schmersal TQ 900 User manual

1
TQ 900
Operating instructions
Pull-wire switches
EN
1. About this document
1.1 Function
This operating instructions manual provides all the information required
for the mounting, set-up and commissioning to ensure the safe opera-
tion and disassembly of the safety switchgear. he 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 selec-
tion, mounting and integration of the components.
1.3 Explanation of the symbols used
Information, hint, note:
This symbol is used for identifying useful additional information.
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 product 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 instruc-
tions 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 pro-
vided without liability and is subject to technical modifications.
There are no residual risks, provided that the safety instructions as well
as the instructions regarding mounting, commissioning, operation and
maintenance are observed.
1.6 Warning about misuse
In case of inadequate or improper use or manipulations of
the component, personal hazards or damage to machinery
or plant components cannot be excluded.
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 result-
ing from the use of unauthorised spare parts or accessories.
For safety reasons, invasive work on the device as well as arbitrary re-
pairs, 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.
Content
1 About this document
1.1 Function ..............................................1
1.2 ..................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 ...................................1
1.7 Exclusion of liability .....................................1
2 Product description
2.1 Ordering code .........................................2
2.2 Special versions........................................2
2.3 Destination and use .....................................2
2.4 Technical data .........................................2
3 Mounting
3.1 General mounting instructions .............................2
3.2 Dimensions ...........................................3
4 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 Appendix
7.1 EC Declaration of conformity ..............................4
12.2015 / 101186350-EN / ACE-573767 / F
EN Operating instructions. . . . . . . . . . . . .pages 1 to 6
Translation of the original operating instructions

2
Operating instructions
Pull-wire switches TQ 900
EN
2. Product description
2.1 Ordering code
This operating instructions manual applies to the following types:
TQ 900- ➀
No. Option Description
➀
11 1 NO contacts / 1 NC contacts
13 1 NO contacts / 3 NC contacts
22 2 NO contacts / 2 NC contacts
02 2 NC contacts
04 4 NC
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 Destination and use
Pull-wire switches are used on machinery and plants, where triggering
the switching command must be enabled at arbitrary points on the wire
run. If the tensioned pull-wire is pulled or in case of wire breakage, the
switching function of the pull-wire switch is activated. (refer to image 1).
F
1
0
0
Image 1: position indication and actuation
Design/operating principle
The pull-wire switches of the TQ 900 series are brought into the
operational condition by the proper pre-tensioning of the wire. Up to two
switching elements located on the inside of the switch have either 2 or
4 contacts, whereby the NC contacts are closed and the NO contacts
are opened in tensioned condition.
The pull-wire switch does not meet the requirements of ISO 13850,
IEC 60947-5-5 and NBR 13930.
2.4 Technical data
Standards: IEC 60947-5-1
Enclosure: GD-Zn alloy, paint
Cover: thermoplastic
Protection class: IP65, IP67 to IEC 60529
Contact material: Silver
Switching system: Change-over contact with double break,
1 to 4 NC contacts; slow action with
positive break NC contacts
A
Connection: screw terminals
Cable section: max. 2.5 mm² (incl. conductor ferrules)
Cable entry: 3 x M20 x 1.5
Rated impulse withstand voltage Uimp:6 kV
Rated insulation voltage Ui:500 V
Thermal test current Ithe:6 A
Rated operating current/voltage Ie/Ue:4 A / 230 VAC,
1 A / 24 VDC
Utilisation category: AC-15, DC-13
Required short-circuit current: 1000 A
Max. fuse rating: 6 A gG D-fuse (EN 60269-1)
Ambient temperature: –25 °C … +70 °C
Wire length: max. 75 m depending in relation to the
range of ambient temperature (see image 3)
Mechanical life: >1 million operations
AWG 14. Solid/Stranded. Max. torque: 7 in. lb.
Use copper conductors only.
3. Mounting
3.1 General mounting instructions
The fitting may only be carried out by authorised personnel. The pull-
wire switch is fitted by means of two screws (distance of the drill holes
40 mm or 48 mm).
For tensioned span lengths up to 10 m, intermediate wire supports are
required every 3 to 5 m. To avoid resonance vibrations in the wire on
machines with high vibrations, it is recommended to realise the individu-
al support length differently.
The maximum perpendicular traction force to be exercised
on the wire in order to activate the emergency pull-wire
switch is 200 N, the maximum deflection is 400 mm.
Sufficient space must be provided so that the required
actuating deflection can be reached.
64 23 6561
0,1 m
3-5 m
A
46 932
max. 75 m
8238327
0,1 m
3-5 m
A
1 9
Image 2: mounting of the components
Key
1 Pull-wire with red PVC sheath Ø 5 mm (steel core: Ø 3 mm)
2 Eyebolt
3 Nut
4 Wire clamp
5 Tensioner
6 Wire thimble
7 shackle
8 S900 wire tensioner
9 Tension spring RZ-2041
A position indication
We recommend the use of the RZ-2041 tension spring to attenuate the
effects of temperature variations.
Due to the thermal expansion behaviour of the wire, the maximum
authorised wire length is determined by the ambient temperature range
(refer to image 3).
-10-20-30
5
15
25
35
45
55
65
75
0102030405060 70
lm[]
T°C[]
■
without tension
spring
■
with tension
spring
Image 3: temperature-dependent maximum wire length with or without
tension spring

3
TQ 900
Operating instructions
Pull-wire switches
EN
The pull-wire must be fixed to the ring and then be pre-tensioned until
the position indication is in the central position (refer to image 1).
As the thimbles are subject to deformation in case of wire pull, the wire
should be pulled several times after fitting. After that, the wire must be
re-tensioned (see image 4).
Image 4: deformation of the wire thimbles
In order to ensure an optimal operation safety and to save
time during fitting, we recommend using the wire rope and
the combined fixing and tensioning system from Schmersal.
Alternatively, wire thimbles and wire clamps can be used in
conjunction with a tensioner. In this case, the red PVC sheet
must be removed in the clamp area prior to installing the wire
rope.
3.2 Dimensions
All measurements in mm.
TQ 900
71,5
40
48
¤6,5
12
10
133,4
69,7
27
49,5
220,3-236,3
¤15
M20x1,5
Key
APosition indication
4. 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.
1. Cover screws must be loosened
2. Dust shield cap remove
3. Cable glands M20 x 1.5 with an appropriate degree of protection
must be used
4. When wiring, please ensure that no cables are located within the
range of the lever system
5. The inside of the switch must be imperatively cleaned (e.g. removal
of cable residues), considering that foreign bodies can affect the
switching behaviour
6. Unused cable entries must be sealed by means of locking screws,
included in delivery (tightening torque 4 Nm)
7. The cover screws must be tightened uniformly (tightening torque 1 Nm)
Accessories cable gland:
Ordering code: 103006013
Authorised cable diameter: 6 - 12 mm
Tightening torque: 4.5 Nm
4.2 Contact variants
The symbols are shown for the switch in non-actuated condition.
TQ 900-11 TQ 900-02
14
13
22
21
12
11
22
21
TQ 900-22 TQ 900-04 TQ 900-13
13 14
2221
14
13
2221
S1 S2 11 12
2221
12
11
2221
S1 S2
11 12
2221
14
13
2221
S1 S2
Key
A Positive break NC contact
5. Set-up and maintenance
5.1 Functional testing
The function of the component must be tested. The following conditions
must be previously checked and met:
1. Correct fixing of the pull-wire switch
2. Check the integrity of the cable entry and connections
3. Check the switch enclosure for damage
4. Check the functionality of the switch by actuating the wire
5. Check the cable tensioning by means of the position indicator
5.2 Maintenance
A regular visual inspection and functional test, including the following
steps, is recommended:
1. Check the wire tension through the wire position indication and check
the wire and the wire guides for damages and proper fitting
2. Check the functionality of the switch by actuating the wire
3. Check the cable entries and the wire connections
4. Remove particles of dust and soiling
Do not open the device when live.
Damaged or defective components must be replaced.
6. Disassembly and disposal
6.1 Disassembly
The switch must be disassembled in a de-energised condition only.
6.2 Disposal
The switch must be disposed of in an appropriate manner in accord-
ance with the national prescriptions and legislations.

4
Operating instructions
Pull-wire switches TQ 900
EN
TQ900-C-FR
7. Appendix
7.1 EC Declaration of conformity
Name of the component: TQ 900
Description of the component: Pull-wire switches
Relevant EC-Directives: 2006/95/EG EC Low Voltage Directive
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
Production site:
ACE Schmersal
Eletroeletrônica Industrial Ltda.
Av. Brasil, nº 815
Jardim Esplanada – CEP: 18550-000, Boituva – SP
Brazil
Phone +55 - (0)15 - 32 63 - 9866
Fax +55 - (0)15 - 32 63 - 9890
E-Mail: [email protected]
Internet: http://www.schmersal.com.br
Place and date of issue: Boituva, 28. May 2015
Authorised signature
Marco Antonio De Dato
Head of Engineering and Design
EC Declaration of conformity
Translation of the original
Declaration of Conformity
ACE Schmersal
Eletroeletrônica Industrial Ltda.
Av. Brasil, nº 815
Vila Esplanada
CEP: 18550-000 Boituva – SP
Brazil
Internet: www.schmersal.com.br
We hereby certify that the hereafter described products both in their basic design and construction
conform to the applicable European Directives.