TCU
Tracker-mounted unit for motor, position and local safety control.
Tracker Control System
Field precision. Plant-wide intelligence.
Control, protection and optimization for solar trackers at scale, with TrackBoost intelligent mode built into the fleet.
TECSCI product · Tracker control
A complete system to move, protect and operate tracker fleets with local intelligence.
- Delivery
- TCU, NCU Web, field network and app
- Model
- Design, supply and commissioning
- Best for
- New plants and field modernization
- Outcome
- Higher yield with autonomous protection
Complete architecture
One product. The entire ecosystem.
From weather readings to TCU commands, every layer turns operating context into safe movement.
Network
Field communication designed for a distributed fleet.
NCU Web + SCADA
Tracker supervision and commands included in the ecosystem.
TrackBoost AI
Intelligent mode that turns weather, geometry and history into new position targets.
App
Commissioning, commands and remote diagnostics with confirmation of the TCU’s actual state.
API + Modbus
Open integration and continuous supervision: it compares expected and actual state and fixes discrepancies when automatic correction is enabled.
NCU Web · Local SCADA
The Tracker SCADA, running inside your plant.
NCU Web is the fleet command center: a local SCADA installed on the NCU and included in the Tracker package. Any device connected to the NCU network can operate the fleet — no cloud required.
- Real-time commands and TCU positioning
- Confirmation of actual state and parameters stored in every TCU
- Fleet-wide telemetry, alarms, events and availability
- Local web access from any device on the NCU network
Included in the Tracker package.
NCU Web is the local SCADA for the tracker fleet — it is not the Monitoring platform, an independent product for performance and portfolio management. Explore Monitoring
Confirmation and remote diagnostics
The command goes out. The actual state comes back.
Through the app, the team can see what is truly stored and happening in each TCU — position, target, sensors, alarms, events, command queue, history and configuration profiles — without traveling to the field.
01 Expected stateThe app and API record the command and configuration that each TCU is expected to maintain.
02 Device readingThe TCU returns its operating state and the parameters actually stored in firmware.
03 Automatic comparisonThe API identifies differences between the configured values and the actual state received from the field.
04 Controlled correctionWhen automatic correction is enabled, only the required adjustments are sent to synchronize the TCU.
Continuous fleet supervision
The API verifies configurations, safety positions and clocks. When automatic correction is enabled, it fixes discrepancies and keeps the fleet consistent and healthy.
Hardware · NCU NCS-500
The NCU is the radio, the server and the memory of the fleet.
- LoRaWAN
- Star network designed for the fleet
- 500
- TCUs controlled per NCU
- 5,000 m
- Field radio range
- AU915
- 915–928 MHz band
- 110/220 VAC
- Internal battery for up to 3 h
- 2 sensors
- Integrated anemometer and pyranometer
- ANATEL
- Certification 10769-24-10145
Datasheet downloads
Tracker intelligent mode
Plant data becomes position in the field.
TrackBoost is the AI mode built into TECSCI Tracker. It combines local weather conditions, plant geometry and operating history to recalculate fleet position targets — keeping intelligence, commands and movement in one system.
01 · Inputs Reads plant context
Irradiance, temperature, wind and operating history feed the strategy.
02 · Decision Optimizes with AI
TrackBoost compares current conditions with geometry and terrain to reduce shading and clipping losses.
03 · Coordination Distributes new targets
The NCU coordinates the fleet and sends recalculated position targets over the field network.
04 · Field The TCU executes
Each TCU moves its tracker in real time while respecting mechanical limits and local protection rules.
- Local weather data
- Cloud-passage response
- Adaptive backtracking
- Learning from operating history
Safety always takes priority.
The intelligent mode optimizes generation while operation remains inside the safe range. Local alarms, mechanical limits and the house-shaped safety position at 15 m/s override every optimization target.
Progressive wind protection
Generate while conditions are safe. Form the house position when protection is critical.
Before the critical limit, the TCU progressively narrows the angular window and keeps tracking inside the safe range. At 15 m/s, the fleet immediately assumes the commissioned house-shaped safety position.
Demonstration profile · intermediate levels are configurable
Normal tracking
The tracker follows the sun with backtracking and active mechanical limits.
Protection level 1
The movement range narrows while safe generation continues.
Protection level 2
The window becomes tighter and preserves only permitted angles.
House-shaped safety position
The rows leave progressive tracking and form the house position defined during commissioning.
- 01Continuous field readings
The NCU anemometer reports conditions and the API selects the configured level for each TCU.
- 02Protection with hysteresis
Separate entry and exit thresholds prevent oscillation when wind stays close to a level boundary.
- 03Tracking inside the window
The TCU clamps its target to the safe range and continues following the sun within it.
- 04Immediate house position at 15 m/s
The critical limit takes priority over dynamic levels and sends the fleet directly to the safety position.
7 programmable safe positions
- Wind
- Battery
- Snow
- Cleaning
- User 1
- User 2
- Custom
See the complete wind response: the 3D sandbox demonstrates progressive protection and the immediate house position at 15 m/s.
Open the interactive demoSafety autonomy
Protection that doesn’t depend on connectivity.
Safety intelligence lives in the TCU firmware, in the field. If the network fails, every tracker keeps protecting itself.
Safety position without cloud
After 2 h without downlink (configurable default), the TCU autonomously assumes the configured wind safety position.
Local hardware alarms
End stop, overcurrent, stalled axis and inclinometer directly trigger the safety state on the TCU.
Integrated backtracking
Configured plant geometry guides positioning to reduce row-to-row shading.
FUOTA with rollback
Over-the-air firmware updates via LoRaWAN multicast for the entire fleet, with dual-bank safety to roll back if needed.
Energy-autonomous TCU
Each unit has its own battery and solar panel, with voltage and current monitoring.
Active protection
The wind changes. The system responds.
Protection combines continuous readings, progressive tracking windows and the house-shaped safety position at the critical limit.
OPERATING SIMULATION
04 ROW DIGITAL TWINOpen 3D sandbox
SOLAR JOURNEY · 04:50—18:00
Light moves. Every row follows.
Use the time control to follow the solar arc and observe coordinated positioning.
WIND5.4m/s
Tracking active4 / 4 ROWS
Use the control to move through the dayTracking · 11:09
04:5011:2518:00
SafetyBacktrackingTracking
Continuous readings
The NCU monitors wind and distributes the appropriate protection level to the fleet.
Progressive protection
Before the critical limit, the angular window narrows while tracking continues in the safe range.
House position at 15 m/s
At the critical limit, rows immediately assume the commissioned safety position.
Local autonomy
The TCU preserves safe behavior even when connectivity changes.
Tracker Control System
Built for field routines.
Robust installation, assisted commissioning and an interface that turns signals into action.
Local control Field network App and remote diagnostics
TECSCI portfolio
Three products. Clear roles at every layer.
Purchase each solution independently and combine tracker control, electrical automation and plant management to match your operation.
01Tracker controlTracker Control System
Field TCU, network, TrackBoost, NCU Web as local SCADA and commissioning application.
You are here
02Electrical automationAutomation Panel
Remote reset, telemetry and industrial integration to reduce travel and downtime.
Explore the Panel
03Independent platformTECSCI Monitoring
Performance, alarms, maintenance and multi-plant management in one web environment for any plant.
Explore Monitoring