Keyence SL-V Series User Manual download pdf (Page 10)

SL-V-IM-E

• When the reduced resolution function is applied, the safety distance is accurately calculated

based on the detection capability, and the SL-V is installed at a distance greater than or equal to

the minimum safety distance away from the hazardous zone or hazard.

• When the fixed blanking function is applied, a hazardous clearance that is not protected by the

SL-V may be generated between the obstacle and the SL-V. When such a hazardous clearance is

generated, an additional protective device such as a safeguard is installed.

• Risk assessment was performed on your own responsibility based on your machine application,

and then the installation of SL-V was also based on its result.

(2) Pre-check for wiring

• The SL-V power supply is 24 V DC, fulfill the conditions for the power supply as specified in this

instruction manual.

• The transmitter and receiver cables are installed correctly.

• The two of OSSD outputs provided in the SL-V are both used as a safety-related machine control system.

• The polarity is not reversed with the connection to the power supply.

• In case of using PNP output type cable, the OSSD is not short-circuited to +24V, and the load is

between the OSSD and 0V.

• In case of using NPN output type cable, the OSSD is not short-circuited to 0V, and the load is

between the OSSD and +24V.

• When two or more SL-V are connected in series, they are connected using the dedicated series

connection cable, which is not cut or extended.

• Alert output, AUX output, Clear/Blocked Output, state information output, and Interlock-reset-

ready output are not used as safety output for safety systems.

• The cable sheaths are not damaged. The protection against the disconnection or short-circuit of

cable, which might be caused by crushing or being caught in a machine, is taken into account.

• If two or more sets of the SL-V units are used in the vicinity of each other, the protection measures against

light interference is done through a series connection method or light interference prevention method.

• All of NON-SAFETY-RELATED functions described in this instruction manual are not a part of /

whole of safety-related machine control system.

(3) Pre-check test while the machine is stopped

You should do the following pre-check test with the test piece in order to make sure the operation of

the SL-V while the machine is stopped. In case of the detection capability of 45mm, you should use

the test piece with a diameter of 45mm.

When the reduced resolution function is enabled, prepare the test piece whose size corresponds to

the enlarged minimum detection size.

• The OSSD indicator on the SL-V lights in red and the OSSD turns OFF while the test piece is present

in the detection zone. The following figure shows the movement procedure of the test piece.

• The OSSD indicator and all bar LEDs light in green if no test piece is present in the detection zone.

• When the EDM function is applied, the SL-V goes to a lockout condition and the OSSD indicator on the

SL-V lights in red if the EDM input opens while the test piece is present in the detection zone.

• The bar LEDs lights in green, the OSSD indicator continues to light in red, and the interlock indi-

cator lights in yellow, if the test piece is removed from the detection zone. This is only applicable

in case of manual reset mode.

• The OSSD indicator lights in green and the interlock indicator lights OFF if the reset input is activated.

This is only applicable in case of manual reset mode.

(4) Pre-check test while the machine is operating

The purpose of this pre-check test is to make sure that the machine (hazards) stops its operation.

This test must be done after you completely make sure that there is nobody in the hazardous zone.

• The machine stops if the test piece is present in the detection zone. It is recommended to try

three locations of test piece: near the transmitter, near the receiver, and in the central area of the

detection zone.

• The machine (hazard) still stops its operation as long as the test piece is present in the specified

protection zone. This test should be done for the whole detection zone.

• The machine (hazard) stops its operation when the power for the SL-V is disconnected.

• Minimum safety distance is ensured, which has been calculated according to the laws, regula-

tions, and standards of the country and region in which the SL-V is installed.

 Inspection prior to daily operation (Daily inspection)

You should check the SL-V operation and the machine operation according to the following checklist prior to daily operation.

Note that the following inspection items comprise only a bare minimum inspection. KEYENCE Corporation strongly recom-

mends including the necessary checking items into this checklist based on the judgment of the responsible personnel since

additional criteria may be necessary depending on both the machine to which the SL-V is installed and the laws, rules, regu-

lations and standards in the country or region in which the SL-V is used/installed.

The result of this inspection must be kept on record along with the machine log.

(1) Pre-check for installation condition

• The SL-V is installed so that the machine operator cannot go into or approach the hazardous area

without passing through the detection zone.

• The SL-V has been installed at a distance greater than or equal to the minimum safety distance required.

• When the reduced resolution function is applied, the safety distance is accurately calculated

based on the detection capability, and the SL-V is installed at a distance greater than or equal to

the minimum safety distance away from the hazardous zone or hazard.

• When the fixed blanking function is applied, a hazardous clearance that is not protected by the

SL-V may be generated between the obstacle and the SL-V. When such a hazardous clearance is

generated, an additional protective device such as a safeguard is installed.

• The SL-V is installed at a location free from light interference, for example fluorescent lamps.

• The cable sheaths are not damaged. The protection against the disconnection or short-circuit of

cable, which might be caused by crushing or being caught in a machine, is taken into account.

Additionally, you should perform the following inspections as described in "Inspection before

operation".

(3) Pre-check test while the machine is stopped

(4) Pre-check test while the machine is operating

• There is no change of installation that would influence the result of your original risk assessment.

 Regular (periodical) inspection

The responsible personnel must perform a regular inspection.

It is recommended to perform a regular inspection at least once every six months.

Note that the following inspection items comprise only a bare minimum inspection. KEYENCE Corpo-

ration strongly recommends including the necessary checking items into this checklist based on the

judgment of the responsible personnel since additional criteria may be necessary depending on both

the machine to which the SL-V is installed and the laws, rules, regulations and standards in the coun-

try or region in which the SL-V is used/installed.

The result of this inspection must be kept on record along with the machine log.

(1) Additional inspection items

• The actual distance between the hazardous zone or hazards and the SL-V still keeps greater than

the calculated safety distance.

• When the reduced resolution function is applied, the safety distance is accurately calculated

based on the enlarged detection capability, and the SL-V is installed at a distance greater than or

equal to the minimum safety distance away from the hazardous zone or hazard.

• When the fixed blanking function is applied, a hazardous clearance that is not protected by the

SL-V may be generated between the obstacle and the SL-V. When such a hazardous clearance is

generated, an additional protective device such as a safeguard is installed.

• The stop time of the machine connected to the SL-V has not increased.

• There are no loose screws in the mounting bracket.

• The unit connection cable or the series connection cable is fastened tightly to the SL-V with no

loose screws.

• The OSSD is connected correctly to the machine.

• There is no damage to the SL-V that may influence IP65 structure.

• The surface of the SL-V is not polluted or damaged.

• Beam axes must be aligned. If it is out of alignment, beam axes are aligned.

• There is no change of installation that would influence the result of your original risk assessment.

(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 NON-INFRINGEMENT

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.

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WARRANTIES AND DISCLAIMERS

Document Control No. 825BE027-10

13258E 1104-2 96M13258 Printed in Japan

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Keyence SL-V Series User Manual Page 10

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