Requirement
The Wuxi Kaiyi Hospital article describes a need to monitor water meters, electricity meters and air-conditioning equipment, with remote supervision, history queries and energy reporting.
Proposed solution
The article proposes HMI2004-A9 gateways for field-data acquisition together with a local energy-management platform for storage, charts and reporting. It also explains an MQTT data-publishing configuration.
Documented scope and outcome boundary
The described functions include live monitoring, remote operation, historical trends and energy analysis. The source is a system proposal and application description; it does not supply a final acceptance record or measured savings. No energy-saving percentage is inferred.
This is an edited English summary of the original Chinese case article. Read the complete original case and diagrams.

