schmersal SHG User manual

EN Operating instructions. . . . . . . . . . . . .pages 1 to 6
Original
1
SHG/SCG/SDG
Operating instructions
Safety switch
EN
1. About this document
1.1 Function
This operating instructions manual provides all the information you
need for the mounting, set-up and commissioning to ensure the safe
operation and disassembly of the safety switchgear. the operating
instructions must be available in a legible condition and a complete
version in the vicinity of the device.
1.2 Target group: authorised qualified personnel
All operations described in this operating instructions manual must
be carried out by trained specialist personnel, authorised by the plant
operator only.
Please make sure that you have read and understood these operating
instructions and that you know all applicable legislations regarding
occupational safety and accident prevention prior to installation and
putting the component into operation.
The machine builder must carefully select the harmonised standards
to be complied with as well as other technical specifications for the
selection, mounting and integration of the components.
1.3 Explanation of the symbols used
Information, hint, note:
This symbol is used for identifying useful additional informa-
tion.
Caution: Failure to comply with this warning notice could
lead to failures or malfunctions.
Warning: Failure to comply with this warning notice could
lead to physical injury and/or damage to the machine.
1.4 Appropriate use
The products described in these operating instructions are developed to
execute safety-related functions as part of an entire plant or machine. It
is the responsibility of the manufacturer of a machine or plant to ensure
the correct functionality of the entire machine or plant.
The safety switchgear must be exclusively used in accordance with
the versions listed below or for the applications authorised by the
manufacturer. Detailed information regarding the range of applications
can be found in the chapter "Product description".
1.5 General safety instructions
The user must observe the safety instructions in this operating
instructions manual, the country specific installation standards as well
as all prevailing safety regulations and accident prevention rules.
Further technical information can be found in the Schmersal
catalogues or in the online catalogue on the Internet:
www.schmersal.net.
The information contained in this operating instructions manual is
provided without liability and is subject to technical modifications.
If multiple safety components are wired in series, the
Performance Level to EN ISO 13849-1 will be reduced due
to the restricted error detection under certain circumstances.
The entire concept of the control system, in which the safety
component is integrated, must be validated to EN ISO 13849-2.
There are no residual risks, provided that the safety instructions as well
as the instructions regarding mounting, commissioning, operation and
maintenance are observed.
Content
1 About this document
1.1 Function ..............................................1
1.2 Target group: authorised qualied personnel..................1
1.3 Explanation of the symbols used ...........................1
1.4 Appropriate use ........................................1
1.5 General safety instructions ...............................1
1.6 Warning about misuse ...................................2
1.7 Exclusion of liability .....................................2
2 Product description
2.1 Ordering code .........................................2
2.2 Special versions........................................2
2.3 Purpose ..............................................2
2.4 Technical data .........................................2
2.5 Safety classication .....................................2
3 Mounting
3.1 General mounting instructions .............................3
3.2 Dimensions ...........................................3
4 Rear side Electrical connection
4.1 General information for electrical connection..................3
4.2 Contact variants........................................3
5 Set-up and maintenance
5.1 Functional testing.......................................3
5.2 Maintenance ..........................................3
6 Disassembly and disposal
6.1 Disassembly...........................................3
6.2 Disposal ..............................................3
7 EU Declaration of conformity
x.000 / 11.2017 / v.A. - 101021119-EN / B / 2017-11-07 / AE-Nr. 8346

2
Operating instructions
Safety switch SHG/SCG/SDG
EN
1.6 Warning about misuse
In case of improper use or manipulation of the safety
switchgear, personal hazards or damages to machinery
or plant components cannot be excluded. The relevant
requirements of the standard EN 1088 must be observed.
1.7 Exclusion of liability
We shall accept no liability for damages and malfunctions resulting from
defective mounting or failure to comply with this operating instructions
manual. The manufacturer shall accept no liability for damages
resulting from the use of unauthorised spare parts or accessories.
For safety reasons, invasive work on the device as well as arbitrary
repairs, conversions and modifications to the device are strictly
forbidden; the manufacturer shall accept no liability for damages
resulting from such invasive work, arbitrary repairs, conversions and/or
modifications to the device.
2. Product description
2.1 Ordering code
This operating instructions manual applies to the following types:
SHG
➀
/
➁
No. Option Description
➀
01 Head positioned to the front
02 Head positioned to the left
03 Head positioned to the right
04 Head positioned to the rear
➁
103/90 1 NC /1 NO slow action switch
220/110 2 NC slow action switch
92/90 1 NC / 1 NO snap action switch
SCG
➀
/
➁
No. Option Description
➀
01 Head positioned to the front
02 Head positioned to the left
03 Head positioned to the right
04 Head positioned to the rear
➁
103 1 NC /1 NO slow action switch
220/110 2 NC slow action switch
92/90 1 NC / 1 NO snap action switch
SDG
➀
/
➁
No. Option Description
➀
01 Head positioned to the front
02 Head positioned to the left
03 Head positioned to the right
04 Head positioned to the rear
➁
1103 2 NC /1 NO slow action switch
3330 3 NC slow action switch
3440 3 NC gradually slow action
1044 1 NC /2 NO slow action switch
Only if the information described in this operating instructions
manual are realised correctly, the safety function and
therefore the compliance with the Machinery Directive is
maintained.
2.2 Special versions
For special versions, which are not listed in the order code below 2.1,
these specifications apply accordingly, provided that they correspond to
the standard version.
2.3 Purpose
The SHG, SCG, SDG safety switch has been designed to prevent, in
conjunction with the control part of a machine, movable safety guards
from being opened before hazardous conditions have been eliminated.
Safety switches can only be used for applications, in
which the hazardous situation is terminated without delay
(e.g. run-on movements) when the safety guard is opened.
When the safety guard is opened, the NC contacts are positively
opened and the NO contacts are closed.
The user must evaluate and design the safety chain in accordance with
the relevant standards and on the required safety level.
2.4 Technical data
Standards: IEC 60947-5-1; EN ISO 13849-1;
EN 1088; BG-GS-ET-15
Enclosure: Aluminium
Actuator: steel
Contact material: Silver
Protection class: IP67
Contact type: change-over with double break Zb,
or 2 NC contacts, or 3 NC contacts,
galvanically separated contact bridges
Switching system: A IEC 60947-5-1, slow or snap action, NC
contacts with positive break
Connection: screw terminals
Cable type: solid wire
Cable section: 0.5 … 2.5 mm²
Cable type: stranded wire
Cable section: 0.5 … 1.5 mm²,
with conductor ferrules,
Cable entry: M20 × 1.5 ; SCG and SDG 3 × M20 x 1.5
Actuating speed: 0.2 m/s
Actuating frequency: max. 1200 operations/h
Mechanical life: > 1 million operations
Ambient temperature: − 25°C … + 70°C
Utilisation category: AC-15, DC-13
Ie/Ue:8 A / 230 VAC; 5 A / 24 VDC
6 A / 230 VAC; 4 A / 24 VDC only snap action
Ui: 400 V
Uimp:2.5 kV
Ithe:10 A
Us:24 VAC / DC 110 / 230 VAC
Max. fuse rating: 10 A gG D-fuse
2.5 Safety classification
Standards: EN ISO 13849-1
B10D (NC contact): 2,000,000
B10D (NO contact) at 10% ohmic contact load: 1,000,000
Service life: 20 years
MT
TF
Bdxx
hs/h3600
D
10Dopop
op
n
0,1 x nop tcycle
(Specifications can vary depending on the application-specific
parameters hop, dop and tcycle as well as the load.)

3
SHG/SCG/SDG
Operating instructions
Safety switch
EN
3. Mounting
3.1 General mounting instructions
Four mounting holes are provided for fixing the switch. The safety
switch must not be used as end stop. Any mounting position. The
mounting position however must be chosen so that the components
are protected against soiling and damage. The supplied fixing material
must be used. If another actuating direction is desired, the four screws
of the actuating head must be loosened. Turn the actuating head in the
desired direction and retighten the screws (tightening torque 0.5 Nm).
The default screws installed in the actuating head can be replaced with
the supplied tamperproof screws.
Mounting of the actuators: See mounting instructions actuators.
Please observe the remarks of the standards EN ISO 12100,
EN 953 and EN 1088.
3.2 Dimensions
All measurements in mm.
SHG...
16
40
43
M20x1,5
25,2
103
60
5,5
71
30
40
5,5
7,5
31
SCG...
25,2
78
31
39,5
50
88
120
16
3xM20x1,5 43
5,5
SDG...
25,2
39,5
50
31
110
120
152
16
3xM20x1,5 43
5,5
4. Rear side Electrical connection
4.1 General information for electrical connection
The electrical connection may only be carried out by
authorised personnel in a de-energised condition.
The contact labelling can be found in the wiring compartment of the
switch. For the cable entry, suitable cable glands with an appropriate
degree of protection must be used. After wiring, dust and soiling must
be removed from the wiring compartment.
4.2 Contact variants
Contacts are shown with safety guard closed.
SHG..103
SHG../92/90
SCG../103
SCG../92
SHG../220/110
SCG../220
11
23
12
24
11
21
12
22
SDG../1103 SDG../3330
SDG../3440
SDG../1044
11
21
33
12
22
34
11
21
31
12
22
32
11
23
33
12
24
34
5. Set-up and maintenance
5.1 Functional testing
The safety function of the safety components must be tested.
The following conditions must be previously checked and met:
1. Check the free movement of the actuating element.
2. Check the integrity of the cable entry and connections.
3. Check the switch enclosure for damage.
5.2 Maintenance
A regular visual inspection and functional test, including the following
steps, is recommended:
1. Check the free movement of the actuating element.
2. Remove particles of dust and soiling.
3. Check cable entry and connections.
Damaged or defective components must be replaced.
6. Disassembly and disposal
6.1 Disassembly
The safety switchgear must be disassembled in a de-energised
condition only.
6.2 Disposal
The safety switchgear must be disposed of in an appropriate manner in
accordance with the national prescriptions and legislations.

4EN
SHG_SCG_SDG-C-EN
Operating instructions
Safety switch SHG/SCG/SDG
7. EU Declaration of conformity
Place and date of issue: Wuppertal, March 15, 2017
Authorised signature
Philip Schmersal
Managing Director
EU Declaration of conformity
Original K.A. Schmersal GmbH & Co. KG
Möddinghofe 30
42279 Wuppertal
Germany
Internet: www.schmersal.com
We hereby certify that the hereafter described components both in their basic design and construction conform
to the applicable European Directives.
Name of the component: SHG / SCG / SDG
Type: See ordering code
Description of the component: Positive break position switch with separate actuator for safety
functions
Relevant Directives: Machinery Directive
RoHS-Directive
2006/42/EC
2011/65/EU
Applied standards: DIN EN 60947-5-1:2010,
DIN EN ISO 14119:2014
Person authorised for the compilation
of the technical documentation:
Oliver Wacker
Möddinghofe 30
42279 Wuppertal
The currently valid declaration of conformity can be
downloaded from the internet at www.schmersal.net.
K. A. Schmersal GmbH & Co. KG
Möddinghofe 30, D - 42279 Wuppertal
Postfach 24 02 63, D - 42232 Wuppertal
Phone: +49 - (0)2 02 - 64 74 - 0
Telefax: +49 - (0)2 02 - 64 74 - 1 00
E-Mail: [email protected]
Internet: http://www.schmersal.com