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#1 |
Member
![]() ![]() Join Date: Dec 2004
Location: new jersey
Posts: 178
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ladder logic sequence
Hey Guys
I am using a allen bradley 1500 connected to emerson servo drives, before i sit down and reinvent the wheel does any one have an example of what the did to sequence moves. The thing that drives me nuts is there end of index bit always stays on after the index is done and wont go off till i start that index again. thanks jim cav |
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#2 |
Member
![]() ![]() Join Date: Sep 2005
Location: NE Wisconsin
Posts: 101
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I don't have any examples, but the following may save you from going completely nuts.
Use an ONS or OSR in the rung of your program, so that the PLC only sees (or uses) that end of index signal once. The program will then ignore it until after the next index start. (True to false then true again.) |
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