Leuze electronic S20 Series Manuel utilisateur
S20
Safety Switches
SAFE IMPLEMENTATION AND OPERATION
GB 2008/12 607260
We reserve the right to
make technical changes
Original operating instructions
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TNT 35/7-24V
Review state, , Monday, 19. January 2009
1 About this document............................................................................................ 5
1.1 Other applicable documents ................................................................................................5
1.2 Used symbols and signal words ..........................................................................................6
2 Safety................................................................................................................... 7
2.1 Proper use ...........................................................................................................................7
2.2 Competent personnel...........................................................................................................9
2.3 Responsibility for safety.......................................................................................................9
2.4 Exemption of liability ............................................................................................................9
3 Device description ............................................................................................. 10
4 Functions ........................................................................................................... 12
5 Applications ....................................................................................................... 12
6 Mounting............................................................................................................ 13
6.1 Adjusting the deflection head.............................................................................................13
6.2 Mounting the Safety Switch ...............................................................................................14
6.3 Mounting the actuator ........................................................................................................15
7 Electrical connection.......................................................................................... 17
7.1 Connecting the contact block.............................................................................................17
8 Setting the device into service........................................................................... 20
9 Testing............................................................................................................... 20
9.1 To be performed prior to the initial start-up by competent personnel ................................20
9.2 To be performed periodically by competent personnel .....................................................20
9.3 To be performed daily by the operating personnel ............................................................21
10 Cleaning............................................................................................................. 22
11 Disposing........................................................................................................... 22
12 Service and support........................................................................................... 22
13 Accessories ....................................................................................................... 23
14 Technical data ................................................................................................... 24
15 EC Declaration of Conformity ............................................................................ 26
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
Review state, , Monday, 19. January 2009
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
About this document
TNT 35/7-24V
Review state, , Monday, 19. January 2009
1 About this document
1.1 Other applicable documents
The information on the S20 Safety Switch is divided into two documents. Docu-
ment "Application information" contains only the most important safety notices.
ªFor the safe implementation, testing and operation, download document
"Safe implementation and operation of the S20" from
tel. +49 8141 5350-111.
Table 1.1: Documents on the S20 Safety Switch
Purpose and target group Title Source
Detailed information for all
users Safe implementation and
operation (this document) On the Internet, download from:
http://www.leuze.com/s20
Basic information for
technicians and machine
operators
Application information Print document part no. 607234
included in the delivery contents of
the product
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
About this document
Review state, , Monday, 19. January 2009
1.2 Used symbols and signal words
Table 1.2: Warning symbols and signal words
Table 1.3: Other symbols
Symbol for dangers
NOTICE Signal word for property damage
Indicates dangers that may result in property damage if the measures for
danger avoidance are not followed.
CAUTION Signal word for minor injury
Indicates dangers that may result in minor injury if the measures for dan-
ger avoidance are not followed.
WARNING Signal word for severe injury
Indicates dangers that may result in severe or fatal injury if the measures
for danger avoidance are not followed.
DANGER Signal word for life-threatening danger
Indicates dangers that will result in severe or fatal injury if the measures
for danger avoidance are not followed.
Symbol for tips
Text passages with this symbol provide you with further information.
ªSymbols for action steps
Text passages with this symbol instruct you to perform actions.
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
Safety
TNT 35/7-24V
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2Safety
Before using the Safety Switch, a risk evaluation must be performed according to
valid standards (e.g. EN ISO 12100-1, EN ISO 13849-1, EN ISO 14121). For
mounting, operating and testing, document "Safe implementation and operation
of the S20" as well as all applicable national and international standards, regula-
tions, rules and directives must be observed (e.g. machinery directive, low-voltage
directive, work-equipment directive, safety regulations, accident-prevention regu-
lations, EN 1088, EN ISO 13849-1, EN 60204-1, EN 954-1). Observe and print
out relevant and supplied documents and distribute to the affected personnel.
ªBefore beginning work with the Safety Switch, completely read and understand
the documents applicable to the respective task.
The following standards apply for the risk evaluation at the protective device prior
to using the Safety Switch:
• EN ISO 14121, Safety of machinery, risk evaluation
• EN ISO 12100-1, Safety of machinery
• EN ISO 13849-1, Safety-related parts of control systems
The realizable category of the integration in control circuits according to
EN ISO 13849-1 and EN 954-1 is dependent on the used contact block and
wiring.
In particular, the following national and international legal regulations apply for the
start-up, technical inspections and work with Safety Switch:
• Machinery directive 2006/42/EC
• Low voltage directive 2006/95/EC
• Use of work equipment directive 89/655 EEC
• Safety regulations
• Accident-prevention regulations and safety rules
2.1 Proper use
To ensure proper personnel protection, the Safety Switch must be mounted,
connected and started-up by trained personnel. It must be in perfect condition and
inspected regularly. The switching process must only be triggered by an actuator
approved for this Safety Switch that is connected to the moveable guard in a non-
detachable and tamperproof manner.
The rules and regulations for protection and safety at work and the recognised
safety-related rules and regulations must be observed. These include:
• EN 1088, Interlocking devices associated with guards
• EN ISO 13849-1, Safety-related parts of control systems
• EN 60204-1, Electrical equipment of machines
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
Safety
Review state, , Monday, 19. January 2009
S20 Safety Switches must be connected in such a way that a dangerous state can
only be activated while the protective device is closed and so that the dangerous
state stops upon opening of the protective device. It must not be used if the point
of operation can be accessed during the lag time before the dangerous state has
ended.
Connection conditions:
• the dangerous state can only be activated while the protective device is
closed
• opening the protective device while the machine is running triggers a STOP
command and ends the dangerous state
Furthermore, the S20 Safety Switch must not be used under the following condi-
tions:
• high concentration of dust particles in the surrounding area
• rapidly changing ambient temperature (leads to condensation)
• in the event of strong physical shocks
• in explosive or easily flammable atmospheres
• the mounting locations are not sufficiently stable
• the safety of multiple persons is dependent on the function of this Safety
Switch (e.g. nuclear power plants, trains, aircraft, motor vehicles, incinera-
tors, medical devices)
Handling the Safety Switch:
ªObserve the permissible environmental conditions for storage and operation
(see chapter 14 "Technical data").
ªImmediately replace damaged Safety Switch according to these instructions
(see chapter 6 "Mounting").
ªUse cable gland, insulation materials and connecting wires of the appropriate
protection rating.
ªProtect the Safety Switch from penetrating foreign bodies (e.g. shavings, sand
and blasting agent).
ªBefore performing painting work, cover the actuation slot, actuator and name
plate.
ªImmediately clean any contamination from the Safety Switch that impacts func-
tion according to these instructions.
ªMake no structural changes to the Safety Switch.
For machines with longer slowdowns, a Safety Locking Device must be used.
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
Safety
TNT 35/7-24V
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2.2 Competent personnel
Prerequisites for competent personnel:
• suitable technical training
• knows the rules and regulations for occupational safety, safety at work and
safety technology and can assess the safety of the machine
• knows the instructions for the Safety Switch and the machine
• was instructed by the responsible individuals on the mounting and operation
of the machine and of the Safety Switch
2.3 Responsibility for safety
Manufacturer and operator of the machine must ensure that the machine and
implemented Safety Switch function properly and that all affected persons are
adequately informed and trained.
The type and content of all imparted information must not lead to unsafe actions
by users.
The manufacturer of the machine is responsible for:
• safe machine construction
• safe implementation of the Safety Switch
• imparting all relevant information to the operator
• adhering to all regulations and directives for the safe starting-up of the
machine
The operator of the machine is responsible for:
• instructing the operating personnel
• maintaining the safe operation of the machine
• adhering to all regulations and directives for occupational safety and safety
at work
• regular testing by competent personnel
2.4 Exemption of liability
Leuze electronic GmbH + Co. KG is not liable in the following cases:
• Safety Switch is not used as intended
• safety notices are not adhered to
• mounting and electrical connection are not properly performed
• proper function is not tested (see chapter 9 "Testing")
• changes to the Safety Switch
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
Device description
Review state, , Monday, 19. January 2009
3 Device description
The Safety Switch of the S20 series is an electro-mechanical switching device in
a housing made of glass-fibre-reinforced and non-combustible plastic; the device
satisfies protection rating IP 67. The standard design facilitates easy replacement.
By means of the funnel-shaped insertion opening, the actuator self-centres, even
if the door is slightly misadjusted.
1 Deflection head
2 Dust cover
3 Insertion opening for actuator
4 Housing cover
5 Name plate (connection data, production code and year of manufacture)
Table 3.1: S20 Safety Switch
Article Part No. Description
S20-P3C1-M20-FH 63000 100 2 NC, 1 cable entry
S20-P1C1-M20-FH 63000 101 1 NC + 1 NO, 1 cable entry
S20-P1C3-M20-LH 63000 102 1 NC + 1 NO, 3 cable entries
1
2
3
4
5
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Device description
TNT 35/7-24V
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Figure 3.1: Dimensions S20-P3C1-M20-FH and S20-P1C1-M20-FH in mm
Figure 3.2: Dimensions S20-P1C3-M20-LH in mm
3
22
20
30.8
30.8
24.2
7.5
7.5
41.5
36.5
14.2
78
34
4.2x7.2
50.5 77.5
5.5
5.5
7.518
52.2
40
30
90.5
17.8
7.6
14.1
30
31.6
9.1
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: [email protected]
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