your innovative solution partner

A BalanceD+ tracker for a balanced investment

BalanceD+ Tracker

8.0°

8.0°

Quick Commissioning Four Steps

Scan LOC BarcodeUse GPS barcode reader

1

Upload DataFile processor for network assignment

Addressing plan programmer

2

Comms.SetupRouter addresses configuration and final modbus address assignment

Broadcast command

Network verification

3

ParametrizationCalibration and functional verification of tracking parameters

4

System Features• Self-powered via PV or String connection.

• Centre of gravity to reduce running loads, maintenance costs and self-consumption.

• Single row design halves the number of controllers per site and therewith O&M costs.

• Single row drive through cleaning, capable of washing even and odd rows separately.

• Zigbee wireless reduces installation time and cost.

• Quick Commissioning & backtracking tools.

• Reliable & Safe: encryption available, mesh routing, modbus protocol over air.

• Scan LOC barcode with GPS for fast communication setup.

• Remote monitoring & predictive maintenance. Site availability and behavior pattern reports from anywhere.

• Modular design means no cutting, welding or drilling on site.

• Installation tolerances +/- 50mm on all pile axis and unlimited on pile twist.

Control Modes• Manual: manual operation and emergency stop.

• Automatic: following SCADA instructions and tracking algorithms.

• Sleep: angle suitable for cleaning at night.

• Self-cleaning.

• Low irradiation: moving is limited to save battery due to no direct sunshine.

• Freezing: battery can’t charge below -10 degrees C.

Specifications• DC Capacity up to 36KWp per single row tracker,

depending on PV module power.

• Row length up to 90 modules.

• Tracker type: horizontal single row single-axis centre of gravity tracker.

• Tracking range 120° (± 60°) giving you a better yield.

• Drive 24 VDC slew motor with self-powered Suntrack controller.

• Safety stowing: 12 automated programmable wind and snow stow positions.

• Intelligent backtracking ensures no panel shadowing.

• Wind dampers included for each row.

• Slope 7% East, West, North, South.

• Materials galvanized.

• Bonding: no earthing cables required due to metal bushes.

• Drive through for module cleaning and maintenance.

• Wind design for peak wind speed of 50m/sec.

• Pile installation: in concrete or ramming.

Battery Facts• Battery lasts more than 1 000 hours in

sleep mode. (3Ah and 6Ah available).

• 40 ‘dark’ days. (100% DoC).

• 40 000 cycles ensured.

BalanceD+ TrackerThe BalanceD+ tracker is an investment conscious

single row, centre of gravity design incorporating the

Suntrack self-powered controller. Both the motor and

controller boasts a multi gigawatt global track record

and is IEC 62817 certified. The BalanceD+ tracker both

through design and intelligence makes it a sure and

balanced investment for your project.

Installation Cost Benefits• 25% less piles to install.

• No communication cables to install.

• No power cables to install.

• No self-consumption costs.

• No UPS required.

• Reduced tracking failure costs, only 90 modules per tracker.

• Fewer trenches.

Contact UsT: +27 (0) 41 366 1911 • E: info@piasolar.com

PORT ELIZABETH: 117 Prospect Road, Walmer, Port Elizabeth, South Africa 6065

www.piasolar.com

System Overview

Site Inverter SCADA

Ethernet

Ethernet

NCU-1

Zigbee-RS485

TCU sub-network

NCU-2 NCU-3

Tracker SCADADatalogger + Router

Ethernet – GPRS

Data LoggingTrending

Alarms(SMS, email)

Web BasedData Presentation

Switch-gateway

Internet,LANs

GSM, GPRS,Telephone Modems