DG Testing & Traceability Platform development

# Product Requirements Document (PRD)

# DG Testing & Traceability System

## 1. Overview

The DG Testing & Traceability System is a centralized digital platform designed to replace manual paper-based DG testing logbooks with a secure, traceable, and scalable solution.

The system enables:

* Digital recording of DG manufacturing and load testing data
* QA approval workflows
* Secure QR-based traceability
* Customer verification of factory test reports
* Basic operational health diagnostics

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# 2. Objectives

* Eliminate manual testing logbooks
* Improve QA traceability and auditability
* Enable secure generator authentication
* Standardize manufacturing test workflows
* Provide customers access to original factory test data

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# 3. System Modules

## A. Admin Panel

### Features

* Create/manage testing templates
* User & role management
* QA approval workflows
* Traceability dashboard
* QR code generation
* Configure tolerance bands

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## B. Employee / Shop-Floor Panel

### Features

* Digital load test data entry
* Safety tripping and defect logging
* Submission tracking
* Pending/rejected approval dashboard

### Data Captured

* Voltage
* RPM
* Oil Pressure
* Coolant Temperature
* Frequency
* Load percentage readings

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## C. Customer Portal

### Features

* QR code scanning
* Serial number verification
* View factory test report
* Input current operational readings
* Automated health status comparison

### Diagnostic Output

* Normal
* Warning
* Service Recommended

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# 4. Core Workflow

1. Operator enters DG test data
2. QA verifies and approves records
3. System generates encrypted QR code
4. QR attached to DG unit
5. Customer scans QR for verification and diagnostics

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# 5. Key Functional Requirements

* Role-based access control
* Secure authentication
* Encrypted QR generation
* Audit trails and traceability
* Dynamic testing templates
* Tolerance-based diagnostics engine

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# 6. Technical Stack (Suggested)

| Layer | Technology |
| -------------- | ------------------ |
| Frontend | React / Next.js |
| Backend | Node.js / NestJS |
| Database | PostgreSQL / MySQL |
| Authentication | JWT |
| Hosting | AWS / Azure |

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# 7. Future Enhancements

* IoT integration
* Real-time DG monitoring
* Predictive maintenance
* ERP integration
* Mobile app support

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# 8. Ownership

Complete source code and intellectual property rights will be transferred to the client upon final payment.

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# 9. Success Metrics

* 90% reduction in paperwork
* Improved QA traceability
* Faster verification process
* Reduced manual errors
* Centralized digital records