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B1-8X
8点24VDC数位输入
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B1-8Y◇
8点(R/T/S)数位输出
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B1-8XY◇
4点DC24V数位输入，4点(R/T/S)数位输出
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B1-16X
16点24VDC数位输入
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B1-16Y◇
16点(R/T/S)数位输出
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B1-16XY◇
8点DC24V数位输入，8点(R/T/S)数位输出
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B1-20X
20点24VDC数位输入
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B1-24XY◇
14点24VDC数位输入，10点(R/T/S)数位输出
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