Artistric Licence Rail-DALI-DMX Manual de início rápido - Página 2

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Summary
Rail-DALI-DMX converts DALI into DMX512.
It is designed for environments that require
integration between the two protocols.
There are 2 main modes of operation: Ballast
mode and Trigger mode.
1. Ballast mode (DIP Switch 6 OFF) enables
control of DMX fixtures by a DALI controller.
It does this by simulating virtual ballasts,
each of which has control over a single
DMX channel.
2. Trigger Mode (DIP Switch 6 ON) is used
to trigger a DMX controller.
DALI Essentials
y Max 64 ballasts per bus (= one circuit)
y DALI BUS PSU required to provide voltage
on line (in addition to regular PSU)
y Ballasts used for the first time must be
commissioned (using e.g. Dali-Scope)
y DALI offers 4 types of control over ballast
intensity: individual channel, group, scene
and broadcast
Commissioning
As with any DALI product, the Rail-DALI-
DMX must be commissioned to give each
virtual ballast a unique short address.
The choice of short address depends on what
ballasts are already present on the network. If
no short addresses are taken up already, the
default course would be to assign sequential
short addresses starting at 1.
If the Rail-DALI-DMX is not commissioned,
it can still control the DMX fixtures when
receiving DALI broadcast commands. This
can be useful during the installation phase
prior to commissioning to check that the
system is responding.
Conventions
In this document, for clarity, we number DALI
ballasts 1-64, and Groups and Scenes 1-16.
On the wire, these actually appear as 0-63 and
0-15 respectively. Most DALI commissioning
tools use the latter numbering system.
Rail-DALI-DMX Quick Start Guide
Ballast Mode
In Ballast Mode, the virtual ballasts act in
the same manner as normal DALI ballasts
and respond to a sub-set of the standard
DALI commands (see User Guide Appendix:
DALI Commands - Overview). All intensity
control commands are supported (individual
channel, group, scene and broadcast).
Rail-DALI-DMX offers the user the option to
simulate 1, 4, 16 or 64 ballasts. The choice
is made via setting DIP switches 3 and 4 as
shown in Table 1. The DMX channels that are
not being used are set to zero.
If the total number of virtual ballasts is
changed, the commissioning procedure must
be carried out again.
DIP Switch
DIP Switch
3
Off
Off
Off
On
On
Off
On
On
Table 1
The product assigns each virtual ballast
a number that defines the output slot for
the DMX data as shown in Table 2. These
numbers are pre-programmed; however, the
system does allow editable short addresses
via commissioning.
Virtual Ballast No.
1
2
3
4
5
63
64
Table 2
Dimming Curve
The majority of DMX devices operate using a
linear dimming curve with the level selected
by a decimal value between 0 and 255.
DALI works with a non-linear (exponential)
Total no. of
4
Virtual Ballasts
1
4
16
64
DMX Data Slot
1
2
3
4
5
63
64
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