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ACE949-2 and DeviceMaster UP

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PeterSCADA

Hi everyone,

My sepam 80 connected via ACE949-2 (RS485) to pin 3+ and 7- (RS485) Devicemaster up (Comtrol) doesn't talk, The link active light does not dlash, just steady on both ACE949 and Comtrol, before these stuffs was working fine according to users and I can prove this because of some data pulled on HMI.

What might be a problem here?

PeterSCADA
 
P

PT

The Comtrol Device master shows the terminals as TxD/RxD(-) as terminal 3 and TxD/RxD(+) as terminal 7 but you mentioned other way so connection may be other may round.

Regards
 
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