Yes, a Charge Point Operator can use OCPP 2.0.1 to enforce different RFID authorization policies for employee and visitor sessions within the same charging network. The protocol supports role-based access control through its enhanced token management and profile configuration capabilities, allowing operators to define distinct authorization rules for various user categories.
How OCPP 2.0.1 Enables Policy Differentiation
OCPP 2.0.1 introduces more granular control over token handling and authorization. Operators can configure different authorization profiles that apply specific rules based on RFID token types or user roles. For example, an employee RFID card might be granted immediate access to all charging points, while a visitor card could be limited to specific zones or require additional verification steps.
This functionality is supported through the use of certificate-based authentication and enhanced token management features. Operators can define which tokens are valid for which actions, and how long those tokens remain active. The system can also enforce time-based restrictions, such as allowing visitors only during business hours or limiting session duration.
These policies are managed via the Central System, which communicates with charging stations using OCPP 2.0.1 commands. The protocol allows for dynamic updates to these rules without requiring physical changes to the charging infrastructure, making it easy to adjust policies as needed.
Practical Implementation for Workplace Charging
In practice, this means that a workplace charging network can support both employee and visitor access seamlessly. When an employee presents their RFID card, the system recognizes their token as authorized for full access. A visitor, on the other hand, might be required to register their card or undergo a secondary verification process.
Operators can also implement time-based restrictions or limit the number of concurrent sessions per user type. For instance, employees might be allowed to charge multiple vehicles simultaneously, while visitors are restricted to one session at a time. This helps ensure fair usage of charging resources across different user groups.
Such differentiation is particularly useful in commercial settings where security and resource allocation are key concerns. It allows operators to maintain control over their infrastructure while providing appropriate access levels for different user categories.
Related Reading
For more on related topics, see: OCPP 2.0.1 Dynamic Power Adjustment During Session.
Further reading: EV Charging Software Features | Tecell CMS (UnityCharge) – OCPP, Billing, Mobile
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