ALSTOM PIB903 Process Interface Board
The ALSTOM PIB903 is a high-performance process interface board designed for data acquisition and control in critical power generation and industrial automation environments. It serves as a vital link between field sensors/actuators and control systems, ensuring reliable and accurate signal processing.
Key Features
Multifunction I/O: configurable analog inputs (4‑20 mA, 0‑10 V), digital inputs, and digital outputs
High accuracy: 16‑bit resolution for analog channels
Galvanic isolation: 2.5 kV between channels and system
On‑board signal conditioning for thermocouples and RTDs
Fast scanning rate: 1 ms per channel
Redundant communication interfaces: Profibus DP, Modbus RTU, or Ethernet/IP
Diagnostic LEDs for status indication
Technical Specifications
Analog inputs: 16 differential or 32 single‑ended (software selectable)
Digital inputs: 16 (24 V DC, sink/source)
Digital outputs: 16 (24 V DC, 0.5 A)
Update rate: 1 ms for all channels
Accuracy: ±0.1% of full scale
Power consumption: 5 W max
Operating temperature: -20°C to +60°C
Applications
The PIB903 is widely used in steam and gas turbine control systems, balance of plant monitoring, and industrial process automation. Typical applications include temperature monitoring, valve position feedback, speed measurement, and actuator control in power plants, refineries, and manufacturing facilities.
Integration and Reliability
Designed for harsh industrial environments, the PIB903 features conformal coating and robust EMI immunity. It integrates seamlessly with ALSTOM’s control platforms and third‑party DCS/PLC systems through open protocols. Hot‑swap capability allows replacement without system downtime.
With its modular design and field‑proven reliability, the ALSTOM PIB903 ensures continuous operation and precise control in demanding applications.
