CRAC/CRAH Monitoring

Problem

Precision air conditioners alarm locally on their own display, so a failed compressor or a high-pressure trip is noticed only when hall temperature rises.

Opis rozwiązania

MILESGO gateways collect data from CRAC / CRAH precision air conditioners, temperature and humidity sensors, water leak detection controllers over Modbus RTU / BACnet MS/TP / SNMP, and deliver it to the DCIM, the BMS, SMS, email and messaging alarms as SNMP / 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

CRAC / CRAH precision air conditioners
temperature and humidity sensors
water leak detection controllers

Protocol path

Modbus RTU / BACnet MS/TP / SNMP → SNMP / BACnet/IP / MQTT

Implementation checklist for the project manager

Collect register maps and protocol documents from every equipment vendor early; a missing map is the most common delay.
Devices on one serial channel must share protocol and communication parameters; group them per channel at design time.
Collect MIB files, SNMP versions and v3 credentials for every UPS / PDU / cooling model.
Define an alarm matrix (priority, recipient, escalation) and test every alarm end to end at SAT.
Commission in read-only mode first; enable write / control points only after the client approves each one.
Hand over configuration backups, point table, IP plan and as-built drawings, with a short operator training.

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: CRAC / CRAH precision air conditioners, temperature and humidity sensors, water leak detection controllers, connected over Modbus RTU / BACnet MS/TP / SNMP. 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 DCIM, the BMS, SMS, email and messaging alarms, which receives the data as SNMP / BACnet/IP / MQTT. Remote access for maintenance runs over VPN rather than open internet ports.

Skład systemu

Field devices: CRAC / CRAH precision air conditioners, temperature and humidity sensors, water leak detection controllers
Edge / integration: MILESGO protocol gateways and edge controllers
Upper systems: the DCIM, the BMS, SMS, email and messaging alarms (SNMP / 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
Predictive maintenance indicators from equipment trendsW 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

Alarms reach the right person by SMS, email or messaging apps
Abnormal conditions seen early, before they become failures
One view of all subsystems instead of separate vendor consoles
Monitoring added without changing existing control programs

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