Page 50 The second and third lines get the blocks of 16 data values for the Bar mode channel 1. The fourth line gets the last 3 data values for the Bar mode scan channel 1. The next four lines show the next scan. Baud Port baud rate. Range: , , , , , Parameters , Returns If no parameter supplied, then the current baud rate is returned.
Write-Only The command is write-only. Out of Range The parameter sent is out of range. Memory The command tried to allocate memory and failed. Reset The Dymaxion has been reset. Page Operation Operation In order to send commands to the Dymaxion, the host must log in by sending the 00L function. The Dymaxion is organized into 32 data channels. Each of the channels can be set to either tabular a single mass or to analog, bar, total pressure, analog input, digital input, or disabled.
The date and time are stored with each scan. All parameters are retained when the Dymaxion is turned off. The time and date are not updated while the power is off. The sampling system serves as a bridge between the sample environment and the vacuum environment of 10 to 10 Torr required by the mass spectrometer.
If a sample is at the same operating pressure as the mass spectrometer, the sample can be analyzed directly. Page Sampling Under Vacuum Dymaxion. Aperture diameters and their corresponding sample chamber pres- sures are provided in Figure Aperture Valve High conductance inlet with manual valves. Page Inlets It is available with either a manual or Electropneumatic Valve electropneumatic valve. Figure shows the manual and electropneumatic capillary inlets. These can be mounted on any Dymaxion manifold.
Capillary inlet system. Page Aperture This valve allows the analyzer to be attached to a high vacuum process. The large bore of the valve permits good molecular flow to the analyzer. Installing one of the inlets will allow sampling from higher pressure samples after the high con- ductance valve is closed.
These pumping systems are application-dependent. Page 62 This page intentionally left blank. NOTE Figure Quadrupole head pinout, view of flange atmosphere side.
Page Closed Source Dymaxion to unlock the electronics from the qua- drupole head. Do not remove the cabling from the Dymaxion electronics. Remove and discard the copper gasket. Position the quadrupole head so that it is pointing up and is secure. The ion volume on the enclosed source must be removed to replace the filament. Page Installing The New Filament The pins should be electrically isolated from each other and from ground.
They should be isolated from ground. The repeller, source and focus plate can now easily be removed. Assembly and Installation Refer to Figure Lens 1 Barrel Connectors Lens 2 Detector Flange Assembly The filament bases can be left intact.
Remove the source assembly from the mass filter. Loosen and remove the three 3 locknuts that hold the source con- nection rods in place on the lenses. Page Cleaning The Ion Volume And Source Once the quadrupole head has been checked, replace the ion volume by setting it back on the head Figure and secure it with the set screw.
Insert the head into the vacuum chamber and secure using the six bolts originally removed. However, over time the system will begin to lose gain. When this becomes unacceptable, a new multiplier will restore the original gain of the system.
Because of the complexity of the detector flange assembly, we recommend that the multiplier be replaced at the factory. Page Troubleshooting The Dymaxion If the problem persists after going through these steps, you will have to local- ize the problem area. Page 75 Figure Filament status can be determined by the color of the lights. Refer to the previous section for LED details. Page 78 This page left blank intentionally. Screw locations. It is the shorter of the two boards attached to the LED panel.
Page Scan Board Replace or retighten the screws for the option plate to put it back in place. It is located under the Amp cover. See Figure There are eight screws holding the RF assembly in the unit casing.
Page 86 This page intentionally left blank. Dymaxion Accessories Mobile Cart. Includes complete packaging of Dycor analyzer, inlet system, and pumping station into one completely integrated package. Page 90 This page intentionally left blank. Pin 14 Jumpers shown in isolated output position.
See Figure A A-8 Dycor Dymaxion Mass Spectrometer Page Define the value to be used as the top of the analog output range. Figure A Adding a display screen for an output channel. A Dycor Dymaxion Mass Spectrometer Page This page intentionally left blank.
Complete information on how to use the modules is provided in the Opto 22 SNAP user manual that you received with the product. Page Installation The BB has the same functionality as the B, except that it does not support the Optomux protocol.
Upper address set to 8 and lower address set to 3 for a base address NOTE of The base address is an even multiple of 4. RS to RS converter cable. Click OK. The Device Properties dialog box appears. If a digital device is not listed, click Cancel. Page Add Display For Digital Module To create displays so that you can view the data being monitored, go to the mode display where you want your information viewed.
Right-click on one of the screens. Dig: Digital IN 0 1. Opto 22 Option Appendix B Refer to Chapter 8 in the software manual for setting up the Digital Outputs. Refer to Chapter 9 in the software manual for setting up the Analog Outputs. Print page 1 Print document pages. Rename the bookmark.
Delete bookmark? Cancel Delete. Delete from my manuals? Sign In OR. Don't have an account? Sign up! Communication can also be established through a network LAN using a standard Ethernet cable between the Ethernet Dymaxion and the network. Dymaxion Benchtop System All rights reserved. Printed in the U. Your most recent searches Delete. Frequent searches. Other sections. Dymaxion Mass Spectrometer 4 Pages Add to favorites. Catalog excerpts. Open the catalog to page 2. Open the catalog to page 3.
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