LSU 110 / 32 - Local Signalization Unit User manual
2 DESCRIPTION
LSU 110 / 32 device is intended for local signalization in power distribution substations. It is also
called alarm annunciator.
Power supply and binary inputs are made for standard voltages in substations; DC 24 V, DC 48
V, DC 110 V, DC 220 V or AC 230 V depends on ordering.
Device has 32 signal binary inputs (»DI1-DIn«), which controls dependent lamp (lamp1-n).
Speed and mode of lamp flashing depends on setting and can be changed by buttons on front
side of device.
Two modes of operation and four flashing lamp time can be set. First operation mode is latched
until acknowledged, second mode just follow the binary input. In first mode following flash lamp
time can be set: 0,5 s, 0,75 s, 1 s and 1,5 s. Each DI can be delayed, from 0 ms to 65,535 s.
Additional 4 binary inputs »DIA«, »DIB«, »DIC«, »DID« for special purpose like remote horn and
lamp acknowledge and test.
Function of 6 binary outputs »DO1-DO6« is remote lamp and remote horn control, lamp
acknowledge, and device ready function.
For sound alarming, device is equipped with the buzzer.
Red/green lamp on front side of device has a function of visual inspection of device operation.
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User manual LS3MUE01
5