Artistric Licence Rail-DALI-DMX Manuel de démarrage rapide - Page 3

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curve. Each method produces a different
output, as shown by the graph below.
Ballast Power
100%
DMX
DALI
0
0
Control Value
Rail-DALI-DMX offers the user the ability to
adjust the response curve of the DMX output
in order to mimic that of DALI ballasts.
The choice is set using DIP switch 5. OFF
means no curve correction, while ON will
apply the exponential curve correction.
The correction affects all control modes
(Broadcast, Channel, Group & Scene). The
correction is an approximation; due to the
nature of the conversion the top end is steppy.
Fade Times
In Ballast Mode, Rail-DALI-DMX offers three
fade times of 0 (instant), 1 or 4 seconds.
Other input values of fade times are treated
as 0 (instant). Simulated fades only happen
when 'Direct Arc Power' commands and 'Go
To Scene' commands are used.
Fade times are selected on a 'per virtual
ballast' basis using a tool such as Dali-
Scope. Fade times allow the virtual ballast to
perform a simulated fade when they receive
a commanded to adopt a new level. A one-
second fade executes using a fade ramp of
approximately 30 steps, while a four-second
fade uses a fade ramp of approximately
120 steps (note that this feature applies to
products with serial numbers above 0129).
Trigger Mode
Trigger Mode is used to trigger a DMX
controller. It enables integration between
existing DALI installations and DMX systems.
Trigger Mode also uses virtual ballasts but, in
contrast to Ballast Mode, they are not proxies
for actual fixtures. As such, the DALI control
commands Channel, Group and Scene lose
their literal meaning. Instead, they should be
viewed simply as data streams that enable
various triggering options.
Rail-DALI-DMX Quick Start Guide
The virtual ballasts are pre-commissioned
to define this triggering structure. Appendix
Tables 3-6 in the User Guide detail the pre-
programmed relationship between the virtual
ballasts and the DMX output slots.
The number of virtual ballasts can be set as
shown in Table 1.
The Dimming Curve Translation (DIP Switch
5) is operative for Channels and Groups.
255
Again, it should be remembered that, in
trigger mode, there is no concept of this
describing actual fixture intensity levels.
Connections
No.
1
2
3
Connection
4
5
Power Input
6
Power Input
7
Connection
Dip
Switch
1
2
3
4
5
6
Type
LED
DALI Received
LED
DMX Output
DIP Switch
GND Connection
9 - 24 VDC
DALI Connection
Function
Not Used
Not Used
No. of virtual ballasts (see Tab.1)
No. of virtual ballasts (see Tab.1)
Dimming Curve (OFF: No correction
ON: Exponential correction)
Operation Mode
(OFF: Ballast / ON: Trigger)
Function
Power
See below
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