E129-018-002 扩展模块

3223A4747NZP61B
323A2354P1
323A2354P2
323A2357P1
323A2357P4(15A)
323A2396P54
323A2396P91
323A2396P96
323A2396P98
324A5700P001
324A5700P001

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描述

对于小的系统,如80点以内的系统.一般不需要扩展;当系统较大时,就要扩展。不同公司的产品,对系统总点数及扩展模块的数量都有限制,当扩展仍不能满足要求时,可采用网络结构;同时,有些厂家产品的个别指令不支持扩展模块,因此,在进行软件编制时要注意。当采用温度等模拟模块时,各厂家也有一些规定,请看相关的技术手册。

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