This module allows the connection of an LSN loop with up to 254 LSN improved elements with a maximum line current of 1500 mA or with up to 127 classic LSN elements, with a maximum line current of 300 mA.
Input voltage | 20 V DC to 30 V DC / 5 V DC ± 5 % |
Output voltage: | |
LSN | 30 ± 0.85 V DC |
Aux auxiliary power | 28 ± 1.0 V DC |
Max. current consumption | 4010 mA at 24 V DC |
Nominal current consumption | |
Module | 260 mA at 24 V DC |
LSN | 1.7 x current consumption of LSN elements |
AUX | 1.2 x Auxiliary power |
LSN line current: | |
Standby | Max. 750 mA, depending on configuration and cable type |
Alarm | Max. 1500 mA, depending on configuration and cable type, Max. 300 mA at connection of classic LSN elements |
AUX auxiliary power (28 V DC) | Max. 500 mA in an LSN loop (ERT system) or 2 x max. 500 mA in 2 stubs |
Operation/display elements | 2 LEDs ( red = alarm, yellow = fault)1 button (LED test) |
Housing material | ABS plastic, (UL94 V-0) |
Housing color | Satin finish, anthracite, RAL 7016 |
Dimensions | Approx. 127 x 190 x 60 mm(5.0 x 7.6 x 2.4 in.) |
Weight | Approx. 440 g |
Max. line length | 3000 m, depending on configuration and cable type |
Number of elements | Max. 127 classic LSN elements Max. 254 LSN improved elements |
Permissible operating temperature | -5 °C to 50 °C (23 °F to 122 °F) |
Permitted storage temperature | -20 °C to 60 °C (-4 °F to 140 °F) |
Permitted relative humidity | 95 % , non-condensing |
Protection class as per IEC 60529 | IP 30 |