SICK i12S Bedienungsanleitung
OPERATING INSTRUCTIONS
i12S
Safety switches
Described product
i12S
Manufacturer
SICK AG
Erwin-Sick-Str. 1
79183 Waldkirch
Germany
Legal information
This work is protected by copyright. Any rights derived from the copyright shall be
reserved for SICK AG. Reproduction of this document or parts of this document is
only permissible within the limits of the legal determination of Copyright Law. Any modi‐
fication, abridgment or translation of this document is prohibited without the express
written permission of SICK AG.
The trademarks stated in this document are the property of their respective owner.
© SICK AG. All rights reserved.
Original document
This document is an original document of SICK AG.
2O P E R A T I N G I N S T R U C T I O N S | i12S 8027201/1CZA/2022-10-24 | SICK
Subject to change without notice
Contents
1 Scope.................................................................................................. 4
2 On safety............................................................................................. 5
2.1 Qualified safety personnel....................................................................... 5
2.2 Applications of the safety switches......................................................... 5
2.3 Correct use................................................................................................ 6
2.4 General safety notes and protective measures...................................... 6
3 Mounting............................................................................................. 7
3.1 Reversing the actuating direction............................................................ 8
3.2 Protection against surroundings.............................................................. 9
4 Electrical installation........................................................................ 10
4.1 Variants with M16 cable entry................................................................. 10
4.2 Variants with M12 plug connector........................................................... 10
5 Commissioning.................................................................................. 11
5.1 Tests before the initial commissioning.................................................... 11
5.2 Periodic technical inspections................................................................. 11
6 Disposal.............................................................................................. 12
7 Technical specifications................................................................... 13
7.1 General system data................................................................................ 13
7.2 Dimensional drawings.............................................................................. 14
7.3 Minimum door radius............................................................................... 15
8 Conformities and certificates.......................................................... 16
8.1 EU declaration of conformity.................................................................... 16
8.2 UK declaration of conformity................................................................... 16
CONTENTS
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1 Scope
These operating instructions are applicable to the i12S safety switch.
These operating instructions are original operating instructions.
1 SCOPE
4O P E R A T I N G I N S T R U C T I O N S | i12S 8027201/1CZA/2022-10-24 | SICK
Subject to change without notice
2 On safety
This chapter deals with your own safety and the safety of the equipment operators.
bPlease read this chapter carefully before working with the i12S or with the
machine protected by the i12S.
The national/international rules and regulations apply to the installation, commission‐
ing, use and periodic technical inspections of the safety switches, in particular
•the Machinery Directive,
•the Low Voltage Directive,
•the Work Equipment Directive,
•the safety regulations as well as
•the work safety regulations/safety rules.
Manufacturers and operators of the machine on which the protective devices are used
are responsible for obtaining and observing all applicable safety regulations and rules.
2.1 Qualified safety personnel
The i12S safety switch must be mounted, installed and commissioned only by qualified
safety personnel. Qualified safety personnel are defined as persons who
•have undergone the appropriate technical training
and
•have been instructed by the responsible machine owner in the operation of the
machine and the current valid safety guidelines
and
•who have access to these operating instructions.
2.2 Applications of the safety switches
Safety switches of the i12S series are electromagnetic switching devices.
They secure moving protective devices with a guard function so that
•the dangerous state of the machine can only be switched on when the guard is
closed,
•a STOP command is triggered if the protective device is opened while the machine
is operating.
For the control this means that
•activation commands that cause dangerous conditions, may only become active
when the guard is in the protective position and the dangerous conditions have
been terminated before the protective position is cancelled.
Prior to the use of safety switches, a risk assessment must be performed on the
machine.
ON SAFETY 2
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WARNING
The user is responsible for the safe integration of the safety switch in a safe overall
system. For this purpose the overall system must be validated, e.g. in accordance with
EN ISO 13849-2.
If the simplified procedure in accordance with section 6.3 EN ISO 13849-1 is used for
validation, the Performance Level (PL) may be reduced if several devices are connected
one after the other.
To determine the necessary reliability (Performance Level PL, SIL) for the safety func‐
tion the related standards should be used:
•EN ISO 13849, Safety of machinery — Safetyrelated parts of control systems
•EN 62061, Safety of machinery — Functional safety of safety-related electrical,
electronic and programmable electronic control systems
2.3 Correct use
The i12S safety switch must be used only as defined in section 2.2 “Applications of
the safety switches”.The safety switch must be used only on the machine where it has
been mounted, installed and initialized by qualified safety personnel in accordance with
these operating instructions.
The product may be used in safety functions.
All warranty claims against SICK AG are forfeited in the case of any other use, or
alterations being made to the safety switch, even as part of its mounting or installation.
Correct use includes the regular inspection of the protective device by qualified safety
personnel in accordance with section 5.2.
2.4 General safety notes and protective measures
Safety switches provide a protection function for persons. Incorrect installation or
manipulation can result in serious injuries.
WARNING
Safety switches are not allowed to be bypassed, turned away, removed or made ineffec‐
tive in any other manner. Take measures to reduce bypassing options as necessary.
Observe EN ISO 14119 for using interlocking devices associated with physical guards.
WARNING
The switching procedure may only be activated by actuators specifically designated for
that purpose, which are connected to the protective device in such a manner that they
cannot be detached.
Restrict access to replacement actuators, so they cannot be used for bypassing.
2 ON SAFETY
6O P E R A T I N G I N S T R U C T I O N S | i12S 8027201/1CZA/2022-10-24 | SICK
Subject to change without notice
3 Mounting
WARNING
Mounting is only allowed to be performed by qualified safety personnel.
bObserve EN ISO 14119 for using interlocking devices associated with physical
guards.
Fit the safety switches such that
•it is difficult for operators to access when the protective device is open,
•it is possible to inspect and replace the safety switches.
NOTICE
Safety switches and actuators must not be used as a mechanical stop, see figure 2
NOTICE
Mount only in the assembled condition!
bInsert the actuator into the actuating head.
bMount the safety switch positively.
bTighten the safety switch using 2 × M4 screws to 1.4Nm (see figure 1).
Figure 1: Mounting of the safety switch
bConnect the actuator to the protective device durably and non-detatchably, e.g.
using one-way bolts or by riveting or welding.
bFit an additional stop for moving parts of the guard (see figure 2).
bPay attention to the actuator insertion depth (see figure 2).
bFit enclosed plug into unused actuator slot.
MOUNTING 3
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6 mm
7,5 mm
1 mm
2,5 mm
1 mm
2,5 mm
Figure 2: Mounting of actuator and safety switch
2 x M5
1,4 Nm (12.39 lbin)
2 M5 x 28,7 mm
2 M5 x 31,7 mm
0,8 Nm (7.08 lbin)
Figure 3: Mounting of the iE12-F1 actuator
3.1 Reversing the actuating direction
bInsert the actuator into the safety switch.
bUndo screws on the switch head (see figure 4, page 9).
bSet the required direction.
3 MOUNTING
8O P E R A T I N G I N S T R U C T I O N S | i12S 8027201/1CZA/2022-10-24 | SICK
Subject to change without notice
bTighten screws on the switch head to 0.8Nm.
0,8 N m (7.08 lb in)
Figure 4: Reversing the actuating direction
3.2 Protection against surroundings
A precondition for a durable and perfect safety function is the protection of the
actuating head against penetration by foreign matter such as shavings, sand, abrasive
materials etc.
Cover the control slot, the actuator and the type label when painting.
MOUNTING 3
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4 Electrical installation
WARNING
The electrical connection is only allowed to be made by qualified safety personnel.
4.1 Variants with M16 cable entry
bBreak open the desired opening.
bFit the M16 cable gland with the corresponding enclosure rating.
bContact assignments see figure 5, page 10.
bOperate all contact pairs in the same voltage range.
bConnect all live parts to one side of the contact block.
20
21
11
Inserted
actuator
Extended
actuator
Figure 5: Switching elements and switching functions for variants with M16 cable entry
bTighten the clamping bolts to 1.0Nm.
bEnsure the cable entry is leak-proof.
bClose and screw switch cover in place.
bTighten screw to 1.2 Nm.
4.2 Variants with M12 plug connector
Pin Assignment
1/2 Positively guided NC contacts
11/12
3/4 Positively guided NC contacts
21/22
4 ELECTRICAL INSTALLATION
10 O P E R A T I N G I N S T R U C T I O N S | i12S 8027201/1CZA/2022-10-24 | SICK
Subject to change without notice
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