n6700 parameters of voltage/current query via the mode property
I try to back the tension of the query and the current settings on the power modules in my N7600 chassis. I use this routine. I get the following error. It works very well with my E363x feeds
It's working now. I had to add the 'active' channel to the node with the voltage and current demands. I got it that way originally, so I don't know why it didn't work. Maybe I still had the old broken driver... thought that I had a new already when I tried. It is in any case, everything works fine now. I can share what physical supply is used with MAX without the code never know the difference.
Tags: NI Hardware
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I'm trying for a couple of hours there is a query works as I want.
Our application needs to store settings for our organizational units. These organizational units are generally organized in a hierarchy manner: a high-level unit many units of the child. The settings are stored in another table with 1:1 relationship.
For ease of visualization, here are the data of the organization unit and parameter table in a more visual format:
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I made a request that seems to work when querying a unit at a time. It uses hierarchical operators (start by + connect by) with a bit of analytical functions. Here's a test & the raw output example:
Seems pretty good, higher settings are well "propagated" down with the LAST_VALUE function. But, I don't understand why the use of FIRST_VALUE and oppposite command does not give the same result. A little more play with the last query to get the final result of a given unit code:SQL> WITH hierarchy 2 AS 3 ( 4 SELECT ou.unit_code, 5 LEVEL AS lvl 6 FROM organization_unit ou 7 START WITH 8 ou.unit_code = '20-01' 9 CONNECT BY 10 ou.unit_code = PRIOR ou.parent_unit_code 11 ) 12 SELECT h.*, 13 p.param1 AS param1_raw, 14 LAST_VALUE (p.param1 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param1_with_last, 15 FIRST_VALUE(p.param1 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param1_with_first, 16 p.param2 AS param2_raw, 17 LAST_VALUE (p.param2 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param2_with_last, 18 FIRST_VALUE(p.param2 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param2_with_first, 19 p.param3 AS param3_raw, 20 LAST_VALUE (p.param3 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param3_with_last, 21 FIRST_VALUE(p.param3 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param3_with_first, 22 p.param4 AS param4_raw, 23 LAST_VALUE (p.param4 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param4_with_last, 24 FIRST_VALUE(p.param4 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param4_with_first 25 FROM hierarchy h 26 LEFT JOIN org_unit_parameters p 27 ON h.unit_code = p.unit_code 28 ORDER BY h.lvl DESC; UNIT_CODE LVL PARAM1_RAW PARAM1_WITH_LAST PARAM1_WITH_FIRST PARAM2_RAW PARAM2_WITH_LAST PARAM2_WITH_FIRST PARAM3_RAW PARAM3_WITH_LAST PARAM3_WITH_FIRST PARAM4_RAW PARAM4_WITH_LAST PARAM4_WITH_FIRST ---------- ---- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- -------------------- 00000 3 Default value Default value Value from 20 Default value Default value Value from 20-01 Default value Default value Value from 20 {null} {null} {null} 20 2 Value from 20 Value from 20 Value from 20 Value from 20 Value from 20 Value from 20-01 Value from 20 Value from 20 Value from 20 {null} {null} {null} 20-01 1 {null} Value from 20 {null} Value from 20-01 Value from 20-01 Value from 20-01 {null} Value from 20 {null} {null} {null} {null}
Works well!SQL> SELECT * 2 FROM 3 ( 4 WITH hierarchy 5 AS 6 ( 7 SELECT ou.unit_code, 8 LEVEL AS lvl 9 FROM organization_unit ou 10 START WITH 11 ou.unit_code = '20-01' 12 CONNECT BY 13 ou.unit_code = PRIOR ou.parent_unit_code 14 ) 15 SELECT h.*, 16 LAST_VALUE (p.param1 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param1, 17 LAST_VALUE (p.param2 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param2, 18 LAST_VALUE (p.param3 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param3, 19 LAST_VALUE (p.param4 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param4 20 FROM hierarchy h 21 LEFT JOIN org_unit_parameters p 22 ON h.unit_code = p.unit_code 23 ORDER BY h.lvl 24 ) 25 WHERE ROWNUM = 1; UNIT_CODE LVL PARAM1 PARAM2 PARAM3 PARAM4 ---------- ---- -------------------- -------------------- -------------------- -------------------- 20-01 1 Value from 20 Value from 20-01 Value from 20 {null}
But my ultimate goal is to create a view that properly solve all these parameters for each level of the organization with the good spread rather in new queries for each unit at once. I played a little, but without success. :( My current gross query is the following:
As you can see, it's not that I was expecting. I know there is something to do with a PARTITION BY clause, but do not know how.SQL> WITH hierarchy 2 AS 3 ( 4 SELECT ou.unit_code, 5 LPAD(' ',2*(LEVEL-1)) || ou.unit_code AS tree, 6 LEVEL AS lvl 7 FROM organization_unit ou 8 START WITH 9 parent_unit_code IS NULL 10 CONNECT BY 11 PRIOR unit_code = parent_unit_code 12 ) 13 SELECT h.*, 14 p.param1 AS param1_raw, 15 LAST_VALUE (p.param1 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param1_with_last, 16 FIRST_VALUE(p.param1 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param1_with_first, 17 p.param2 AS param2_raw, 18 LAST_VALUE (p.param2 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param2_with_last, 19 FIRST_VALUE(p.param2 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param2_with_first, 20 p.param3 AS param3_raw, 21 LAST_VALUE (p.param3 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param3_with_last, 22 FIRST_VALUE(p.param3 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param3_with_first, 23 p.param4 AS param4_raw, 24 LAST_VALUE (p.param4 IGNORE NULLS) OVER (ORDER BY h.lvl DESC) AS param4_with_last, 25 FIRST_VALUE(p.param4 IGNORE NULLS) OVER (ORDER BY h.lvl ASC) AS param4_with_first 26 FROM hierarchy h 27 LEFT JOIN org_unit_parameters p 28 ON h.unit_code = p.unit_code 29 ORDER BY h.unit_code; UNIT_CODE TREE LVL PARAM1_RAW PARAM1_WITH_LAST PARAM1_WITH_FIRST PARAM2_RAW PARAM2_WITH_LAST PARAM2_WITH_FIRST PARAM3_RAW PARAM3_WITH_LAST PARAM3_WITH_FIRST PARAM4_RAW PARAM4_WITH_LAST PARAM4_WITH_FIRST ---------- ---------- ---- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- ------------------------- 00000 00000 1 Default value Default value Default value Default value Default value Default value Default value Default value Default value {null} Value from 10-02 {null} 10 10 2 {null} Value from 20 Default value Value from 10 Value from 10 Default value Value from 10 Value from 10 Default value {null} Value from 10-02 {null} 10-01 10-01 3 {null} {null} Default value {null} Value from 20-02 Default value Value from 10-01 Value from 10-01 Default value {null} Value from 10-02 Value from 10-02 10-02 10-02 3 {null} {null} Default value {null} Value from 20-02 Default value {null} Value from 10-01 Default value Value from 10-02 Value from 10-02 Value from 10-02 20 20 2 Value from 20 Value from 20 Default value Value from 20 Value from 10 Default value Value from 20 Value from 10 Default value {null} Value from 10-02 {null} 20-01 20-01 3 {null} {null} Default value Value from 20-01 Value from 20-02 Default value {null} Value from 10-01 Default value {null} Value from 10-02 Value from 10-02 20-02 20-02 3 {null} {null} Default value Value from 20-02 Value from 20-02 Default value {null} Value from 10-01 Default value {null} Value from 10-02 Value from 10-02
Anyone know how to solve my problem?
Thank you
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For the purposes of reproducibility, here is the code to create the structure and data:
Here is the format of my paintings and a few samble data:CREATE TABLE organization_unit ( unit_code VARCHAR2(5 CHAR) NOT NULL PRIMARY KEY, unit_name VARCHAR2(100 CHAR) NOT NULL, parent_unit_code VARCHAR2(5 CHAR) ); CREATE TABLE org_unit_parameters ( unit_code VARCHAR2(5 CHAR) NOT NULL PRIMARY KEY, param1 VARCHAR2(100 CHAR), param2 VARCHAR2(100 CHAR), param3 VARCHAR2(100 CHAR), param4 VARCHAR2(100 CHAR) ); -- Inserting data INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('00000', 'Top level', NULL); INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('10', 'L2 unit #10', '00000'); INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('10-01', 'L3 unit #10-01', '10'); INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('10-02', 'L3 unit #10-02', '10'); INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('20', 'L2 unit #20', '00000'); INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('20-01', 'L3 unit #20-01', '20'); INSERT INTO organization_unit (unit_code, unit_name, parent_unit_code) VALUES ('20-02', 'L3 unit #20-02', '20'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param1, param2, param3) VALUES ('00000', 'Default value', 'Default value', 'Default value'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param2, param3) VALUES ('10', 'Value from 10', 'Value from 10'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param3) VALUES ('10-01', 'Value from 10-01'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param4) VALUES ('10-02', 'Value from 10-02'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param1, param2, param3) VALUES ('20', 'Value from 20', 'Value from 20', 'Value from 20'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param2) VALUES ('20-01', 'Value from 20-01'); INSERT INTO ORG_UNIT_PARAMETERS (unit_code, param2) VALUES ('20-02', 'Value from 20-02'); COMMIT;Hi, Bruno.
You almost had it!
Take your query that gets good results for a single node. Remove the START WITH clause so that it does the same thing for each node. You will need to add CONNECT_BY_ROOT to remember what node you started with in each case and PARTITION BY calling value in all the LAST_VALUE function:WITH hierarchy AS ( SELECT ou.unit_code AS ancestor_unit_code, LEVEL AS lvl, CONNECT_BY_ROOT ou.unit_code AS descendant_unit_code FROM organization_unit ou CONNECT BY ou.unit_code = PRIOR ou.parent_unit_code ) , got_params AS ( SELECT h.descendant_unit_code AS unit_code , h.lvl , LAST_VALUE (p.param1 IGNORE NULLS) OVER ( PARTITION BY h.descendant_unit_code ORDER BY lvl DESC ) AS param1 , LAST_VALUE (p.param2 IGNORE NULLS) OVER ( PARTITION BY h.descendant_unit_code ORDER BY lvl DESC ) AS param2 , LAST_VALUE (p.param3 IGNORE NULLS) OVER ( PARTITION BY h.descendant_unit_code ORDER BY lvl DESC ) AS param3 , LAST_VALUE (p.param4 IGNORE NULLS) OVER ( PARTITION BY h.descendant_unit_code ORDER BY lvl DESC ) AS param4 FROM hierarchy h LEFT OUTER JOIN org_unit_parameters p ON h.ancestor_unit_code = p.unit_code ) SELECT unit_code, param1, param2, param3, param4 FROM got_params WHERE lvl = 1 ;Output:
NIT_ PARAM1 PARAM2 PARAM3 PARAM4 ----- ---------------- ---------------- ---------------- ---------------- 00000 Default value Default value Default value 10 Default value Value from 10 Value from 10 10-01 Default value Value from 10 Value from 10-01 10-02 Default value Value from 10 Value from 10 Value from 10-02 20 Value from 20 Value from 20 Value from 20 20-01 Value from 20 Value from 20-01 Value from 20 20-02 Value from 20 Value from 20-02 Value from 20I hope that's what you want. I don't see the exact results you wanted posted anywhere.
Thanks for posting the CREATE TABLE and INSERT statements; It is very useful.
The difference between LAST_VALUE (... DESC) and FIRST_VALUE (... CSA) has to do with the default windowing.
Say that we try to calculate FIRST_VALUE and LAST_VALUE on a line where lvl = 1, and it has 2 and 3 lvls in the same partition.
LAST_VALUE (... ORDER BY DESC lvl) means the window includes lvl = values 1 and all the highest (i.e., 2 and 3).
FRIST_VALUE (...) ORDER BY DESC lvl) means the window includes lvl = 1 and all the values (which, of course, their absence)
It is because the widow of default is BETWEEN UNBOUNDED PREVIOUS AND CURRENT ROW, where "preceding" means lower values if you use ascending order, but higher values if you use descending order. We could use FIRST_VALUE to get the same results, but we will have to explicitly set the window in BETWEEN CURRENT_ROW AND UNBOUNDED FOLLOWING.Published by: Frank Kulash, November 12, 2010 12:46
Additional explanation of LAST_VALUEPublished by: Frank Kulash, November 12, 2010 13:04
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If you are looking through the search bar in the Navigation toolbar, this preference can be changed to research it open in a tab.
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I don't know how to change the task ahead because the DAQ assistant creates the task when it is running, and there is no job before that.
In the attached photo, I have a conditional section, configured to run only if the loop iteration is 0. I take the task of the Daq assistant, sending him stop vi of task, set the property and then send the task with the snap the vi task. I can watch him run with lightweight debugging on, and everything seems to work properly, but on the second (and all others) iteration of the loop, I read I. Max and it seems that a re DAQ Assistant set it to the 5V. You can see what's going wrong here?
BTW, there is a continuous acquisition and the code doesn't produce error messages when executing.
I've encountered a similar question someone posted here in 2006, but his question was specifically a Labview API (VB, I think) and not a real solution of G.
Attached are the real vi in question and a PNG of the block diagram.
Thank you!
Ruby K
First of all, if you want to start getting beyond the basics with the DAQ hardware, you have to stop using the DAQ assistant and do it with lower level VI DAQmx. There are hundreds of examples in the finder of the example. You can even make a right-click on the DAQ assistant and select open front panel. This will create a Subvi, you can open and see what is happening behind the scenes. Do it. I think you will find that the task DAQ is recreated on each (although I'm not 100 percent the way parameters are established or maintained in each section of this sub - VI).
The second problem is that you have a bit of a race on iteration 0 condition. These two property DAQ nodes are running at the same time. Thus, when you read the AI. Max, this can happen before or after the AI. Max is located in the structure of your business.
Thirdly, make sure that involve you your son of the error.
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Hello
I'm trying to use two sensors of moisture Omega HX85BA and experience two CFI mass flowmeters in current loop. Humidity sensors have three outputs 0 - 10V, while flow meters have two outputs 4-20 Ma. Can I have all four sensors to wire to the same block of connection SCXI-1303 and read all the signals in the same VI? the block is connected to an SCXI 1102 b card and a 6052E DAQ of NI PCI card.
Thanks in advance!
Hello BBalmforth,
Yes it can. Although you will need external resistances (I recommend resistors precision for better accuracy) for current signals. The SCXI 1102 b is indirectly measuring the current by measuring the voltage drop across the resistance. The table below describes the current diagram and how it will seek in LabVIEW and DAQ assistant.
Wiring diagram
LabVIEW
DAQ Assistant
Kind regards
Izzy O.
Technical sales engineer
National Instruments
NI.com/support
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How to set the parameters of "Configuration ThinPro" via the HP Device Manager
Hello
Maybe I'm blind, but how can I set the settings in "Setup ThinPro', accessible from
ThinPro Control Center-->
Control Panel-->
Setup-->
Configuration ThinPro
through the HP Device Manager? These parameters allows to use a very strict kiosk mode, which we want to deploy. So far I found just to solve this problem through a complete picture, but this isn't a solution for me.
I hope that I have forget something or you have another clue.
Concerning
Looks like there is no direct way via the HP Device Manager. Now, I manually configure a thin Client and save the registry.xml that I can ride with other devices.
Concerning
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Hello
Kindly let me know how to print the query, and the parameters passed to it? I tried with the params parameter in super.executeQueryForCollection (qc, params, noUserParams); but could not succeed.
I need save the query and the parameters passed to it. Kindly help.
Thanks in advance,
Kalpana.
Here you go
Coding with Passion: Oracle ADF - Debug Mode object query with parameters
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