Operating instructions
Safety sensor
EN
Operating instructions...................... pages 1 to 6
Translation of the original operating instructions
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BNS 16
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 qualied 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 specications 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 information.
Content
1 About this document
1.1 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.2 Target group: authorised qualied 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 Destination and use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2.4 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.5 Safety classication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
3 Mounting
3.1 General mounting instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
3.2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
3.3 Axial misalignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
6 Disassembly and disposal
6.1 Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
7 Appendix
7.1 EC Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
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 proper functionality of the entire machinery 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-specic 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. Subject to technical modications.
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.
x.000 / v.A. / 10.2009 / BZ-Nr. 5124-4V900 / Teile-Nr. 1172783_EN / Ausgabe D
EN
1
Operating instructions
B d x x
h
s/h3600
Safety sensor BNS 16
1.6 Warning about misuse
In case of inadequate or improper use or manipulations 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 modications to the device are strictly forbidden;
the manufacturer shall accept no liability for damages resulting from
such invasive work, arbitrary repairs, conversions and/or modications
to the device.
2 Product description
2.1 Ordering code
This operating instructions manual applies to the following types:
BNS 16-12Z
➀
No. Option Description
➀
Actuating plane
V front side
R right-hand side
L left-hand side
D cover-side
U bottom
LR left- and right-hand side
2.2 Special versions
For special versions, which are not listed in the order code below 2.1,
these specications apply accordingly, provided that they correspond to
the standard version.
2.3 Destination and use
The BNS 16 safety sensor is designed for application in safety circuits
and is used for monitoring the position of movable safety guards to EN
1088 and EN 60947-5-3. To actuate the safety sensors, only the BPS
16 actuators can be used, conventional magnets are not suitable.
To ensure a safe switch-off, the distance between the safety sensor and
the actuator must be at least 18 mm (s
) or higher (opening width of
ar
the safety guard).
For the BNS 16-12ZLR, the safe condition is only obtained, when the
left and the right actuator are located in front of the safety sensor.
The safety switches are used for applications, in which the hazardous
situation is terminated without delay when the safety guard is opened.
Only the entire system consisting of the safety sensor (BNS 16), the
actuator (BP 16) and the safety-monitoring module (AES) meets the
requirements of the standard EN 60947-5-3.
Connecting multiple BNS 16 safety sensors to one AES safety-monitoring module is technically possible. To connect multiple safety sensors
(check if authorised!), the NO contacts are wired in parallel and the NC
contacts in series. The Protect-IE-11 input expander module can be
used to connect up to 4 safety sensors as NC/NO version.
Recommended suitable safety-monitoring modules
AES 11../12../13../21../22../23../25../3075
AES 1102/1112/6112/7112
SRB 207AN*, SRB 301AN*
* in case of series-wiring at SRB max. 1 sensor with LED indication for
UN.
Connecting more than two BNS 16-12Z to the AES 1112/6112/7112
safety-monitoring modules is not possible.
2.4 Technical data
Standards: IEC 60947-5-3, BG-GS-ET-14
Enclosure: glass-bre reinforced thermoplastic,
self-extinguishing
Protection class: IP 67 to EN 60529
Cable entry: 3 x M20 x 1.5
Termination: Screw terminals
Cable section: max. 2 x 1.5 mm
2
(including conduc-
tor ferrules)
Mode of operation: magnetic
Actuator: BPS 16, coded
Limit distances:
assured switching distance s
assured switch-off distance
:
s
ar
: 8 mm
ao
18 mm
Switching voltage: max. 100 VAC/DC
Switching current: max. 400 mA
Switching capacity: max. 10 W
Ambient temperature: -25 °C ... +70 °C
Storage and transport tem-
-25 °C ... +70 °C
perature:
Switching frequency: max. 5 Hz
Resistance to shock: 30 g / 11ms
Resistance to vibrations: 10 ... 55 Hz, amplitude 1 mm
2.5 Safety classication
Standards: EN ISO 13849-1
(NC/NO contact): 25,000,000
B
10d
Service life TM 20 years
MTTF
d
10d op op
0,1 x n
n
op
op
t
cycle
(Specications can vary depending on the application-specic parameters hop, dop and t
as well as the load.)
cycle
3 Mounting
3.1 General mounting instructions
• Install the actuator(s) so that the marks of the safety sensor and the
actuator(s) are completely opposite when the safety guard is closed.
The marking of the BNS 16 simultaneously identies the active face.
• Uniformly tighten the cover screws (approx. 1 Nm).
• • Fitting is only authorised in a de-energised condition
• Do not use the sensor and the actuator as a .mechanical backstop.
• Any mounting position, provided that the active surfaces are opposite
• Inseparably x the sensor and the actuator to the safety guard
• Exclusively mount the safety sensor on at surfaces to avoid tensile
stresses that could damage the sensor or lead to varying switching
distances
• If possible, do not install the safety sensor and the actuator on ferromagnetic material.
• Do not install the safety sensor and the actuator in strong magnetic
elds
Do not subject the safety sensor and actuator to extreme vibrations and
shocks.
• Keep away from metal chips
• The mounting distance between two sensors should always be at
least 50 mm
2
EN
Operating instructions
15
60
S13
S31
S14
S22
S32
Safety sensor
BNS 16
3.2 Dimensions
All measurements in mm.
Safety sensor and actuator
20
18
39
18
8,5
9
17
3.3 Axial misalignment
A horizontal and vertical misalignment of the safety sensor and the
actuator is tolerated. The possible misalignment depends on the distance of the active surfaces of the sensor and the actuator. The sensor
remains active within the tolerance range.
The specied switching distances refer to opposedly mounted safety
40
11
sensors and actuators.
¤ 5,5
52
26
12
26
37
90
7
M20 x 1,5
M20 x 1,5
40
M20 x 1,5
18
38,5
26
52
Actuating planes BNS 16 Actuating planes BNS 16 LR
BNS 16-12ZD BNS 16-12ZLR
BNS 16-12ZU
BNS 16-12ZV
BNS 16-12ZR
BNS 16-12ZL
assured switching distance: sao = 8 mm
assured switch-off distance: sar = 18 mm
Adjustment
The proper functionality must always be checked by means of the
connected safety-monitoring module.
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.
The safety sensors must be wired in accordance with the specied
terminal diagram.
4.2 Contact variants
The contact position shows the actuated sensor function when the
safety guard is closed.
Safety contacts: S21-S22 and S13-S14
Signalling contact: S31-S32
BNS 16-12Z
S21
In combination with an AES safety-monitoring module, the wires of the
safety sensor must be wired in the following way:
NO contact: S13-S14 at the "NO input" of the safety-monitoring module
NC contact: S21-S22 at the "NC input" of the safety-monitoring module
NC contact: S31-S32 can be used for signalling purposes.
In this way, the coding of the safety sensor is ensured. Inductive loads
(e.g. contactors, relays, etc.) are to be suppressed by means of a
suitable circuit.
EN
3
Operating instructions
Safety sensor BNS 16
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. Fitting of the sensor and the actuator
2. Fitting and integrity of the power cable
3. The system is free of dirt and soiling (in particular metal chips)
5.2 Maintenance
In the case of correct installation and adequate use, the safety sensor
features maintenance-free functionality.
A regular visual inspection and functional test, including the following
steps, is recommended:
• Check the tting of the sensor and the actuator
• Remove possible metal chips
• Check the cable for damage.
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.
4
EN
Operating instructions
Safety sensor
7 Appendix
7.1 EC Declaration of conformity
EC Declaration of conformity
BNS 16
Translation of the original declaration of conformity
valid as of December 29, 2009
We hereby certify that the hereafter described safety components both in its basic design and
construction conforms to the applicable European Directives.
Name of the safety component: BNS 16
Description of the safety component: Coded safety-sensor with magnetic opera-
Harmonised EC-Directives: 2006/42/EC EC-Machinery Directive
Person authorized for the compilation of the
technical documentation:
K.A. Schmersal GmbH
Industrielle Sicherheitsschaltsysteme
Möddinghofe 30, D - 42279 Wuppertal
Germany
Internet: www.schmersal.com
ting principle in combination with the AES /
AZR / SRB safety-monitoring modules from
Schmersal or an equivalent safety-oriented
control system fullling the requirements of
the EN 60947-5-3.
Ulrich Loss
Möddinghofe 30
42279 Wuppertal
Place and date of issue: Wuppertal, July 22, 2009
Authorised signature
Heinz Schmersal
BNS 16-B-EN
Managing Director
Note
The currently valid declaration of conformity can be downloaded from the internet at www.schmersal.net.
EN
5
K. A. Schmersal GmbH
Industrielle Sicherheitsschaltsysteme
Möddinghofe 30, D - 42279 Wuppertal
Postfach 24 02 63, D - 42232 Wuppertal
Telefon +49 - (0)2 02 - 64 74 - 0
Telefax +49 - (0)2 02 - 64 74 - 1 00
E-Mail: info@schmersal.com
Internet: http://www.schmersal.com
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