Using Auxiliary relay in the safety logic circuit

    Hello,

    I am looking to use Auxiliary relays in the safety logic circuit but even when the auxiliary relay is on, it doesn't show it as on in the safety logic circuit.

    I am using address 70055, which I want to use to turn on a safety output. Is there somewhere the auxiliary relay has to be configured first?

    I have confirmed that this relay is not being used anywhere else in the ladder program.


    Thanks,

    The 7xxxx auxiliary relays that are used in the concurrent io are not safety rated.


    The R auxiliary relays are safety rated and are used in the safety logic circuits to expand a circuit out. The safety logic circuits have a max of 2 inputs. Outputting to a R auxiliary allows a more complex circuit to be written. Essentially three or more inputs.


    2 different things named the same.

    I know a thing or two, because I’ve seen a thing or two. Don't even ask about a third thing. I won't know it.

    Ohh okay I understand now. It certainly does make it confusing when two different things are labelled the same thing.

    You wouldn't happen to know which manual goes into R auxiliary relays in more detail do you?

    Thank you for your answer.

    The US operators manual has a whole section on safety logic circuits. Can be downloaded from Motoman.com. I believe it is in section 8.

    I know a thing or two, because I’ve seen a thing or two. Don't even ask about a third thing. I won't know it.

    There probably isn’t a lot on them. You get 128. They are a buffer. You can use the output of an address as an input on another ring.

    I know a thing or two, because I’ve seen a thing or two. Don't even ask about a third thing. I won't know it.

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