Typical System Layout; Electrical Connections - Nice spido SP600 Instructions Et Recommandations Pour L'installateur

2.2) Typical system layout

To clarify certain terms and aspects of a door automation system, we
have included a typical example of a system for an up-and-over door.
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Description
The description refers to the typical system shown in Fig. 2
1. SP6000.
2. Flashing light with built-in aerial (installed outdoors).
3. Key or keypad switch (installed outdoors) to connect to the
"Step-by-step" input.
4. Two photocells to connect to the "Photo" input.
5. Control buttons to connect to the "Step-by-step" or "Stop" input.
6. Power supply plug.

2.3) Electrical connections

!
To protect the fitter and avoid damaging the
components while electrical connections are being made
or the radio receiver is being connected, under no
circumstances may the unit be electrically powered.
• If the inputs of the NC (Normally Closed) contacts are not used
they should be jumped with the "24V Common" terminal (except
for the photocell inputs; for information please see the "Photo-test"
function).
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• If there is more than one NC contact, they must be connected in
"series".
• If the inputs of the NO (Normally Open) contacts are not used they
should be left free.
• If there is more than one NO contact, they must be connected in
"Parallel".
• The contacts must be mechanical and potential-free; no stage
connections are allowed, such as those defined as "PNP", "NPN",
"Open Collector", etc..