Bosch LSN 0300 A Produktbeschreibung / Montageanleitung Seite 13

English
Functional description
This module is used to connect an LSN loop to up to 254 LSN
LSN elements, with a maximum line current of 300 mA.
Terminal assignment
Pos. Labelling g
1 AUX1 +
Auxiliary power Auxiliary power
2 AUX1 -
3 LSN a1- LSN a1- outgoing
4 LSN b1+ LSN b1+ outgoing
5 AUX2 +
Auxiliary power Auxiliary power
6 AUX2 -
7 LSN a2- LSN a2- incoming
8 LSN b2+ LSN b2+ incoming
*** Auxiliary power must only be returned to AUX2 in looped
YBO-R/SCI isolators (ERT systems).
Technical Specifications
Operating and display elements
Input voltage
Current consumption: - Module Current consumption:
Line length
Number of LSN elements
LSN line current
AUX auxiliary power (28 V DC)
Protection class
Safety standards
EMC immunity
EMC emission
Permissible operating temperature -5 _C . . . 50 _C
Permissible storage temperature
Relative humidity
Housing material and colour
Dimensions (w x h x l)
Weight
Product description LSN 0300 A
Connection
LSN loop LSN stub
Auxiliary power Auxiliary power
supply supply stub 1
Stub 1 LSN a1-
Stub 1 LSN b1+
Auxiliary power Auxiliary power
supply*** supply stub 2
Stub 2 LSN a2-
Stub 2 LSN b2+
2 LEDs (1x red, alarm/1x yellow, fault)
1 button (LED test)
+20 V DC . . . +30 V DC/+5 V DC ±5%
Module 39 mA at 24 V DC 39 mA at 24 V DC
- LSN S 1.7 x current consumption of the LSN elements .
- AUX 1.2 x AUX auxiliary power
Max. 1000 m, depending on configuration and cable type
Max. 127 standard LSN elements
Max. 254 LSN
Max. 300 mA, depending on configuration and cable type
Max. 500 mA in an LSN loop (ERT system)
or 2 x max. 500 mA in 2 stubs
IP30/IEC 60529
IEC 60950 / EN 60950
EN 50130-4
EN 61000-6-3
-20 _C . . . 60 _C
Max. 95 % non-condensing
ABS plastic, (UL94 V-0), semi-gloss anthracite, RAL 7016
Approx. 127 x 96 x 60 mm
Approx. 225 g
improved
cu e t co su pt o o t e S e e e ts
elements
improved
13 / 32
4.998.137.277
elements or 127 standard
1 2 3 4 5 6 7
BDL-4.998.153.984 / A3
ST - FIR / PRM1 / deh
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