Operating Theatre Environmental Monitoring
Problem
Temperature, humidity and room pressure in theatres must stay within limits during surgery, but readings are shown only on the theatre panel and are not recorded for audit.
Opis rozwiązania
MILESGO gateways collect data from temperature and humidity sensors, differential pressure sensors, air handling units (AHU), indoor air quality sensors (CO2, PM2.5, TVOC, T/RH) over Modbus RTU / BACnet MS/TP, and deliver it to the BMS, a historian / database (MySQL, SQL Server, InfluxDB), SMS, email and messaging alarms as BACnet/IP / MQTT. Field equipment keeps its own protocol and control logic; integration is done by configuration and point mapping, not custom code.
Typical scope
- temperature and humidity sensors
- differential pressure sensors
- air handling units (AHU)
- indoor air quality sensors (CO2, PM2.5, TVOC, T/RH)
Protocol path
Modbus RTU / BACnet MS/TP → BACnet/IP / MQTT
Implementation checklist for the project manager
- Monitoring does not replace certified medical or safety alarm systems; keep them in place and treat MILESGO data as supervisory.
- Keep sensor calibration certificates on file and plan recalibration intervals.
- Agree sensor positions (height, airflow, distance from doors and diffusers) so readings are representative.
- Agree data retention and the report format needed for audits with the quality team at the start.
- Define an alarm matrix (priority, recipient, escalation) and test every alarm end to end at SAT.
- Confirm local storage so data survives network outages, and define the retention period.
Project deliverables
- Signed point table and protocol mapping
- Gateway configuration files and backups
- IP address plan and network drawing
- FAT and SAT test records
- As-built documentation and operator training
Architektura systemu
Field layer: temperature and humidity sensors, differential pressure sensors, air handling units (AHU), indoor air quality sensors (CO2, PM2.5, TVOC, T/RH), connected over Modbus RTU / BACnet MS/TP. Edge and integration layer: MILESGO protocol gateways and edge controllers, mounted on DIN rail in existing panels, polling each device, time-stamping values and buffering them locally. Upper layer: the BMS, a historian / database (MySQL, SQL Server, InfluxDB), SMS, email and messaging alarms, which receives the data as BACnet/IP / MQTT. Remote access for maintenance runs over VPN rather than open internet ports.
Skład systemu
- Field devices
- temperature and humidity sensors, differential pressure sensors, air handling units (AHU), indoor air quality sensors (CO2, PM2.5, TVOC, T/RH)
- Edge / integration
- MILESGO protocol gateways and edge controllers
- Upper systems
- the BMS, a historian / database (MySQL, SQL Server, InfluxDB), SMS, email and messaging alarms (BACnet/IP / MQTT)
- Tools and commissioning
- Web-based configuration, point table import/export (Excel), off-site simulation and on-site diagnostic tools
Możliwości oprogramowania i AI
- Anomaly detection on trend dataW planach
- Automatic report drafting from collected dataW planach
Etapy wdrożenia
- 1
Site survey and point list
Inventory devices, protocols, register maps, panel space, power and network paths.
- 2
Design and point table sign-off
Map every point to the target protocol and system; agree it with the client and the upper-system contractor.
- 3
Configuration and FAT
Build the gateway configuration off site, simulate it and test against the signed point table.
- 4
Installation and wiring
Mount gateways on DIN rail, wire RS-485 / I/O / Ethernet, apply the IP plan.
- 5
SAT and alarm tests
Verify values against local readings, test every alarm and command end to end.
- 6
Handover and support
Hand over configuration backups, point table and as-built documents; train operators.
Korzyści dla klienta
- Timestamped records for compliance and reporting
- Abnormal conditions seen early, before they become failures
- Alarms reach the right person by SMS, email or messaging apps
- Reliable trend data for optimisation and fault diagnosis
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