Simons Voss Technologies RouterNode 2 Manual page 11

6. Connections
RouterNode 2 (Manual)
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Evaluation of an analogue signal
The RouterNode 2 digitises the voltage level and compares the values with
a threshold value. You can configure this threshold value in the WaveNet
Manager and trigger an analogue event. In LSM event management, you
specify how the system is to respond to the occurrence of this event.
Use of the relay
The relay offers two potential-free outputs and a common earth
connection. You can use the relay to control external devices.
Using the open drain outputs
In the switched state, the open drain outputs establish an electrical
connection to the ground potential of RouterNode 2.