6SN1114-0NB01-0AA0          6SN1114-0NB01-0AA0      6SN1114-0NB01-0AA0

PLC 的构成从结构上分，PLC分为固定式和组合式（模块式）两种。固定式 PLC包括 CPU 板、I/O板、显示面板、内存块、电源等，这些元素组合成一个不可拆卸的整体。模块式 PLC 包括 CPU 模块、I/O 模块、内存、电源模块、底板或机架，这些模块可以按照一定规则组合配置。
开关量（Digital）开关量： 按电压水平分， 有 220VAC、 110VAC、 24VDC， 按隔离方式分，有继电器隔离和晶体管隔离。模拟量（Analog）模拟量：按信号类型分：有电流型（4-20mA、0-20mA） 、电压型（0-10V、0-5V、-10-10V）等，按精度分：有12bit、14bit、16bit 等。除了上述通用IO外，还有特殊IO模块，如热电阻、热电偶、脉冲等模块。按I/O点数确定模块规格及数量，I/O模块可多可少，但其受CPU所能管理的基本配置的能力，即底板或机架槽数限制。

6SN1111-0AA00-0BC0
6SN1111-0AA00-0CA1
6SN1111-0AA00-0CB0
6SN1111-0AA00-0CC0
6SN1111-0AA00-0DA1
6SN1111-0AA00-0DB0
6SN1111-0AA00-0DC0
6SN1111-0AA00-0EB0
6SN1111-0AA00-0EC0
6SN1111-0AA00-0FB1
6SN1111-0AA00-0FC0
6SN1111-0AA00-1EA0
6SN1111-0AA00-1FA0
6SN1111-0AA01-1AA0
6SN1111-0AA01-1BA0
6SN1111-0AA01-1CA0
6SN1111-0AA01-2EB0
6SN1111-0AB00-0AA0
6SN1111-0AB02-0AA0
6SN1111-1AA00-0CA0
6SN1112-1AB00-0BA0
6SN1112-1AB00-0CA0
6SN1112-1AB00-1AA0
6SN1112-1AB00-1BA0
6SN1112-1AC01-0AA1
6SN1113-1AA00-0CA0
6SN1113-1AA00-0DA0
6SN1113-1AA00-1JA0
6SN1113-1AA00-1KA0
6SN1113-1AB01-0BA1
6SN1114-0AA01-0AA0
6SN1114-0AA01-0BA0
6SN1114-0AA02-0AA0
6SN1114-0NA00-0AA0
6SN1114-0NB00-0AA1
6SN1114-0NB01-0AA0
6SN1115-0AA12-0AA0
6SN1115-0BA11-0AA1
6SN1118-0AA11-0AA1
6SN1145-1AA00-0AA0
6SN1145-1AA00-0CA0
6SN1145-1AA01-0AA0
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6SN1145-1BA00-0CA0
6SN1145-1BA00-0DA0
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6SN1145-1BA01-0DA1
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6SN1145-1BB00-0DA0
6SN1145-1BB00-0DA1
6SN1145-1BB00-0EA0
6SN1145-1BB00-0EA1
6SN1145-1BB00-0FA0
6SN1145-1BB00-0FA1

6SN1123-1AA00-0AA0
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6SN1123-1AA00-0CA2
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6SN1123-1AA00-0HA0
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6SN1123-1AA00-0JA0
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6SN1123-1AA00-0KA0
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6SN1123-1AA00-0LA0
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6SN1123-1AB00-0HA0
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6SN1118-0AA11-0AA0
6SN1118-0AD11-0AA0
6SN1118-0AD11-0AA1
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6SN1118-0AE11-0AA1
6SN1118-0BJ11-0AA0
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