Development Scope
Device and interface access
Connect card reading or identification equipment, lock control, gate status and security input, and define the permission validity period, access records and offline authorization scope.
Product business functions
Connect card reading, lock control, gates and status input, and develop permission synchronization, temporary authorization, operation records and offline traffic rules.
Platform and data connection
Combined with the business links of field instruments and facilities → local rules or collection → 4G → group management → inspection and service tasks, the device identity, data fields, update time, abnormal status and result confirmation method are defined.
Exception handling and operational constraints
Pass authorization and mechanical safety control are designed separately; anti-pinch, limit and on-site priority operations follow the responsibilities of the original controller.
Data and Operational Workflow
Permission synchronization or remote authorization → local verification → door opening or pole lifting request → status feedback → 4G upload access record.
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: permission validity period, local cache, access records and mechanical safety interface.
- 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 | Verify authorization, revocation and expiration of permissions. |
| Business integration testing | Data fields, status definitions, platform adaptation procedures and business integration testing records | The test door lock or gate status is inconsistent. |
| Version and test data | Target hardware and software versions, build or deployment instructions, parameter configurations and test logs | Check offline access, recovery synchronization and operation logs. |
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
4G Can the access control still be used when the Internet is disconnected?+
Local effective permissions and records can be saved by project and synchronized after restoration. It is necessary to clarify the number of permission caches, expiration rules, emergency access methods, and processing of permission revocation during offline periods.
Can I entrust only part of the functions of the access control and gate controller?+
The device interface, terminal program, 4G communication and platform integration testing can be split based on the existing R&D foundation. Please provide existing data and target boundaries, first check "authority validity period, local cache, access records and mechanical security interface", 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 validity period of permissions, local cache, traffic records and mechanical safety interfaces; 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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