Technical Specifications Model: PDP22‑FBP Bus Protocol: PROFIBUS DP‑V0, DP‑V1 Transmission Rate: 9.6 kbit/s up to 12 Mbit/s Physical Interface: M12 circular connector for PROFIBUS bus Power Supply: 24 VDC auxiliary power supply Mounting Mode: Module cascading installation with FBP series units Operating Temperature: 0 ℃ to +55 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5‑95 %, non‑condensing Protection Class: IP20 Certifications: CE
Functional Features Works as PROFIBUS DP slave station, supports DP‑V1 acyclic parameter reading and writing. Gold‑plated M12 bus connector realizes quick cascading connection of multiple FBP modules. Receives process output commands from PROFIBUS master and forwards to local FBP I/O units. Uploads field acquisition input data and equipment diagnostic information to PROFIBUS master station. Front‑panel LED indicators display module power‑on, bus communication and fault status. Built‑in hardware self‑diagnosis monitors bus signal loss and internal hardware failure.
Application Scenarios Spare‑part replacement for PDP22‑FBP communication node in ABB FieldBusPlug distributed automation system. Distributed fieldbus communication for machinery manufacturing, water‑treatment and process industry. Extension of PROFIBUS DP network for ABB control products.
Working Principle PDP22‑FBP obtains 24 VDC power and internal bus signal from FBP base unit. It receives PROFIBUS DP telegrams from master station via M12 bus interface, parses process output data and parameter commands, and transmits data to local FBP I/O units through internal base‑unit bus. Field input data and diagnostic information from local units are packaged into PROFIBUS telegrams and uploaded to master station. LED indicators reflect bus communication activity and fault state. Self‑diagnosis circuit detects bus interruption and hardware abnormality.
Installation Requirements Clamp PDP22‑FBP onto matching FBP base unit, ensure bottom contact fully engaged. Connect PROFIBUS DP bus cable to M12 connector, configure terminal resistor at bus head‑end and tail‑end according to PROFIBUS specification.
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