Stop - Start Station with reverse.

The stop logic function is always the first sequence, all stops, E-stops, and safety sensors are wired in series before connecting to parallel start buttons. If my shirt sleeve gets caught in a gear at my work station, I press the stop or E-stop button. You are at your work station wondering why the line stopped, you press the start button to resume productivity. The start button bypasses the E-stop and you 'jog' my fingers into the gear. Over and over again, now I'm down to my elbow.

Good to see you publishing circuits again Billy...👍

After over 30years in the trade, I can tell you what I have drawn is what it is, you will notice that there is a switch just above the power supply, this is the E-stop when that is hit it don't start no longer. Only the contractors carry the motor current, the switches carry the logic current.

Your experience is not valid. Have you received government accredited formal training with relay logic?

All control circuits are composed of 1st signal, 2nd decision, and 3rd action sections. You have put a signal device in the action section, after the decision section. What's the point of having a decision section if you are just going to bypass it?

Don't worry about my experience, I was working for a concern that had a thousand pump stations and over 5000 pump and other motors. All designed and installed by huge industrial firms. What you have to look at is what you have missed, ie, mains isolation circuit isolation, and finally E-STOP switches. All of which are not shown in the basic circuit here.

THE ISSUE IS "THE START BUTTON CANNOT BYPASS THE STOP BUTTON." I have expressed this numerous times with logical reasoning. The only thing I get from you is your vague experience. So you admit you wasn't the designer or installer of the control systems. But perhaps your experience has mislead you to make assumptions, because you have been using this illogical circuit in a non critical situation maybe? Control circuit design: Signal>Decision>Action>Repeat. Your control circuit: Signal>Decision>Action>Signal>Decision>Signal>Decision>Repeat. What is the logical reasoning for this? Do you know what "Three-wire control" is?

Its not we its you disagreeing. I have attended 5 years of electrical apprenticeship training, its good in all 50 states. Good for any college credit towards EE. In the curriculum was 6 months of motor control classes. Not only was this mentioned first thing in every class, its even written in the book, all diagrams in this book have either a NC momentary or latched switch on L1/X1. Quote from the book, "Pressing the OFF pushbutton (NC) opens both current paths to the coil, through the ON pushbutton and the interlock." Sorry you can't find this information for free, education costs and pays at the same time. Keep up being a fraud, its a shame you keep telling users their 3 wire control is wrong then you post this garbage. 30 years of self entitlement, and that's the way it is?

I have checked my work circuits and googled "stop/start" circuit diagrams, and I am afraid that we are going to have to disagree on this circuit, as a momentary closed STOP switch will allways appear to be bypassed by a momentary open RUN switch and that's the way it is. It might be easier to see if these relays had more than one contact, but that is not to be. http://everycircuit.com/circuit/5148127802949632

I have done, two apprentiships 1 five years as an electrician, one as 3 years instrumentation and procescontrols, and worked in the water industry for 30 year, on top of this I completed extra computer, PLC, and DCS programming courses, on motor control.

I have run into what you are talking about in failsafe programming, but it was different for hardware control.

Glad you opened up to reveal your not a 30 year helper. I see you know your indicator colors. But I don't understand why you prefer the circuit that bypasses the stop when a nearly identical circuit creates a safety interlock, and a much simpler logic process. Not to mention troubleshooting. Google is your friend but not your instructor: https://goo.gl/images/o4P9PF

What is the relevance of that circuit. For the last25 years, these colours have been used in Australia, green stopped red running Orange faults. For 1 of 33 million circuits Try https://www.industrial-electronics.com/motor_control/3e_A-Three-Wire-Start-Stop-Circuit-with-Multiple-Start-Stop-Push-Buttons.html

Could you draw the circuit that you are talking about.

The relevance of that circuit shows how Google will display non functional circuits. The circuit uses a resistor to drop the voltage so the led can run on 230vac. However the resistor will not drop any voltage on the negative cycle, feeding 325 v peak to a reverse biased led. That's what you find on Google.

https://www.industrial-electronics.com/motor_control/3e_A-Three-Wire-Start-Stop-Circuit-with-Multiple-Start-Stop-Push-Buttons.html the start button doesnt bypass the stop button in both these circuits.

Its the top circuit you just posted http://everycircuit.com/circuit/5148127802949632

Both my last circuits are used as alternatives for each other depending on the hard ware involved, I've rechecked my circuits and this is correct.

Nice circuit