B1系列通讯扩展模块

产品名称：通讯模块
产品规格：B1-CM2/5/22/25/55
产品编号：

B1-CM2
1个RS232(Port2)通讯扩展模块

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B1-CM5
1个RS485(Port2)通讯扩展模块

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B1-CM22
2个RS232(Port1+Port2)通讯扩展模块

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B1-CM25
1个RS232(Port1)+1个485(Port2)通讯扩展模块

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B1-CM55
2个RS485(Port1+Port2)通讯扩展模块

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