Reverse logic means that if an input is energized, the function assigned to this input is disabled. If the input is not energized, the function is enabled.
The logic of the inputs can be reversed: Input L1 to L4 (model A, B) or L1 to L6 (model E).
The logic of the inputs can be reversed: Input L1 to L4 (model A, B) or L1 to L6 (model E).