The ABB PFVO143 (order code: 3BSE023150R1) is a Profibus DP interface module designed for ABB’s S800 I/O system, a modular platform for industrial automation and process control. It serves as a critical communication bridge, enabling high-speed data exchange between ABB controllers (e.g., AC800M, Freelance 2000) and Profibus DP field devices (sensors, actuators, drives) in distributed control systems (DCS) and programmable logic controller (PLC) setups.
Unlike generic communication modules, this module is optimized for real-time industrial protocols, supporting Profibus DP V1/V2 standards to handle both cyclic (time-critical control data) and acyclic (configuration/diagnostic data) communication. Its 2.5 kV galvanic isolation protects against electrical noise and ground loops, ensuring reliability in harsh environments like chemical plants, power stations, and manufacturing facilities.
The PFVO143 integrates seamlessly with S800 I/O racks (e.g., CR301, CR310) and supports hot-swapping, allowing maintenance without system shutdown—critical for mission-critical processes requiring uninterrupted operation.
Communication Capabilities:
- Protocol Support: Profibus DP V1/V2, compliant with IEC 61158-3, enabling cyclic (control) and acyclic (diagnostic) data transfer.
- Data Rate: Configurable up to 12 Mbps, with automatic baud rate detection (9.6 kbps to 12 Mbps) for flexible network integration.
- Node Capacity: Supports up to 126 Profibus DP slaves per network, suitable for large-scale distributed systems.
Reliability & Safety:
- Isolation: 2.5 kV galvanic isolation between Profibus bus, S800 I/O backplane, and power supply to mitigate EMI/ground loops.
- Diagnostics: Real-time status monitoring via LEDs (power, bus activity, faults) and detailed diagnostic data (e.g., communication errors, slave dropout) transmitted to the controller.
- Fault Tolerance: Built-in watchdog timer and automatic reconnection logic to recover from transient communication failures.
Integration & Compatibility:
- S800 I/O System: Mounts in S800 I/O racks (CR301/CR310) with backplane communication, supporting modular expansion of I/O modules.
- Controller Compatibility: Seamless integration with ABB AC800M, Freelance 2000, and Symphony Plus controllers via S800 I/O bus.
- Redundancy Support: Compatible with redundant Profibus networks and dual power supplies for 24/7 operation in critical applications.
| Parameter | Description |
|---|
| Communication Protocol | Profibus DP V1/V2 (IEC 61158-3 compliant) |
| Data Rate | 9.6 kbps – 12 Mbps (configurable, auto-detection) |
| Power Supply | 24 VDC ±10% (100 mA max), redundant input supported |
| Isolation Voltage | 2.5 kV (Profibus bus to backplane/power) |
| Operating Temperature | -25°C to +70°C (ambient); -40°C to +85°C (storage) |
| Humidity Resistance | 5% – 95% non-condensing (IEC 60068-2-3) |
| Physical Dimensions | 120 mm × 110 mm × 25 mm (W × H × D) |
| Weight | ~120 g |
| Certifications | CE, UL, ATEX (Ex II 3G Ex nA IIC T4), IECEx |
Modular Architecture:
- Rack-mounted in S800 I/O racks with front-panel locking clips, supporting hot-swappable replacement for zero-downtime maintenance.
- Compact form factor allows high-density integration (up to 16 modules per CR310 rack).
Redundancy & Fault Tolerance:
- Optional dual-module redundancy (1:1) for critical networks, with automatic failover <100 ms.
- Built-in self-test (BIST) checks for bus integrity, voltage levels, and microcontroller health during startup.
Industrial Compliance:
- Shock & Vibration: Withstands 50 G peak shock (11 ms) and 2.5 G RMS vibration (10 Hz – 2 kHz), compliant with IEC 60068-2-27/64.
- EMC Performance: Meets EN 61000-6-2 (industrial immunity) and EN 61000-6-4 (emissions) for noise-free operation.
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