Hi Folks
I'll try not get too long winded, but here is some background on my project. I installed an I-beam on the ceiling of my garage and put a motorized trolley on it, and mounted an electric winch onto the trolley. Here is what it looks like with the power sources combined, mainly as a point of reference
Both the trolley and winch have their own controls, each with a single rocker switch to run the motor in one direction or another. I now want to combine these controls into a single control (they call them pendants) with four buttons as well as extend the length of the control cable.
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The new control has 4 buttons and 5 wires. One is "common" providing power and when you press a button, it completes a circuit with the common wire and one of the other 4. This is consistent with my expectations and I completely understand this.
The two existing controls are slightly different. The trolley control has a 16 uF 450VAC 50/60hz capacitor inside the control body and 3 wires to the rocker switch. One provides power and when you press the switch in one direction it completes the circuit to one of the other wires.
This also makes sense to me but I don't fully understand the the purpose of the capacitor. The way it's wired makes me think it's in parallel - is that correct? I did some reading but don't understand the difference between a start capacitor and run capacitor. I don't think it matters as I will retain this, but I'd like to understand it better. But other than this, the new control wiring will work perfectly here so I'm good.
The real reason for me seeking help, is the second control. It uses 4 wires and 2 x CBB1 80uF 250VAC 50/60Hz capacitors (located near the motor). It looks like I have a limit of 6 pictures per post so I just show the wiring and not the capacitors but I can add a picture of the capacitors in a followup post if need be.
I don't fully understand the current circuit, and need to figure out how to use my new simpler control mechanism to do the same thing without the 4 wires, and retain the capacitors. I think I'll need to make another post with some more pictures to explain it.
To be continued....
I'll try not get too long winded, but here is some background on my project. I installed an I-beam on the ceiling of my garage and put a motorized trolley on it, and mounted an electric winch onto the trolley. Here is what it looks like with the power sources combined, mainly as a point of reference
Both the trolley and winch have their own controls, each with a single rocker switch to run the motor in one direction or another. I now want to combine these controls into a single control (they call them pendants) with four buttons as well as extend the length of the control cable.
-->
The new control has 4 buttons and 5 wires. One is "common" providing power and when you press a button, it completes a circuit with the common wire and one of the other 4. This is consistent with my expectations and I completely understand this.
The two existing controls are slightly different. The trolley control has a 16 uF 450VAC 50/60hz capacitor inside the control body and 3 wires to the rocker switch. One provides power and when you press the switch in one direction it completes the circuit to one of the other wires.
This also makes sense to me but I don't fully understand the the purpose of the capacitor. The way it's wired makes me think it's in parallel - is that correct? I did some reading but don't understand the difference between a start capacitor and run capacitor. I don't think it matters as I will retain this, but I'd like to understand it better. But other than this, the new control wiring will work perfectly here so I'm good.
The real reason for me seeking help, is the second control. It uses 4 wires and 2 x CBB1 80uF 250VAC 50/60Hz capacitors (located near the motor). It looks like I have a limit of 6 pictures per post so I just show the wiring and not the capacitors but I can add a picture of the capacitors in a followup post if need be.
I don't fully understand the current circuit, and need to figure out how to use my new simpler control mechanism to do the same thing without the 4 wires, and retain the capacitors. I think I'll need to make another post with some more pictures to explain it.
To be continued....