SIEMENS
SM 1223 DIGITAL 输入输出. 8DI/8DO
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DIGITAL INPUT SM 1226 F-数字输入 16X 24伏直流
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DIGITAL OUTPUT SM 1226 F-DQ 4X 24伏直流
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SIMATIC S7-300 DIGITAL INPUT 模块
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SIMATIC S7-300 DIGITAL INPUT SM321
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SIMATIC S7-300 DIGITAL OUTPUT 模块
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SIMATIC S7-300 DIGITAL OUTPUT SM322
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SIMATIC S7-300 ANALOG INPUT SM 331
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模块 INPUT S7300 8AI 16BIT 40PIN ISOL
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模块 OUTPUT S7300 4AO 11/12BITS 20PIN
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