PLCs, Power Supplies & Others

Digital Communication Board for Pressure Transmitters

The Yokogawa F9342AL serves as a HART communication PCB assembly for pressure transmitter integration. This board enables digital communication alongside the standard 4 to 20 mA analog signal . It delivers 0.075% reference accuracy for reliable process data transmission . Consequently, this PCB supports remote configuration, diagnostics, and asset management functions.

Communication Protocol and Integration Features

The F9342AL implements the HART protocol for bidirectional digital communication over existing wiring . It allows multivariable data retrieval from compatible pressure sensors and transmitters . The board supports loop-powered operation without requiring additional power supplies . Furthermore, it facilitates device parameterization and calibration through digital commands .

Pressure and Performance Specifications

This PCB assembly interfaces with transmitters handling static pressures up to 16 MPa . It maintains accuracy within 0.075% of span across the calibrated measurement range . The F9342AL responds to pressure changes within 100 milliseconds for dynamic applications . Temperature effects remain below 0.05% per 10 °C for consistent performance .

Physical Characteristics and Mounting

The board weighs approximately 36 kilograms in its complete transmitter assembly . It integrates into standard Yokogawa pressure transmitter housings seamlessly . The F9342AL utilizes stainless steel and aluminum housing components for protection . Its compact design fits within existing instrument enclosures without modifications .

Environmental Range and Safety Compliance

This PCB operates reliably from -40 to 85 °C ambient temperatures . It stores safely between -50 and 90 °C for extended periods . The F9342AL meets IP67 protection standards when properly installed . It also complies with SIL 2 safety integrity level requirements for critical applications .

Technical Specifications

Details