The input interface works much in the same way as a user
control panel, except that the ‘virtual button press’ is initiated
by a relay closure from the security system or any control
system with a relay output, such as an alarm system. This, in
a simple example, would send a message across the network
such as ‘Area 2 go to Preset 1 over 5 seconds’. Again, all of the
load controllers in the system would listen to the message and
respond as previously described. Analogue inputs can also be
programmedinasimilarwaytodirectlyrampspecicchannels
or areas up and down, or to send out a preset message at a
predetermined input level.
Philips Dynalite relay and ballast controllers are used to
provide dry contact digital and 1-10V analogue outputs,
which can be programmed to represent the state or level of
a channel or area. Much as the Philips Dynalite system can
receive inputs from other systems, the outputs can be used to
provide status or command information to another system.
Figure 08 > Wiring connection for low-level 3rd party integration to the DyNet system
Another common method of control is to enable interoperability
with other systems, such as security and access control. Where
there are a limited number of functions controlled by either
system, the most convenient method is often by way of a low-level
interface through dry contact digital or 1-10V inputs and outputs,
as shown below;
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