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#9017 - 11/18/13 07:46 PM Westinghouse Question  
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micmerci Offline
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I have a new job with 3 Westinghouse traction cars. The controllers are type smfa-rel. The building is a hotel that has just reopened. They changed the lobby from 1 to G which is a floor below. How do I get the cars to home at the new floor? Thanks.

#9019 - 11/19/13 12:56 AM Re: Westinghouse Question [Re: micmerci]  
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uppo72 Offline
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While not knowing this equipment, in my experience homing have its own unique circuits that either feed a link to the lobby floor as a car or landing call. It may mean you need to trace that out and remove this link and replace it at the new floor. I would do it via terminal blocks at the back of the controller so it can be reversed if the need arises.

#9022 - 11/19/13 03:20 AM Re: Westinghouse Question [Re: uppo72]  
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Scott Davidson Offline
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california
hopefully you have the original prints, it probably has basement service incorporated already. look into that circuit to see what you can do with it. that dispatcher can be complicated, its going to take some time to figure it out. Im not really sure what the basement service circuit is for, as i have never had to deal with it, but it might lead you in the right direction should be a fun challenge, good luck

#9023 - 11/19/13 04:16 AM Re: Westinghouse Question [Re: Scott Davidson]  
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jkh Offline
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M,
If you do have the prints, Westinghouse I believe use one of their relays for parking. I'm not familiar with the smfa-rel how does that differ from ERL?

Last edited by jkh; 11/19/13 04:17 AM.

Make good choices,

JKH
#9108 - 11/27/13 03:19 PM Re: Westinghouse Question [Re: jkh]  
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Vatorman15 Offline
UW BADGER
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Cape Coral
Look for M69 switch at 1st floor and move it down to G

#9144 - 12/05/13 06:28 PM Re: Westinghouse Question [Re: Vatorman15]  
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micmerci Offline
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M69 is an individual type ES relay. How do I move it?

#9147 - 12/06/13 01:40 AM Re: Westinghouse Question [Re: micmerci]  
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uppo72 Offline
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Originally Posted By: micmerci
M69 is an individual type ES relay. How do I move it?


This is generally why you can spot mechanics from also rans(if this is what you mean). You never move 'switches/relays', as they dont need to move anywhere. Its the 'contacts' that make circuits so that's what you would move and I think what the poster meant. Spacial awareness is needed sometimes to be a lift mechanic as well as sometimes the ability to 'think outside the box'.

So if this contact is what actually sends the feed to the call relay then I would think I would disconnect these wires from the relay, and then just leave them in circuit at the other end and just terminate them in a connector and leave them be(so if the levels change again this can be reversed. Also mark then so other's can know what they are and mark the print also). Then I would simply copy what the old circuit(to level 1) is, at the g level and replace those 2 wires to the M69 relay.

#9150 - 12/07/13 03:04 AM Re: Westinghouse Question [Re: uppo72]  
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jkh Offline
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Uppo,
Vatorman15 is not suggesting to move the M69 relay...
M69 relay provides a function. Micmerci should see this on his print.


Make good choices,

JKH
#9151 - 12/07/13 07:33 AM Re: Westinghouse Question [Re: jkh]  
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uppo72 Offline
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Originally Posted By: jkh
Uppo,
Vatorman15 is not suggesting to move the M69 relay...
M69 relay provides a function. Micmerci should see this on his print.


Hey mate after seeing the print you sent me, I see what he meant. However im still not sure why that is important as it appears to be a limit to indicate the lift is actually on the main floor ( and drop the relay to stop the lift homing)but it doesn't send the lift there though. Even if you have a home relay with this m69 contact in circuit, you are still in cct to the previous main level of 1 not the level of g which is required now. Wouldn't you have to change where to give the lift a car call( level 1 to level g)?

If you understand what im trying to say.

Last edited by uppo72; 12/07/13 07:49 AM.
#9152 - 12/07/13 07:51 AM Re: Westinghouse Question [Re: uppo72]  
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uppo72 Offline
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Originally Posted By: uppo72
Originally Posted By: micmerci
M69 is an individual type ES relay. How do I move it?


This is generally why you can spot mechanics from also rans(if this is what you mean). You never move 'switches/relays', as they dont need to move anywhere. Its the 'contacts' that make circuits so that's what you would move and I think what the poster meant. Spacial awareness is needed sometimes to be a lift mechanic as well as sometimes the ability to 'think outside the box'.

So if this contact is what actually sends the feed to the call relay then I would think I would disconnect these wires from the relay, and then just leave them in circuit at the other end and just terminate them in a connector and leave them be(so if the levels change again this can be reversed. Also mark then so other's can know what they are and mark the print also). Then I would simply copy what the old circuit(to level 1) is, at the g level and replace those 2 wires to the M69 relay.



Disregard this post. I didn't quite recognise the cct it referring to. My apologies.

#9153 - 12/07/13 02:55 PM Re: Westinghouse Question [Re: uppo72]  
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E-man Offline
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Wonder if when the car becomes available while it's not at the M69 floor (after a certain amount of time maybe). Get's down direction and a start through selector contacts and heads for the switch? Just a guess. Move the switch and see.

#9158 - 12/08/13 12:23 AM Re: Westinghouse Question [Re: E-man]  
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jkh Offline
4 Ever Learning.
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Uppo
I'm trying to find out more.

E-man
I'm 99% sure that is correct.


Make good choices,

JKH
#9159 - 12/08/13 01:09 AM Re: Westinghouse Question [Re: jkh]  
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uppo72 Offline
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Originally Posted By: jkh
Uppo
I'm trying to find out more.

E-man
I'm 99% sure that is correct.


Interesting.... Does this system operate like the Otis selector/control in that it doesn't have floor relays and the lift doesn't actually know where it is but just instructed to start/ stop when and where its told? If so what your saying will work as all it needs is a stop input(hs/cs) on Otis). My reasoning previously was I thought this system had individual floor relays and car/landing call relays.

Last edited by uppo72; 12/08/13 01:11 AM.
#9160 - 12/08/13 04:57 PM Re: Westinghouse Question [Re: uppo72]  
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halfpick Offline
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California
If "g" happens to be the bottom landing now it will have a B69 relay. If extra unused contacts are available simply install a timer that puts a car call 301 in after timer sees it's been away from that floor at a preset time. You could actually prewire it to test if it's what your looking for? And then modify to suit job conditions. You may need to install contacts to disable feature i.e. (fire feature)

#9162 - 12/09/13 02:18 AM Re: Westinghouse Question [Re: halfpick]  
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uppo72 Offline
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Originally Posted By: halfpick
If "g" happens to be the bottom landing now it will have a B69 relay. If extra unused contacts are available simply install a timer that puts a car call 301 in after timer sees it's been away from that floor at a preset time. You could actually prewire it to test if it's what your looking for? And then modify to suit job conditions. You may need to install contacts to disable feature i.e. (fire feature)


Hey mate, just to confirm I think the poster said the client 'wants' to change the home feature from level 1 to g so when you say it has its B69(is it b or m?) meaning its already been modified or all levels will have this relay? Does this equipment have normal climbing or does it operate like an Otis system and is given a direction and stop inpulse only.

#9167 - 12/09/13 04:44 PM Re: Westinghouse Question [Re: uppo72]  
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micmerci Offline
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Just as an update "G" is not the bottom landing so B69 would not apply. I am really a novice as far as Westinghouse is concerned. The selector really is not like Otis. Even if I could completely eliminate homing for the time being would be an improvement. Thanks for the suggestions guys.

#9169 - 12/09/13 11:18 PM Re: Westinghouse Question [Re: micmerci]  
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jkh Offline
4 Ever Learning.
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Mic
What is the print number for the car call relays?
Example 446C774


Make good choices,

JKH
#9171 - 12/10/13 02:12 AM Re: Westinghouse Question [Re: jkh]  
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halfpick Offline
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California
B69 is bottom floor selector reset...hence T69 is top. If you have multiple basements it won't work....If you only had 1 basement it might! M69 is main floor selector relay indication! You could try using a selector contact to trigger the call? What type of selector are you using? Relay or the old "monkey on a stick".

Last edited by halfpick; 12/10/13 02:17 AM.
#9175 - 12/11/13 03:22 AM Re: Westinghouse Question [Re: halfpick]  
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micmerci Offline
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Relay type selector

#9176 - 12/11/13 03:33 AM Re: Westinghouse Question [Re: micmerci]  
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halfpick Offline
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California
There you go. Find a unused back contact of the floor you want to home and a timer to activate when car is away from landing after a given time. Once timer sets it will place a 300 call to start car to landing. Almost like a NDR feature (intense up demand) relay... I would temp. wire the feature and try it out. It won't be perfect, but better than rewiring controller and you can return it back to original dispatching fairly easy!

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