Simons Voss Technologies VdS Block lock Manual page 41

VdS Block lock
4.4.3.6 External LED
4.4.3.7 Acoustic acknowledgement
(Manual)
Contact bridge
Rx
Rz
You can connect an external LED to contacts 3 and 4 (recommended).
This gives you optical feedback from the block lock system and allows you
to query the status of the alarm system, for example.
Take into account the voltage drop on the line.

Use an LED suitable for the built-in series resistors (e.g. standard 5 mm

LED).
You have two options for the acoustic acknowledgement (selection via
jumper):
4. Initial operation
Layout
Wire jumper
open, optional termination resistor
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