描述
SCXI-1125 NI 模块
描述
品牌：NI
型号:SCXI-1125
产地:USA
质保:一年
联系方式:15383419322
邮箱:2970592941@qq.com
存储器分为系统程序存储器和用户程序存储器，系统程序相当于个人计算机中的操作系统，它使PLC具有基本的智能，能完成PLC设计者的规定的各种工作。系统程序由PLC的生厂家设计并固定化在ROM（只读存储器）中，用户不能读取。用户程序由用户设计，它使PLC能完成用户要球的特定功能，用户程序存储器的容量以字节（B）为单位。
（1）.随机存取存储器（RAM）
用户可以用编程装置读出RAM中的内容，也可以将用户程序写入RAM，因此RAM又叫读/写存储器。RAM的工作速度高、价格便宜、改写方便。
（2）.只读存储器（ROM）
ROM的内容只能读出，不能写入。
（3）.可以电檫出可编程的只读存储器（EEPROM）
S7-200用EEPROM来存储用户程序和长期保存的重要数据。
Our company’s main business:
Bentley, Invensys TRICONEX, Woodward, FOXBORO, WESTINGHOUSE, Ryan, Schneider, Modicom, ABB, AB, Motorola, GE Fanuc, YASKAWA Yaskawa, Bosch REXROIH, ACSO, YOKOGAWA, Dark Horse HIMA, EMERSON EMERSON, YOKOGAWA YOKOGAWA, Honeywell, Moore Moore, EPRO, ICS TRIPLEX, bachmann Bachmann and other major brands === = mainly do PLC DCS robot servo four systems of the discontinued spare parts module card parts driver
Our products are widely used in CNC machinery, metallurgy, petroleum and natural gas, petrochemical, chemical, paper printing, textile printing, machinery, electronic manufacturing, automobile manufacturing, tobacco, plastic machinery, electric power, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, transmission and distribution industry.
person: Manager Cao Telephone: 15383419322 (Same number on WeChat) QQ number: 2970592941
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