26 en | Planning Modular Fire Panel
F.01U.028.089 | 8.0 | 2011.07 System Description Bosch Sicherheitssysteme GmbH
LSN Modules
– It is possible to combine LSN interface modules, LSN detectors and notification
appliances on one loop or stub line.
– For a mixed connection of LSN classic elements and LSN improved elements, a maximum
of 127 elements are permitted.
– Limits per LSN 0300 module:
– Up to 127 LSN classic elements or 254 LSN improved elements can be connected
– Current consumption of up to 300 mA
– Cable length of up to 1600 m (see also Page 34)
– The use of unshielded cables is possible.
– Limits per LSN 1500 module:
– Up to 127 LSN classic elements or 254 LSN improved elements can be connected
– Up to 1500 mA current consumption if LSN improved elements are connected
– Up to 300 mA current consumption if LSN classic elements are connected
– Cable length of up to 3000 m
– The use of unshielded cables is possible.
– As stipulated by EN 54-2, systems with more than 512 LSN elements must be connected
redundantly. This is ensured by using a second basic housing with an additional panel
controller. A CRP 0000 A cable set is required for redundant connection.
Technical Data and System Limits
Refer to the system limits in Section 7.1 System Limits, page 152.
The technical data for all components can be found in Section 7 Technical Data, page 152.
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