ABSOLUTE API4380-G接受DC电压或电流输入

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API 4380 G接受DC电压或电流输入，并提供光学隔离的DC电压或电流输出与输入成线性关系。典型应用包括信号隔离、信号转换、信号增强或其组合三者之中。输入和输出之间的光学隔离使得这一点用于消除接地环路的模块，共模信号抑制和噪声拾取减少。该模块电源被离，从而形成全3路(输入，输出，电源)隔离。API 4380 G输入和输出可通过以下方式进行现场配置外部旋转和滑动开关。常见的范围设置有在模块标签上。最常见的范围是内置的，可以从模块上的表格中选择，但是虚拟地无限的组合是可能的。向工厂咨询特殊范围的协助。内置18 VDC未调节回路励磁电源可用于为无源输入设备供电。

信号调理器的功能

信号转换

信号调理器的主要功能是接收信号并将其转换成更高电平的电信号。信号转换通常用于使用多种传感器进行测量的工业应用。由于使用的传感器不同，因此需要转换为所连接设备能使用的信号，都需要能被转换成标准过程信号。

线性化

当传感器产生的信号与物理量没有线性关系时，某些信号调理器可以实现线性化。这是一个软件解释信号的过程，例如热偶信号。由于每个传感器都不可能是完全线性的，所以这种方法可以用来实现更高精度。在传感器标定以过程及校准协议中，需要对线性化参数进行评估。

放大

下一步是信号放大和处理或数字化信号的过程。信号放大的方法有两种：增加输入信号的分辨率，或者提高信噪比。

信号调理采用不同目的多种不同放大器，为提高精度，最好使用直流信号，具有高输入阻抗、高共模抑制比（CMRR），高增益等特性。另外就是采用隔离放大器，一般是在通过小的交流或差分信号时，采用设备的隔离高直流电平。

滤波

信号调理器的另一个重要功能是滤波，其对信号频谱进行滤波，只保留有效数据并防止噪声。滤波可以采用无源和有源部件或是数字算法。无源滤波只使用电容、电阻和电感器，其最大增益为1。有源滤波除了运算放大器和晶体管等有源元件外，还使用无源元件。最先进的信号调理器采用数字滤波，因为它们易于调整，且不需要硬件。数字滤波器是一种用来处理信号的数学滤波器，例如阻断或通过特定的频率。他们使用的逻辑元件包括ASIC、FPGAs或一个信号处理顺序程序。

评估和智能功能

除了以上功能外，现代信号调理器还带有信号评估和测量数据预处理等额外功能。这有助于通过电开关输出快速监视和评估并警报。额外的智能功能，如内部计算通道带有数学处理功能，PID控制器等。这些功能有助于获得快速反应系统，减少机器控制负荷。

接口

信号转换器必须通过标准接口和协议来传输传感器信号和机器控制。这些接口可以是模拟的，也可以是数字的。常见的模拟接口包括电压（±10V）或电流信号（+/-20mA），但每一个信号都需要单独布线。现代数字接口被设计为基于总线的以太网接口（PROFINET，Ethercat，以太网/IP），通过一根线就可以连接多个部件。这不仅减少了布线，还可以传输额外的信息，如组件的诊断信息等。这对于减少宕机时间和快速维护非常重要。

通过插PLC模块对用户现有的特定模块进行扩展

离线模拟

针对用户特定PLC节点开发的工具套件

支持用户特定的部件

通过链接用户特定的C程序可以进一步利用现有的软件

SYS控制部件的可调加上OpenPCS了使用范围的广泛。充分利用大量和灵活的多样化产品是您任务的绝好解决方案！

作为编程设备适合用于IBM兼容的Host-PC。软件本身用在MS-Windows 9x/ME/NT4.0之上。

三、PLC Chip164

遵从IEC61131-3的PLC Chip164是一个能在DIP40封装上的微型PLC的网络。

通过采用遵从IEC1131的编程系统OpenPCS，编程在KOP/FUB上是图形化的、在AWL或ST上是文本的。集成CApen功能是用作智能、分散的控制节点的条件。PLC Chip164适合于输入/输出的混合连接以及顺序事件程序的实现。典型的领域是以少量的输入和输出控制任务、用作智能网络节点分散处理进程信号、作为特别模块的基本部件和用作硬件访问区的PLC。

ABSOLUTE API4380-G接受DC电压或电流输入

The API 4380 G accepts a DC voltage or current input and provides an optically isolated DC voltage or current output that is linear to the input. Typical applications include signal isolation, signal conversion, signal enhancement, or a combination thereof. The optical isolation between input and output allows this to be used to eliminate grounding loops in modules, common mode signal suppression and noise pickup reduction. The module power supply is separated to form a full 3-way (input, output, power) isolation. API 4380 G Inputs and outputs External rotary and slide switches can be configured in the field in the following ways. Common range Settings are found on the module label. The most common ranges are built-in and can be selected from a table on the module, but virtually unlimited combinations are possible. Consult the factory for specific areas of assistance. The built-in 18 VDC unregulated loop excitation power supply can be used to power passive input devices.

Function of signal conditioner

Signal conversion

The main function of the signal conditioner is to receive the signal and convert it into a higher electrical signal. Signal conversion is commonly used in industrial applications that use multiple sensors for measurement. Because of the different sensors used, the signals that need to be converted into signals that can be used by the connected device need to be converted into standard process signals.

linearization

When the signal generated by the sensor has no linear relationship to the physical quantity, some signal conditioners can achieve linearization. This is a process in which software interprets signals, such as thermocouple signals. Since every sensor can never be completely linear, this method can be used to achieve higher accuracy. In the process of sensor calibration and calibration protocol, it is necessary to evaluate the linearization parameters.

Blow up

The next step is signal amplification and the process of processing or digitizing the signal. There are two ways to amplify a signal: increase the resolution of the input signal, or increase the signal-to-noise ratio.

Signal conditioning uses a variety of different amplifiers for different purposes, in order to improve accuracy, it is best to use DC signals, with high input impedance, high common mode rejection ratio (CMRR), high gain and other characteristics. The other is the use of isolation amplifiers, generally through small AC or differential signals, using the device's isolated high DC level.

filtering

Another important function of a signal conditioner is filtering, which filters the signal spectrum to retain only valid data and prevent noise. Filtering can use passive and active components or digital algorithms. Passive filtering uses only capacitors, resistors and inductors, and its maximum gain is 1. Active filtering uses passive components in addition to active components such as operational amplifiers and transistors. The most advanced signal conditioners use digital filtering because they are easy to adjust and do not require hardware. A digital filter is a mathematical filter used to process signals, such as blocking or passing through a specific frequency. The logic elements they use include ASics, FPGAs, or a signal processing sequence program.

Evaluation and intelligent features

In addition to the above functions, modern signal conditioners come with additional functions such as signal evaluation and measurement data preprocessing. This facilitates rapid monitoring and assessment and alerts via the electrical switch output. Additional intelligent features such as internal computing channels with mathematical processing functions, PID controllers, etc. These features help to obtain a fast response system and reduce the machine control load.

port

Signal converters must transmit sensor signals and machine controls through standard interfaces and protocols. These interfaces can be analog or digital. Common analog interfaces include voltage (±10V) or current signals (+/-20mA), but each signal requires separate wiring. Modern digital interfaces are designed as bus-based Ethernet interfaces (PROFINET, Ethercat, Ethernet /IP), allowing multiple components to be connected via a single wire. This not only reduces wiring, but can also transmit additional information, such as diagnostic information for components. This is important for reduced downtime and quick maintenance.

By inserting PLC module to extend the user's existing specific module

Off-line simulation

A suite of tools developed for user-specific PLC nodes

Support for user-specific parts

Existing software can be further exploited by linking to user-specific C programs

The adjustable SYS control components combined with OpenPCS provide a wide range of applications. Making the most of a large and flexible variety of products is the perfect solution for your task!

Suitable as a programming device for IBM compatible Host-PC. The software itself is used on top of MS-Windows 9x/ME/NT4.0.

Three, PLC Chip164

IEC61131-3 compliant PLC Chip164 is a network of micro-PLCs that can be packaged in DIP40.

With OpenPCS, an IEC1131-compliant programming system, programming is graphical on KOP/FUB and textual on AWL or ST. Integrated CApen functionality is a condition for being used as an intelligent, decentralized control node. PLC Chip164 is suitable for hybrid input/output connection and sequential event program implementation. Typical areas are the small number of input and output control tasks, the use of intelligent network nodes for decentralized processing of process signals, the basic components of special modules, and the use of PLCS as hardware access areas.

ABSOLUTE API4380-G接受DC电压或电流输入

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