GJR5251400R3202 ABB PLC的功能

GJR5251400R0202
GJR5251063P1
GJR5251000R0303
GJR5250900R0202
GJR5250800R0202
GJR5250500R5101
GJR5250200R1
GJR5250000R0353
GATS110112R0001
GATS110091R0201
GATS110091R0001
6GJR5252600R0201
6GJR5252600R0101
1SBP260512R1001
1SBP260150R1001
1SBP260110R1001
1SBP260106R1001
1SBP260105R1001
1SBP260104R1001

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描述

早期的PLC用逻辑关系来代替这些接线。后来,PLC的功能被大大扩充了。过去,PLC适用于离散过程控制,如开关、顺序动作执行等场所,但随着PLC的功能越来越强大,现在的PLC也开始进入过程自动化领域,已经具有复杂数据运算、PID控制以及与企业商业系统的通讯功能。

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