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Hi, I currently use a 12V Sealed Lead Acid battery and Tunze safety connector to provide a battery backup for my Tunze pumps...after having my PIII PSU fail whilst on holiday, I wondered if there is a way to provide battery backup to to my PIII without the use of a UPS? Regards, Andy
Just me looking to do this then?
Connecting a ups is the only option available for the P3.
Hi Vinny, but if the PSU fails (like mine did) the UPS won't help...Is there battery backup for the P4?
The P4 includes a power monitoring port which allows you to connect a back up power source.
HI Vinny, that's interesting, can you provide any more information about the power monitoring port please?Quote:
Originally Posted by Vinny
With the Power Monitoring port, you simply plug in a 5V-12V power supply with 3.5mm plug which gets its power from the AC socket you want to monitor.
P4 recognizes when the voltage on the line monitor port drops, which means that the AC socket has no power also.
In case of a power loss, the backup is enabled and the P4 can be set to:
- switch certain sockets off
- change voltage of 1-10V interfaces
- change pump speed
Hope that we can do the same on the profiler 3 by assigning a digital input
Ok, I'm revisiting this as I still have a PIII...so, the Tunze Safety connector basically has two inputs, one from the Tunze Pump PSU DC and the other from the 12V Battery, the output is a single DC connector that connects to the DC input on the pump....in the event that the PSU fails or mains fails the battery takes over - i can't see why this won't work for the PIII? @ GHL, I'm not asking you to support this as my PIII is old but thoughts please?
Hi Vinni,
please tell me if I understood correctly: the Monitoring Port is a kind of backup PSU. When it fails P4 will notice that and switch to the "standard" PSU. Provided that the "standard" PSU gets power from the outlet.
One way to keep the P3 running is by connecting it and any critical components to a battery back up. In case of an outage, only the P3 and important pieces of equipment will remain on.
Hi Harry,
Yes that is correct. In case of an outage, the P4 will begin drawing power from the battery backup and initiate an emergency program which will help conserve battery power.
Hi Vinny, I think there may be a slight misunderstanding of what I'm asking. Just for clarity and leaving out anything connected to the PIII such as Plugbars etc, I'm aware that one option to keep the PIII running when mains power is lost is to connect the PIII PSU to a UPS outlet. There are two downsides to that approach, the UPS is inefficient, it uses AC to charge a DC battery which it then changes back to AC - the PIII is DC and it's PSU then changes this back to DC again! Secondly, if the PIII PSU itself fails (as mine did) the PIII will power off regardless of the UPS.Quote:
Originally Posted by Vinny
My thoughts are to adapt a Tunze Safety Connector so that it can be used to provide a AC>DC 12V input from the PIII PSU AND a 12V DC input from a Sealed Lead Acid Battery (in exactly the same way that I do for my DC Tunze Pumps) to provide one input into the PIII - this way if either the mains supply OR the PIII PSU itself fail, 12V DC will be supplied directly to the PIII - does that make sense? Thanks, Andy
I'm interested in this as well. My p3 is connected to a ups, along with my WiFi bridge. I set it to email me if it loses connection to my pab powerbar (power outage) but I want to know if I can use a program logic to turn down my dc return pump. This pump is connected to a 12v battery and Ac power fine but it runs at whatever speed the 1/10v line tells it as though it's still on Ac.
My normal programming is 3v all day with a feed pause of 1v twice a day that essentially turns off the flow. My pump is oversized jebao dcp 8000. When it runs on 12v power outage the flow goes 3v and 1v of 12v. Pump is normally 36v dc. Anyway to control the 12v speed and the 240v speed separately?
Essentially use the pab powerbar as power monitoring and tell the p3 to run a battery saver program?
Hi...i am a new user here. In my case the Tunze Safety connector basically has two inputs, one from the Tunze Pump PSU DC and the other from the 12V Battery, the output is a single DC connector that connects to the DC input on the pump.In the event that the PSU fails or mains fails the battery takes over, i can't see why this won't work for the PIII?
china pcb assembly
Still looking for a way to use no communication from pab in a program. Is this possible?