Osram QUICKTRONIC INTELLIGENT DIM CFL Manual de usuario descargar pdf (Pagina 37)

3.2.6 Asynchronism/Automation of the system

The increased use of DALI ECGs in button operation shows again and

again that in systems with

• not completely sinusoidal supply voltage (e.g. electronic dimmer on

the same mains supply),

• excessively long line lengths or

• high DALI ECG count (more than 6 ECGs per TouchDIM applica-

tion)

increasing results in asynchronism of the connected DALI ECGs. To

consistently prevent asynchronously running lighting systems in prac-

tice, the permissible number of DALI ECGs is limited to 6 units.

3.2.6.1 Prevention/Remedying of asynchronism

With the aid of the DALI repeater that is described in more detail in the

context of the LMS (Light Management Systems) portfolio (see

www.osram.com/ecg-lms), up to 64 ECGs can easily be operated in

the TouchDIM function without having to be concerned about asyn-

chronism. Without the repeater, the TouchDIM application is however

only restricted to floor-standing luminaires or small offices.

3.2.6.2 Synchronization

For physical reasons a TouchDIM can work asynchronously, i.e. the

switching status and dimming direction of the separate luminaires are

different. The following steps help in the synchronization of a Touch-

DIM system:

1st. step: Longpress (> 0.5 s)

! All luminaires switch on

2nd. step: Shortpress (< 0.5 s)

! All luminaires switch off

3rd. step: Longpress (> 0.5 s)

! All luminaires switch on and dim

4th. step: Double-click

! Save dimmer setting (if required)

After these four steps – long–short–long–double-click – the

ECGs

again behave synchronously.

Note:

TouchDIM was developed for manual control and is not suitable for

automation, e.g. for connecting to a PLC.

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Osram QUICKTRONIC INTELLIGENT DIM CFL Manual de usuario Pagina 37