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If the firmware has become corrupt on a PCB and can't be reprogrammed from the GunLink host PC it can be reprogrammed by connecting a cable directly to the PCB. This cable can be found in the spares kit and is a IP2022 Programming Dongle with a parallel connection at one end. A PC or Laptop with an on board parallel port and a Windows Operating System is required. Follow the instructions below to re-program the firmware: • You will need a PC running Windows near the GCU (a laptop would be easier), the IP2022 Programming Dongle, and the software CD.

The cable has a short ribbon cable connected by a 10-way IDC connector and a 25-way D type connector. • Browse the software CDs for the ' firmware ProgrammingFile IP2022' folder, copy the entire folder onto the laptop. You will need to install 'port95nt', double click on the file and follow the instructions. You can then double click on the 'ip2Kprog'; this is the application used to program the firmware.

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• On the same CD, go to directory 'firmware ReleasedBinaries IP2022'. This is where the firmware files are located. It is also a good idea to copy this folder to your laptop. The firmware will be labelled like this 'CommsCont1p3p7.elf' • Insert the programming dongle 25-way D type connector into the laptop parallel port, and open the ip2Kprog application. Click on File >Load >browse for the firmware for the PCB that requires programming. • On the PCB front edge there is a 10-way IDC header.

Place the dongle connector onto the header and click on 'Program' and watch the status bar at the bottom of the ip2Kprog application; it will first program the device, then verify it and finally give you an 'ok' status after roughly 9-12 secs. • If a PCB has more than one sector, then each individual sector can be reprogrammed. There will be a 10-way IDC header for each sector.

The Seamap range of depth and pressure transducers offer improved linearity, accuracy and stability over existing conventional transducer designs at an affordable price. A significant improvement is achieved by implementing a curve-fitting algorithm utilizing a thick ceramic piezo-resistive sensor film. The Seamap transducer design incorporates the latest in advanced electronic design techniques with embedded dual digital processors and improved signal conditioning circuitry, providing the capability to apply advanced error correction techniques which improve overall accuracy of depth and pressure readings over the full operating range. Transducers are configured to have a standard modulated frequency output making them fully compatible with existing industry standard frequency modulated depth and pressure monitoring systems and sensors. The Seamap transducers are designed specifically to work reliably in the harsh and demanding marine environment.

They are capable of withstanding extreme physical conditions. Special care is exercised in the selection of high quality components and their packaging is designed to protect them against component failure, corrosion and physical abuse. Hack Tems Investigation here. A ruggedised mechanical design utilizing 316 stainless steel, encapsulated electronics and industry proven connector protects the transducer from seawater corrosion and high impact mechanical shock.

The DT has an internal integrated snubbing mechanism to prevent peak presssure damage to the sensor face, minimizing the effect of long term fatigue. The ceramic sensor element eliminates problems commonly associated with conventional units such as corrosion and deformation damage to the sensor face. Buku Metodologi Deskripsi .pdf. The PT doesn’t require a snubber attachment because these is no surge creating a massive peak. Our improved design extends the working life of the transducer well beyond conventional units. The PT and DT range has been specifically designed to integrate with the GunLink 2000 system. This synergy creates optimum performance required in the field. A Seamap 16 channel 19” rack mount Depth and Pressure Monitoring System complete with quality control software is available to interface as required.