. 4.1 kg SL-M64H 1318 mm (51.89") Approx. 4.3 kg SL-M80H 1638 mm (64.49") Approx. 5.4 kg SL-M96H 1958 mm (77.09") Approx. 6.2 kg

Mirror length

Applicable

GL/SL Series

GL/SL Series units with lengths shorter than the mirror lengths to the left

Oparating distance

when using GL/SL

Series

The operating distance of the GL/SL Series will become shorter as shown below.

1 mirror: 90% 2 mirrors: 81% 3 mirrors: 73% 4 mirrors: 66%

(Distances of less than

0.1 m are rounded down.)

Environmental specifications Operating

ambient

temperature

-10 to +55°C (non-freezing)

Operating

35 to 95 % RH (non-condensing)

ambient humidity

Material

Mirror: rear surface mirror; Case: Aluminum; Mounting brackets: SUS304

Weight (including mounting

bracket)

Approx. 1.4 kg

Dimensional Drawings

100

(3.94")

32 (1.26")

60 (2.36")

(2.76")

50.6 (1.99")

(0.59")

6-R3.5

15 (0.59")

8.5 (0.33")

43.8 (1.72")

8.5 (0.33")

43.8 (1.72")

8.5 (0.33")

43.8 (1.72")

8.5 (0.33")

43.8 (1.72")

(1.85")

78 (3.07")

102 (4.02")

77.9 (3.07")

105 (4.13")

(1.26")

102 (4.02")

(2.36")

45°

32 (1.26")

(0.59")

67 (2.64")

72.5 (2.85")

29.5 (1.16")

(1.5 (0.06"))

(8.5 (0.33"))

8.5 (0.33")

35.3 (1.39")

50.6 (1.99")

(0.59")

9.5 (0.37")

65.8 (2.59")

40.5 (1.59")

32 (1.26")

45°

72.5 (2.85")

32 (1.26") 32 (1.26")

29.5 (1.16")

(8.5 (0.33"))

(1.5 (0.06"))

29.5 (1.16")

50.6 (1.99")

7 (0.26")

2-ø6.5

50.6 (1.99")

57 (2.24")

35.3 (1.39")

8.5 (0.33")

30 (1.18")

(0.59")

67 (2.64")

4 (0.16")

64 (2.52")

9.5 (0.37")

7 (0.26")

SL-M installation position

A 0.3 m (11.81")

B 0.3 m (11.81")

C 0.3 m (11.81")

Transmitter

Receiver

Corner mirror

Centerline

Corner mirror

Model

Overall length

A (mm)

Mirror length B

(mm)

Mounting bracket

position C (mm)

Mounting bracket

position D (mm)

Mounting bracket

position E (mm)

SL-M12H 290 (11.42") 278 (10.94") -17 (-0.67") to 80 (3.15") - 60 (2.36") to 128 (5.04") SL-M16H 370 (14.57") 358 (14.09") -17 (-0.67") to 120 (4.72") - 60 (2.36") to 168 (6.61") SL-M20H 450 (17.72") 438 (17.24") -17 (-0.67") to 160 (6.30") - 60 (2.36") to 208 (8.19") SL-M24H 530 (20.87") 518 (20.39") -17 (-0.67") to 200 (7.87") - 60 (2.36") to 248 (9.76") SL-M28H 610 (24.02") 598 (23.54") -17 (-0.67") to 240 (9.45") - 60 (2.36") to 288 (11.34") SL-M32H 690 (27.17") 678 (26.70") SL-M36H 770 (30.32") 758 (29.84") SL-M40H 850 (33.47") 838 (32.99") SL-M44H 930 (36.61") 918 (36.14") SL-M48H 1010 (39.76") 998 (39.29") SL-M52H 1090 (42.91") 1078 (42.44") SL-M56H 1170 (46.06") 1158 (45.59") SL-M60H 1250 (49.21") 1238 (48.74") SL-M64H 1330 (52.36") 1318 (51.89") SL-M80H 1650 (64.96") 1638 (64.49") SL-M96H 1970 (77.56") 1958 (77.09")

-17 (-0.67") to 280 (11.02")

521 (20.51") ±80 (3.15") 60 (2.36") to 328 (12.91") 561 (22.09") ±80 (3.15") 60 (2.36") to 328 (12.91") 601 (23.66") ±80 (3.15") 60 (2.36") to 328 (12.91") 641 (25.24") ±80 (3.15") 60 (2.36") to 328 (12.91") 534 (21.02") ±80 (3.15") 60 (2.36") to 328 (12.91") 1068 (42.05") ±80 (3.15") 641 (25.24") ±80 (3.15") 60 (2.36") to 328 (12.91") 1281 (50.43") ±80 (3.15")

- 60 (2.36") to 328 (12.91") -

Precautions for Installation

1 Locate the SL-M Series so that the angle of reflection θ

2 Determine the distances shown in the diagram to the right so that the

following three conditions are met: the distance A separating the Transmitter and the first SL-M Series unit is greater than or equal to

0.3 m (11.81”); the distance B separating the two SL-M Series units is greater than or equal to 0.3 m (11.81”); and the distance C separating the Receiver and the second SL-M unit is greater than or equal to

0.3 m (11.81”). Do not allow the total distance between the GL/SL Transmitter and Receiver (i.e. the distance A+B+C in the diagram) to exceed the operating distance given in the “Specifications” for the number of SL-M Series units being used.

is 45°≤ θ1≤ 95°.

Transmitter

Mounting bracket

position F (mm)

Receive

SL-M

3 You must obey the following precautions relating to the installation positions of the SL-M Series and GL/SL Series.

DANGER

Top

Transmitter or receiver

Distance X

Transmitter or Receiver

Distance Y

SL-M

Distance Y (mm)

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8

(1.64 ft.) (4.92 ft.) (8.20 ft.) (11.48 ft.) (14.76 ft.) (18.04 ft.) (21.33 ft.) (24.61 ft.)

(3.28 ft.) (6.56 ft.) (9.84 ft.) (13.12 ft.) (16.40 ft.) (19.69 ft.) (22.97 ft.) (26.25 ft.)

Distance X (m)

Area B

Graph 1 (top view)

Definition 1 (top view)

A: Transmitter

or Receiver installation position

1000 ( 39.37") 900 ( 35.43") 800 ( 31.50") 700 ( 27.56") 600 ( 23.62") 500 ( 19.68") 400 ( 15.74") 300 ( 11.81") 200 ( 7.87") 100 ( 3.94") 0

-100 ( -3.94")

-200 ( -7.87")

-300 ( -11.81")

-400 ( -15.74")

-500 ( -19.68")

-600 ( -23.62")

-700 ( -27.56")

-800 ( -31.50")

-900 ( -35.43")

-1000 ( -39.37")

When using the SL-M Series to create a detection zone where the approach of human body or objects to a hazard can be detected, a misalignment in the mounting angle of either the GL/SL Series or SL-M Series may cause the beam from the GL/SL Series Transmitter to enter the GL/SL Series Receiver without being reflected by the mirror surfaces of all or some of the installed SL-M Series. This is extremely dangerous, as the system can not offer complete protection against the expected hazard and may not be able to detect people or objects as they approach the hazard at the position where they must be detected. To avoid this danger, install the SL-M Series in accordance with the following warnings. Failure to follow these warnings may result in significant harm to machine operators, including serious injury or death.

Seen from above (example)

Intended system installation

Transmitter

SL-M

System installation where misaligned installation angles result in a hazardous zone allowing human approach

Hazard

Receiver

Hazard

:Hazardous zone allowing human approach

• SL-M Series installation requirements based on the position of the GL/SL Series Transmitter or Receiver

Note that these requirements do not apply to just either the GL/SL Series Transmitter or Receiver but rather apply to both units.

When installing a GL/SL Series Transmitter at Position A on Graph 1

When a GL/SL Series Transmitter and one SL-M Series unit have been installed as indicated in Definition 1 in the following diagram, no other SL-M Series units or GL/SL Series Receiver can be installed in Area B in Graph 1. In other words, only one SL-M Series unit can be installed in Area B. (When installing two or more SL-M Series units, see “SL-M Series, GL/SL Series Transmitter or Receiver installation requirements based on the position of the SL-M Series” for more information.)

When installing a GL/SL Series Receiver at Position A on Graph 1

When an GL/SL Series Receiver and one SL-M Series unit have been installed as indicated in Definition 1 in the following diagram, no other SL-M Series units or GL/SL Series Transmitter can be installed in Area B in Graph 1. In other words, only one SL-M Series unit can be installed in Area B. (When installing two or more SL-M Series units, see “SL-M Series, GL/SL Series Transmitter or Receiver installation requirements based on the position of the SL-M Series” for more information.)

L-M

stance

Misaligned mounting angle

• SL-M Series, GL/SL Series Transmitter or Receiver installation requirements based on the position of the SL-M Series

DANGER

The following requirement applies only when 2 or more SL-M Series units are being used.

When installing SL-M Series unit at Position A on Graph 2

When 2 of SL-M Series units have been installed as indicated in Definition 2 in the following diagram, no other SL-M Series or GL/SL Series units can be installed in Area C in Graph 2. In other words, only one SL-M Series unit can be installed in Area C. When one SL-M Series unit and a GL/SL Series Transmitter or Receiver have been installed as indicated in Definition 3 in the following diagram, no other SL-M Series or GL/SL Series units can be installed in Area C in Graph 2. In other words, only one GL/SL Series Transmitter or GL/SL Series Receiver can be installed in Area C. (In this case, you must see “SL-M Series installation requirements based on the position of the GL/SL Series Transmitter or Receiver” for more information.)

Definition 2 (top view)

Top

Distance Y

SL-M

A: SL-M Series

installation position

SL-M

Distance X

Definition 3 (top view)

Distance Y

SL-M

Transmitter or Receiver

Distance X

Graph 2 (top view)

1000 ( 39.37") 900 ( 35.43") 800 ( 31.50") 700 ( 27.56") 600 ( 23.62") 500 ( 19.68") 400 ( 15.74")

Area C

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 (1.64 ft.) (4.92 ft.) (8.20 ft.) (11.48 ft.) (14.76 ft.) (18.04 ft.) (21.33 ft.) (24.61 ft.) (3.28 ft.) (6.56 ft.) (9.84 ft.) (13.12 ft.) (16.40 ft.) (19.69 ft.) (22.97 ft.) (26.25 ft.)

Distance X (m)

300 ( 11.81") 200 ( 7.87") 100 ( 3.94") 0

-100 ( -3.94")

-200 ( -7.87")

-300 ( -11.81")

-400 ( -15.74")

-500 ( -19.68")

-600 ( -23.62")

-700 ( -27.56")

-800 ( -31.50")

-900 ( -35.43")

-1000 ( -39.37")

Distance Y (mm)

• Failure to follow these requirements may result in a creation of an unexpected hazardous zone allowing human approach, caused by a misalignment of the installation angles of the GL/SL Series Transmitter, Receiver or the SL-M Series unit. You must fulfill these requirements when using this system.

• Even if these requirements are not met, these requirements do not apply in the following cases:

- When the installation angle of the GL/SL Series Transmitter/Receiver or the machine where the SL-M Series is installed will

never become misaligned due to their structure, or

- Even if the installation angles happen to accidentally become misaligned, when light emitted from the GL/SL Series

Transmitter cannot be received by the GL/SL Series Receiver due to the structure of the GL/SL Series Transmitter/Receiver or the machine where the SL-M Series is installed (such as cases where the installation angle has become misaligned but an object physically blocks positions where the light path may pass). It is the responsibility of the customer installing the SL-M Series to determine whether the setup is exempted from these conditions and to take responsibility for the decision. Please understand that Keyence is not responsible for any kind of problems that occur due to the customer's judgment.

• Glossy surface restrictions based on the GL/SL Series Transmitter and Receiver, or the SL-M Series

DANGER

Note that this requirement does not apply to only either the SL-M Series or the GL/SL Series, but rather to all equipments in a given installation.

If a glossy surface is present in Area B in Graph 1 on Page 3 or in Area C in Graph 2 on Page 4, the GL/SL Series may be unable to function properly, resulting in an inability to detect human or object approach. Note the following warning carefully and install the SL-M Series and GL/SL Series so that it is not susceptible to the glossy surfaces.

If a glossy surface other than the SL-M Series is present in Area B in Graph 1 on Page 3 or in Area C in Graph 2 on Page 4, that surface may act in the same way as the mirror surface of the SL-M Series, causing the beam from the GL/SL Series Transmitter to enter the GL/SL Series Receiver without being reflected by the mirror surfaces of all or some of the installed SL-M Series. If such a glossy surface is present in one or both of these two areas, you must take measures to ensure that the beam reflected from the glossy surface does not enter the GL/SL Series Receiver (as by changing the angle of the glossy surface, applying a matte finish, or covering the surface with a black cover). Failure to follow this warning may cause the GL/SL Series to malfunction due to the reflected light from the glossy surfaces, and may result in significant harm to machine operators, including serious injury or death.

System installation where the beam reflected from a glossy surface other than the SL-M Series results in a hazardous (1) zone allowing human approach

Glossy surface

Hazard Hazard

System installation where the beam reflected from a glossy surface other than the SL-M Series results in a hazardous (2) zone allowing human approach

Glossy surface

Mounting the SL-M Series

1 Determine the proper positioning for the SL-M Series and the GL/SL Series Transmitter and

Receiver.

See step 1 under “Precautions for Installation” on page 2.

2 Determine the positions at which the devices should be installed so that the

SL-M Series mirror surface and the GL/SL Series Transmitter or Receiver are parallel to one another. See step 2 under “Precautions for Installation” on page 2.

Transmitter

Receiver

SL-M

Transmitter

Receive

Corner mirro

Centerline

Corner mirror

3 Attach Bracket B to the target machine.

You must provide the screws for attaching Bracket B to the target machine. KEYENCE recommends hexagonal socket bolts (M6). Use at least 2 of the 3 slots to attach the bracket to the machine.

Hexagonal socket bolt

Machine surface

Mounting bracket B

4 Attach Bracket A to the SL-M Series. Use the included square nuts and hexagonal socket bolts to secure the bracket in place.

Bracket A

Square nut

(note proper

orientation)

Back of SL-M

Hexagonal socket bolt

Tighten the hexagonal socket bolts after confirming that the square nuts are secure in the grooves on the back of the SL-M Series as indicated by an “c” in the left diagram. Installation with the square nuts positioned as marked with an “X” in the left will result in insufficient tightening or may cause the mounting bracket to fall off of the SL-M Series.

Position 1 Position 2

5 Mount the SL-M Series unit on the target machine.

Hexagonal socket bolt

Bracket A

Bracket B

Align the heights of Bracket A and Bracket B if they are not already the same.

6 Hand-tighten the hexagonal socket bolts in the installation positions shown in the following diagram according to the direction in which

the SL-M Series will be angled.

7 Adjust the angle of the SL-M Series. Tighten all hexagonal socket bolts securely after finished adjusting the beam axes (use a

Hexagonal socket bolts

Position 1 Position 2

Approximately 45º Approximately 45º

Position 1 Position 2

StartStart

StopStop

Start

Stop

Start

Stop

StopStopStop

StartStartStart

Transmitter

Receiver

Corner mirror

DANGER

tightening torque of 6.8 N·m).

The point where the marks on both Bracket A and Bracket B align indicates the approximate position to use when mounting the SL-M at a 45° angle.

8 Tighten all hexagonal socket bolts securely in place (use a tightening torque of 6.8 N·m).

Use all of the included mounting brackets and secure them in place at the positions specified in the dimensional drawings.

9 Confirm the installation in accordance with the “Checklist” section of the GL/SL Series Instruction Manual, with the exception that the

procedure used for moving the test piece must be as indicated below. See also step 3 under “Precautions for Installation” on page 3..

10Perform periodic inspections as described in the “Checklist” section of the GL/SL Series Instruction Manual, with the exception that

the procedure used for moving the test piece must be as indicated in the diagram for step 9 above. If there is any dirt on the SL-M Series mirror surface, wipe it away gently with a soft cloth that has been moistened with either water or a neutral detergent. After cleaning the mirror surface, dry it with a soft cloth, taking care not to leave any moisture or detergent on the SL-M Series.

If any dirt has accumulated on the SL-M Series mirror surface, the surface may reflect the beam irregularly, so that the light curtain system can not maintain the detection capability of the GL/SL Series. It is therefore essential to wipe away any accumulated dirt from the mirror surface of SL-M Series. Failure to follow this warning may result in significant harm to machine operators, including serious injury or death.

12074E 1042-1 96M12074 Printed in Japan

Document Control No. 753BE002-02

WARRANTIES AND DISCLAIMERS

(1) KEYENCE warrants the Products to be free of defects in materials and

workmanship for a period of one (1) year from the date of shipment. If any models or samples were shown to Buyer, such models or samples were used merely to illustrate the general type and quality of the Products and not to represent that the Products would necessarily conform to said models or samples. Any Products found to be defective must be shipped to KEYENCE with all shipping costs paid by Buyer or offered to KEYENCE for inspection and examination. Upon examination by KEYENCE, KEYENCE, at its sole option, will refund the purchase price of, or repair or replace at no charge any Products found to be defective. This warranty does not apply to any defects resulting from any action of Buyer, including but not limited to improper installation, improper interfacing, improper repair, unauthorized modification, misapplication and mishandling, such as exposure to excessive current, heat, coldness, moisture, vibration or outdoors air. Components which wear are not warranted.

(2) KEYENCE is pleased to offer suggestions on the use of its various

Products. They are only suggestions, and it is Buyer's responsibility to ascertain the fitness of the Products for Buyer’s intended use. KEYENCE will not be responsible for any damages that may result from the use of the Products.

(3) The Products and any samples ("Products/Samples") supplied to Buyer

are not to be used internally in humans, for human transportation, as safety devices or fail-safe systems, unless their written specifications state otherwise. Should any Products/Samples be used in such a manner or misused in any way, KEYENCE assumes no responsibility, and additionally Buyer will indemnify KEYENCE and hold KEYENCE harmless from any liability or damage whatsoever arising out of any misuse of the Products/Samples.

(4) OTHER THAN AS STATED HEREIN, THE PRODUCTS/SAMPLES ARE

PROVIDED WITH NO OTHER WARRANTIES WHATSOEVER. ALL EXPRESS, IMPLIED, AND STATUTORY WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY DISCLAIMED. IN NO EVENT SHALL KEYENCE AND ITS AFFILIATED ENTITIES BE LIABLE TO ANY PERSON OR ENTITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, SPECIAL OR CONSEQUENTIAL DAMAGES (INCLUDING, WITHOUT LIMITATION, ANY DAMAGES RESULTING FROM LOSS OF USE, BUSINESS INTERRUPTION, LOSS OF INFORMATION, LOSS OR INACCURACY OF DATA, LOSS OF PROFITS, LOSS OF SAVINGS, THE COST OF PROCUREMENT OF SUBSTITUTED GOODS, SERVICES OR TECHNOLOGIES, OR FOR ANY MATTER ARISING OUT OF OR IN CONNECTION WITH THE USE OR INABILITY TO USE THE PRODUCTS, EVEN IF KEYENCE OR ONE OF ITS AFFILIATED ENTITIES WAS ADVISED OF A POSSIBLE THIRD PARTY’S CLAIM FOR DAMAGES OR ANY OTHER CLAIM AGAINST BUYER. In some jurisdictions, some of the foregoing

warranty disclaimers or damage limitations may not apply.

BUYER'S TRANSFER OBLIGATIONS:

If the Products/Samples purchased by Buyer are to be resold or delivered to a third party, Buyer must provide such third party with a copy of this document, all specifications, manuals, catalogs, leaflets and written information provided to Buyer pertaining to the Products/ Samples.

E 1101-3

KEYENCE SL-M User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Symbols

Safety Information for SL-M Series

Checking package contents

Specifications

Dimensional Drawings

Precautions for Installation

Mounting the SL-M Series