P6
Switched Relay Controller
A cabinet containing power dimming and/or switch-
ing circuitry to which lighting (or other) loads are
directly connected.
Control Panel
A compact fold out console which is contained
within the front panel door of the SC-RP and SC-
RPB Switch Relay Controller. The control panel has
an LCD screen and a keypad, and permits many
conguration settings to be made to the Switched
Relay Controller.
Output
An Output is physical circuit where electrical loads
are connected and controlled. Switched Relay
Controllers can have between zero and forty eight
separate Outputs, depending on the model.
All SC-RP and SC-RPB Outputs can be congured
to switch high voltage loads and can also provide
low voltage dimming control signals where required
with addition of the optional HF card accessory.
Each Output within the Switched Relay Controller
has a physical number which cannot be altered.
Zone
A Zone is a virtual representation of one or more
Outputs. For instance, a room might contain three
lights, each of which is connected to a separate
Output on the Switched Relay Controller. If all three
lights need to be switched On or dimmed in the
same way, then it makes sense to represent them all
as a single Zone.
The Outputs represented by a Zone do not need to
be within the same Switched Relay Controller, they
could be spread across any number of different
Controllers.
Once the Outputs are represented by a Zone, the
physical number related to each Output is only of
relevance within the Switched Relay Controller that
contains it. To all other devices, the Zone is the only
item of interest.
Scene
A Scene is a collection of settings for any number of
Zones. They are the equivalent of cues in theatrical
lighting.
For example, a hotel restaurant has breakfast, lunch
and evening sittings. There are four Zones: Ceiling
spots, wall washers, chandeliers and table lights.
The manager wants to create a different mood for
each sitting. Rather than adjusting each of the
four Zones individually every time, you can collect
different On/Off or dimming levels for the channels
into three separate Scenes (one for each sitting) and
apply each to a different button on the wallstation.
Changing between the sittings becomes simple and
consistent thanks to easy Scene selection.
Area
An Area is a collection of one or more Zones that
might have related operations. The most common
example for an Area would be a single room.
Imagine a restaurant with three zones: main ceiling
lighting, worktop task lights and a pendant lamp
over the table. The room has two wallstations.
By grouping the three Zones into a single Area, it
becomes straightforward to allow each wallstation
to adjust any of the Zones within the room.
Contact Closure Input
Each Switched Relay Controller has two volt-free
contacts which can be used to accept inputs from
external devices like re, intruder alarms or Emer-
gency Transfer so that lighting can be automatically
taken to a predetermined level to assist with visibility.
Source Type
There are many different technologies that are used
in today’s buildings to create light. Incandescent,
Fluorescent (low voltage dimmable and non-dimma-
ble) are examples of source types.
This guide uses standard terminology to describe the various aspects of equipment and operation. This brief section
provides an overview of certain terms.
Terminology Used in this Guide
