The Simrad Interface 381-073653 PCB Card for the Simrad EA 500 Hydrographic Echo Sounder is a critical electronic circuit board designed to manage signal processing and system communication within professional hydrographic surveying equipment. Engineered to meet strict maritime data acquisition standards, this specialized printed circuit board ensures accurate transmission and interpretation of acoustic signals for bathymetric mapping and depth measurement operations.
Product Datasheet & Technical Parameters
- 💡 Operating Voltage: Standard internal system power rails (+5V DC, +/-12V DC, +24V DC regulated)
- ⚖️ Weight: Approximately 0.6 kg to 0.9 kg depending on integrated component layout
- 🌍 Origin: Norway / Authorized Global Marine Electronics Manufacturing Plants
- ⚡ Power Consumption: Low-wattage electronic board layout optimized for instrument rack integration
- 🔧 Mounting Type: Plug-in card architecture designed for dedicated rack-mounted card cages
- ⏱️ Processing Speed: High-speed signal handling tailored for real-time acoustic pulse coordination
- 🛡️ Protection Rating: IP22 internal rack protection requiring a sealed main instrument housing
- 💧 Operating Humidity: Up to 90% non-condensing relative humidity tolerance in marine environments
- 🔄 Communication Port: Internal bus interface connections for multi-channel data routing
- 🌡️ Operating Temperature: Thermal range from 0°C to +45°C for standard survey control rooms
Application Fields
- Hydrographic surveying and high-precision bathymetric mapping
- Scientific marine research vessel bottom profiling
- Navigation charting and coastal bathymetry data collection
- Port and harbor depth verification operations
- Deep-water subsea topography analysis
Product Precautions
- Observe strict electrostatic discharge (ESD) handling procedures, including grounded wrist straps, when touching or installing the circuit board.
- Ensure all instrument power supplies are completely shut off before inserting or removing the PCB card from the card cage.
- Protect the board from moisture, salt spray, and conductive dust accumulation during maintenance operations.
Parameter Settings & Modification Methods
- Configure board-level jumper settings and switch configurations precisely according to the technical service manual specifications.
- Calibrate input/output signal gain levels through the system software calibration menu after replacement.
- Verify bus communication addresses and slot positioning before powering up the hydrographic processor unit.
Manual/Automatic Mode Switching
- Transition the EA 500 system between manual and automatic pinging modes via the main operator control software interface.
- Confirm that acoustic transceiver parameters are stable before altering data logging states.
- Ensure automated bottom-tracking routines are verified prior to initiating survey data acquisition lines.
Emergency Shutdown Operations
- Cut the master power supply to the entire echo sounder rack immediately in the event of an electrical short circuit or burning smell.
- Disconnect internal DC power feeds before performing emergency component inspections.
- Inspect all system fuses and power supply distribution boards for damage prior to a system restart.
Frequently Asked Questions (Q&A)
- Q: What indicates a failure of the interface PCB card within the EA 500 system? A: System communication errors, missing transceiver data channels, or failure to boot up the processor rack typically indicate a fault on the interface board.
- Q: Can this PCB card be hot-swapped while the system is powered on? A: No, hot-swapping is strictly prohibited as it can damage sensitive integrated circuits and corrupt system backplane power rails.
Industry News & Updates
Modern hydrographic echo sounders increasingly transition toward digital signal processing architectures and Ethernet-based telemetry networks. These technological improvements enhance depth resolution, reduce signal noise, and allow legacy sonar platforms to interface seamlessly with modern digital charting and GIS mapping software suites.
Recommended Related Series Models
- Simrad EA 500 Transceiver Board 381-073645
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- Simrad EK 60 Scientific Echo Sounder Interface Card
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- Simrad Sonar Power Supply Unit 381 Series
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