5136-RE2-PCI WOODHEAD

A20B-8002-0251
6SE7012-0TP50-Z Z=G91+C23
ICSTriplex-T8311
414AN-BV-000-000
DMC-4080
PP865
150-A35NBD

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描述

整体式PLC的每一个I/O点的平均价格比模块式的便宜,且体积相对较小,所以一般用于系统工艺过程较为固定的小型控制系统中;而模块式PLC的功能扩展灵活方便,I/O点数量、输入点数与输出点数的比例、I/O模块的种类等方面,选择余地较大。维修时只要更换模块,判断故障的范围也很方便。因此,模块式PLC一般适用于较复杂系统和环境差(维修量大)的场合。

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