Product Overview
The Yokogawa F9342BL provides a local display interface for the F9342 series field transmitters. This LCD board assembly presents pressure readings, configuration parameters, and diagnostic messages clearly. Process operators rely on this unit for on-site monitoring and quick status verification. The board’s compact design integrates directly into the transmitter housing.
Technical Specifications
This LCD board mounts directly onto the main electronics module within the F9342 housing. The Yokogawa F9342BL features a high-contrast liquid crystal screen for excellent outdoor readability. Its low-power consumption allows loop-powered operation without external supply connections. The board includes push-button controls for convenient local parameter adjustments.
| Parameter | Specification |
|---|---|
| Product Type | LCD Board Assembly / Display Module |
| Series Compatibility | Yokogawa F9342 Series Transmitters |
| Display Type | Reflective LCD (segmented) |
| Display Format | 5-digit numeric plus annunciators |
| Character Height | 10 mm (for main reading) |
| Display Units | Configurable: Pa, kPa, MPa, bar, psi, mmH₂O, mmHg, torr |
| Backlight | Reflective (no backlight; ambient light only) |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -50°C to +95°C |
| User Controls | 3 push buttons for local configuration |
| Button Functions | Zero adjustment, span adjustment, menu navigation |
| Power Supply | 3.5 V DC from main CPU board |
| Current Consumption | < 500 µA (display only) |
| Dimensions (W x H x D) | 55 mm x 40 mm x 15 mm |
| Weight | Approximately 0.04 kg |
| Connector Type | 6-pin ribbon cable to CPU assembly |
| Energy Storage | None (display data refreshed from CPU) |
| Protection | Transparent cover lens (part of housing) |
| Humidity Range | 0 to 100% RH (non-condensing) |
Display Functionality
The Yokogawa F9342BL shows up to five digits of process value with engineering units. Its annunciator symbols indicate output status, alarms, and communication activity. The display updates every 500 milliseconds to reflect real-time measurement changes. The screen’s reflective technology ensures readability without battery drain or external power.
Local Operation
The board’s push buttons provide full local access to configuration menus. The Yokogawa F9342BL allows operators to re-range the transmitter without using a communicator. Users can adjust zero and span values through simple push-button sequences. The menu structure guides users through calibration and diagnostic procedures efficiently.
Integration and Mounting
This LCD board attaches directly to the CPU assembly via a flexible cable. The Yokogawa F9342BL sits behind a protective glass window in the transmitter cover. Its compact size does not interfere with the transmitter’s mechanical dimensions. Field technicians can replace this board without disturbing process connections.
Application Scenarios
Maintenance teams use this display for quick field verification of pressure readings. It also aids in commissioning new transmitters without handheld communicators. The Yokogawa F9342BL provides essential visual feedback in remote or outdoor locations.
Details
| Weight | 0.04 kg |
|---|---|
| Dimensions | 55 × 40 × 15 mm |
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