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Reinraumsteuerung und Umweltüberwachungssysteme
Cleanroom DDC-Steuerungssystem
A distributed direct-digital-control panel that manages cleanroom HVAC loops, schedules and alarms through networked BACnet room and plant controllers.
- Distributed HVAC Control
- BACnet Controller Network
- Local Trend Buffering
- Expandable Universal I/O
Produkteinführung
DDC controllers are distributed between AHUs, mechanical rooms and cleanroom zones so each group of HVAC points is controlled close to the equipment. Universal inputs accept common temperature, humidity and pressure signals, while analog and digital outputs command dampers, valves and fan drives. BACnet communication exposes live values, alarms, schedules and trends to the building-management platform. Local programs and retained configuration allow the controlled plant to continue operating during a supervisory-network interruption.
Key Features
Universal I/O channels can be configured for common sensor, contact and actuator signals.
Local schedules, alarms and trend buffers remain active without a central workstation connection.
BACnet networking supports shared values and coordinated operation across multiple cleanroom zones.
Kunden Produktbedenken
A DDC system must distribute control efficiently while preserving a consistent point structure and dependable communication to the central BMS.
Long home-run cables increase installation complexity and analog noise.Local DDC panels position I/O near AHUs and cleanroom zone equipment.
Different controller programs use inconsistent point names.A standardized device and point naming structure keeps graphics, alarms and trends aligned.
Supervisory network loss interrupts basic plant sequences.Local DDC logic, schedules and retained setpoints continue at the controller level.
Adding one sensor consumes a dedicated fixed-function module.Configurable universal I/O channels accommodate several common signal types.
Typische Anwendungen
Air-handling unit DDCCleanroom zone controlMechanical-room automationBuilding automation retrofits
Technische Parameter
Typical cleanroom DDC panel construction ranges are given below.
| Core Material | Powder-coated steel enclosure with FR-4 DDC boards and pluggable copper terminals |
|---|---|
| Panel Dicke | 160-300 mm enclosure depth |
| Effektive Breite | 400-800 mm panel width |
| Maximale Länge | Up to 1200 mm panel height |
| Stahl facing Dicke | 1.2-1.5 mm powder-coated steel panels |
| Kerndichte | 7800-8050 kg/m³ for steel enclosure components |
| Thermische Leitfähigkeit | 45-60 W/(m·K) for the steel cabinet |
| Oberfläche Finish | Fine-textured off-white powder coat with printed terminal identification |
| Gemeinsamer Typ | Wall-mounted DIN-rail enclosure with removable terminal blocks and BACnet trunk connections |
| Customisierung | Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung. |
Verfügbare Optionen
BACnet MS/TP or BACnet/IPLocal operator displayRemote I/O expansionIntegrated 24 VAC power supply
Planning a Cleanroom DDC Control System specification?
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