Buttons and reed switches are connected to any free input in1-in28, while their second contact point is connected to GND point of the relevant METAFORSA module group. The example of connection is shown in '''Fig. 12-13'''. | Buttons and reed switches are connected to any free input in1-in28, while their second contact point is connected to GND point of the relevant METAFORSA module group. The example of connection is shown in '''Fig. 12-13'''. |