View single post by slychiu
 Posted: Thursday Nov 21st, 2019 02:15 am
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Joined: Saturday Apr 29th, 2006
Location: Singapore
Posts: 5055

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If this fails you also replace the submodule just line OP03 and OP01

It is less likely to fail than OP03 or OP01 because the relays have 5000V isolation/breakdown volatge.
In OP01 and OP03 the outputs are open collector transistor outputs and are more easily damaged

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