Re: [Repeater-Builder] Motorola TPN1106A Pwr Supply
Don, I believe that you have an Option C28 Power Supply / Battery Charger with the C29 "battery Protection & Alarm" option. Before you go further, you should purchase the manual #6881104E92 from Motorola for about $8. The TPN1106A Power Supply differs from previous linear models in that it is a switching power supply. It is more efficient than a linear supply, and it produces no audible hum. The wires you mentioned are part of the C29 option. A brown-black and a black wire go to a normally-closed relay that shuts down the radio when the battery voltage drops to a certain point where damage can occur. The blue wire is an audio tone feed that connects to pin 22 on the F1 or F1-PL control module. This causes a tone to be heard over the air when the radio is on backup battery power. Most of the early MICOR radios that included the battery backup option used ten large (80 to 100 AH) nickel cadmium wet cells, and the power supply was adjusted to 14.25 VDC in the Float position of the switch. If lead-acid batteries were used, an internal pot had to be adjusted to 13.0 VDC in the float position. When a modern deep-cycle sealed lead acid battery is used, the pot should be adjusted to maintain the float voltage specified by the battery manufacturer. The equalize position raises the voltage by about one volt, and is used only with wet-cell nicad or lead acid batteries, but never with SLA batteries. When you get you copy of the manual, make note of the fact that SMR-4945 changed the value of a zener diode to improve the reliability of the TPN1106A power supply, and you probably should make that change. 73, Eric Lemmon WB6FLY ka9qjg1 wrote: > > Can someone Please ID What the Wires coming out of the > Motorola Micor > TPN1106A > > 3 wires coming out by the 13.8 Amp terminal. and their > use > > 1 Small 2 Ft Black > 1 Small 2 Ft. Brn/Blk > 1 Larger Blue Shielded with a push on lug > > I Have a another Power supply like this and it don't have > this This, >one has the wires with the plug > that gos on the Bottom of the Micor Backplane. > > What is the Switch Equalize and Float for If I was not > using a > battery backup ? > also the Pot marked Tone Lvl > > if I decide to use the Backup is it safe to use a Battery > setting in > the bottom of a 6 Ft rack > inside the Radio Room at home . > > Thanks Don KA9QJG > > > Yahoo! Groups Links > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Motorola TPN1106A Pwr Supply
ka9qjg1 wrote: > > Can someone Please ID What the Wires coming out of the > Motorola Micor TPN1106A 3 wires coming out by the 13.8 Amp > terminal. and their use > >1 Small 2 Ft Black >1 Small 2 Ft. Brn/Blk These would normally go to the external low voltage drop-out relay. The relay de-energizes if the external battery voltage drops below a prescribed setting. >1 Larger Blue Shielded with a push on lug Goes to the back plane of the control shelf mother board. A short repeated beep is heard on the transmitter carrier when the the AC utility power is interrupted. This serves as a warning to the radio system users that the radio is operating on battery power. > I Have a another Power supply like this and it don't > have this This, one has the wires with the plug that gos > on the Bottom of the Micor Backplane. Yup, supplies 13V and 9.6V power to the mother board. > What is the Switch Equalize and Float for If I was not using > a battery backup ? Is there to keep your mind occupied whenever you visit the radio site. (Otherwise is not used.) > also the Pot marked Tone Lvl The Pot is the intermittent alert tone level control. > if I decide to use the Backup is it safe to use a Battery > setting in the bottom of a 6 Ft rack inside the Radio Room > at home . Just keep the battery well ventilated. > Thanks Don KA9QJG Thanks Don KA9QJG, Neil - WA6KLA Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
Re: [Repeater-Builder] Motorola TPN1106A Pwr Supply
The only batteries that are safe for indoor use are sealed type batteries. (Gel Cell) We use 2 100AH Gel Cell batteries in the bottom of the equipment racks that house the VE7RPA and an service rack I have in my shop. Vented rechargable(lead/acid) batteries emit hydrogen gas when they are being charged and represent a significant explosion risk. These batteries must be in a (sealed to the inside) enclosure that is vented outside. Photos of the VE7RPA installation are at: http://ve7ku.dyndns.org/ve7rpa The "Float - Equalize" switch shifts the regulated voltage output on the heavy current output up and down. In the 1106 manual the "Float" position the voltage is set at 13.0 volts and in "Equalize" the setting is 14.0 volts. These voltages are for Lead Acid Batteries. The Tone Pot is an alert tone for low battery voltage. It is only present if the power supply has the "C29" option for Battery protection and Alarm. Ted, VE7TFM IRLP Node 1120 - Original Message - From: "ka9qjg1" <[EMAIL PROTECTED]> To: Sent: Wednesday, February 11, 2004 10:54 AM Subject: [Repeater-Builder] Motorola TPN1106A Pwr Supply > Can someone Please ID What the Wires coming out of the Motorola Micor > TPN1106A > > 3 wires coming out by the 13.8 Amp terminal. and their use > > 1 Small 2 Ft Black > 1 Small 2 Ft. Brn/Blk > 1 Larger Blue Shielded with a push on lug > > I Have a another Power supply like this and it don't have this This, >one has the wires with the plug > that gos on the Bottom of the Micor Backplane. > > What is the Switch Equalize and Float for If I was not using a > battery backup ? > also the Pot marked Tone Lvl > > if I decide to use the Backup is it safe to use a Battery setting in > the bottom of a 6 Ft rack > inside the Radio Room at home . > > Thanks Don KA9QJG > > > > > > > Yahoo! Groups Links > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
