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04-19-2019, 04:42 PM | #1 |
Gone Wild
Join Date: Feb 2017
Location: south florida
Posts: 304
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Super duty solenoid and XCT 500 wiring
Putting back together my XCT 500 and super duty solenoid and noticed on the wiring diagram from Alltrax and have a question-
On the diagram for PDS- one wire from battery pack to a solenoid stud, the other solenoid stud has one wire going to B+ and then a third wire from B+ to the A2 of the motor. Therefore two wires are connected to the B+ terminal of the Alltrax. Is that the most correct way? I think previously I had the second solenoid stud having two wires on it - one going to B+ on controller and the other to A2 motor. So my question is does it matter if the two wires are on solenoid stud vs the B+ terminal on controller? I attached a hand drawn picture. Option 1 is the drawing from Alltrax and option 2 is my question if it could or should not be wired that way Thanks |
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04-19-2019, 05:29 PM | #2 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,410
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Re: Super duty solenoid and XCT 500 wiring
Hi Conrad
Can you differentiate between wires and cables in your description? It makes it easier to understand (for me anyway) |
04-19-2019, 06:26 PM | #3 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Super duty solenoid and XCT 500 wiring
Electrically, either connection is identical. I'd say, which ever arrangement results in a more solid connection for the 500 amp terminals, use that. If both arrangements are similar, meaning stud length of solenoid is adequate, and/or controller terminal, then I'd route the cables to allow the most flexibility, since the motor "follows" the road, while controller and solenoid follow the frame, over bumps.
I prefer only one cable per solenoid stud, just 'cause. EDIT: If your solenoid is the same as mine, don't forget the studs are larger. |
04-19-2019, 06:34 PM | #4 | |
Gone Wild
Join Date: Feb 2017
Location: south florida
Posts: 304
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Re: Super duty solenoid and XCT 500 wiring
Quote:
Just to try to rephrase one more time as seen in my picture, can I put a 2 gauge wire that then goes to the B+ controller terminal AND second 2 gauge wire that goes to A2 of the motor on the same solenoid stud. Or should the solenoid stud only have one 2 gauge wire going to B+ controller terminal and then have another wire at the B+ terminal going to the A2 of the motor. Therefore should I have the two mentioned wires at the solenoid stud or two at the B+ controller terminal. I think if you read what I just wrote along with looking at my shotty diagram it should make sense Thanks |
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04-19-2019, 06:35 PM | #5 | |
Gone Wild
Join Date: Feb 2017
Location: south florida
Posts: 304
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Re: Super duty solenoid and XCT 500 wiring
Quote:
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04-19-2019, 07:43 PM | #6 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Super duty solenoid and XCT 500 wiring
Quote:
If you look at your data logs, motor amps exceed battery amps when throttle is less than 100% and motor amps equal battery amps when throttle is at 100%. This is due to feeding the motor with pulsed DC when at <100% duty-cycle. When the pulse ends, the magnetic field collapses and generates a current in the windings that is the same polarity as the pulse was. There is a "Freewheel" diode, or something similar, in the controller between M- and B+ that completes the current loop. ------- If you have thick cables in good condition, the difference probably is not noticeable. |
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04-19-2019, 09:41 PM | #7 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Super duty solenoid and XCT 500 wiring
Quote:
That's the way I wired mine (series), though as you said, "Ironically". |
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