Operating instructions
Magnetic reed switches
Operating instructions. . . . . . . . . . . . .pages 1 to 4
EN
Original
BN 325-R(G)
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 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
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 ...................................1
1.7 Exclusion of liability .....................................1
2 Product description
2.1 Ordering code .........................................2
2.2 Special versions........................................2
2.3 Purpose ..............................................2
2.4 Technical data .........................................2
3 Mounting
3.1 General mounting instructions .............................2
3.2 Dimensions ...........................................2
3.3 Mounting set-up and actuating distances ....................3
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
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.
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 / 11.2017 / v.A. - 101135689-EN / H / 2017-11-14 / AE-Nr. 8380
4 Rear side Electrical connection
4.1 General information for electrical connection..................3
4.2 Adjustment............................................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
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
resulting from the use of unauthorised spare parts or accessories.
EN
1
Operating instructions
82610
8 (9)
24
10
85
30 9
M4
a
b
b
9,8
9
9
ø9
M4
a
ac
c
d
d
LED
13
LED
Magnetic reed switches
BN 325-R(G)
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:
BN 325-R➀-
No. Option Description
➀
➁
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.
➁
without LED
G with LED
Blade terminal 4,8 mm and 1 shielding plate
1239 Blade terminal 4,8 mm and 2 shielding plates
1389 Blade terminal 6,3 mm and 2 shielding plates
1279 Cable outlet left and 2 shielding plates
1279-2 Cable outlet right and 2 shielding plates
LST-1279 Cable with connector, -1279 like above
Only if the information described in this operating instructions
manual are realised correctly, the compliance with the Low
Voltage Directive is maintained.
3. Mounting
3.1 General mounting instructions
The installation may only be carried out by authorised
personnel.
• Any mounting position.
• Do not install the magnetic switch and the actuating magnet in strong
magnetic fields
• Keep away from metal chips
• Do not expose the magnetic switch and the actuating magnet to
strong vibrations and heavy shocks
• Do not use the magnetic switch and the actuating magnet as end stop
• The mounting distance between two sensors should always be at
least 30 mm.
When using more than one magnet switch, consider figures
next page.
3.2 Dimensions
All measurements in mm.
Blade terminal
PIN 1
PIN 2
2.3 Purpose
Magnetic switches are preferably used wherever mechanically operated
limit switches do not feature a satisfactory operation due to the
unfavourable operating conditions. In the elevator industry, magnetic
switches are preferably used for positioning and control purposes.
For actuating the magnetic swtches, the actuating magnets listed
by Schmersal (refer to Automation technology catalogue) can be
used. Depending on the chosen combination of magnetic switch and
actuating magnet, the switching distances and travels may vary.
2.4 Technical data
Standards: −
Enclosure and cover: glass-fibre reinforced thermoplastic
Protection class:
- Ordering suffix -1239 and -1389: IP00
- Ordering suffix -1279 and -1297-2: IP67
Termination:
- Ordering suffix -1239: Blade terminal 4.8 mm
- Ordering suffix -1389: Blade terminal 6.3 mm
- Ordering suffix -1279 and -1279-2: Cable outlet
- Ordering suffix -LST-1279: Cable with connector
Operating principle: magnetic
Switching voltage: max. 250 VAC
Switching current: max. 3 A
Switching capacity: max. 120 VA
Sparkover voltage: > 600 VAC (50 Hz)
Switching speed: max. 18 m/s
Switching frequency: max. 300 /s
Switching time “Close“: max. 1.5 ms
Switching time “Open”: max. 0.5 ms
Bounce duration: 0.3 ... 0.6 ms
Ambient temperature: – 25 °C … + 75 ºC
Mechanical life: 1 billion operations
Electrical life: 1 million - 1 billion operations,
Resistance to shock: 50 g / 11 ms
Resistance to vibration: 30 g on sine wave oscillation
Resistance to vibration: 10 ... 55 Hz, amplitude 1 mm
Switching point accuracy: ± 0.25 mm, T = constant
depending on load
Cable outlet
Key
a Shielding plate
b Blade terminal
c Cable outlet left (Index -1279)
d Cable outlet right (Index -1279-2)
2
EN
Operating instructions
Fe
Magnet BP 15/2
30
30
max. 5max. 5
Fe
Magnet BP 15/2
30
30
3-15
3-15
55
Fe
Magnet BP 15/2
30
30
PIN 2PIN 1
PIN 3PIN 1
BU
3
BK
BU
BN
BU
BK
Magnetic reed switches
BN 325-R(G)
3.3 Mounting set-up and actuating distances
Positioning of the switches when using more than one magnet switch
(actuating distance for all BN 325 with 2 shielding plates
at −20 °C ... +50 °C)
Achievable switching distance, even by offset of the actuating magnet
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.
BN 325-R
BN 325-R-1239
BN 325-R-1389
BN 325-R-1279
BN 325-R-1279-2
BN 325-RG-1279 BN 325-RG-1279-2
3
4
1
2
BN 325-R-LST-1279
BN 325-RG-LST-1279
PIN
BN
Maximum side-ways offset of two actuating magnets,
whereby the middle switch will not be affected.
The specified switching distances are applicable for the
actuation of individually mounted components without ferromagnetic influence. A change of the distance, positive either
negative, is possible due to ferromagnetic influences. The
mutual interference between multiple actuating magnets must
be observed. (For specal versions: diverging values possible)
Magnetic switches with bistable contacts will only function correctly,
when a magnetic north (green) or south (red) pole goes past the active
surface. The NC or NO function depends on the actuating direction and
the polarity of the actuating magnet.
Further information on the switching distances can be found
in the Automation technology catalogue in appendix.
Inductive loads (e.g. contactors, relays, etc.) are to be
provided with suitable interference suppression circuitry.
4.2 Adjustment
In order to actuate the BN 325-R/-RG magnetic switch, a north or south
pole magnet should be used. The markings found on the actuating side
of the cover are used for adjusting the magnet to the switch. The coloured
symbols including arrows, show the proper magnet arrangements and
the actuating direction. The magnets have the corresponding coloured
markings. The markings found on the actuating side of the cover are used
for adjusting the magnet to the switch. The coloured symbols including
arrows, show the proper magnet arrangements and the actuating direction.
The magnets have the corresponding coloured markings. The magnets
have the corresponding coloured markings.
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. Check the correct fixing of the magnetic switch and the actuating magnet
2. Integrity of the magnetic switch and the actuating magnet
3. Check the switch enclosure for damage
4. Check the functionality of the switch
5.2 Maintenance
A regular visual inspection and functional test, including the following
steps, is recommended:
1. Check the functionality of the switch
2. Remove particles of dust and soiling
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
accordance with the national prescriptions and legislations.
EN
3
Operating instructions
Magnetic reed switches
7. EU Declaration of conformity
EU Declaration of conformity
BN 325-R(G)
Original K.A. Schmersal GmbH & Co. KG
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: BN 1…, BN 2…, BN 3…,
Description of the component: Magnetic reed switches
Möddinghofe 30
42279 Wuppertal
Germany
Internet: www.schmersal.com
BN 6…, BN 7…, BN 8…
Relevant Directives: Low Voltage Directive
Place and date of issue: Wuppertal, June 3, 2016
BN-E-EN
RoHS-Directive
Authorised signature
Philip Schmersal
Managing Director
The currently valid declaration of conformity can be
downloaded from the internet at www.schmersal.net.
2014/35/EU
2011/65/EU
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: info@schmersal.com
Internet: http://www.schmersal.com
4
EN
Loading...