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Guest Jaga

Out Put in Rs Logix 5000

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Can several differnt rungs end with the same out put, Ex: turn on the yllow light in several different rungs or locations? Can several differet rungs ehd with the same out put latch and unlatch fron different places of the program. I have experienced some problems with the first case and I used to assign each rung out to a bool and parallel the bools in another rung, is that relally needed in secound case given below? Used Software : Rs Logix 5000 PLC :1758-M13 AB

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It is possible to have duplicate outputs in a DIFFERENT ladders/subs but I don't recommend it.

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It is possible to have rungs with same output in the same sub but this is also not recommended. Most people refrain from using double (multiple) coils because it makes troubleshooting much harder. Using coils only once in whole program is commonly accepted as good programming practice.

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