Technical Specifications Internal electrical interface to drive main board, dual optical‑fiber transceiver ports. Power supplied by drive main unit. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Optimized optical‑signal receiving sensitivity.
Functional Features Implements electrical‑optical signal conversion for DDCS communication bus. Supports point‑to‑point or chain‑type optical‑fiber networking of multiple drives. Transmits real‑time speed command, operating status and fault information among devices. On‑board LED indicators reflect module power‑on and optical‑link working condition. Built‑in self‑diagnosis detects optical‑fiber breakage and internal interface abnormality.
Application Scenarios Spare DDCS optical communication module for ABB multi‑drive group control system. Applied in industrial transmission equipment maintenance.
Performance Parameters Enhanced anti‑interference optical‑fiber transmission performance. Stable DDCS high‑speed data interaction. Accurate optical‑link fault detection function.
Material Composition Plastic module housing. Multilayer glass‑fiber epoxy printed circuit board. Upgraded optical transceiver components and signal processing circuit. Internal plug‑in connector and optical‑fiber interfaces.
Structural Characteristics Compact plug‑in option module form factor. Rear plug‑in connector connects to drive main board. Front side equipped with optical‑fiber ports and status LED indicators.
Working Principle RDCO‑02C gets power from drive main control board. Electrical DDCS signal is converted into optical signal for sending. Incoming optical signal is converted back to electrical signal and transmitted to drive main board to complete data exchange between devices.
Installation Requirements Disconnect drive main power and control power before replacement. Insert RDCO‑02C into drive option slot and lock buckle. Connect DDCS optical‑fiber jumpers. Restore power supply, check optical‑link indicator and verify inter‑drive communication function.
Usage Notes Keep optical‑fiber port clean and avoid end‑face scratch. Hot‑plug operation under powered condition is prohibited. Confirm no optical‑link fault alarm after commissioning.
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