3BSE050090R20 张力传感器
安全说明
安全说明在开始任何工作之前，阅读并遵循本节中给出的安全说明。然而，如果地方法规更严格，则应优先考虑。张力测量系统不包含运动部件。然而，称重传感器安装在卷筒纸运行的旋转辊附近。.1人员安全警告当生产线运行时，切勿在称重传感器或附近工作。开始任何工作前，关闭并锁定测量辊驱动部分的操作开关。危险在对张力电子设备进行任何工作之前，关闭并锁定张力电子设备的电源操作开关。工作完成后，检查电线是否松动，所有装置是否正确固定。注：所有从事安装工作的人员必须了解测量系统的主电源开关的位置及其操作方式。.2设备安全注意事项更换装置前，务必关闭测量系统的电源电压。小心小心操作电子装置，以降低静电放电（ESD）造成损坏的风险。注意电路板上的警告标签。张力电子产品PFEA111/112，用户手册第1章简介1-4 3BSE029380R0001 1.5基于压力传感器的测量技术 技术力传感器的工作原理对其性能有很大影响。
刚性和无振动程度
它还影响整个称重传感器的刚性和无振动程度，以及其坚固性和过载耐受性。所有这些因素都会影响卷筒纸加工机械的设计、操作和维护。ABB的Pressductor®传感器技术在称重传感器受到机械力时，由于电磁场的变化而产生信号。这是一种工作原理，起源于一种冶金现象，根据这种现象，机械力改变了某些钢传递磁场的能力。与其他类型的称重传感器技术不同，信号产生不需要物理运动，如压缩、弯曲或拉伸。Pressductor®传感器（称重传感器内的传感器）是一种简单而优雅的设计。本质上，围绕钢芯的两个垂直铜线绕组结合起来提供测量信号。通过向其中一个绕组连续馈送交流电来产生电磁场。磁场的定位方式应确保，由于绕组彼此成直角，因此当称重传感器未受应力时，绕组之间不存在磁耦合。然而，当换能器受到力时，如图所示，磁场模式发生变化。磁场的一部分与第二绕组耦合，并感应出AC电压，该AC电压反映了幅材施加在测量辊上的张力。该电压-一个相对较强的传感器信号-由称重传感器系统的张力电子设备转换为系统输出。
Safety instructions
Safety Instructions Before starting any work, read and follow the safety instructions given in this section. However, if local regulations are stricter, priority should be given. The tension measuring system does not contain moving parts. However, the load cell is installed near the rotary roll where the web is running 1 Personnel safety warning When the production line is running, do not work in or near the load cell. Before starting any work, turn off and lock the operating switch of the driving part of the measuring roll. DANGERBefore doing any work on the tension electronics, turn off and lock the power operated switch of the tension electronics. After the work is completed, check whether the wires are loose and whether all devices are properly fixed. Note: All personnel engaged in installation must know the position and operation mode of the main power switch of the measuring system 2 Equipment safety precautions Before replacing the device, be sure to turn off the power supply voltage of the measuring system. Handle electronic devices carefully to reduce the risk of damage caused by electrostatic discharge (ESD). Pay attention to the warning label on the circuit board. Tension electronic product PFEA111/112, introduction in Chapter 1 of the user manual 1-4 3BSE029380R0001 1.5 Measurement technology based on pressure sensor; technology The working principle of the force sensor has a great impact on its performance.
Stiffness and vibration free degree
It also affects the stiffness and vibration free degree of the entire load cell, as well as its robustness and overload tolerance. All these factors will affect the design, operation and maintenance of web paper processing machinery. ABB Pressconductor ® Sensor technology generates signals due to the change of electromagnetic field when the weighing sensor is subjected to mechanical force. This is a kind of working principle, which originates from a metallurgical phenomenon. According to this phenomenon, mechanical force changes the ability of some steels to transmit magnetic fields. Unlike other types of load cell technologies, signal generation does not require physical motion, such as compression, bending, or stretching. Pressductor ® The sensor (the sensor inside the load cell) is a simple and elegant design. In essence, two vertical copper wire windings around the steel core are combined to provide a measurement signal. Electromagnetic fields are generated by continuously feeding alternating current to one of the windings. The magnetic fields shall be positioned in such a way that there is no magnetic coupling between the windings when the load cells are not stressed because the windings are at right angles to each other. However, when the transducer is stressed, as shown in the figure, the magnetic field pattern changes. A part of the magnetic field is coupled with the second winding and an AC voltage is induced, which reflects the tension exerted by the web on the measuring roll. This voltage - a relatively strong sensor signal - is converted from the tension electronics of the load cell system to the system output.
