DS200TCQEP1ABB GE 欢迎询价 价格美丽

1756-L83E
6DM1001-0WB00-2
21508-02-12-10-02
6BK1700-2BA00-0AA0
6DR5010-0NG00-0AA0
AP-2M100B1C1
P50B08100DCVT2
DC10-40P0-0000
3625
4351B
4211

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描述

PLC最主要的目的是控制外部系统。这个系统可能是单个机器,机群或一个生产过程。不同型号的PLC有不同的适用范围。根据生产工艺要求,分析被控对象的复杂程度,进行I/O点数和I/O点的类型(数字量、模拟量等)统计,列出清单。适当进行内存容量的估计,确定适当的留有余量而不浪费资源的机型(小、中、大形机器)。并且结合市场情况,考察PLC生产厂家的产品及其售后服务、技术支持、网络通信等综合情况,选定价格性能比较好的PLC机型。

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