PLC模块140AVI03000模拟量模块

PLC模块140AVI03000模拟量模块

产品详情资料

140AVI03000模拟量输入

磁致伸缩位移传感器是根据磁致伸缩原理制造的精度、长行程位置测量的位移传感器。它采用非接触的测量方式，由于测量用的活动磁环和传感器自身并无直接接触，不至于被摩擦、磨损，因而其使用寿命长、环境适应能力强，可靠性，性好，便于系统自动化工作，即使在恶劣的工业环境下，也能正常工作。此外，它还能承受温、压和强振动，现已被应用于机械位移的测量、控制中

140I03000限位开关
大、中型plc(如西门子的s7-300和s7-400系列)一般采用模块式结构。模块式plc用搭积木的方式组成系统，它由机架和模块组成(见图2-2)。模块插在模块插座上，后者焊在机架的总线连接板上，有的厂家将机架称为基板。plc厂家备有不同槽数的机架供用户选用，如果一个机架容纳不下所选用的模块，可以增设一个或数个扩展机架，各机架之间用i/o扩展电缆相连，有的plc需要通过接口模块来连接各机架。
用户可以选用不同档次的cpu模块、品种繁多的i／o模块和特殊功能模块，对硬件配置的选择余地较大，维修时更换模块也很方便。
有的模块式plc(如西门子的s7-300系列plc)没有机架，各模块安  装在铝质导轨上，相邻的模块之间用模块下面的u形总线连接器连接。

英文产品详细信息

140AVI03000 analog input

Magnetostrictive displacement sensor is a displacement sensor manufactured based on the principle of magnetostriction, which measures the precision and long stroke position. It adopts a non-contact measurement method. Since the active magnetic ring used for measurement does not have direct contact with the sensor itself, it is not subject to friction or wear. Therefore, its service life is long, its environmental adaptability is strong, its reliability and safety are good, and it is convenient for system automation work. Even in harsh industrial environments, it can work normally. In addition, it can withstand temperature, pressure, and strong vibration, and has been applied in the measurement and control of mechanical displacement

140I03000 limit switch

Large and medium-sized PLCs (such as Siemens' s7-300 and s7-400 series) generally adopt modular structures. Modular PLC is composed of a frame and modules by building blocks to form a system (see Figure 2-2). The module is inserted into the module socket, and the latter is welded to the bus connection board of the rack. Some manufacturers refer to the rack as a substrate. PLC manufacturers provide racks with different slots for users to choose from. If one rack cannot accommodate the selected module, one or more expansion racks can be added, and each rack is connected by I/O expansion cables. Some PLCs require interface modules to connect each rack.

Users can choose from different grades of CPU modules, a wide variety of I/O modules, and special function modules, with a wide range of options for hardware configuration. It is also convenient to replace modules during maintenance.

Some modular PLCs (such as Siemens' s7-300 series PLCs) do not have a rack, and each module is installed on an aluminum guide rail. Adjacent modules are connected using a U-shaped bus connector below the module.

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