Delta Electronics Ethernet Extension Module DOP Specifications download pdf (Page 135)

Train ing Kit O peratio n Manua l

5-8

4. Program description

 The ground floor and the basement share the same red light signal Y1 and green light

signal Y2.

 The key of the program is to judge whether the car is entering or leaving the passage at the

ground floor entry/exit when M1 is ON to activate Y1 because [PLS M1] will be executed in

both entering and leaving conditions. Therefore, the confirming signal M20 is required for

confirming that the car is entering the passage from the ground floor.

 Also, it needs to be judged whether the car is entering or leaving the passage at the

basement entry/exit when M3 is ON because [PLS M3] will be executed in both entering

and leaving conditions. Therefore, the confirming signal M30 is required for confirming that

the car is entering the passage from the basement.

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Delta Electronics Ethernet Extension Module DOP Specifications Page 135