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1775-S5通信适配器
计算功耗尽管最大功耗如第A2.1节“规范”中的第（1）项“通用规范”所示，但它实际上因所安装模块的数量和类型而异。阅读第A2.9节“模块电流消耗表”后，根据以下公式计算功耗。要估计面板外壳内的温升，需要计算面板外壳内消耗的总功率。为此，您需要将上述电源模块的功耗、为FA-M3的I/O模块提供的外部电源以及安装在面板外壳内的外围设备的功耗添加到电源模块中。下面给出了一些计算FA-M3输入/输出模块外部电源的示例。示例1：假设F3XD32-3F的所有点均为ON。每个点的额定电流输入为4.1 mA，因此模块的功耗为：4.1[mA]x 24[V]x 32[points]=3148.8[mW]=3.15[W]示例2：假设F3GYD64-1F的30个点为ON，负载电流为0.1 a。对于此模块，必须考虑输出晶体管的功率损耗。最大接通电压为0.5 V，每个晶体管的负载电流为0.1 A，因此晶体管的功率损耗为：0.5[V]x 0.1[A]x 30[points]=1.50[W]外部电源为24 V/150 mA，因此外部负载的功耗为：24[V]×150[mA]=3600[mW]=3.60[W'
CE标记一致性
关于CE标志CE标志旨在整合欧共体内各国现有的安全法规，确保安全产品的自由流通（移动）。制造商或进口代理在法律上有义务在欧共体内部流通或销售的产品上显示CE标志，以表明符合适用于该产品的欧共体指令的要求。每个EC指令涵盖一定范围的设备；FA-M3必须符合EMC指令（2004/108/EC）和低压指令（2006/95/EC）。每个指令仅描述了基本要求；在设备上显示CE标志之前，设备制造商需要测试设备是否符合适用于设备的指令。标准结构图A3.36显示了CE标记标准结构的概念图。EMC指令（1）EMC指令的要求EMC指令适用于可能发出电磁干扰的设备或可能被电磁干扰损坏的设备。EMC指令要求设备发出的电磁干扰不超过可容忍的水平，并且设备对电磁干扰保持最低的抗扰度。本节总结了确保FA-M3符合EMC指令的注意事项。但是，安装制造商需要测试并确认包含FA-M3的成品是否符合EMC指令。
Calculating Power Consumption
Although the maximum power consumption is shown in item (1) "Common Specifications" in Section A2.1, “Specifications,” it actually differs depending on the number and types of modules installed. Calculate the power consumption according to the formulae shown below after reading Section A2.9, “Module Current Consumption Tables.”To estimate the temperature increase within the panel enclosure, you need to calculate the total power consumed within the panel enclosure. To do so, you need to add to the power consumption of the power supply module described above, the external power supplied to I/O modules of the FA-M3, as well as the power consumption of peripheral equipment installed within the panel enclosure. Some examples for calculation of external power supplied to I/O modules of the FA-M3 are given below. Example 1: Assume that all points of the F3XD32-3F are ON. Rated current input per point is 4.1 mA, so power consumption at the module is: 4.1 [mA] x 24 [V] x 32 [points] = 3148.8 [mW] = 3.15 [W] Example 2: Assume that 30 points of the F3YD64-1F are ON with a load current of 0.1 A. For this module, power loss at the output transistors must be considered. The ON voltage is 0.5 V max. and the load current per transistor is 0.1 A, so power loss at transistors is: 0.5 [V] x 0.1 [A] x 30 [points] = 1.50 [W] The external power supply is 24 V/150 mA, so power consumption at external loads is: 24 [V] x 150 [mA] = 3600 [mW] = 3.60 [W]
CE Marking Conformance
About CE Marking CE Marking aims to integrate the safety regulations existing in countries within the EC community and ensure free circulation (movement) of products guaranteed to be safe. A manufacturer or importing agent is legally obligated to display a CE mark on a product circulated or marketed within the EC community showing conformity to the requirements of EC directives that are applicable to the product. Each EC directive covers a certain range of equipment; the FA-M3 is required to conform to the EMC directive (2004/108/EC) and the Low Voltage directive (2006/95/EC). Each directive describes only the essential requirements; an equipment manufacturer is required to test the conformance of equipment to directives applicable to the equipment before displaying the CE Mark on the equipment. Standards Structure Figure A3.36 shows a conceptual diagram of the CE Marking standards structure.
EMC Directive (1) Requirements of EMC Directive The EMC directive applies to equipment that may emit electromagnetic disturbances or equipment that may be damaged by electromagnetic disturbances. The EMC directive requires that the electromagnetic disturbances emitted by equipment to not exceed a tolerable level, and that equipment maintains a minimum level of immunity to electromagnetic disturbances. This section summarizes the considerations to ensure that the FA-M3 conforms to the EMC directive. However, the installation manufacturer needs to test and confirm the conformity to the EMC directive of the finished product incorporating the FA-M3.
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