6ES7214-1AG40-0XB0扩展模块
单独命名并独立地完成功能的程序语句的集合(即程序代码和数据结构的集合体)。它具有两个基本的特征:外部特征和内部特征。外部特征是指模块跟外部环境联系的接口(即其他模块或程序调用该模块的方式,包括有输入输出参数、引用的全局变量)和模块的功能;内部特征是指模块的内部环境具有的特点(即该模块的局部数据和程序代码)。
6ES7214-1AG40-0XB0扩展模块
输入电压范围:即UPS允许市电电压的变化范围,因为当地的电压波动情况直接影响UPS的运行,特别是有些地区电网比较恶劣,白天和晚上的电压相差很大。如果UPS 要24小时工作,在如此大的变化范围里,UPS能否工作至关重要。如不能工作,只有转电池,这样一则电池并没有用于真正的断电,二则频繁转电池会影响电池的寿命。如果该UPS的转电池装置为继电器,则对继电器的损坏特别严重,大大增加了UPS的故障率。
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6ES7214-1AG40-0XB0扩展模块
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Matrox Mga-myst / M0d2 618-02 PCI 2MB Sgram Tarjeta Gráfica
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Matrox Millenium II 4MB Mil2p / 4i 708-04 PCI VGA
Matrox Millenium II 4MB Mil2p/4i 708-04 PCI VGA
Matrox Millenium II 4MB Mil2p/4i 708-04 PCI VGA
MATROX MILLENIUM II 4MB MIL2P/4I 708-04 PCI VGA
Matrox Millenium II 4MB Mil2p/4i 708-04 PCI VGA
MATROX MILLENIUM II 4MB MIL2P/4I 708-04 PCI VGA
Matrox Millenium II 4MB Mil2p/4i 708-04 PCI VGA
Matrox Millenium II 4MB Mil2p/4i 708-04 PCI VGA
MATROX MILLENIUM II 4MB MIL2P/4I 708-04 PCI VGA
Matrox Millenium II 4MB Mil2p/4i 708-04 PCI VGA
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Matrox MXO2 LE Video Encoder and maxtor ExpressCard/34 Host Card
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Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Dp Scheda Grafica G32
Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Minidp Carte Graphique G32
Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Minidp Carte Graphique G32
MATROX QUADHEAD M9148-E1024LAF 1024 MB PCIe x16 mDP miniDP GRAFIKKARTE G32
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MATROX QUADHEAD M9148-E1024LAF 1024 MB PCIe x16 mDP miniDP GRAFIKKARTE G32
Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Minidp Graphic Card G32
Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Minidp Graphic Card G32
Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Minidp Graphic Card G32
Matrox Quadhead M9148-E1024LAF 1024 MB Pcie x16 Mdp Minidp Graphic Card G32