The feedback module LR101 has 8 inputs to connect switch contacts or occupancy detectors LB101 and 1 input to connect a voltage detector LB050.

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To bridge unstable switch conditions (e.g. temporary interruptions of the power supply), each signal input can be assigned a programmable delay time for feedback on the occupancy status of a track. The status is reported to the command station LZV100 via the feedback bus. The status can be displayed with a manual control LH100 or a PC (via the Digital plus interface).