RLD-7.2 / RLD-14数字调光器
添加时间：2010-9-17 编辑：07079 阅读：次
- 产品名称：RLD-7.2 / RLD-14数字调光器
- 产品定货号：MB-04448-00
RLD-7.2digital / RLD-14digital
The RLD-7.2 is Rotem’s two channels digital light dimmer. This powerful dimmer can work manually,
be directly controlled by your poultry house controller through either its analog output (0-10 volt) or through its communication line.
The RLD-7.2 is designed to be easy, safe and comfortable to use, install and service.
The RLD-7.2 has some unique features such as “bright” button,
that feature enables the grower to increase the light to a preset intensity for a preset time length.
The user can enter the house push the button and leave from another door knowing the light will automatic go back to the requested low intensity.
The RLD-72 can efficiently control Incandescent, Cold Cathode and CFL bulbs.
Since CFL lamp physical behavior differs from the incandescent lamps,
Rotem’s R&D department made some researches on that issue.
Rotem checked different brands and measured the light intensity vs. Triac firing phase angle for:
- SDS-23W and SDS-15W from U Lighting America CFL Lamps
- MB-802D and MB-802DP from Litetronics CFL Lamps
The following was found:
- There is a similarity in CFL lamps behavior.
- There is a non linear behavior.
- There are some limitations on firing CFL lamp at lower range.
- The higher range of the lamp is not linear at all and big phase shifts should be applied in order to have a difference in light intensity.
Those issues were addressed in Rotem Light Dimmer software by the following means:
- Mapping the whole period of half sine wave by the light intensity vs. Triac firing phase angle.
- Rotem has restricted the low band operation.
- Rotem provided some correction factors in order to overcome CFL lamp parameters deviations.
Features:
• Two independent channels
• Heavy duty 40 Ampere TRIAC for each
channel
• 7,200 Watts (115 Volt), 14,400 Watts (230
Volt), 50/60 Hz
• Stable operation in low brightness (voltage)
• Manual / Off / Auto mode for each channel.
• Settings are saved automatically
• Settings are recovered after power failure
• Rugged terminals for the power cables
• Simple key hole mounting
• Water tight seals for cable entry
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