Bosch 8-Dec - Manual (Page 367)

LSN Peripherals | LSN Magnetic Contacts | 359
AMK 4 LSN Shutter Door
Contact
Features
▶ Shutter door contact in LSN technology
▶ For connecting to the LSN intrusion control panel
▶ VdS class B
▶ High level of mechanical strength
▶ Large switch distance
▶ LSN perimeter protection
LSN shutter door contacts are used to monitor rolling,
sliding and garage doors.
Certifications and Approvals
Region Certification
Europe CE AMK 4 LSN
Germany VdS G 101503, B AMK 4 LSN
Installation/Configuration Notes
Installation notes
• For doors < 1.5 m, one shutter door contact is required.
For doors > 1.5 m, use two shutter door contacts. Take
note of the permissible installation tolerances.
• The shutter door contact consists of a sealed magnetic
switch and a magnet in a plastic casing.
•
The connection cable is protected over 1 m by a metal
tube.
•
The magnetic switch is installed at ground level
(requires a flat surface). Vehicles with rubber tires can
drive over the switch without causing problems.
•
The magnetic switch must not be used as a door-
stopper.
Distances diagram
1 Extraction
2 Proximity switch part
3 Standby zone
Connecting LSN contacts
•
Each LSN contact is a physical LSN element (1 out of
127 possible per loop).
•
The length of LSN contact connection cables must be
included when planning the total line length of the LSN
loop, as LSN technology is incorporated in these
detectors.
•
Passive coupling elements for joining the connection
cables to the installation cable must be placed as close
as possible to the LSN contacts. The 1 m connection
cable with 2 m LSN cable length is included in the
calculation of the LSN cable length (LSN is carried into
the contacts and back out again).
• Connector boxes (optional) are classified as installation
material.
Testing LSN contacts
•
Reed switch and microswitch functions can be checked
before installation by a high-Ohm multimeter or
continuity checker (for diode paths).
•
The resistance values are approximate values; a large
change in resistance is significant here.
1 Detector
2 High-Ohm multimeter
Contact open: approx. 3 MOhm
Contact closed: approx. 1 megaohm
Note Only the intrusion contact can be checked in
this way. The tamper switch of the Class C
magnetic contact can be checked by the LSN
control panel or with the LSN testing device
(software version 3.x onward).
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