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what different between KA/KB and RS485

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Posted: Monday Sep 1st, 2014 09:17 pm

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hasan hadi
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Hi,
what different between KA/KB and RS485 because i reading RS485 is 4 wire (KA,KB,0,12v)
ucm,RIO,SEM connected to RS485 or KA/KB ,0,12
Regards

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Posted: Tuesday Sep 2nd, 2014 01:27 pm

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ident
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The 4 way RS485 connector has the same signals as 12V, COM, KA and KB
The 4 way rs485 connector can be connected to UCMs using the 4 way white cable which is supplied with any UCM. However it is also possible to connect to UCMs using the terminal blocks for 12V, COM, KA and KB, as they are the same

Posted: Tuesday Sep 2nd, 2014 06:39 pm

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hasan hadi
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ident wrote: The 4 way RS485 connector has the same signals as 12V, COM, KA and KB
The 4 way rs485 connector can be connected to UCMs using the 4 way white cable which is supplied with any UCM. However it is also possible to connect to UCMs using the terminal blocks for 12V, COM, KA and KB, as they are the same

Thanks

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