What rules should be followed when converting a schematic?

What will be an ideal response?


There are some basic rules that should be followed when making a conversion.

?Each line of logic must end with a coil.
?Any contact labeled the same number as a coil is controlled by that coil.
?Each relay can have an infinite number of contacts and they can be assigned as normally open or normally closed.
?Any coil assigned the same number as an output will control that output.
?Any contact assigned the same number as an input is controlled by that input.
?The PLC assumes inputs to be low (no power applied) when the program is loaded into memory. When power is applied to an input, it will cause the contact assigned to that input to change state. A normally open contact will close and a normally closed contact will open.
?Any number of contacts can be assigned to the same input.

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