Re: [Repeater-Builder] Back up......

[Kevin Custer]

Chris Carruba wrote:

I apologize for my earlier comment..


Okay, maybe you are learning too.
It's good you did - as I was on my way to remove you.


just seems as if the class was punished for the actions of a few.


Yes, the whole group was punished.  The good list members didn't mind, 
though
When you have a class room of 4000+, sometimes the only way to get the 
attention of the group is to pull the trigger.

I never said life (on this list) was fair.  YMWV.


Regards,
Kevin Custer

Re: [Repeater-Builder] Back up......

[Chris Carruba]

I apologize for my earlier comment..
just seems as if the class was punished for the actions of a few.


 Best Regards,




-Chris Carruba
irc.spidernet.org
KFM-0099
WQIK389



- Original Message 
From: Kevin Custer <[EMAIL PROTECTED]>
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, August 16, 2008 6:35:29 PM
Subject: [Repeater-Builder] Back up..


The list is back up.Enjoy!
Please keep it under control.


This list is nearly 10 years old.  I have only had to do this one other
time.
Thank you to the good reliable membership that tries to help hold
things together.  For the others, I hope you have learned a thing or
two.

Since we were on vacation, some group members thought we weren't going
to return (like I'm going to hold back a 4000+ membership !)
Anyway, you are all invited to join JOHN MACKEY'S new group.  See the
details below.

Regards,
Kevin Custer







- Original Message - From: "John Mackey" 

Since the "Repeater-Builder" yahoo group has been shut down with no
word of if or when it will be operational, I have started a new yahoo
group called "building-repeaters ". The idea of this group is for
intelligent & provocative discussions about building repeaters to
happen on this new group without the temper tantrums of the moderators. 

Please feel free to join and tell all your friends about it. When
sending your join request, please say something about ham radio or
repeaters so I know you are not a spammer. 

thanks! Below is a link to the website for the yahoo group. 

http://groups. yahoo.com/ group/building- repeaters/ 



  

Re: [Repeater-Builder] Back up......

[Chris Carruba]

Oh yes we all feel so punished like 5 year olds...




 Best Regards,




-Chris Carruba
irc.spidernet.org
KFM-0099
WQIK389



- Original Message 
From: Kevin Custer <[EMAIL PROTECTED]>
To: Repeater-Builder@yahoogroups.com
Sent: Saturday, August 16, 2008 6:35:29 PM
Subject: [Repeater-Builder] Back up..


The list is back up.Enjoy!
Please keep it under control.


This list is nearly 10 years old.  I have only had to do this one other
time.
Thank you to the good reliable membership that tries to help hold
things together.  For the others, I hope you have learned a thing or
two.

Since we were on vacation, some group members thought we weren't going
to return (like I'm going to hold back a 4000+ membership !)
Anyway, you are all invited to join JOHN MACKEY'S new group.  See the
details below.

Regards,
Kevin Custer







- Original Message - From: "John Mackey" 

Since the "Repeater-Builder" yahoo group has been shut down with no
word of if or when it will be operational, I have started a new yahoo
group called "building-repeaters ". The idea of this group is for
intelligent & provocative discussions about building repeaters to
happen on this new group without the temper tantrums of the moderators. 

Please feel free to join and tell all your friends about it. When
sending your join request, please say something about ham radio or
repeaters so I know you are not a spammer. 

thanks! Below is a link to the website for the yahoo group. 

http://groups. yahoo.com/ group/building- repeaters/ 



  

Re: [Repeater-Builder] Back up......

[JOHN MACKEY]

Kevin-
thanks for the plug on the new group!!  If it weren't for you, the new group
would never have been started!

Glad to see you decided to turn your list back on. To bad everything got
interrupted for so long because of a really simple issue.

Good luck, Kevin!  Good luck to everyone!

-- Original Message --
Received: Sat, 16 Aug 2008 04:35:38 PM PDT
From: Kevin Custer <[EMAIL PROTECTED]>
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Back up..

> The list is back up.Enjoy!
> _/Please keep it under control./_
> 
> 
> This list is nearly 10 years old.  I have only had to do this one other 
> time.
> Thank you to the good reliable membership that tries to help hold things 
> together.  For the others, I hope you have learned a thing or two.
> 
> Since we were on vacation, some group members thought we weren't going 
> to return (like I'm going to hold back a 4000+ membership !)
> Anyway, you are all invited to join JOHN MACKEY'S new group.  See the 
> details below.
> 
> Regards,
> Kevin Custer
> 
> 
> 
> 
> 
> 
> - Original Message - From: "John Mackey"
> 
> Since the "Repeater-Builder" yahoo group has been shut down with no word 
> of if or when it will be operational, I have started a new yahoo group 
> called "building-repeaters". The idea of this group is for intelligent & 
> provocative discussions about building repeaters to happen on this new 
> group without the temper tantrums of the moderators.
> 
> Please feel free to join and tell all your friends about it. When 
> sending your join request, please say something about ham radio or 
> repeaters so I know you are not a spammer.
> 
> thanks! Below is a link to the website for the yahoo group.
> 
> http://groups.yahoo.com/group/building-repeaters/
> 

RE: [Repeater-Builder] Back up......

[John Transue]

Kevin,

 

Thanks.

 

John Transue

 

-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Kevin Custer
Sent: Saturday, August 16, 2008 7:35 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Back up..

 

The list is back up.Enjoy!
Please keep it under control.


This list is nearly 10 years old.  I have only had to do this one other
time.
Thank you to the good reliable membership that tries to help hold things
together.  For the others, I hope you have learned a thing or two.

Since we were on vacation, some group members thought we weren't going
to return (like I'm going to hold back a 4000+ membership !)
Anyway, you are all invited to join JOHN MACKEY'S new group.  See the
details below.

Regards,
Kevin Custer




  _  



- Original Message - From: "John Mackey" 

Since the "Repeater-Builder" yahoo group has been shut down with no word
of if or when it will be operational, I have started a new yahoo group
called "building-repeaters". The idea of this group is for intelligent &
provocative discussions about building repeaters to happen on this new
group without the temper tantrums of the moderators. 

Please feel free to join and tell all your friends about it. When
sending your join request, please say something about ham radio or
repeaters so I know you are not a spammer. 

thanks! Below is a link to the website for the yahoo group. 

http://groups. 
yahoo.com/group/building-repeaters/ 

 

__ NOD32 3192 (20080616) Information __

This message was checked by NOD32 antivirus system.
http://www.eset.com

RE: [Repeater-Builder] Back up......

[Mung Bungholio]

I have setup a forum for repeater builders.  This is not meant as a
replacement of this group but as an enhancement and a way to have discussion
threads without having to have everyone on the list get a 1000 emails about
stuff they don't care about.  If anyone wants any new forum groups started
let me know.

 

http://sun2.highwayusa.com/repeaterforum/phpBB3/

 

Thanks,

Vern

KI4ONW

Re: [Repeater-Builder] Back up......

[Dave]

Thank you Kevin! I for one am glad it's back!
73
Dave

Re: [Repeater-Builder] back-up battery charging

[Jim Brown]

>There is a simple way to have a reliable backup battery system without a 
>relay.  Try this:
>
>Connect your fused repeater power cable directly to the battery terminals, 
>without any intervening devices.  Connect your power supply to the battery 
>through a single Schottky diode.  Adjust the power supply voltage so that the 
>battery is floated at its optimum voltage, to account for the small forward 
>voltage drop across the Schottky diode.  I use a Schottky diode because its 
>forward voltage drop under load is much smaller than that of a silicon diode 
>and is stable.
>

This is the way I have operated several repeaters for over 5 years.  The only 
difference is the charger for the battery.  I use a standard transformer 
rectifier charger, with no filtering.  The battery provides all the filter 
required.  The main advantage in using the battery charger is that when the 
battery goes completely down, it will not destroy the power supply trying to 
recharge the dead battery.  The battery charger is designed for this type 
service and will bring a dead battery back up to voltage without a charger 
failure.  The diodes in the charger serve to disconnect the charger from the 
battery load when the 115 VAC is not present, so no external diode is necessary.

As Eric points out above, connect the charger and load directly to the battery 
terminals.  I actually connect the load to the wing nut terminals and the 
charger to the battery posts to keep the impedance between the charger and the 
load to a minimum and have no common path for load and charger except for the 
battery itself.


>Unless the repeater operates almost continuously, the power supply does not 
>need to match the current draw of the radio during transmit.  I have a 50 watt 
>base station set up this way that has a 26 Ah VRSLA battery floated by an 
>Astron RS-10 power supply, and it has been 100% reliable through many power 
>outages.
>

I use a charger rated at 10 amps for a load that peaks at 20 amps.  The battery 
supplies the excess current when the repeater is key down and is recharged when 
the repeater is key up.  The filtering effect of the battery keeps the DC with 
minumum ripple even under load.

The Schulembarger (SP?) transformer/diode chargers I use do not provide the 
13.5 VDC float voltage I want with a standard setting on the charger.  The 2 
amp setting provides too low a voltage and the 10 amp setting provides too high 
a voltage.  With 115 VAC on the primary I put the 6 volt secondary of a 115:6 
volt transformer in series with the input voltage to the charger to either add 
or buck the voltage to the charger.  I can set the battery voltage to precisely 
13.5 VDC with the proper combination of add/buck.

With no other electronics in the charger besides the diodes, there is a minimum 
possibility of a problem in the power system, and absolutely no possibility of 
an overvoltage to the equipment should there be a failure.

I take the buck transformer out of the circuit every few months to 'stir' the 
electrolite in the battery to reduce the sulfation of the plates.  I use a 
stardard type 27 deep cycle battery from Wall Mart for the backup and have had 
excellent service for over 5 years in the several repeaters using this scheme.

73 - Jim - W5ZIT





 
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Re: [Repeater-Builder] back-up battery charging

[Lee Williams]

Well,what I came up with is since the Micor supplies arent 
adjustable,was two silicon diodes in the charging circuit. Drops it to 
13.5v  then added a contactor,normally closed,with a 125vac coil to 
connect direct to the batteries during an outage. I will post the 
results once implemented.   73,Lee

Eric Lemmon wrote:
> There is a simple way to have a reliable backup battery system without a 
> relay.  Try this:
>
> Connect your fused repeater power cable directly to the battery terminals, 
> without any intervening devices.  Connect your power supply to the battery 
> through a single Schottky diode.  Adjust the power supply voltage so that the 
> battery is floated at its optimum voltage, to account for the small forward 
> voltage drop across the Schottky diode.  I use a Schottky diode because its 
> forward voltage drop under load is much smaller than that of a silicon diode 
> and is stable.
>
> The diode is needed because some power supplies have a tendency to go into a 
> "crowbar shutdown" mode if the AC input goes away (as during a power failure) 
> while a DC voltage is maintained at its output by a battery.  Such an event 
> will blow fuses and will almost certainly shut down the repeater.
>
> Unless the repeater operates almost continuously, the power supply does not 
> need to match the current draw of the radio during transmit.  I have a 50 
> watt base station set up this way that has a 26 Ah VRSLA battery floated by 
> an Astron RS-10 power supply, and it has been 100% reliable through many 
> power outages.
>
> I used an International Rectifier #122NQ030R diode, simply because it was 
> easy to mount on a copper bar that is bolted to the positive terminal of the 
> power supply.  The "R" in the part number indicates reverse polarity, meaning 
> that the diode terminal screw is the cathode, which is convenient for 
> attaching the load wire.  Here's the datasheet:
> http://www.irf.com/product-info/datasheets/data/122nq030.pdf
>
> 73, Eric Lemmon WB6FLY
>
>
>
>   
>   




 
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RE: [Repeater-Builder] back-up battery charging

[Eric Lemmon]

There is a simple way to have a reliable backup battery system without a relay. 
 Try this:

Connect your fused repeater power cable directly to the battery terminals, 
without any intervening devices.  Connect your power supply to the battery 
through a single Schottky diode.  Adjust the power supply voltage so that the 
battery is floated at its optimum voltage, to account for the small forward 
voltage drop across the Schottky diode.  I use a Schottky diode because its 
forward voltage drop under load is much smaller than that of a silicon diode 
and is stable.

The diode is needed because some power supplies have a tendency to go into a 
"crowbar shutdown" mode if the AC input goes away (as during a power failure) 
while a DC voltage is maintained at its output by a battery.  Such an event 
will blow fuses and will almost certainly shut down the repeater.

Unless the repeater operates almost continuously, the power supply does not 
need to match the current draw of the radio during transmit.  I have a 50 watt 
base station set up this way that has a 26 Ah VRSLA battery floated by an 
Astron RS-10 power supply, and it has been 100% reliable through many power 
outages.

I used an International Rectifier #122NQ030R diode, simply because it was easy 
to mount on a copper bar that is bolted to the positive terminal of the power 
supply.  The "R" in the part number indicates reverse polarity, meaning that 
the diode terminal screw is the cathode, which is convenient for attaching the 
load wire.  Here's the datasheet:
http://www.irf.com/product-info/datasheets/data/122nq030.pdf

73, Eric Lemmon WB6FLY


At 09:18 PM 04/18/06, you wrote:
>Captainlance <[EMAIL PROTECTED]> wrote:
>
>What would be the next best charger, if one 
>doesn’t have a  Micor Power Supply with the 
>battery charger or our Micor Power Supplies don’t have the battery charger ?
>
>73’s,
>JimKh6jkg






 
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Re: [Repeater-Builder] back-up battery charging

[norsou21]

They claim 40 amps. I have one but have only drawn about 20 amps thru
it. No problems..



[EMAIL PROTECTED] wrote:

Is it capable of carrying 30 amperes or so? 

  Neil - WA6KLA 

 Original Message 
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] back-up battery charging
Date: Tue, 18 Apr 2006 01:11:01 EDT

  
  
Also look at west mountain the rigblaster people. They have a nice
charge  
controller that will switch over to back up batteries if you loose
power to your 
13.8 v supply. I have used one at my base station for six months. It
works 
great with wet or gell cells. KB1CHU

  
  





 
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Re: [Repeater-Builder] back-up battery charging

[Mike Morris]

At 09:18 PM 04/18/06, you wrote:
>Captainlance <[EMAIL PROTECTED]> wrote:
>
>What would be the next best charger, if one 
>doesn’t have a  Micor Power Supply with the 
>battery charger or our Micor Power Supplies don’t have the battery charger ?
>
>73’s,
>JimKh6jkg.

Find a real battery charger like was used at a Telco central office
and use it - it was made for the job, and made to survive with next
to no maintenance for years.  And have a contactor that is driven
by failure of the AC mains to switch the repeater from the output of
the Micor supply over to the battery bank.

Mike WA6ILQ





 
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Re: [Repeater-Builder] back-up battery charging

[kh6jkg]

Captainlance <[EMAIL PROTECTED]> wrote:

>Yes, the battery charge units have a big cast aluminum heat sink on the 
>chassis.
>- Original Message - 
>From: "Lee Williams" <[EMAIL PROTECTED]>
>To: 
>Sent: Tuesday, April 18, 2006 5:05 PM
>Subject: Re: [Repeater-Builder] back-up battery charging
>
>
>>I will have to check the p/n,but dont think they have the battery
>> option. Is there any obvious difference in the appearance of the battery
>> specific units? I will also look for the pot to turn these babys down,
>> getting tired of cooking batteriesthanks to all,73,Lee
>>
>> [EMAIL PROTECTED] wrote:
>>>   If the Micor Power Supplies are either TPN1105A or TPN1106A yes,
>>>  the outputs are adjustable -
>>>
>>>   If not those model numbers, no, they can't be adjusted for
>>>  specific battery charging.
>>>
>>>   BTW, there are seven specific Micor Power Supplies by model number.
>>>
>>>   The two mentioned above, TPN1151A, TPN1152A, TPN1110A, TPN1110B
>>>  and the 12 VDC only version (I don't have the model number handy.)
>>>
>>>   Hope this helps,
>>>   Neil - WA6KLA

What would be the next best charger, if one doesn’t have a  Micor Power Supply 
with the battery charger or our Micor Power Supplies don’t have the battery 
charger ?

73’s,
JimKh6jkg.


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Re: [Repeater-Builder] back-up battery charging

[Captainlance]

Yes, the battery charge units have a big cast aluminum heat sink on the 
chassis.
- Original Message - 
From: "Lee Williams" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, April 18, 2006 5:05 PM
Subject: Re: [Repeater-Builder] back-up battery charging


>I will have to check the p/n,but dont think they have the battery
> option. Is there any obvious difference in the appearance of the battery
> specific units? I will also look for the pot to turn these babys down,
> getting tired of cooking batteriesthanks to all,73,Lee
>
> [EMAIL PROTECTED] wrote:
>>   If the Micor Power Supplies are either TPN1105A or TPN1106A yes,
>>  the outputs are adjustable -
>>
>>   If not those model numbers, no, they can't be adjusted for
>>  specific battery charging.
>>
>>   BTW, there are seven specific Micor Power Supplies by model number.
>>
>>   The two mentioned above, TPN1151A, TPN1152A, TPN1110A, TPN1110B
>>  and the 12 VDC only version (I don't have the model number handy.)
>>
>>   Hope this helps,
>>
>>   Neil - WA6KLA
>>
>>
>>
>>
>>
>>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
> 






 
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Re: [Repeater-Builder] back-up battery charging

[Lee Williams]

I will have to check the p/n,but dont think they have the battery 
option. Is there any obvious difference in the appearance of the battery 
specific units? I will also look for the pot to turn these babys down, 
getting tired of cooking batteriesthanks to all,73,Lee

[EMAIL PROTECTED] wrote:
>   If the Micor Power Supplies are either TPN1105A or TPN1106A yes, 
>  the outputs are adjustable - 
>
>   If not those model numbers, no, they can't be adjusted for 
>  specific battery charging. 
>
>   BTW, there are seven specific Micor Power Supplies by model number. 
>
>   The two mentioned above, TPN1151A, TPN1152A, TPN1110A, TPN1110B 
>  and the 12 VDC only version (I don't have the model number handy.) 
>
>   Hope this helps, 
>
>   Neil - WA6KLA 
>
>
>
>
>   
>   




 
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Re: [Repeater-Builder] back-up battery charging

[kb1chu]

here are the specs from the website  


  
  
Specifications
  
Maximum Voltage:
18 Volts DC
  
Maximum Current:
40 Amperes
  
Circuit:
Diode OR-Gate
  
Diodes:
Two Schottky 80 Ampere, 20 Volt
  
Voltage Drop:
0.25 Vdc at 1 Ampere0.5 Vdc at 40 Ampere
  
Charging Circuit:
Charging regulator ICField Effect Pass TransistorSchottky 
  DiodeFuse switched for 1,4,7 or 10 Amperes (±5%) maximumPeak 
  voltage limit: 13.8 (Gelled), 14.2 (AGM),(±2%)Peak voltage limit set 
  via internal jumper to GELLED or AGMPeak voltage terminate point: 0.1 
  Maximum currentFloat Voltage: 13.5 volts (±2%) 
  
LEDs:
Green - Indicates charger is "ON"Red - Indicates peak "PK" charge 
  voltageYellow - Indicates Float "FL" voltage
  
Connectors:
Anderson Powerpoles, 40A
  
Size:
5.25 x 3.90 x 1.65 in, 13.4 x 9.9 x 4.2 cm
  
Weight:
0.9 lbs, 0.4 kg
  
Mounting Holes::
Two, 0.175 in. d, at a distance 4.875 in., for #8 
  hardware

  
  

  













  




  
  
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RE: [Repeater-Builder] back-up battery charging

[Mike Perryman]

Lee,
Later in this thread the WestMountain charge controller is referenced...
but.. I wanted to address your question directly.

I have been using a Xantrex C-35 solar charge controller (smart 4 level
charge controller) And 2 pair of big-honkin' diodes to accomplish the same
thing.  The diodes were directional control of current, and the charge is
routed through the Xantrex. While the repeater supply by-passed the
Xantrex..  (does that make sense to anyone?)  Both sides of the house are
one-way only through implementation of the big diodes...

As I mentioned before..  this was "cooked-up" prior to the WestMountain
controller.  I glanced at their product, and still need to research it a bit
further..  but for the price it is much cheaper than my Xantrex C-35
"cluge".
And quite elegant as well..  maybe I will be able to reclaim my solar
controller for little expenditure  :-)

Just my 2 cents worth..
 73
Mike Perryman
www.k5jmp.us



-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Lee Williams
Sent: Monday, April 17, 2006 10:52 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] back-up battery charging


I am now in charge of some club repeater sites which use the standard
Micor power supply. These have back-up batteries on them which are being
boiled dry by the 14.9V the power supply delivers,these supplies are not
the battery back-up versions. I am looking for a good solution to solve
this problem,maybe someone else has been there,done that??? Are there
adjustments to set the voltage on these beasts?  I thought about a
relay,some big diodes,but it looks ugly... 73,Lee





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Re: [Repeater-Builder] back-up battery charging

[n . mckie]

  Good description Lance ... and R1091 is correct. 

  Neil - WA6KLA 

 Original Message 
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] back-up battery charging
Date: Tue, 18 Apr 2006 10:36:54 -0400

>Hello,
>I have several of these Micor repeaters with the TPN1105/6 battery
>charger 
>supplies running and have the solution to your problem. First, the
>factory 
>set the charge voltage at 14.25 volts since as standard equipment
>they 
>supplied NICAD batteries for backup. Naturally, this is way to high
>for 
>lead/acid. SO, all you need to do is open up the large steel plate on
> the 
>backside of the power supply and locate the Voltage adjust pot on the
>large 
>PC board, I thik it is R1091... then, without any batteries on line,
>adjust 
>to 13.2 volts. from the 14.25. Hook your batteries back up and you
>are good 
>to go!. The slide switch on the PS should be left in "FLOAT"
>position, if 
>switched to  "EQUALIZE"  it will add +1 Volt making 14.2, this is to
>allow 
>for quicker recharge after a battery power event, and should be reset
>after 
>24 hours to float.
>Hope this all helps you.
>Lance  N2HBA
>- Original Message ----- 
>From: <[EMAIL PROTECTED]>
>To: 
>Sent: Tuesday, April 18, 2006 10:16 AM
>Subject: RE: [Repeater-Builder] back-up battery charging
>
>
>>
>>  If the Micor Power Supplies are either TPN1105A or TPN1106A yes,
>> the outputs are adjustable -
>>
>>  If not those model numbers, no, they can't be adjusted for
>> specific battery charging.
>>
>>  BTW, there are seven specific Micor Power Supplies by model
>number.
>>
>>  The two mentioned above, TPN1151A, TPN1152A, TPN1110A, TPN1110B
>> and the 12 VDC only version (I don't have the model number handy.)
>>
>>  Hope this helps,
>>
>>  Neil - WA6KLA
>>
>>
>>
>>  Original Message 
>> From: [EMAIL PROTECTED]
>> To: Repeater-Builder@yahoogroups.com
>> Subject: RE: [Repeater-Builder] back-up battery charging
>> Date: Mon, 17 Apr 2006 22:51:56 -0400
>>
>>>I am now in charge of some club repeater sites which use the
>>>standard Micor power supply. These have back-up batteries on them
>> which are
>>>being
>>>boiled dry by the 14.9V the power supply delivers,these supplies
>are
>>>not
>>>the battery back-up versions. I am looking for a good solution to
>>>solve
>>>this problem,maybe someone else has been there,done that??? Are
>there
>>>
>>>adjustments to set the voltage on these beasts?  I thought about a
>>>relay,some big diodes,but it looks ugly... 73,Lee
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>> Yahoo! Groups Links
>>
>>
>>
>>
>>
>>
>> 
>
>
>
>
>
>
> 
>Yahoo! Groups Links
>
>
>
> 
>
>






 
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Re: [Repeater-Builder] back-up battery charging

[n . mckie]

  Is it capable of carrying 30 amperes or so? 

  Neil - WA6KLA 

 Original Message 
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] back-up battery charging
Date: Tue, 18 Apr 2006 01:11:01 EDT

>Also look at west mountain the rigblaster people. They have a nice
>charge  
>controller that will switch over to back up batteries if you loose
>power to your 
> 13.8 v supply. I have used one at my base station for six months. It
> works 
>great with wet or gell cells. KB1CHU






 
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Re: [Repeater-Builder] back-up battery charging

[Captainlance]

Hello,
I have several of these Micor repeaters with the TPN1105/6 battery charger 
supplies running and have the solution to your problem. First, the factory 
set the charge voltage at 14.25 volts since as standard equipment they 
supplied NICAD batteries for backup. Naturally, this is way to high for 
lead/acid. SO, all you need to do is open up the large steel plate on  the 
backside of the power supply and locate the Voltage adjust pot on the large 
PC board, I thik it is R1091... then, without any batteries on line, adjust 
to 13.2 volts. from the 14.25. Hook your batteries back up and you are good 
to go!. The slide switch on the PS should be left in "FLOAT" position, if 
switched to  "EQUALIZE"  it will add +1 Volt making 14.2, this is to allow 
for quicker recharge after a battery power event, and should be reset after 
24 hours to float.
Hope this all helps you.
Lance  N2HBA
- Original Message - 
From: <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, April 18, 2006 10:16 AM
Subject: RE: [Repeater-Builder] back-up battery charging


>
>  If the Micor Power Supplies are either TPN1105A or TPN1106A yes,
> the outputs are adjustable -
>
>  If not those model numbers, no, they can't be adjusted for
> specific battery charging.
>
>  BTW, there are seven specific Micor Power Supplies by model number.
>
>  The two mentioned above, TPN1151A, TPN1152A, TPN1110A, TPN1110B
> and the 12 VDC only version (I don't have the model number handy.)
>
>  Hope this helps,
>
>  Neil - WA6KLA
>
>
>
>  Original Message ----
> From: [EMAIL PROTECTED]
> To: Repeater-Builder@yahoogroups.com
> Subject: RE: [Repeater-Builder] back-up battery charging
> Date: Mon, 17 Apr 2006 22:51:56 -0400
>
>>I am now in charge of some club repeater sites which use the
>>standard Micor power supply. These have back-up batteries on them
> which are
>>being
>>boiled dry by the 14.9V the power supply delivers,these supplies are
>>not
>>the battery back-up versions. I am looking for a good solution to
>>solve
>>this problem,maybe someone else has been there,done that??? Are there
>>
>>adjustments to set the voltage on these beasts?  I thought about a
>>relay,some big diodes,but it looks ugly... 73,Lee
>>
>>
>>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
> 






 
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RE: [Repeater-Builder] back-up battery charging

[n . mckie]

  If the Micor Power Supplies are either TPN1105A or TPN1106A yes, 
 the outputs are adjustable - 

  If not those model numbers, no, they can't be adjusted for 
 specific battery charging. 

  BTW, there are seven specific Micor Power Supplies by model number. 

  The two mentioned above, TPN1151A, TPN1152A, TPN1110A, TPN1110B 
 and the 12 VDC only version (I don't have the model number handy.) 

  Hope this helps, 

  Neil - WA6KLA 



 Original Message 
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] back-up battery charging
Date: Mon, 17 Apr 2006 22:51:56 -0400

>I am now in charge of some club repeater sites which use the 
>standard Micor power supply. These have back-up batteries on them
which are
>being 
>boiled dry by the 14.9V the power supply delivers,these supplies are
>not 
>the battery back-up versions. I am looking for a good solution to
>solve 
>this problem,maybe someone else has been there,done that??? Are there
>
>adjustments to set the voltage on these beasts?  I thought about a 
>relay,some big diodes,but it looks ugly... 73,Lee
>
>
>





 
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Re: [Repeater-Builder] back-up battery charging

[kb1chu]

Also look at west mountain the rigblaster people. They have a nice charge 
controller that will switch over to back up batteries if you loose power to your 
13.8 v supply. I have used one at my base station for six months. It 
works great with wet or gell cells. KB1CHU













  




  
  
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Re: [Repeater-Builder] back-up battery charging

[DCFluX]

Do not use off the shelf battery chargers, commonly found at Wal-Mart.
These are SMPS conviently located with a 600kHz operating frequency.

Try an LM-317 set as a constant current regulator to trickle the
battery with C/100, Say 1 Amp for a typical Deep Cycle marine battery.
A common wall wart should be able to be modified for this purpose
nicely.

Then I would use a 120V coil relay with 20A contact to switch to the
battery on AC loss, and a big 68,000uF Cap on the line going off to
the repeater to sustain DC during relay switch time.

On 4/17/06, Lee Williams <[EMAIL PROTECTED]> wrote:
> I am now in charge of some club repeater sites which use the standard
> Micor power supply. These have back-up batteries on them which are being
> boiled dry by the 14.9V the power supply delivers,these supplies are not
> the battery back-up versions. I am looking for a good solution to solve
> this problem,maybe someone else has been there,done that??? Are there
> adjustments to set the voltage on these beasts?  I thought about a
> relay,some big diodes,but it looks ugly... 73,Lee
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>




 
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Re: [Repeater-Builder] Back up battery

[Ray Brown]

- Original Message - 
From: "Eric Lemmon" <[EMAIL PROTECTED]>

> That's a very good price.  Another possibility is to get year-old 12V
> 26Ah SLA batteries free from your local hospital.  It must be a law that
> portable X-ray, cardiac defibrillator, and dialysis machines must have
> their batteries changed out every year.  Check with the Operations
> Manager at your local hospital.

  Not necessarily a law, just following the mfgr. guidelines...Some devices
are strongly recommended to change out the batteries every 2 years.
But yeah, find your local hospital's biomed or clinical engineering folks,
and you'll be in batteries for life. :-)

  The big winner will be getting the batteries from a GE AMX-4 portable
x-ray machine, which uses *9* 22ah 12v batteries, and all 9 are replaced
at once or the machine doesn't recalibrate well. But I digress. :-)

_Ray_KBØSTN








 
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Re: [Repeater-Builder] Back up battery

[Eric Lemmon]

David,

That's a very good price.  Another possibility is to get year-old 12V
26Ah SLA batteries free from your local hospital.  It must be a law that
portable X-ray, cardiac defibrillator, and dialysis machines must have
their batteries changed out every year.  Check with the Operations
Manager at your local hospital.

73, Eric Lemmon WB6FLY

drwoolweaver wrote:
> 
Anyone have experience with gel cell batteries made for the popular
electric scooters?  I found a 12VDC 12Ah deep discharge battery for
$16.50 shipped. Comments?  de David




 
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Re: [Repeater-Builder] Back up battery

[Cecil Ferguson]

Fine response, Rick, but why not go to < www.batterystuff.com/> and
take a look at their offerings, prices.  Also, while there, take a look at
their tutorial, you may appreciate it.

73
Gene, W4FWG
*

Rick - VA3RZS/Charlotte - VA3CMR wrote:

  I use 12 volt 32AH (lead acid)batts from the scooter and thay work 
great thay are sealed so no probs with spills 

go to your local bat shop and ask them I got mine for $100 
if you don't tell them you are not use'n them for a scooter thay 
should not charge you tax 

Rick

On 27 Dec 2004 at 13:36, drwoolweaver wrote:

  
  

Anyone have experience with gel cell batteries made for the popular
electric scooters? I found a 12VDC 12aH deep discharge battery for
$16.50 shipped. Comments?  de David 








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Checked by AVG Anti-Virus.
Version: 7.0.298 / Virus Database: 265.6.5 - Release Date: 12/26/2004


  
  
.
-.

Rick Szajkowski VA3 RZS
Charlotte Darby VA3 CMR
Node Owners of IRLP Node 2120
Peterborough Ont Canada




  
















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Re: [Repeater-Builder] Back up battery

[Rick - VA3RZS/Charlotte - VA3CMR]

I use 12 volt 32AH (lead acid)batts from the scooter and thay work 
great thay are sealed so no probs with spills 

go to your local bat shop and ask them I got mine for $100 
if you don't tell them you are not use'n them for a scooter thay 
should not charge you tax 

Rick

On 27 Dec 2004 at 13:36, drwoolweaver wrote:

> 
> 
> Anyone have experience with gel cell batteries made for the popular
> electric scooters? I found a 12VDC 12aH deep discharge battery for
> $16.50 shipped. Comments?  de David 
> 
> 
> 
> 
> 
> 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> 
> 
> -- 
> No virus found in this incoming message.
> Checked by AVG Anti-Virus.
> Version: 7.0.298 / Virus Database: 265.6.5 - Release Date: 12/26/2004
> 

.
-.

Rick Szajkowski VA3 RZS
Charlotte Darby VA3 CMR
Node Owners of IRLP Node 2120
Peterborough Ont Canada




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Version: 7.0.298 / Virus Database: 265.6.5 - Release Date: 12/26/2004





 
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