FLASH issue 16 - Tridonic connection technology

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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
This auto-reset function is particularly important if high-pressure discharge lamps are used in factories or tunnels. Because factories and tunnels tend to be in use round the clock the lamps and control gear should not be disconnected from the power supply without good cause. The auto-reset function ensures that a light source that has randomly gone out can be reliably restarted. Technical data • Wattage range: 35 W - 2,000 W • Supply voltage: 230 V or 400 V version • Available with optional digitally controlled ignition • Robust compact design Specialists for 400 V Lighting systems for commercial greenhouses are often operated at an ac voltage of 400 V. Up to 10,000 luminaires per greenhouse can then be installed. For this special application TridonicAtco has developed the ZRM 6-ES/C 400 and ZRM 12-ES/C 400 ignitors. Thanks to their compact design and excellent thermal behaviour they are perfect for integrating in these special luminaires. For protection class 2 applications a terminal cover is available as an accessory for the ZRM ES/C ignitors. This cover can be easily snapped onto the terminal block even after the connecting cable has been fitted. The terminal cover prevents the terminals from being touched accidentally. Further information: www.tridonicatco.com Products Product news FLASH Issue 16 www.tridonicatco.com 37
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FLASH issue 16 - Tridonic connection technology

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