How to modify the frequency of a pulse generator without stopping application

I need to generate pulses on a counter output of a 6024 card. But I have to change the frequency while the programm is running between 1Hz to 800 Hz.
If I do the initalization on each loop, the system becomes very slow and I can't reach 800Hz.
Anyone can help me?

Good news -- you can change the frequency on the fly with no skipped pulses. You'll find a couple examples posted here on ni.com by searching on "pulse width modulator". One's for traditional DAQ, the other's for DAQmx.
Possible caution -- not too many NI-DAQ's ago, there was a limitation about changing pulse specs on-the-fly. I'm not sure whether it still applies to the latest traditional NI-DAQ or to DAQmx. Caveats aside, here's what that limit was (is?):
-once you set new pulse specs on-the-fly, you must allow at least one new pulse to be generated before the next time you set new pulse specs.
Your frequency range is low enough that you'll likely need to put extra delays in your code to keep it working smoothly.

Similar Messages

How to measure the frequency of a pulse being generated by a counter

Hi,
I am using labview 8.6 to generate 5 evenly spaced pulses for every 1 revolution of my shaft. However, I would also want to know the frequency of these pulses so I can determine the shaft speed. Since I am already generating the pulses using one of my counters, can I still tap into that or task another counter to measure the pulse frequency? If so, how? I have attached my code for generating the pulses and I am using an Ni 9401 module and an NI 9172 chassis. If someone can helo me modify the code to measure and tell me the pulse frequency as well, that would be really appreciated
Attachments:
autotrain2.vi ‏19 KB

You'd probably get a more coherent answer if you didn't bounce around from thread to thread so much...
How can I generate a pulse train from shaft encoder? (5/13)
pulse train from encoder (5/15)
how to measure rpm (5/20)
How to measure rpm using shaft encoder and labview (5/23)
This thread (also 5/23)
I see you ignored my suggestion from the other thread--Kevin's solution is good too but using an encoder task offers more noise immunity (I think this is probably the cause of the problem you reported on the other thread). You can fix it with digital filtering if you want to keep using a counter output instead of an encoder task. Noise during transitions is pretty common for a quadrature encoder.
A finite counter output task uses 2 counters on the 9172 (although you said 9174 earlier at one point--this wouldn't be the case on a 9174) so you wouldn't have one left to make your frequency measurement. With the solution you have now, you can change to continuous to free up a counter if you don't care about outputing an exact number of rotation's worth of pulses (I'm not sure if you do or not--I didn't read through all of the various threads relating to this application to find out).
For your actual question in this thread... Have you tried running one of the frequency measurement examples? From the code here I can't tell what you have tried (it just looks like a mangled version of the code Kevin gave to you in your other thread).
Best Regards,
John Passiak

In NI-DAQmx, how to change the frequency of a pulse train?

I was using "GPCTR_Change_Parameter()" to change the frequency of my pulse train in Traditional NI-DAQ and Labwindows/CVI; is there any function can do the same thing in NI-DAQmx without restarting the task?

You can do this in one of two ways, depending on the version of NI-DAQ you are using. If you are using 7.2 or later, you can use the counter write functions (ex: DAQmxWriteCtrFreq()), which are available for each flavor of pulse generation tasks (Freq, Time, Ticks). If you are using NI-DAQ 7.0 or 7.1, you can modify the attributes directly (DAQmx_CO_Pulse_HighTime, DAQmx_CO_Pulse_LowTime, etc). Keep in mind that for each attribute pair, one of the attributes will cause the counter to load the new pair. The attribute that causes the load is LowTime, LowTicks, and Frequency.
I hope this helps!
gus....

For PCI-4451,How to change the frequency of an output signal without any undefined state

I would like to generate a signal using output channels of PCI-4451 and at the same time capture data using the input channels. Is there any method that I can generate a continuous signal without any undefined state when the signal frequency is being changed?
Attachments:
Input_Signal.bmp ‏729 KB

Wee,
DSA boards such as the PCI-4451 have a number of very desirable properties including high precision and a high sampling rate. The trade-off for the combination of these two properties is that the DSA boards cannot adjust their sampling rate on-the-fly. Instead they have to be stopped and reconfigured. During this reconfiguration time, the value of the board's output becomes flat and level.
If you are looking to adjust the board's output without seeing these flat spots, you have to take a different approach to programming a DSA board. Instead of reconfiguring the board, what you need to do is allow the board to continue to run (at the same output frequency), and then overwrite the output buffer that the board reads to output values. This will
allow you to output new data without the flat spots. Below you will find an example that displays this behavior.
If you determine that this is not an acceptable workaround due to the limitations on output rates, you may want to look at using a Multifunction DAQ board (60xx or 62xx) or an arbitrary waveform generator (54xx) device instead.
Best of luck with your application.
Regards,
Jed R.
Applications Engineer
National Instruments
Attachments:
Cont_Gen_Voltage_Wfm-Int_Clk-With_Updates_for_DSA.llb ‏161 KB

How to change the frequency of a finite pulse train?

Hi all? I Know I’ve asked once a similar question, but I need a better answer. I would like some ideas or examples on how to modify the example in LV; "Finite Pulse Train Generation - Intermediate for AM9513-Based Devices",so that the frequency can be changed while the VI is executing.
Will i have any problem with I use this VI in a DAQ-STC-Based Devices(E-series)?

Tiano,
I will try to better explain the paragraph on LabVIEW. The original paragraph reads ...
"While in a loop for continuous pulse train generation, make two calls to Counter Set Attribute.vi to set the values for "pulse spec 1" (constant 14) and "pulse spec 2" (constant 15). Following these calls you would make a call to Counter Control.vi with the control code set to "switch cycle" (constant 7). The attached LabVIEW programs demonstrate this flow."
You can make two calls to Counter Set Attribute or you can make a call to Set Pulse Specs which, if you open this VI, you will see that it is just making two calls to Counter Set Attribute. What you are doing with the Counter Set Attribute VIs is setting two registers called "pulse s
pec 1" and "pulse spec 2". These two registers are used to configure the frequency and duty cycle of your output frequency.
The example program which is attached to this Knowledge Base demonstrates how to change the frequency of a continuous generation on the fly. Why continuous? Because changing the frequency of a finite train would be easy. When the train completes it's finite generation you would just change the frequency and run a finite train again. You would not care about the time delay due to reconfiguration of the counter.
If you would like to change the frequency of the pulse train using a knob, this functionality will have to be added in the while loop. The while loop will be continuously checking for the new value of the knob and using the knob value to set the pulse specs.
LabVIEW is a language, and as with learning all new languages (spoken or programatic) there is a lot of learning to be accomplished. The great thing is that LabVIEW is much easier than mo
st languages and the learning curve should be much smaller. Don't fret, you'll be an expert before you know it. Especially since you're tackling a challenging first project.
Regards,
Justin Britten

How to change the frequency of pulse train on the fly using an array of values?

Hi all!
First I want to thank U for the great job you are doing for this forum.
Iam still busy trying to control a stepper motor, by sending pulses from my E-series 6024 to a compumotor s6- stepper Driver. I've managed to get it working. I desperately need to control the motor using the values from an array. I believe we can use two approaches for that:
1st - I can get an array of the "numbers of pulses". Each element must run for 10 milliseconds. Using that we can calculate the array of frequencies to send the number of pulses within 10 milliseconds for each specific element. Could we use the arrays of "number of pulses" and frequencies in a "finite pulse train " and up
date with each element every 10 millisecond?
2nd - Or Could we use of the frequency array in a "continuous pulse train vi" and update it every 10 milliseconds?
Please note that I must use the values as they are.
Can someone please built a good example for me? Your help will be appreciated.
Regards
Chris
Attachments:
number_of_steps.txt ‏17 KB
frequency.txt ‏15 KB

Tiano,
I will try to better explain the paragraph on LabVIEW. The original paragraph reads ...
"While in a loop for continuous pulse train generation, make two calls to Counter Set Attribute.vi to set the values for "pulse spec 1" (constant 14) and "pulse spec 2" (constant 15). Following these calls you would make a call to Counter Control.vi with the control code set to "switch cycle" (constant 7). The attached LabVIEW programs demonstrate this flow."
You can make two calls to Counter Set Attribute or you can make a call to Set Pulse Specs which, if you open this VI, you will see that it is just making two calls to Counter Set Attribute. What you are doing with the Counter Set Attribute VIs is setting two registers called "pulse s
pec 1" and "pulse spec 2". These two registers are used to configure the frequency and duty cycle of your output frequency.
The example program which is attached to this Knowledge Base demonstrates how to change the frequency of a continuous generation on the fly. Why continuous? Because changing the frequency of a finite train would be easy. When the train completes it's finite generation you would just change the frequency and run a finite train again. You would not care about the time delay due to reconfiguration of the counter.
If you would like to change the frequency of the pulse train using a knob, this functionality will have to be added in the while loop. The while loop will be continuously checking for the new value of the knob and using the knob value to set the pulse specs.
LabVIEW is a language, and as with learning all new languages (spoken or programatic) there is a lot of learning to be accomplished. The great thing is that LabVIEW is much easier than mo
st languages and the learning curve should be much smaller. Don't fret, you'll be an expert before you know it. Especially since you're tackling a challenging first project.
Regards,
Justin Britten

How to modify the coding part of KE30 reports ?

How to modify the coding part of KE30 reports ,
so that I can be able to restrict report output based on sales office.
I am unable to find out the program name also.
Regards
Anubhav

>
Venkat Reddy wrote:
> Hi,
>
> If u want to know the program running for KE30 just go to SE93 and give KE30
> and click on display you can see the program running for KE30 will be SAPMKCEE.
> I think this is much simpler :-).
>
> Rather than change the standard report try to prepared your own that will be more
> comfortable since it will be complex task to achieve editing the standard program.
> Good Luck
>
> Regards
> VEnk@
>
> Edited by: Venkat Reddy on Dec 11, 2009 4:52 PM
Venkat,your answer is much simpler If the OP knows there is a tcode Se93, what if he/she does not know it??
P.S: Just a thought.
Regards.
Vishwa.

How to modify the field lengh of file upload

Hi All,
   I am facing a problem with u201Cuploadu201D filed length in BSP application.
When we upload the file in BSP page, the path displayed should be the full path (i.e. from where the file is being upload the file)
Now this field is appearing 20 char length
Now I want to increase the length of the upload field (Input field) to be 100 char so that the path is visible.
In the current application the file upload is being done through a structure (attributes)
In this structure the fields are like this
PAGE_NAME
ID
FOR
TAGS
ROW_INDEX
COLUMN_INDEX
OTR_NAME
REQUIRED_NAME
MAXLENGTH
SIZE
TABLE_NAME
ON_SELECT
VALUE
DISABLED
ONCLICK
TEXT
TYPE
Using this method:
CALL METHOD cl_htmlb_fileupload=>factory
          EXPORTING
            Id      = ls_form_save-id
          RECEIVING
            Element = lv_fileup.
        bee_table->add ( level = 2 element = lv_fileup ).
This cl_htmlb_fileupload is named as class interface.
Which has the CLG_HTMLB_FILEUPLOAD (it is a class) it is defined in attributes.
In this class it has the attribute u201CSIZEu201D by default string 20.
Now I need to change this attribute length from 20 to 100
For this I copied the standard class CL_HTMLB_FILEUPLOAD into ZCL_HTMLB_FILEUPLOAD.
This ZCL_HTMLB_FILEUPLOAD contains all attributes of the standard class CL_HTMLB_FILEUPLOAD
Including the one class (CLG_HTMLB_FILEUPLOAD), this is defined as an attribute (ABOVE MENTIONED?)
This class is appearing in non editable mode, so   I have copied this class into zclass (ZCLG_HTMLB_FILEUPLOAD).but still I am not able to edit the attribute called u201Csizeu201D
And also I am not bale to add the zclass in place of the ZCLG_HTMLB_FILEUPLOAD
Kindly tell me how to modify the length of the field u201Csize u201Cand also how to add the zclass in the attributes of one class (syntax)
Thanks in advance
Rambabu.A

Hi,
Class CLG_HTMLB_FILEUPLOAD is a class automatically generated when a BSP Element is created. You should not change/create such a class, unless by creating your own BSP Element.
As per your requirement, you can use the SIZE parameter of method factory:
ls_form_save-size = '100'.
CALL METHOD cl_htmlb_fileupload=>factory
EXPORTING
Id = ls_form_save-id
Size = ls_form_save-size
RECEIVING
Element = lv_fileup.
Regards,
Tanguy

Can any one tell how to modify the PO that is being sent as an email?

Hi,
Can anyone let me know that how to modify the PO with some more additonal data while being sent as an email.
My actual requirement is that PO is already being sent as an email when the PO is created.But now they want some more additional data as an attachement along with PO to be sent as email.ie both PO and another scriptform(which contains some other additonal data other than from PO) have to be sent as an email to the vendor when the PO is created.
I would like to know the name of the userexit,where I can modify the existing PO or else please let me know how to resolve this issue.
First of all I would like to know the name of the userexit where this PO is being sent as an email.
It doesn't matter whatever the solution might be.But we need to send another sapscript form or additional data as an attachement along with PO through email to the vendor.I dont know whether it should be another script or it is also ok to add that data to the existing PO and then only the PO can be sent.
Thanks,
Krishna

Eswar,
Thanks for your email.Can you please be bit clear.I am new to this area.
Any flexible solution is ok for me.Is it in the Userexit,that I need to include the code or what are outtypes as you said.
Please give me clear solution.
Thanks,
Krishna

In List, How to modify the Link in Quick Edit Mode?

In List, How to modify the Edit in Quic Mode Link? Instead of opening Quick view mode, to open in InfoPath customized form?

Hi Eugene,
According to your description, my understanding is that you want to midify the link of "Edit" and set it linking to a InfoPath Form which can bulk edit your List.
You can use the code above to modify the Edit's hyperlink and set it linking to your InfoPath form.
<script src="http://code.jquery.com/jquery-1.10.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
$("#idHomePageNewItem").next("a").attr("href","the URL of your InfoPath form");
$("#idHomePageNewItem").next("a").removeAttr("onclick");
</script>
For more information about bulk updating a SharePoint list using InfoPath form, you can have a look at the blog:
https://social.msdn.microsoft.com/Forums/sharepoint/en-US/c05983fc-d992-49ff-8d18-fa8f70777d66/using-infopath-2010-to-bulk-update-a-sharepoint-list?forum=sharepointcustomizationprevious
http://infopath.wordpress.com/2013/09/23/infopath-repeating-table-add-edit-delete-sharepoint-list-items-bulk/
http://sharepointknowledgebase.blogspot.com/2011/10/updating-sharepoint-list-by-using.html#.VGFsKHkcSM8
If any misunstanding, please feel free reminding me and provide more detail for your issue.
Best Regards,
Eric
Eric Tao
TechNet Community Support

How to modify the search results of the GUI for subscribing to calendars

How to modify the search results of the GUI for subscribing to calendars
Note:
<OL>
<LI>The following information applies only to iPlanet Calendar Server 5.0
Patch 3.
<LI>All of the cases for which the XSLT changes will work have not been
verified.
<LI>The following is only an example of an XSLT customization.
</OL>
The example below shows a sample customization of the
search_for_calendars
dialog. This customization will result in the Display Name being included as
part of the search results in the GUI, which would normally show just the
calendar ID. It will render the returned calendars in the following format:
<P>
Display Name - <I>description</I>
<P>
Normally, the format would be as follows:
<P>
Calendar-ID - <I>description</I>
<P>
</A>
The example consists of the following two files:
<P>
<OL>
<LI>search_for_calendars_common.xsl
(the entire XSLT file)
<P>
<LI>diffctx.txt
(the context sensitive diff patch file,
which basically shows only the changes that need to be made)
</OL>
<P>
<HR>
</A><B>
search_for_calendars_common.xsl</B>
<?xml version="1.0" ?>
<!DOCTYPE xsl:stylesheet (View Source for full doctype...)>
- 
- <xsl:stylesheet xmlns:xsl="http://www.w3.org/XSL/Transform/1.0">
- 
<xsl:output method="html" encoding="ISO-8859-1" />
<xsl:include href="data/common.xsl" />
<xsl:include href="data/i18n.xsl" />
<xsl:include href="data/date_format.xsl" />
<xsl:include href="data/dialog_tabs.xsl" />
- <xsl:template match="/">
<xsl:apply-templates select="calendar" />
</xsl:template>
- <xsl:template match="calendar">
- <xsl:choose>
- <xsl:when test="@top='true'">
- <xsl:variable name="Frame1">
<xsl:value-of select="frame[1]" />
</xsl:variable>
- <xsl:variable name="Frame2">
<xsl:value-of select="frame[2]" />
</xsl:variable>
- <xsl:variable name="Frame3">
<xsl:value-of select="frame[3]" />
</xsl:variable>
- <xsl:variable name="tab_value">
<xsl:value-of select="@tab" />
</xsl:variable>
- <HTML>
- <HEAD>
<xsl:call-template name="contextJavascript" />
<TITLE>Calendars Search: Calendar Express - iPlanet</TITLE>
</HEAD>
- <FRAMESET border="0" frameborder="0" rows="77,*,71">
<FRAME name="tab" marginheight="0" marginwidth="0" scrolling="no"
scrollbars="no" src="{$Frame1}" />
<FRAME name="main" frameborder="0" src="{$Frame2}" />
<FRAME name="button" marginheight="0" marginwidth="0" scrolling="no"
scrollbars="no" frameborder="0" src="{$Frame3}" />
</FRAMESET>
</HTML>
</xsl:when>
- <xsl:when test="@view='searchProperties'">
- <xsl:for-each select="group">
- <xsl:if test="@name='searchProperties'">
<xsl:call-template name="search_toolbar" />
</xsl:if>
</xsl:for-each>
</xsl:when>
- <xsl:when test="@view='main'">
- <xsl:for-each select="group">
- <xsl:if test="@name='main'">
<xsl:call-template name="main" />
</xsl:if>
</xsl:for-each>
</xsl:when>
- <xsl:when test="@view='button'">
- <xsl:for-each select="group">
- <xsl:if test="@name='button'">
<xsl:call-template name="button_root" />
</xsl:if>
</xsl:for-each>
</xsl:when>
- <xsl:otherwise>
- <html>
What's this view? (search_for_cals.xsl) -
<xsl:value-of select="@view" />
</html>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
- <xsl:template name="search_toolbar">
- <HTML>
<xsl:call-template name="emit_frame_head_tag" />
- <BODY bgcolor="{$bgcolor_background}" background="imx/tdbg.gif"
marginwidth="0" marginheight="0" onload="window.focus()">
- <FORM>
- <xsl:attribute name="action">
<xsl:value-of select="./formdata@action" />
</xsl:attribute>
<xsl:attribute name="name">form</xsl:attribute>
<xsl:attribute name="onSubmit">document.forms[0]['find'].click(); return false;
</xsl:attribute>
<xsl:apply-templates select="formdata" />
- <CENTER>
- <TABLE border="0" cellpadding="2" cellspacing="0" width="100%" height="100%">
- <TR>
- <TD align="center">
- <TABLE border="0" cellpadding="3" cellspacing="1">
- <TR>
- <TD colspan="4">
<FONT size="{$font_size_big_2}" face="{$font_name}">Find all calendars where
the calendar</FONT>
</TD>
</TR>
- <TR>
- <TD valign="baseline">
- <FONT size="{$font_size_big_2}" face="{$font_name}">
- <SELECT name="which">
<OPTION value="name;calid">name or ID</OPTION>
<OPTION value="name">name</OPTION>
<OPTION value="primaryOwner">primary owner</OPTION>
<OPTION value="calid">ID</OPTION>
</SELECT>
</FONT>
</TD>
- <TD valign="baseline">
- <FONT size="{$font_size_big_2}" face="{$font_name}">
- <SELECT name="how">
<OPTION value="0">contains</OPTION>
<OPTION value="1">begins with</OPTION>
</SELECT>
</FONT>
</TD>
- <TD valign="baseline">
<INPUT type="text" name="what" />
</TD>
- <TD valign="baseline">
- <FONT size="{$font_size_big_2}" face="{$font_name}">
- <INPUT type="button" name="find" value="Find">
- <xsl:attribute name="onClick">
<xsl:value-of select="./button[@name='find']" />
</xsl:attribute>
</INPUT>
</FONT>
</TD>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
</CENTER>
</FORM>
</BODY>
</HTML>
</xsl:template>
- <xsl:template name="main">
- <HTML>
<xsl:call-template name="emit_frame_head_tag" />
- <BODY bgcolor="{$bgcolor_background}" background="imx/tdbg.gif"
marginwidth="0" marginheight="0">
- <FORM name="form" method="post">
- <xsl:attribute name="action">
<xsl:value-of select="./formdata@action" />
</xsl:attribute>
<xsl:attribute name="name">form</xsl:attribute>
<xsl:apply-templates select="formdata" />
<INPUT type="hidden" name="how" value="0" />
<INPUT type="hidden" name="which" value="name;calid" />
<INPUT type="hidden" name="what" value=" />
<INPUT type="hidden" name="selectedGroup" />
- <xsl:if test="(./calsearchresults/nomatch)">
- 
&nbsp;
&nbsp;
No Match Found
</xsl:if>
- <xsl:for-each select="./calsearchresults/searchresultcal">
- <P>
&nbsp;
&nbsp;
- <FONT size="{$font_size_big_2}" face="{$font_name}">
- <FONT size="{$font_size_big}" face="{$font_name}">
Owner:
<xsl:value-of select="@owner" />
<FONT size="{$font_size_big}" face="{$font_name}" color="{$bgcolor_wend_mid}">|
</FONT>
Calendar ID:
<xsl:value-of select="@id" />
<BR />
</FONT>
- <FONT size="{$font_size_big_2}" face="{$font_name}">
- <xsl:choose>
- <xsl:when test="@subscribed='false'">
&nbsp;
&nbsp;
- <INPUT type="checkbox" name="calendar">
- <xsl:attribute name="value">
<xsl:value-of select="@name" />
</xsl:attribute>
</INPUT>
&nbsp;
&nbsp;
- <A target="_blank">
- <xsl:attribute name="href">
<xsl:value-of select="@viewCommand" />
</xsl:attribute>
<xsl:value-of select="@name" />
</A>
</xsl:when>
- <xsl:otherwise>
&nbsp;
&nbsp;
- <A target="_blank">
- <xsl:attribute name="href">
<xsl:value-of select="@viewCommand" />
</xsl:attribute>
<xsl:value-of select="@name" />
</A>
&nbsp;
(Subscribed)
</xsl:otherwise>
</xsl:choose>
- <xsl:if test="string-length(@description) > 0">
&nbsp;
&nbsp;
- <FONT size="{$font_size_big}" face="{$font_name}">
<xsl:value-of select="@description" />
</FONT>
</xsl:if>
</FONT>
</FONT>
</P>
</xsl:for-each>
</FORM>
</BODY>
</HTML>
</xsl:template>
</xsl:stylesheet>
<P>
<A HREF="#back">Back</A>
<P>
<HR>
</A>
<B>diffctx.txt</B>
Index: search_for_calendars_common.xsl
===================================================================
RCS file: /m/src/ns/server/msg/calendar/core/html/search_for_calendars_common.xsl,v
retrieving revision 1.1.2.14
diff -c -r1.1.2.14 search_for_calendars_common.xsl
*** search_for_calendars_common.xsl 2000/12/12 23:10:43 1.1.2.14
--- search_for_calendars_common.xsl 2001/03/15 23:55:19
*** 182,188 ****
&nbsp; &nbsp;
<INPUT type="checkbox" name="calendar">
<xsl:attribute name="value">
! <xsl:value-of select="@id"/>
</xsl:attribute>
</INPUT>
&nbsp; &nbsp;
--- 182,188 ----
&nbsp; &nbsp;
<INPUT type="checkbox" name="calendar">
<xsl:attribute name="value">
! <xsl:value-of select="@name"/>
</xsl:attribute>
</INPUT>
&nbsp; &nbsp;
*** 190,196 ****
<xsl:attribute name="href">
<xsl:value-of select="@viewCommand"/>
</xsl:attribute>
! <xsl:value-of select="@id"/>
</A>
</xsl:when>
<xsl:otherwise>
--- 190,196 ----
<xsl:attribute name="href">
<xsl:value-of select="@viewCommand"/>
</xsl:attribute>
! <xsl:value-of select="@name"/>
</A>
</xsl:when>
<xsl:otherwise>
*** 199,205 ****
<xsl:attribute name="href">
<xsl:value-of select="@viewCommand"/>
</xsl:attribute>
! <xsl:value-of select="@id"/>
</A>
&nbsp;(Subscribed)
</xsl:otherwise>
--- 199,205 ----
<xsl:attribute name="href">
<xsl:value-of select="@viewCommand"/>
</xsl:attribute>
! <xsl:value-of select="@name"/>
</A>
&nbsp;(Subscribed)
</xsl:otherwise>
<P>
<A HREF="#back">Back</A>

Maybe on the Google API s page?

How to modify the blob size, or how to set the size?

i want to know how to modify the blob size, or how to set the size?
what's the default size of blob?
Thanks in advance.

Blob datatype can contain binary data with a maximum size of 4 GB.
when you enter 10kb file, the database will only use 10kb to store the file (depending on block size etc)
if you want to modify the blob size, you may do like this:
SQL> create materialized view t_mv refresh fast on commit
2 as select id, dbms_lob.getlength(x) len from t;
Materialized view created.
SQL> alter table t_mv add constraint t_mv_chk check (len < 100);
Table altered.

How to modify the priority of UWL XML File??

Hello,
How do you modify the priority of a UWL generated XML file? Ths xml file was generated when I registered the SRM system in UWL.
I tried using the tab, Universal Worklist Configuration -> Upload new Configuration but it gives an exception "Operation not allowed".
The reason for doing this,
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Thank you, John

Erwin,
Thanks for your reply.
I downloaded the xml file, modifed some content. While uploading with the same name, making it a high priority and selecting the required system from the dropdown, "Adapt to System", it gives the following error
Wed Apr 08 15:50:47 CDT 2009 : Operation not allowed on UWL generated Configuration:uwl.webflow.SAP_SRM_IAC
Any reason the system does not allow doing this?
John Miller

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