[RE-wrenches] Optics RE with two hubs.

Tue May 10 14:27:10 PDT 2016

The Flex net DC can be used with up to three shunts.
It will give individual shunt information as well as overall total of the three.
The actual labels do not matter other than easy identification.
But if you do want to label them it is done in the Configuration Wizard
I would recommend installing the FNDC on the Mate3/Hub combination used with the inverters.
It is nice to have SOC, Dc Voltage and Battery Temperature viewed with the inverters.

Do I really need the PV shunt?

Yes for the FNDC to be accurate all paths into and out of the batteries must go through a shunt.

I can’t seem to find the screen where you label the charge controllers.

The Mate3 with the charge controllers will label them as Port 1-10.
You can assign a name to a shunt you cannot assign a name to a charge controller.

Each Mate has its own Mac address put both Mates under the same site name.

Just to clarify OutBack usually uses a 500 amp 50mv shunt.
500/ .05 = 10,000 to 1 ratio
It is possible to use a 1000A 100mv shunt
The 10,000 to 1 ratio is the same.
This can help with larger systems.
I apologize for the piece meal response.
There are several questions here that had to be dealt with individually.
I hope this helps.
Take Care

Lones Tuss
Applications Engineer
OutBack Power Technologies
17825 59th Ave NE, Suite B, Arlington, WA 98223
360.618.4383 Office | 425.213.8794 Cell
www.outbackpower.com<http://www.outbackpower.com/>

From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Jay
Sent: Tuesday, May 03, 2016 9:22 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Optics RE with two hubs.

Nope doesn't care.
You could have 1 shunt or 3.
You just get to monitor the 3 shunts.
The m3 display uses comm from the cc

Jay

Sent from my iPhone

On May 3, 2016, at 8:44 AM, William Miller <william at millersolar.com<mailto:william at millersolar.com>> wrote:
Jay:

Thanks for the reply. I meant label the shunts. Doesn't the FNDC need to differentiate between PV charge and inverter charge?

William

On May 3, 2016, at 7:18 AM, Jay <jay.peltz at gmail.com<mailto:jay.peltz at gmail.com>> wrote:
Hi William,

Yes you need the shunt for PV the FNDC to read correctly

I'm not sure exactly what you mean about labeling the cc?
The FNDC doesn't care what each shunt does. Cc, inverter DC loads etc, if that's what you mean

Jay
Peltz power.

On May 3, 2016, at 12:10 AM, William Miller <william at millersolar.com<mailto:william at millersolar.com>> wrote:
Friends:

I am setting up an Optics RE system with a system that has 8 FX inverters and 3 charge controllers.  I installed two Mate3s and a Flexnet-DC.  I need two shunts for the Inverters because 4 are connected in one DC1000 and 4 in the other.  I installed a third shunt for the PV.

The inverter Mate3 and Flexnet connects into one 10 port hub and the PV Mate3 connects into another hub with the charge controllers.

Do I really need the PV shunt?  How is the Flexnet processing charge current if it does not know there are charge controllers?

I can’t seem to find the screen where you label the charge controllers.  I am used to setting these up with Radians.  Am I missing something?

Any help is appreciates. Because when I posed this question to Outback and got the audible equivalent to a blank stare:

Thanks in advance,

William Miller

<image003.jpg>
Lic 773985
millersolar.com<http://www.millersolar.com/>
805-438-5600

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