隔离开关

Magnetic switch is employed as the separator between the main circuit and trigger circuit, and it works well though a saturable inductor is introduced.

用磁开关作为主电路和触发电路间的隔离器能得到较好的测试结果，但也引入了饱和电感这一不利因素。

SII9030CTU Pinout: International standard packages JEDEC TO-264 AA, epoxy meet UL 94 V-0, flammability classification miniBLOC, with Aluminium nitride isolation Low RDS HDMOSTM process Rugged polysilicon gate cell structure Unclamped Inductive Switching rated Low package inductance Fast intrinsic Rectifier

SII9030CTU引脚说明：封装符合JEDEC国际标准的TO - 264机管局，环氧树脂符合UL 94 V - 0级，易燃性分类miniBLOC，与氮化铝隔离低的RDSHDMOSTM过程中细胞结构坚固的多晶硅栅极钳位感应开关的额定低封装电感快速内在整流器

Only the withdrawable circuit-breaker part locate on test/disconnected position, grounding switch operation is permitted.

仅当手车处于试验/隔离位置时，接地开关才能操作。

Slowly insert the withdrawable part from the test/disconnected position towards the service position until auxiliary switch (S8) just operates.

慢慢使手车从试验/隔离位置向工作位置移动直到试验位置辅助开关刚切换

The switching power supplied insolated DC power to IPM, DSP control circuits,sensor and cooling fans.

开关电源输出隔离的电源分别给IPM的驱动电路、DSP控制电路、传感器以及冷却风扇供电。

The system adopts CPU board with fast processing elevator operational program, data signal exchange, and HMI screen, which can make sure reliable operation and high speed. It also has PHILIPS SJA1000T field CAN bus, 82C251 Bus interface and the latest serial storage technique to record data. The functions of external watchdog and control chip internal watchdog compose two-level procedure monitoring, so as to ensure the normal operation of the control program. Heavy-current switch power LM2576 ensures the stable system working power, which has low requirements for the power supply. High-speed optoelectronic isolator and internal frequency division technology can make NW3P08-41C (42C) CPU receive the input impulse up to 1-phase 100 KHZ*2 CHANEL or 2-phase 50KHZ*1 CHANEL 32bit.

系统采用原装中央处理板，具有快速的处理电梯运行程序、数据信号交换、显示屏人机界面；确保可靠运行电梯控制程序；且速度快，PHILIPS 公司 SJA1000T 现场 CAN 总线；以及 82C251BUS 接口，最新串行存贮技术记录数据；外部看门狗及控制芯片内部看门狗功能组成两级程序监视，确保控制程序正常运行；大电流开关电源 LM2576 确保系统工作电源稳定，且对供电电源要求低；高速光电隔离光藕及微机内部分频技术，使 NW3P08-41C(42C)中央处理板可接收高达 1 相 100KHZ*2通道或 2 相 50KHZ*1通道，32bit 的计数脉冲。

We provide you with the following high-quality components, you need to improve the reliability of the equipment: signal isolation / transmitter, relay / optocoupler, lightning / surge protector, switching power supply, with a total Line interface, filter / anti-modules, industrial connectors, sensor / actuator interface module, printed circuit board connector, on-site joint boxes, terminals, the button / indicator light, control / Bus cables and other products.

我们为您提供下述的高品质元器件，以提升您所需设备的高可靠性：信号隔离/变送器、继电器/光电耦合器、防雷/浪涌保护器、开关电源、总线接口、滤波器/抗干扰模块、工业用接插件、传感器/执行器接口单元、印刷电路板接插件、现场接线箱、接线端子、按扭/指示灯、控制/总线电缆等产品。

In low voltage threephase AC circuits, the breakers, starters and knifeblade fuses with different number of poles were used for electrical isolation, shortcircuit, overload and groundfault protection.

在低压交流三相线路中，往往需要根据负荷情况或线路的保护要求设置不同极数的断路器、起动器或刀熔开关，以用作线路的电气隔离、短路保护、过负荷保护、接地故障保护、防电击。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。