I’m taking an evening class at our local community college. The course is Industrial Electronic Control Systems. My instructor kind of veered away from our topic that evening, which was Process Control Methods, and got on to PLC’s. He worked out a PLC logic program on the blackboard, which he was using one momentary push button to activate a discrete output and using the same button would de-activate the same output. He was trying to manipulate the scan sequence, which is from top to bottom, left to right. He worked out the problem on the board and at that time it did seem to make sense, but I was not 100% sure.
I have a Mitsubishi FX2N PLC at home to practice on in my free time. So I went home to try his logic on my system. This did not work and before I confront my instructor, which I have not received my grade yet, I want to be sure. Please review the logic and please tell me what I am missing…
--[PB1]--[M1/]----------------------------------(M0)
--[PB1]-----------------------------------------(M1)
--[M0 ]--[M1]-----------------------------------(M3)
--[M0]--|--[M3/]--------------------------------(Y0)
--[Y0]--|
Thanks
I have a Mitsubishi FX2N PLC at home to practice on in my free time. So I went home to try his logic on my system. This did not work and before I confront my instructor, which I have not received my grade yet, I want to be sure. Please review the logic and please tell me what I am missing…
--[PB1]--[M1/]----------------------------------(M0)
--[PB1]-----------------------------------------(M1)
--[M0 ]--[M1]-----------------------------------(M3)
--[M0]--|--[M3/]--------------------------------(Y0)
--[Y0]--|
Thanks