PR6423/002-131CON041轴振

PR6423/002-131 CON041 轴振传感器

PR6423/002-131 CON041 轴振传感器

                                                      产品详情资料：

1.CPU模块
CPU模块主要由微处理器(CPU芯片)和存储器组成。在PLC控制系统中，工厂CPU模块相当于人脑。它不断地收集输入信号，执行用户程序，并刷新系统的输出；内存用于存储程序和数据。
2.输入输出模块
输入模块和输出模块简称为I/O模块。它们是系统的眼睛、耳朵、手和脚，是外部现场设备和CPU模块之间的桥梁。
输入模块用于接收和采集输入信号，开关输入模块用于接收从按钮；来自选择开关、数字拨盘开关、限位开关、接近开关、光电开关、压力继电器等的开关输入信号；模拟输入模块用于接收电位器、测速发电机和变送器提供的不断变化的模拟电流和电压信号。
开关量输出模块用于控制接触器、电磁阀、电磁铁、指示灯、数显装置、报警装置等输出设备，模拟量输出模块用于控制调节阀、变频器等执行机构。
CPU模块的工作电压一般为5V，而PLC的输入/输出信号电压一般较高，如DC 24V，AC 220V。从外部引入的尖峰电压和干扰噪声可能会损坏CPU模块中的组件或使PLC无法正常工作。在I/O模块中，采用光耦、光电晶闸管、小继电器等器件隔离PLC内部电路和外部I/O电路。I/O模块除了传输信号外，还具有电平转换和隔离的功能。
3.节目编排者
编程器用于生成用户程序，并使用它来编辑、检查、修改和监控用户程序的执行。手持编程器不能直接输入和编辑梯形图，只能输入和编辑指令表程序，所以也叫指令编程器。它体积小，价格便宜。一般用于小型PLC编程或现场调试维护。
利用编程软件可以在计算机屏幕上直接生成和编辑梯形图、指令表、功能框图和顺序功能图程序，并实现不同编程语言的相互转换。程序编译完成后，可以到PLC中，也可以将PLC中的程序上传到计算机中。该程序可保存或打印，并可编程和通过网络远程传输。
4.电源
PLC一般采用220V交流电源或24V DC电源。内部开关电源为各模块提供DC 5V、12V、24V等DC电源。小型PLC一般可以为输入电路和外部电子传感器(如接近开关)提供24V DC电源，驱动PLC负载的DC电源一般由用户提供。

                         产品英文详情资料：

1. CPU module

The CPU module mainly consists of a microprocessor (CPU chip) and memory. In a PLC control system, the factory CPU module is equivalent to a human brain. It continuously collects input signals, executes user programs, and refreshes the system's output; Memory is used to store programs and data.

2. Input output module

The input module and output module are abbreviated as I/O modules. They are the eyes, ears, hands, and feet of the system, serving as a bridge between external field devices and CPU modules.

The input module is used to receive and collect input signals, and the switch input module is used to receive slave buttons; Switch input signals from selector switches, digital dial switches, limit switches, proximity switches, photoelectric switches, pressure relays, etc; The analog input module is used to receive the constantly changing analog current and voltage signals provided by the potentiometer, tachogenerator and various transmitters.

The switch output module is used to control output devices such as contactors, solenoid valves, electromagnets, indicator lights, digital display devices, alarm devices, etc., while the analog output module is used to control actuator mechanisms such as regulating valves and frequency converters.

The working voltage of the CPU module is generally 5V, while the input/output signal voltage of the PLC is generally higher, such as DC 24V and AC 220V. The spike voltage and interference noise introduced from outside may damage the components in the CPU module or prevent the PLC from working properly. In the I/O module, devices such as optocouplers, optoelectronic thyristors, and small relays are used to isolate the internal and external I/O circuits of the PLC. In addition to transmitting signals, I/O modules also have functions of level conversion and isolation.

3. Program arranger

Prgrammers are used to generate user programs and use them to edit, inspect, modify, and monitor the execution of user programs. A handheld programmer cannot directly input and edit ladder diagrams, but can only input and edit instruction table programs, so it is also called an instruction programmer. It is small in size and cheap in price. Generally used for small-scale PLC programming or on-site debugging and maintenance.

Programming software can directly generate and edit ladder diagrams, instruction lists, functional block diagrams, and sequential function diagram programs on the computer screen, and achieve mutual conversion between different programming languages. After the program is compiled, it can be uploaded to the PLC or uploaded to the computer. This program can be saved or printed, and can be programmed and transmitted remotely through the network.

4. Power supply

PLC generally uses 220V AC power supply or 24V DC power supply. The internal switch power supply provides DC 5V, 12V, 24V and other DC power supplies for each module. Small PLCs can generally provide 24V DC power for input circuits and external electronic sensors (such as proximity switches), and the DC power to drive PLC loads is generally provided by the user.

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