SMC  D-M9PL 传感器,开关和继电器传感器霍尔效应传感器

SMC D-M9PL 传感器,开关和继电器传感器霍尔效应传感器-产品快照

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SMC
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D-M9PL

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SMC(中国)有限公司 020-28397668
苏州中贸自动化控制系统有限公司 0512-65586985
安徽力驰工业设备有限公司
欧时电子元件(上海)有限公司
上海乾拓贸易有限公司
福建菱瑞智能科技有限公司 0591-88688288 气动、传感器等自动化元器件,集科工贸于一体的系统集成商。
北京东方华康自动化设备有限公司 010-51312043 气动元件、液压元件、工业控制系统开发
福州欧迅自动化设备有限公司 0591-86210996
上海领振实业有限公司 021-51699285
上海加凯略自动化设备有限公司 021-67962100
上海伊歌自动化设备有限公司 021-63638648
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深圳市欣美驰机电设备有限公司 0755-26868576
深圳市思铭诚科技发展有限公司 0755-23981898
必迪艾(天津)轴承有限公司 022-25324166

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产品介绍

SMC D-M9PL 传感器,开关和继电器传感器霍尔效应传感器

SMC Corporation D-M9PL

SMC Corporation Sensors >>

SENSOR, PNEUMATIC, NCQ2 CYLINDER, 4.5-28VDC POWER, 80MA PNP OUT Overview One type of proximity switch is an enclosed reed switch that is activated by a permanent magnet mounted to the piston. As the piston approaches, the magnetic field closes the switch, completing an electric circuit and producing an electric signal. Others prefer to use Hall-effect (Solid-State) sensors in combination with a piston-mounted magnet. The main difference between these two devices is that a reed switch is a mechanical device, while a Hall-effect (Solid-State) switch is electronic, with no moving parts to wear out. Reed switches have the advantage of operating on AC or DC current; Hall-effect (Solid-State) switches are limited to DC only. Also, reed switches are about half the price of their electronic counterpart, although the price differential is decreasing. On the other hand, Hall-effect (Solid-State) devices react much faster than reed switches, on the order of 100,000 versus 500 Hz. It is a waste of money to install microprocessor-based logic, and then be hampered by a slow switch. Overall, the trend seems to be towards these solid-state devices. Both switches have a repeatability of 0.005" or less. But often rod velocity, not switch accuracy, determines the overall repeatability of rod position. Because air is a compressible fluid, precise positioning of the cylinder rod -- especially in midstroke -- is difficult, regardless of the switch used. In many applications, even if the switch is very fast and accurate, getting the valves to react fast enough may be the real problem. In such cases, mounting fast-acting valves as close to the cylinder as possible is important. This eliminates excess compressible air in the lines between cylinder and flow control, giving more precise control. Note: Switch mounting hardware sold separately.

Body Style : Rectangular Connector Type : Grommet For Use With : CG1, CJ2, CM2, CQ2, MGP, MH, MX, NCA1, NCQ2 Leads : 3.0 m Mounting Type : Direct Output : PNP Output Type : PNP Primary Type : Hall Effect Sensor Voltage, Supply : 4.5-28 VDC

Sensors, Switches & Relays Sensors Hall Effect Sensors

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