C.P. Electronics EBR-4SC Product Manual page 6

Rapid scene select plate
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Room Divide
Any combination of connecting rooms can be automatically controlled using a combination of scene
plates and room divide switches.
Using the example overleaf:
All rooms will operate independently if the room divide switches are closed.
If, for example, switch 151 is opened between room 1 and 2, then the two scene plates will operate
together and the LCM will output the room divide scene.
Opening switch 153 will then cause rooms 1,2 and 3 to operate together.
To program this, follow the steps below:
1.
Connect the room divide switches to the nearest LCM input—note the switches must be iso-
lated and must be closed when the room divide is closed.
2.
Set the LCM interface ID and set the type to "Room divide".
3.
Add a dependency to the local LCM channels of the local scene plate ID. Only add the local
scene plate, do not add the ID for any adjacent rooms. Set the master ID to the local scene
plate.
4.
Now each scene plate must be associated with scene plates in the adjacent rooms. To achieve
this, add dependencies to the scene plate: the adjacent scene plate ID and the adjacent room
divide ID. Repeat this for each adjacent room. For example, in the example opposite the fol-
lowing dependencies would be added to scene plate 101 (all interface dependencies) in this
exact order:
102, 151 (adds adjacent room 2)
104, 152 (adds adjacent room 4)
And for scene plate 102:
101, 151 (adds adjacent room 1)
103, 153 (adds adjacent room 3)
105, 154 (adds adjacent room 5)
This needs to be repeated for every room.
5.
Note: when entering the dependencies, the room divide entry must immediately follow the
scene plate entry.
6.
If an error is made in the entry, or the order is not followed exactly, simply repeat the entry of
the scene plate dependency and follow immediately with the room divide.
7.
In a room where two scene plates are required to operate together (room 9 opposite), still only
one scene plate dependency should be entered on the LCM. The scene plates must be made
dependent on each other, using a dummy room interface ID of 999. So the entry for scene plate
109 would be:
108, 162 (adds adjacent room 8)
106, 160 (adds adjacent room 6)
110, 999 (adds same room second plate)
plate 110 would be:
109, 999 (adds same room first plate)
note: the adjacent rooms only need to be added to one plate in the room
Note: to retain backward compatibility, the room divide can still be attached to the scene plate using the
terminals provided. In this case a room divide dependency does not have to be added to the LCM,
however the LCM must be dependent on all secondary scene plates. The room divide switch in this
case must be open when the room divide is closed.

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