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Old 16-05-2018, 04:31   #1
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engine connecttion Raymarine

Dear knowlegable people

I am trying to install an autopilot system on my boat from different parts.

The parts I have are:

Control head Raymarine St6000+

Course computer type 100

Fluxgate compass

Linear drive, which is a black metal cylinder with an engine at the end (inside casking) I am not sure about the name, but it is the smaller, weaker of them, all cylindrical and without the bulky end.

My problem is how to connect the drive to the course computer. The computer only has two connections for motor; two arrows, one in and one out. But the cable from the engine in my drive has four cables: green, blue, yellow and red. As I dissasemble the drive I find there are also three resistors. If it helps anyone I can sumbit the colour codings on these.

It might be of help to know that this drive originates from an old, non digital autopilot (labelled autopilot 2000, but there seems to be many variations), which consisted of a bulky, pot-like unit that held a compass, and had to be gimballed.

So - can my pre-digital age drive unit engine be used with my course computer, and if so, how should I wire it up?

I have contacted Raymarine, but they have referred me further and I suspect it might take time locating someone old enough to know about my stuff.

Kindly
Per Runhammar
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Old 16-05-2018, 05:05   #2
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Re: engine connecttion Raymarine

Addition:

I have looked at some pictures and think that I used the word drive wrongly, to be precise: It is called Raymarine tiller drive.

thanks

Per
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Old 16-05-2018, 08:39   #3
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Re: engine connecttion Raymarine

The other 2 wires are probably the clutch.

If the pilot doesn't have a clutch output. You'd have to rig up a manual switch to Engauge the pilot
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Old 16-05-2018, 09:29   #4
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Re: engine connecttion Raymarine

Thanks for your reply!

Yes, that was my thought to, but there is no clutch on this tiller drive. It is always engaged.
Someone suggested the other two lines are "feedback lines" from the old autopilot.

My questions then:

how do I know which are feedback lines and which ones are motor in and out?

Can I safely test this by connecting the engine to 12V, or do I risk blowing something?

What, pray tell, are feedback lines?

Kindly

Per
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Old 17-05-2018, 19:35   #5
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Re: engine connecttion Raymarine

If you have it disassembled find the "engine" and see where the wires connected to it go.

Reverse engineer it or take it to someone that knows what they are looking at.

A picture is worth a thousand words.
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Old 17-05-2018, 21:52   #6
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Re: engine connecttion Raymarine

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ID:	169964Click image for larger version

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Old 17-05-2018, 21:54   #7
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Re: engine connecttion Raymarine

Sorry about double pictures. Couldn’t seem to change that.
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Old 17-05-2018, 23:20   #8
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Re: engine connecttion Raymarine

To my knowledge two wires drive the engine (+&-) while the others are a sort of end stops.
Sorry can't help with the colors...
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Old 17-05-2018, 23:56   #9
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Re: engine connecttion Raymarine

Sounds logical. The question remains: do I risk blowing something by experimenting? Someone suggested blue and red should be +&-. I am very tempted to connect them, and hope for the best...
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Old 20-05-2018, 15:03   #10
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Re: engine connecttion Raymarine

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If it means anything to anyone, here is the measured resistance between the four cables respectively, with the multimeter set at 200 ohm. Below the line is the value measured between the two cables of another motor, one for a non linear drive that looks slightly bigger.

(For newcomers; Im trying to figure out which two of four cables attached to the back of the motor in my linear auto pilot tiller drive I should connect to my course computer.)

Very thankful for any help I can get.

/Per
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Old 20-05-2018, 23:30   #11
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Re: engine connecttion Raymarine

Hey, I looked up an old thread of mine. Especially the last post might be helpful.

Can a ST 5000+ Raymarine Autopilot Control head work together with a Autohelm 2000 St
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Old 21-05-2018, 03:22   #12
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Re: engine connecttion Raymarine

Thank you soo much Franziska!

I think you just about solved my problem!

Will get back with report for future reference.

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Old 21-05-2018, 07:39   #13
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Re: engine connecttion Raymarine

Your welcome!
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Old 21-05-2018, 14:03   #14
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Re: engine connecttion Raymarine

Yes, that worked!
Thank you again and have a lovely summer!
/Per
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