80190-380-01-R 80190-378-51/12 用于处理器模块输入输出 A-B

产品标题：80190-380-01-R 80190-378-51/12 用于处理器模块输入输出 A-B

型号: 80190-380-01-R 80190-378-51/12 用于处理器模块输入输出 A-B

品牌： A-B

质保：七天验收期，质保期一年
发货期：1-3个工作日

产品图片展示

产品详情资料

 在大多数情况下，操作员面板的环境温度明显较高
设备机柜的环境温度。
如果机柜很高，并且有许多发热设备
机柜顶部的温度将大大高于理论温度
预期的温度升高。所有电子设备都对热敏感。
电解电容器的寿命减半，增加8-10°C
温度15-20°C的温度升高会导致四分之一的寿命等。
威图有一个很好的程序来估算
机柜以及用于控制设备温度的大型程序
内阁
搪瓷涂层钢柜的辐射热值为5.5 W/m2和°C。
在机柜内安装风扇可以在移动空气的同时平衡温度
提供比静止空气更好的冷却效果。合适的风扇为120 x 120 mm
轴流风机，可提供24 V DC、115 V AC和230 V AC。
安装风扇，使其位于冷却器区域，并将冷空气吹向
操作员面板。如果风扇安装在顶部并向上吸入空气，则风扇
环境温度将更高=寿命更短。
一个装有滚珠轴承的好风扇的预期寿命至少为40000年
40°C下的小时数（非保证寿命）。这至少相当于4年
持续使用。如果安装了恒温器，风扇只需要在以下情况下启动
需要。
当背景为
照明关闭。损耗效应从25 W降至仅5 W。
操作员面板的损耗效应=电源电压x电流。几乎没有电力供应
不会因输入而造成损失。In most cases, the ambient temperature for the operator panel is significantly higher
than the device cabinet’s ambient temperature.
If the cabinet is tall and there are a number of heat-generating devices, the
temperature at the top of the cabinet will be considerably higher than the theoretical
temperature increase that would be expected. All electronics are sensitive to heat.
The lifespan of an electrolytic capacitor is cut in half with an 8-10 °C increase in
temperature. A 15-20 °C temperature increase results in a quarter of the lifespan etc.
Rittal has a good program for estimating the anticipated average temperature in the
cabinet as well as a large program for controlling the temperature in the device
cabinet.
An enamel-coated steel cabinet has a radiant heat value of 5.5 W/m2 and °C.
Installing a fan inside the cabinet will even out the temperature, while moving air
provides considerably better cooling than still air. A suitable fan is a 120 x 120 mm
axial fan, available in 24 V DC, 115 and 230 V AC.
Install the fan so that it sits in the cooler area and will blow cold air against the
operator panel. If the fan is mounted at the top and sucks air upwards, the fan’s
ambient temperature will be higher = shorter lifespan.
A good fan with a ball-bearing mounting has an expected lifespan of at least 40,000
hours (not a guaranteed lifespan) at 40 °C. This corresponds to at least 4 years of
continuous use. If a thermostat is installed, the fan only needs to come on when
needed.
Large graphic terminals draw only one fifth of the current when the background
lighting is off. The loss effect drops from e.g. 25 W to only 5 W.
The operator panel’s loss effect = supply voltage x current. Virtually no power goes
to external users and no loss effects due to inputs.

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