Disconnected bar feeder and now Puma will not run

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Thread: Disconnected bar feeder and now Puma will not run

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    Default Disconnected bar feeder and now Puma will not run

    Hi all,
    I'm getting rid of my bar feeder to make room for a new mill. After disconnecting the bar feeder, the lathe throws a OP Emergency PB/LS Off alarm along with some other messages. I think if I fix this alarm the other stuff will go away.

    Is there a parameter to change in the Puma control to get it to stop looking for the bar feeder, or do I need to bridge the two terminals in the cabinet that went to the bar feeder EMG button? I can't find any parameters that look related to the bar feeder at all.

    Daewoo Puma 8s with Meldas control. Bar feeder is a SMW Spacesaver 2000.

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    Member Jim Dawson's Avatar
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    Default Re: Disconnected bar feeder and now Puma will not run

    Quote Originally Posted by runninwideopen View Post
    Hi all,

    Is there a parameter to change in the Puma control to get it to stop looking for the bar feeder, or do I need to bridge the two terminals in the cabinet that went to the bar feeder EMG button?
    In general most machines would require that the E-stop switch on an aux piece of equipment be in series with with the machine E-stop, so yes, I think the bar feeder E-stop terminals should be jumped .

    The machine may also be looking for a ''ready'' signal input.

    Jim Dawson
    Sandy, Oregon, USA


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    Default Re: Disconnected bar feeder and now Puma will not run

    I jumped them, but no change. Found the wiring diagram for the bar feeder. It has an E Stop circuit on both the Input and Output cables. Both connect to a relay in the Puma. 2 wires ea.

    The Output relay has 1 wire with 24v from Puma and 2 wires to bar feeder.

    The Input relay has 1 wire with 24v and 1 output wire to Puma. 2 wires to bar feeder. This relay is normally closed.

    I'm struggling to figure out how this equates to the bar feeder. Probably not enough info for you to help - but maybe the right question could get me headed the right direction?

    Thanks.



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    Member Jim Dawson's Avatar
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    Default Re: Disconnected bar feeder and now Puma will not run

    If the bar feeder is still in position or at least near the machine, then reconnect the cables and get some voltage measurements to understand the electrical logic of the system. Then it should be easy to duplicate the state that makes the machine happy.

    Jim Dawson
    Sandy, Oregon, USA


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Disconnected bar feeder and now Puma will not run

Disconnected bar feeder and now Puma will not run

Disconnected bar feeder and now Puma will not run