Today's Message Index:
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1. 03:10 PM - 3 stage switching for lights (werner schneider)
2. 06:07 PM - Re: 3 stage switching for lights (Charlie England)
3. 06:35 PM - Re: DB9 Cover (Eric Page)
Message 1
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| Subject: | 3 stage switching for lights |
Hi Folks,
I wonder if I could save on a 4th dimmer ;) Here what I want to achieve:
Cabin lights (LED) 2 section, front and rear:
-position 1, front lights on dimmer, rear lights off
-position 2, front and rear lights on dimmer
-position 3, front lights off, rear lights on 13.8V
I did craft a scheme, but I'm not able to find a switch which offer that 3 stage
functionality or maybe I'm just not good enough in wiring it for that functionality.
Thanks for your help (due to space constrains the switch would need to use screw
terminals in addition)
Werner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=512721#512721
Message 2
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| Subject: | Re: 3 stage switching for lights |
On 12/1/2023 5:09 PM, werner schneider wrote:
>
> Hi Folks,
>
> I wonder if I could save on a 4th dimmer ;) Here what I want to achieve:
>
> Cabin lights (LED) 2 section, front and rear:
>
> -position 1, front lights on dimmer, rear lights off
> -position 2, front and rear lights on dimmer
> -position 3, front lights off, rear lights on 13.8V
>
> I did craft a scheme, but I'm not able to find a switch which offer that 3 stage
functionality or maybe I'm just not good enough in wiring it for that functionality.
>
> Thanks for your help (due to space constrains the switch would need to use screw
terminals in addition)
>
> Werner
>
Apologies for the inevitable question in answer to a question:
Will you be the only person who manipulates the system? Because anything
other than 3 controls seems like head-down time for anyone not well
schooled in its operation.
Charlie
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Message 3
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There's a good alternative to Deutsch connectors. Amphenol make exact duplicates
of the entire range of Deutsch parts. Every component is entirely interchangeable
with the equivalent Deutsch parts and they sell for significantly less
than Deutsch. The Amphenol versions are available in multiple housing colors
and keying options to prevent misconnecting similar connectors in the same harness,
and Amphenol offer many more accessory items like shrink boots and mounting
brackets than Deutsch.
The Amphenol connectors' series designations are similar to Deutsch (links to manufacturer
product pages):
Deutsch DTM (https://www.te.com/usa-en/products/connectors/automotive-connectors/intersection/deutsch-dtm-connectors.html?tab=pgp-story) = Amphenol ATM (https://www.amphenol-sine.com/atm-series) (Size 20 contacts, 7.5A ea.)
Deutsch DT (https://www.te.com/usa-en/products/connectors/automotive-connectors/intersection/deutsch-dt-series-connectors.html?tab=pgp-story) = Amphenol AT (https://www.amphenol-sine.com/at-series) (Size 16 contacts, 13A ea.)
Deutsch DTP (https://www.te.com/usa-en/products/connectors/automotive-connectors/intersection/deutsch-dtp-connectors.html?tab=pgp-story) = Amphenol ATP (https://www.amphenol-sine.com/atp-series) (Size 12 contacts, 25A ea.)
Look at the bottom of each Amphenol product page for downloadable PDF brochures
that explain all of the available components and how they work.
Below are links to Digi-Key part lists with all of the required components to form
a basic plug/receptacle pair for each Amphenol series. Click "+" to the left
of each part to see alternatives. Watch pin/socket part numbers carefully;
there are different contacts for different wire AWG (the "Contacts" brochures
are a good guide).
Amphenol ATM (https://www.digikey.com/en/mylists/list/S9PGBP85ZQ)
Amphenol AT (https://www.digikey.com/en/mylists/list/XMKHB6MTG5)
Amphenol ATP (https://www.digikey.com/en/mylists/list/6UR6QPAV5H)
For each connector pair, you need the following parts:
-Plug housing
-Plug wedgelock
-Female socket contacts
-Receptacle housing
-Receptacle wedgelock
-Male pin contacts
-2x sealing plugs (for each unused position)
Assuming that you use machined contacts, then for crimping tools the Iwiss brand (https://www.iwiss.com/collections/deutsch-connector-crimping-tools) are good quality at low prices. The IWD-12, IWD-16 (or IWD-1620) and IWD-20 are the tools to look for. Iwiss also sell the tools under their iCrimp brand (https://www.icrimptools.com/collections/heavy-duty-connector-crimping-tool). The tool part numbers correlate to the contact sizes above (the -16 and -1620 both crimp size 16 contacts; the -16 handles 14-18AWG while the -1620 handles 16-20AWG). All four are readily available on Amazon or eBay under both brand names.
Or, if you prefer genuine Amphenol tooling (which looks like it might be made under contract by Iwiss), those are the AUTK-12 (https://www.digikey.com/short/0qv9ddnf), AUTK-16 (https://www.digikey.com/short/zjwf3jh3) and AUTK-20 (https://www.digikey.com/short/q505d7h0).
-Eric
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=512723#512723
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