PWS100 Present Weather Sensor - Campbell Scientific

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Section 7. Operation NOTE The data storage function will not store data while the terminal or menu is active. This means data will be missing during these periods. To reduce data loss reduce the amount of time that the terminal or menu are active. 7.3.3 Message Polling While the menu system or terminal mode are closed, it is possible to poll data from a suitable set sensor (see Sections 7.4.1 and 7.6.1 for information on how to set up messages for polling). In order to poll a message the MSEND command must be used with the correct Pws_Id, stats_period and message_ID. Statistics are calculated over the stats_period in seconds which completely overrides any period defined within the message. The message can be either a fixed or user defined message from 0 to 19. The command for message polling is as follows: MSEND Pws_Id stats_period message_ID ↵ e.g., MSEND 0 3600 10↵ 7.4 PWS100 Menu System In the example given above, the PWS100 will respond with fixed message_ID 10 statistics calculated or sampled over the stats_period of 3600 seconds for the PWS100 with a Pws_Id of 0. If the stats_period is zero then the statistics are calculated from the last collection interval. So the polling interval controls the interval at which statistics are calculated over, up to a maximum of 2 hours. Setting stat_period to less than 10 seconds will result in repeated data due to the ten seconds measurement cycle (see Section 8.5). From the command line the use of the OPEN command, as detailed in Section 7.3.2, will initiate the menu system which can be used to set up the operation of the PWS100. NOTE If there is no activity for 10 minutes with the menu system open it will automatically close. The menu system map is shown in Appendix D. The menu is controlled by means of numeric selections followed by the enter key. Pressing enter by itself will return the user to the previous menu. A selection followed by the enter key will lead to the display of a specific menu or allow a specific parameter value to be input. Entering an incorrect selection or parameter value will return the user to the same menu. Pressing the delete key will delete the current entry. Pressing the escape key will clear the current entry and return to the previous menu. NOTE Entering the command line (terminal mode) from the menu system will lead to a loss of all changes made during navigation of the menu system. 7-4
Section 7. Operation Section 7.4.6 gives further details of how to set up the PWS100 with the command set in the terminal mode (option 7 from the SETUP menu). FIGURE 7-1. PWS100 setup menu 7.4.1 Top Menu Options 0, 1 and 2 (Message n) The options 0, 1 and 2 from the SETUP menu are entitled ‘message 0’, ‘message 1’ and ‘message 2’. These are used to setup the message outputs for messages with ID 0, 1 and 2. Selecting one of these brings up the MESSAGE menu as shown in Figure 7-2. Each message allows the user to select message intervals, modes and fields (option 1). FIGURE 7-2. Message menu 7-5
Page 1: PWS100 Present Weather Sensor Revis
Page 4 and 5: Assistance Products may not be retu
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Page 16 and 17: Section 3. Initial Inspection 3-2
Page 18 and 19: Section 4. Overview 4-2
Page 20 and 21: Section 5. Specifications 5.3 Optic
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Page 24 and 25: Section 6. Installation In order to
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Page 30 and 31: Section 6. Installation PG9 CABLE G
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Page 44 and 45: Section 7. Operation Message Field
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Section 8. Functional Description 8
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Section 8. Functional Description s
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Section 9. Maintenance It is advisa
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Section 10. Troubleshooting 10.2.3
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Section 10. Troubleshooting 10-4
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Appendix A. PWS100 Output Codes Clo
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Appendix A. PWS100 Output Codes Fre
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Appendix A. PWS100 Output Codes Sno
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Appendix A. PWS100 Output Codes How
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Appendix A. PWS100 Output Codes A-1
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Appendix B. Wiring FIGURE B-2. DSP
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Appendix C. Cable Selection WIRING
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Appendix C. Cable Selection WIRING
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Appendix D. Software Flowchart D-2
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Appendix D. Software Flowchart G Po
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Appendix D. Software Flowchart L Sh
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Appendix E. Menu System Map E-2
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Appendix E. Menu System Map E-4
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PWS100 Present Weather Sensor - Campbell Scientific

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