FLASH issue 16 - Tridonic connection technology

Product
ZRM ES/C for a wide range of applications
From autumn 2007 the ZRM ES/C series of ignitors will be fully rounded to cover all relevant applications.
They can be used to operate all standard high-pressure discharge lamps with outputs from 35 W to 2,000 W
in accordance with the appropriate specifications.
Now complete
Standard applications in focus
The new ES/C series includes the ZRM 2-ES/C, ZRM 2.5-ES/C and
ZRM 4.5-ES/C ignitors for outputs of 35 W to 400 W in standard
applications. It also includes high-performance ZRM 6-ES/C ignitors
for the 35 W to 400 W range for temperature-critical or low-noise
installations. The ZRM 12-ES/C version is designed for the high-end
output range from 400 W to 1,000/2,000 W. Thanks to its small
casing dimensions and optimised thermal behaviour it is ideal for
compact luminaire designs.
A complete family
The ZRM 6-ES/C and ZRM 12-ES/C ignitors in the “Standard”, “Digital
Timer Function” and “400 V Application” versions now supplement the
ZRM ES/C series of ignitors. From autumn 2007 there will therefore be
a complete range worldwide for operating high-pressure discharge lamps
with outputs from 35 W to 2,000 W.
The ZRM ES/C series is characterised above all by an attractive
price/performance ratio. Compared with the previous generation,
the casing dimensions have been reduced but the thermal behaviour
has been maintained or even improved.
Monitoring for added safety
The ZRM ES/CT versions bring added value in that they are basic units
with the addition of a compact digital timer. The timer monitors the
ignition process and the behaviour of the lamp. The starting phase
of the first time interval has been extended from 10 s to 3 min to meet
the increased demands of future light sources. If the lamp does not ignite
in this period the ignitor switches to the tried and tested pulse/pause
ignition method. This ensures that hot light sources are restarted faster
and reduces EMC interference considerably.
An automatic reset function has also been integrated in the digital ignition
control system. In digital ignitors from TridonicAtco the successful threestart
counter detects lamp cycling that can occur when a lamp comes
to the end of its life. The digital circuit reacts to this effect and terminates
the ignition process after the light source has gone out three times.
Quick breaks in the power supply lasting only a few ms and vibrations
can cause lamps to go out. The lamp is then automatically restarted
and monitored to see whether it will operate for at least 1 hour without
a problem. If this is the case, the three-start counter is reset to zero so
that it can be restarted when it next goes out.
36 www.tridonicatco.com FLASH Issue 16