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Quick Links. Download this manual. Table of Contents. Troubleshooting Diagnostics and Troubleshooting 69 Instrument Problems The latest version is found at www. Date of Issue Revised Material First issue Service procedure updated General update Minor changes in section 1, 4 and Document References ESD Information Parts of this instrument, e.
These instruments are now referred to as Generation 1. PC is a popular standardized form-factor for small computing modules typically used in embedded system. Processor board acts as a controller for the peripheral components. Page Compactflash Disk 2. It is to be considered a closed, factory calibrated box. There is under no circumstance any reason to open it for maintenance, inspection or other purpose.
On the contrary an opened monochromator will not be covered by warranty, neither will it be accepted in the exchange part system. Page 19 This PCB is therefore a unique part dedicated for each monochromator and cannot be changed. It has no internal electronics other than the power supply cable and light bulb.
It is constructed in a sealed and shielded box with a window for light input and a connector for digital input and output. These voltages are used by a variety of instrument components, including the PC module, measuring unit, lamp, display, and optional equipment TWM, STM etc.
Page 27 At start-up the wiper arm moves between the physical end positions. Then a couple of pulses are taken away in each end. The position of the cuvette is detected by two magnet sensors in the elevator unit. Electrically the STM is connected to either of the two ports on the measuring Unit. The Infratec is assumed to be prepared for this hardware such that the back plate has got place for a High Density DSUB15 connector for this purpose. Page Installation The site preparation is intended to be carried out prior to the installation of the instrument at the customer site.
Filling Out Installation Documents Each instrument is delivered with an Owners Guide binder where you will find all installation documents to be filled out. I left and Measuring Unit Gen. II right The next step requires that the instrument be tilted on its left side. Before this can be done, there must be adequate workbench space and a soft padding or equivalent must be laid where the instrument will be tilted on its side.
This is done by unscrewing the screws with a 4 mm allen wrench, see Fig. The workbench should be as level as possible. The workbench should also be as free from vibrations as possible.
Use the holes market with arrows in Fig. Attach bracket with two short screws using a 3 mm allen wrench. Fasten the cover plate assembly with two long screws using a 3 mm allen wrench. Note: Fasten a toothed plate connector in the plane counter- sinked hole.
The Test Weight Module power cable can be connected in either of the two optional contacts 2 or 3. They should be moved to the TWM later. Place some soft material on the table to prevent scratches. Keep the screws because they are needed later. It is used to hold it in place before it is fasten by the screws later in the assembly. Fasten the cover plate to the deflector and adjust.
Then fasten the screws holding the deflector. Use the three screws that were holding the bottom plate to cover the screw holes one screw is not shown below. Prepare the Test Weight Unit by mounting the two plastic slides from the Infratec.
Put the sensor as much to the left as possible. Put in the holder into the TWM. Note that the cable from the drawer sensor should be placed between the rubber sealing and the chassis. Loosen the three letter screws 1 on the Front Transport Securing Device. Store them in the extra holes on the Front Transport Securing Device.
Loosen the two letter screws 1 on the Back Transport Securing Device and grip the Test Weight Module at the same time so that it will not fall. Store them as well in the holes in the Front Transport Securing Device. Take the Test Weight Unit and connect it to the Infratec. Place the balance behind the deflector so that the level sensors don't touch the deflector. Refit the two beams 1 and 2 and the three feet. Place the Infratec into standing position.
Connect the TWM to the measuring unit. Make sure that no cables are touching the balance. Swich on the Infratec. Right click on Network Name. Page 57 Add an instrument group to the instrument type by right clicking on instrument type, select New Group from the context menu. In the example a New Group is added to Infratec Click OK. Select 1 Main Menu. The IT department should also supply all information needed.
Press Activate. Enter the right port for the Infratec to connect. Continue to register the instrument in Mosaic. In Unassigned Instrument the newly synchronized Infratec will appear. Select the Network and Instrument group that the instrument should be assigned to and click OK.
This chapter helps you to quickly find the explanation and likely cause to most of the error messages and faults. Page Poor Reference Data The appropriate value for this parameter, as well as the appropri- ate values for A and B parameters, are determined when the calibration is developed.
Page Instrument Problems 4. The hardware is connected to the PC via a two-wire bus called the I2C. This is a Phillips developed bus. All communication commands, analytical data, error messages is performed through the bus. It is therefore possible to have a black display, when the error is actually in the I2C communication. Situation: A black display or an error log with information pointing in different direc- tions.
Page Service Menu Service Menu. The Service Menu is therefore password protected. Password is only given to personnel approved by FOSS. Most of the headings in the Service Menu have sub menus, see menu structure on next page. If they do not match, the program outputs an error message. You will then need to run the BIOS setup program to set the configuration information in memory.
Voltage check After checking the PSU hardware, a voltage check is performed. The result is presented as "True" or "False". Line description including typical value Units limit The date and time of the Self-test is also shown.
There will be a report on the screen with the test result as below. For decoding of the Hardware error log, see 4. The test results are presented in the same way as described in section Self-test, with an option to save to disk.
Air Stability Almost identical to the "Air stability test" test carried out in the Self test routine, with one exception: This test has an option to break the test by using the Stop function that makes it possible to go on measuring stability after the test has passed.
Ten sub samples are taken and the 2 peak is detected and displayed on the screen. Line description including typical value Units Min. If any error occur this is reported to screen and Error log. All the tests below are addressed one by one and performed in manual order. Test Weight Cycle This function runs a complete Test weight cycle sequence but with possibilities to check part sequences and continue.
Try to compare the entries using the time stamps. This way you will many times get a better understanding because you can see both what the customer reported SL and what command was sent at the same time.
Foss A/S - Infratec 1241 Grain Analyzer
Analytical Services. About Speciation. Discussion Forum. Spectrometer Molec. Features: Automated, fast, accurate analysis of grain quality parameters. Easy operation without sample preparation. Patented stabilising technique.
Infratec™ 1241 Grain Analyser
Foss Infratec 1241 Service Manual
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