UPO7000L-SENT

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UNI-T UPO7000L Options Series

UPO7000L-SENT – Automotive Sensor Bus Decode Option (SENT)

🔧 Unlock High-Precision Sensor Bus Debugging on Your UPO7000L Oscilloscope

The UPO7000L-SENT software unlock adds decoding and trigger capabilities for SENT (Single Edge Nibble Transmission) protocol to your UPO7000L Series oscilloscope. SENT is a unidirectional, point-to-point digital communication protocol commonly used in automotive environments to transmit high-resolution sensor data from components such as throttle position sensors, pressure sensors, and temperature monitors.

With this option, you can decode and analyze SENT messages at the bit level—including fast channel data, slow channel updates, status bits, CRC values, and more.

🔍 What You Can Do with SENT Decode

Feature	Description & Application
Trigger on SENT Frame	Isolate specific sensor outputs based on sync, status, or data values. 📌 Used to identify failing sensors or unexpected value changes.
View Nibble-Level Timing	Analyze the time between falling edges for each nibble. 📌 Essential for identifying timing drift or ECU decoding errors.
Decode Fast & Slow Channels	Decode standard fast channel data and extended diagnostics over the slow channel. 📌 Used for full system validation and sensor feedback monitoring.
CRC and Status Monitoring	Automatically validate checksum and flag corrupted frames. 📌 Critical for production testing and long-term field reliability.
Exportable Event Table	Log all decoded SENT messages with timestamps. 📌 Used in debugging intermittent sensor faults or comparing against ECU logs.

🧠 Real-World Use Cases

✅ Throttle Position & Pedal Sensors

Use SENT decoding to monitor analog-to-digital transmission from position sensors. Confirm that nibbles are transmitted with valid CRC and that status bits correctly indicate fault or drift conditions.

✅ Pressure & Temperature Monitoring

Decode real-time feedback from manifold or coolant pressure sensors. Validate that the slow channel diagnostic data matches sensor calibration and health reporting.

✅ Sensor Bus Debug in Harsh Environments

SENT is designed for use in electrically noisy, high-vibration environments. Combine decode analysis with analog waveform monitoring to uncover issues due to ground shifts, load dumps, or EMI.

✅ ECU Integration and Trigger-Based Testing

Use the oscilloscope’s trigger system to capture precise sensor events and correlate them with CAN or FlexRay network activity—ideal for gateway or domain controller validation.