Development Scope
Device and interface access
Access flow, pressure, main controller failure and filter element count, and clarify reset authorization, maintenance records and device binding rules.
Product business functions
Access flow, pressure and filter element counts, and develop consumable reminders, fault reporting, parameter configuration, device binding and service orders.
Platform and data connection
Combined with the business link of order or authorization → local condition check → device execution → 4G result return → order and maintenance management, the device identity, data fields, update time, exception status and result confirmation method are defined.
Exception handling and operational constraints
The filter element reminder is based on measurement or usage rules and does not equal the conclusion of water quality testing; remote parameter settings should not bypass the local protection of the device.
Data and Operational Workflow
Main control data collection → 4G upload → Filter element and maintenance judgment → Service reminder → Work order and maintenance record write-back.
The device side, communication side and platform side retain necessary status and logs respectively. Project integration testing is checked with actual equipment data and execution results, and network connection status and business completion status are recorded separately.
Project Inputs
- Existing device models, interface and wiring diagrams, licensing agreements, data samples and available codes.
- Business processes and parameters: flow pressure interface, filter element count, replacement record and parameter permissions.
- Target location, operator, SIM/APN, power supply, installation method and equipment size.
- Existing platform interfaces, user roles, development modules, number of prototypes and planned nodes.
Deliverables and Acceptance
| Deliverables | Delivery content | Verification method |
|---|---|---|
| product realization | Hardware design data, prototypes or existing equipment modification data involved in the project, as well as corresponding firmware and interfaces | Check the flow accumulation and filter element replacement records. |
| Business integration testing | Data fields, status definitions, platform adaptation procedures and business integration testing records | Test fault, low voltage and status recovery. |
| Version and test data | Target hardware and software versions, build or deployment instructions, parameter configurations and test logs | Verify count reset authority and maintain history traceability. |
First confirm the scope and key functions, then complete prototype or software development, system integration testing and stage acceptance. The acceptance conditions list the prototype, version, environment, duration and passing threshold; source code, design documents, third-party licenses, materials, traffic, cloud resources and on-site work are agreed separately.
Frequently Asked Questions
How to avoid losing historical records after replacing the filter element?+
Save the replacement event, operator, time and accumulated value before replacement separately, and then create a new use cycle. The platform and terminal are checked against the same version to avoid losing maintenance evidence by just clearing the count.
Can I entrust only part of the functions of the commercial water purification equipment networking board?+
The device interface, terminal program, 4G communication and platform integration testing can be split based on the existing R&D foundation. Please provide existing information and target boundaries, first check the "flow pressure interface, filter element count, replacement record and parameter permissions", and then clarify the deliverables and interface responsibilities of each module.
How are costs and cycle time assessed?+
Split the workload based on target devices, interfaces, existing data, and verification criteria. This project focuses on checking the flow pressure interface, filter element count, replacement records and parameter permissions; when prototypes, on-site integration testing or third-party platform cooperation are required, the corresponding costs, prerequisites and nodes will be listed separately.
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