140CPU31110模块是施耐德电气制造的处理器模块，它是为高性能而设计的，具有多种通信选项。
可编程序控制器（ProgrammableController）原本应简称PC，为了与个人计算机专称PC相区别，所以可编程序控制器简称定为PLC（ProgrammableLogicController），但并非说PLC只能控制逻辑信号。PLC是专门针对工业环境应用设计的，自带直观、简单并易于掌握编程语言环境的工业现场控制装置。
它采用一种可编程的存储器，在其内部存储程序，执行逻辑运算、顺序控制、定时、计数和算术运算等操作，并通过数字或模拟输入/输出控制各种类型的机械或生产过程。
可编程逻辑控制器（PLC）的用途有：
顺序控制：PLC取代了传统的继电器顺序控制，被广泛应用于注塑机、印刷机械、订书机械、切纸机等。
过程控制：主要对温度、压力、流量等模拟量的闭环控制。
数据处理：PLC具有数学运算、数据传送、数据转换、排序、查表、位操作等功能，可以完成数据的采集、分析及处理。
通信及联网：PLC通信含PLC间的通信及PLC与其它智能设备间的通信。
140CPU31110
The 140CPU31110 module is a processor module manufactured by Schneider Electric that is designed for high performance with a variety of communication options.
Programmable controller (ProgrammableController) originally should be referred to as the PC, personal computer designed according to the PC in order to distinguish, so referred to as PLC programmable controller (ProgrammableLogicController), but is not to say that PLC can only control logic signal. PLC is specifically designed for industrial environment applications, with intuitive, simple and easy to master the programming language environment of the industrial field control device.
It uses a programmable memory in which it stores programs, performs operations such as logical operations, sequence control, timing, counting, and arithmetic operations, and controls various types of machinery or production processes through digital or analog inputs/outputs.
Programmable logic controllers (PLCS) are used for:
Sequence control: PLC replaces the traditional relay sequence control, and is widely used in injection molding machines, printing machinery, stapler machines, paper cutting machines, etc.
Process control: The main closed-loop control of temperature, pressure, flow and other analog quantities.
Data processing: PLC has mathematical operation, data transmission, data conversion, sorting, table lookup, bit operation and other functions, can complete the data collection, analysis and processing.
Communication and networking: PLC communication includes communication between PLC and communication between PLC and other intelligent devices.
140CPU31110
| A-B | 1756-IB32 | A-B | 20-HIM-A6 | A-B | 1794-IB16 |
| A-B | 1756-IB32 | A-B | 2098-DSD-020X | A-B | 1794-ASB |
| A-B | 1769-L30ER | A-B | 1769-L33ER | A-B | 1747-L541 |
| A-B | 1762-L24BWA | A-B | 1794-AENT | A-B | 22B-D010N104 |
| A-B | 1756-OF8 | A-B | 1794-IE12 | A-B | 1756-PA72电源模块 |
| A-B | 2080-LC50-24QBB | A-B | 1794-OE12 | A-B | 1756-OF8模拟量模块 |
| A-B | 1769-L33ER | A-B | 1794-OB32P | A-B | 1756-IF16模拟量模块 |
| A-B | 1756-RM2 | A-B | 1794-IB32 | A-B | 1756-IB16数字量模块 |
| A-B | 1756-EN2TR | A-B | 1769-ECR . | A-B | 1756-EN2T通讯模块 |
| A-B | 1756-IB32 | A-B | 1769-L36ERMA | A-B | 1756-A7机架 |
| A-B | 1756-OB32 | A-B | 1756-IF16 | A-B | 1786-RPA/B |
| A-B | 1756-IF16 | A-B | 1756-IB32 | A-B | 1756-RM2 |
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