Description
METSO D200533BIU82
Technical Specifications: Power supply 24 VDC from rack backplane; adopt Metso proprietary XD high‑speed bus protocol; support time synchronization for all modules in rack; rack plug‑in installation; operating temperature range ‑20 ℃‑+70 ℃; storage temperature ‑40 ℃‑+85 ℃; LED indicators for power supply, bus running and communication fault; protection class IP20; module weight 0.50 kg.
Functional Features: Internal rack bus signal routing and forwarding; whole‑rack module unified time synchronization; bus signal impedance matching and noise filtering; hardware‑level communication fault diagnosis; communication link error statistics; fault alarm information upload to DCS host monitoring workstation; guarantee high‑speed and stable data exchange between controller and I/O modules.
Application Scenarios: Metso Damatic XD DCS main control rack; pulp and paper mill core process control cabinet; thermal power plant auxiliary system DCS cabinet; chemical plant small‑scale unit automation control cabinet.
Performance Parameters: Low bus transmission delay; strong signal anti‑interference performance; high data transmission reliability; conform to industrial EMC standards; support 7×24 hours long‑term continuous operation.
Material Composition: Fiberglass epoxy multilayer printed circuit board; bus protocol processing chip; signal matching and surge‑suppression components; gold‑plated backplane edge connector; metal front baffle; circuit‑board surface covered with three‑proof conformal coating.
Structural Features: Standard rack plug‑in card‑type structure; front panel integrates LED indicator group for power‑on, running and communication fault status; rear gold‑plated edge connector mates with rack backplane bus; internal bus receiving circuit and sending circuit implement physical separation; front panel equipped with mechanical anti‑loose locking buckle.
Working Principle: D200533 BIU82 receives instruction data sent by DPU controller via backplane bus, distributes data to corresponding I/O module slot according to bus address. At the same time, it collects feedback data uploaded by each I/O module, aggregates data and transmits back to main controller. Module completes time synchronization signal broadcasting for all modules inside rack. It monitors bus signal quality in real‑time. When communication abnormality appears, fault indicator lights up and alarm message transmits to upper monitoring workstation.
Installation Requirements: Install D200533 BIU82 module into specified dedicated bus slot of Damatic XD rack. Ensure rear backplane connector is fully inserted and reliably contacted. Cabinet protective grounding terminal must realize reliable connection. Keep adequate ventilation clearance around module for heat dissipation. Do not occupy installation slots of other functional modules.
Precautions for Use: Cut off rack backplane total power supply before plugging and removing module. Wear anti‑static wrist strap when touching circuit‑board components. Do not apply external power supply directly to module. Inspect backplane connector contact status periodically. Prevent conductive dust accumulation inside rack. Avoid condensation inside control cabinet.




