![]() ![]() Also, the retentive OTL and OTU instructions may be utilized freely at your discretion. When the OPEN button is pushed, the door goes up. The utilization of Binary or Integer Table bits to Flag specific conditions within your program would be appropriate. Using the DOOR Simulator on LogixPro, create a PLC program that will control the Door Simulation as follows: You are required to use a BIT in your program at least one time Start with the door in the down position. Once movement is halted by the either of the foregoing actions, the operating criteria associated with the previous exercise will again take effect. Door movement will remain halted when the switch is released. If the door is currently closing, pressing the Open Switch will immediately halt movement. I think this is done with a little more finess than I am used to and the student exercise hints that I should be using binary and interger tables along with my otu and otl statements? " If the door is currently opening, pressing the Close Switch will immediately halt movement. ![]() In the last part they want the door to stop if in the down button is pressed while in the up motion and visa versa. I had no problem doing this but cleaning up is putting things to a halt. ![]() I am only just started and am at the door simulator which has a door which goes up and down on motors. Have been trying to learn PLCs and have bought a copy of logic pro from the learning pit. ![]()
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