Power One AURORA User manual

AuroraUniversalInstallationGuide

Power‐OneAuroraInverters

This installation document covers all details for installing the Aurora Universal System hardware

work

directly

with

the

Power-One

Aurora

inverter(s)

. The Fat

Spaniel

Technologies

(FST)

Management

System within the Aurora Universal System collects and analyzes

energy

generation

and

usage

data for your Aurora inverter(s). Once the hardware is installed, you will need to login to

the FST Partner Portal website to verify the internet is connected properly and verify that the data in

being received.

AuroraUniversalInstallationOverview

Power Supply and

Meter Assembly

Data Logger

DIN Rail

DB9 Adapter

LAN Ports

Select Location and Mount the Aurora Universal Enclosure

Make Power and Instrument Connections to the DIN Rail

Make Connections to Devices to be Monitored and the Internet

Verify and Validate the Installation via the Internet

RS485 Connections

Data Logger Power

Power Connector Block CT Connector Block

Power Connector Block

Installation Steps

EquipmentandSupplies

Wesupply:Yousupply:

AuroraUniversalSystem,whichincludes:

FatSpanielDataLoggerwithDB9adaptercard(s)

PowerSupply/MeterAssembly(Meteroptional)

DINRailConnectorBlock

Accountname/Passwordforaccesstoinverterdata

Power‐OneAuroraInverter(s)

MountingHardware,includingcabletiesandconduit

120Vwalloutletor120/230/208/240Vaccircuitpower

RS45Signalcablefrominvertertodatalogger

Straight‐throughCAT‐5NetworkcabletoLANportor

aCellularRouter

SiteSelectionandMounting

SiteLocationPlanning

Site selection depends on how many inverters you are connecting to the Aurora Universal and if

other devices are being connected to the system. For multiple inverters, inverters are “daisy-chained”

together using twisted pair signal cable with the first inverter in the chain connected to the Aurora

Universal. The Aurora Universal is connected to the internet using CAT-5 or CAT-5 compatible

cabling.

For sites with multiple inverters or long distances between interconnections, if may be useful to draw

a map of site installation, so you are sure the selected site is appropriate.

The internet connection is only limited by the typical restraints and conditions that apply to any data

network, as long as the router connected to the Data Logger is reachable over a public network. The

internet connection point may be a router or switch that is connected to a public network. It may also

be a cellular router affixed within the Aurora Universal enclosure or a cellular router shared by

multiple Aurora Universal systems.

If connecting other inverters/device types to the Aurora Universal System such as an environmental

measurement system, these devices must be connected through the secondary DB9 adapter card.

CablingRequirements

Below are the rules regarding cable lengths:

• Maximum 100 m (300 ft) between Aurora Universal and the internet connection point (LAN)

• Maximum 1,000 m (3,000 ft) between Aurora Universal and the last inverter

• Maximum 1,000 m (3,000 ft) between Aurora Inverters

• Maximum 1200 m (4,000 ft) overall length of daisy-chained inverters

RS45 signal wiring between inverters is low-voltage wiring and should be shielded from electrical

interference, such as high voltage wires or fluorescent light ballasts.

For connection between the Data Logger and the internet, ordinary straight through CAT-5 cable

works for most applications. However, ordinary CAT-5 is low-voltage wiring and should be shielded

from electrical interference. If outdoor exposure or proximity to a noise source is a concern, Power-

One recommends:

• Belden 7919A or 9842

• General Cable Carol C0890

It may be necessary for your application to string CAT-5 wire through conduit. It may not be

possible to string the wire without cutting off and re-attaching one of the RJ45 connectors. The

wiring diagram for RJ45 connectors on CAT-5 cable is provided as a convenience if you are

required to re-attach an RJ45 connector.

Pin # Color

Orange/white

Orange

Green/white

Blue

Blue/white

Green

Brown/white

Brown

DeviceMounting

The exact method of mounting the Aurora Universal enclosure is left to the installer. Here are some

tips and best practices:

• Ambient temperature around the box should remain between –20oC and 60oC (this should be verified)

• If possible, install the enclosure where the enclosure is shaded from direct summer sunlight.

• Keep in mind that clearance between components in the enclosure and the enclosure wall is at least 2

inches, except on back wall of enclosure.

• Enclosure weighs between 5 and 10 lbs. Bracket mounts supporting up to 50 lbs are recommended.

• Enclosure must be mounted off the ground.

• Enclosure door swings out to the left. Make sure you leave enough room to open the enclosure.

• If mounting outside, drill holes for conduit through the bottom of the enclosure and use conduit or

glands to protect the integrity of the enclosure. Aurora Universal is a NEMA 3R rated enclosure. You

must use appropriate conduit fittings to preserve the NEMA rating and your warranty

• Wall-mounting or pole-mounting kits are available. (Do we sell these? Can we point them

somewhere?)

PreparingInvertersforConnectiontoAuroraUniversal

Inverters must be connected to each other in a daisy chain before being connected to Aurora

Universal. The RS-485 serial port uses a three-wire cable, two wires are for signals and a third one

for ground connection. RJ12 ports and appropriate cabling can serve as the connection between

inverters. (I assume it would be OK to use the RJ12 connectors between inverters and use RS485 to

Auurora Universal?)

1. Install the Power-One Aurora inverter(s) as per the inverter documentation for the

inverter model you are working with. Adhere to all cautions and safety instructions in

the Power-One Aurora Inverter manual and the proper tools to remove the access

panel

2. Verify the first (or only) inverter address. Make sure the first (or only) inverter

address is set to 2 (the default). For detailed information on configuring addresses,

refer to the section on “address selection” in the inverter installation manual. If you

have only one inverter, stop and proceed to the next section.

If more than one inverter is used, configure each additional inverter address,

incrementing by 1.

For

example,

the

case

three

inverters,

the

first

address

would

and

the

two

inverter

addresses

would

and

For

detailed

information

configuring

addresses,

refer

the

section

“

address selection

”

the

inverter

installation

manual

CAUTION!

FSTusestheinverteraddresstotrackdataforeachinverterandtoestablishtheWebsiteview

.

OncetheinverterisconnectedtotheFSTmonitoringequipmentandisreportingdatatothe

FSTserver,theaddressmay

not

bechangedwithoutincurringadditionalexpensetothe

customer

.



Iftheaddressmustbechangedatalatertimeoraninverterisreplaced,FSTTechnicalSupport

mustbecontacted

before



thechangeismade

.



Ifforsomereasontheinverterscannotbeconfiguredasspecified,FSTTechnicalSupportmust

be

contacted

beforeserviceisstarted

.

4. Connect all inverters in the chain (make a serial link between inverters). You need to

locate the RS-485 terminal block for each inverter in the chain. Inverters are

connected by twisted pair signal cable from one RS-485 terminal block in the inverter

to the next inverter in the chain. The RS-485 connectors may be a screw terminal

block or cage-clamp connector, and there may also be RJ12 ports depending on the

Aurora inverter. An example terminal block from an Aurora inverter is shown below.

For easier installation, the inverter typically features two holes so that input and

output cables can be separated when multiple units are connected in a daisy chain.

Cable is routed through the holes located at Inverter bottom that are blanked with

waterproof plugs. Power-One supplies cable glands that must be installed in the holes

to protect the inverter. After passing through the cable gland, cables are connected

inside of the unit to RS-485 terminal blocks. Terminal blocks are reached by

removing a door or covering over the RS-485 terminal block.

Some Aurora inverters allow connections between inverters using RJ12 connectors

and cabling. However, note that the connection between the first inverter in the chain

and the Aurora Universal must be made through the RS-485 connectors.

5. Terminate the last inverter. Make sure the last inverter is terminated as per the

Aurora inverterdocumentation. The DIP switch on the last inverter’s RS-485 terminal

block must be set to ON. See the figure in step 4 above for an example of the DIP

switch that needs to set to ON for the last inverter. For detailed information, refer to

the section on communications in the inverter installation manual.

ConnectthePowerSource

The Aurora Universal System comes without holes for electrical connections to the enclosure.

1. Drill a hole in the enclosure to string the power supply wire. The power connection

point in the Aurora Universal in at the lower left of the enclosure. This may also

require conduit to house the wire if required for your installation.

Recommended Area for Drilling Holes

Circuit Breaker

Power

Supply

Block

2. Make sure power is OFF to the power wires coming into the Aurora Universal

enclosure. Attach incoming power wire to the power connector on the DIN Rail of the

Aurora Universal (connectors farthest to the left).

3. Make sure the circuit breaker switch on the DIN Rail power connector block is OFF.

Connect the power supply wire to 120, 208, or 240VAC.

ConnectInstruments

If you have no meter in the Aurora Universal, skip this section. Instruments are attached to Aurora

Universal only if you have a revenue grade meter with your system (Aurora Revenue Grade). The

Aurora Universal System comes without holes for electrical connections to the enclosure.

1. Use the same hole/conduit drilled for the power source, or drill a second hole if

appropriate for your installation. The instrument connection points in the Aurora

Universal are at the lower portion of the enclosure. This may also require conduit to

house the wires if required for your installation.

2. Attach incoming Voltage wires to the CT sensing block on the DIN Rail of the

Aurora Universal (connectors in the middle of the DIN Rail).

Voltage Sensing Block CT Landing Block

3. Attach incoming CT wires to the CT landing block on the DIN Rail of the Aurora

Universal (connectors farthest to the right).

ConnectInverterandEthernet

The Aurora Universal System comes without holes for electrical connections to the enclosure.

The physical connection to Ethernet can be completed by stringing a CAT-5 or CAT-5 compatible

cable between the Data Logger and an Ethernet switch or router. Connecting the Data Logger to a

cellular router can also be used. If using a cellular router, it may be useful to attach the cellular

router to the inside right wall of the Aurora Universal enclosure.

1. Drill a separate hole in the enclosure for the low voltage wires. (Is this absolutely

required? If not, are there any restrictions other than “room” to putting wires in the

same conduit?) The connection points in the Aurora Universal are on the Data Logger

in the right side of the enclosure. This may require conduit to house the wires if

required for your installation.

2. Connect the RS-485 data cable from the Data Logger to the RS-485 terminal block in

the first Aurora inverter in the chain using the pin callouts in Table 1. Refer to the

diagram and table below to make the proper connections. Refer

the

Power-One

Aurora

Inverter

installation

documentation

for

details

the

485

terminal

block

location

Make sure to use twisted pair wire to pins 2 and 3 on the Data Logger

Terminal Block.

AuroraInverter

RS‐485

TerminalBlockConnection

DataLoggerTB25Terminal



BlockConnection

RTN 4(white)

+TR

2(Red)



‐TR 3(black)

RS485 Terminal

Connections

Data Logger

DB9 Adapter

To Network via Switch

or Router

+TR

-TR

RTN

First Inverter

3. If you do not have a cellular router, skip to step 4. If you have a cellular router,

connect the cellular router cable (RJ45) to the D port labeled LAN1 on top of the

Data Logger. If this is your permanent means of connecting to Ethernet, it is not

necessary to run the CAT-5 cable described in step 4. If the cellular router is being

used for a temporary connection for installation verification or diagnostics, run the

CAT-5 cable as described in step 4. Switch the Cellular router ON.

4. Run the CAT-5 or CAT-5 equivalent cable to an Ethernet access point, usually a

switch or router. Refer to Cabling Requirements if you need to need to cut and re-

attach an RJ45 connector. Connect the CAT-5 cable (RJ45) to the Data Logger port

labeled LAN1. Leave the cable temporarily disconnected if a cellular router is already

connected.

5. You now ready to test power and the physical connections. Either a cellular router,

LAN switch, or LAN router must be connected through the LAN1 port of the Data

Logger. Turn on the power to the Aurora Universal using the breaker on the DIN

Rail.

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