FBs-CB2
1个RS232(Port2)之扩充通讯板
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FBs-CB22
2个RS232(Port1+Port2)之扩充通讯板
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FBs-CB5
1个RS485(Port2)之扩充通讯板
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FBs-CB55
2个RS485(Port1+Port2)之扩充通讯板
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FBs-CB25
1个RS232(Port1)+1个RS485(Port2)之扩充通讯板
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FBs-CBE
1个以太(Ethernet)网络界面(Port1)之扩充通讯板
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E-mail：meizhi4681@163.com