The measure of multi-lane thermocouple simultaneously via 9213 (with USB 9171)

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• How to parse the input data of several channels simultaneously via an NI USB-6251 box by use of a single DAQ Assistant?

  I did separate VI for reading signals from several channels on a map of NI USB-6251.  I would like to combine these in a VI VI alone so that they can run that at the same time, however, there is an error if there is more that a single DAQ Assistant in the same--> error-50103 VI was held at DAQmx controls Task.vi:32 (the specified resource is reserved. The operation could not be performed as indicated.)

  All the inputs of channel must then be read in with a single DAQ Assistant, but all of the data on different channels are not separated.  Can save this data in a matrix or otherwise manageable which allow to facilitate the analysis of the data from the separate channel entries?

  I tried to view the data in a file of measures, but then when I tried InPort data, I could all the data I wanted.

  Hi AggieGirl,

  Good afternoon and I hope that your well today.

  First of all, you will not be able to have more than one DAQ Assistant by input analog or analog output task because the device has only one of each. So, you must have a DAQ task to HAVE and AO. (This is not the case for DIO static).

  There is far from split signals using the express VI - signal splitter.

  When you say you saved this file and it does not work, how it did not work? The Express VI - save a file of measures needed to manage multiple waveforms. Can send you your code & explain more about what was not OK on the file?

  

  Thank you

• Is a UPC (Unified Port Controller) of the FI 6200 supports multi protocol port simultaneously?

  Hello a good person.

  Is a UPC (Unified Port Controller) of the FI 6200 supports multi protocol ports simultaneously?

  For example, the second UPC has 1/9-16. Configure the ports like these? 1/9-10 for the server ports, 1/11-12 for the uplink ports, 1/13-14 for FCoE Uplink ports, 1/15 and 16 for the Uplink FC ports and so on. I know that Cisco Documents describe a port can be configured as server port, FC, FCoE... I "don't not interesting in these gross comments."

  Thanks in advance.

  Paul

  In UCS unified configuration of ports is controlled by a scroll bar, as shown here.

  

  There is a fixed configuration for FI ports, then another to the expansion Module. FCoE and Ethernet ports are both type Ethernet from a unified point of view port, CF requires that you select the ports you want to be FC ports.

  All ports to the left of the slider bar will be Ethernet, which can also be configured for FCoE, and everything to the right will be CF.  So to answer your specific scenario above Yes. BUT with a caveat.

  If you have moved the cursor between port 14 and 15 then left would be Ethernet can be configured as a Server Port, Port Uplink or FCoE port and ports 15 and 16 could be configured as FC ports.  BUT the downside would be that ports 17-32 would also be FC ports and you couldn't get to the Ethernet ports later.  If the port configuration is adjacent to ports on fixed ports, as well as on the extension module.

  Best practice is to determine how many FC ports you need and configure each component accordingly.

  Here are some details on the guidelines for the unified configuration of Ports.

  http://www.Cisco.com/en/us/docs/unified_computing/UCS/SW/GUI/config/Guide/2.0/b_UCSM_GUI_Configuration_Guide_2_0_chapter_0101.html#concept_0249934662D1439AA5E926A503AC8B4B

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  Steve McQuerry

  UCS - Technical Marketing

• How to increase the frequency of sampling of several sensors via RS - 485 and writing files of measure?

  I have a vi that:

  -Locate the USB port that RS485 communication device is connected

  -sends a command to each sensor

  -reads a response from each sensor

  -performs a calculation on the answer

  -saves the response to a file of measure

  I used a flat sequence to query each sensor.  I am trying to find a way to modify this vi in order to increase the frequency of sampling on the sensors.  Currently, it takes 2000ms for question 4 sensors and write tot the measures file.  Anyone have any ideas on how to speed up by programming?  I am concsidering on the purchase of a device USB DAQ (USB6000) and rewriting of the vi.  I was wondering if there was some tweek I caould make on the vi.

  Thank you!

  I meant put the time-out on the line, then the reading will be either timeout after 200ms or read the 2 bytes.  Whichever is faster.  Then deletes this 200ms waiting you.  I have attached your vi to show you what I wanted.  I did not notice that it is a hardware or wither then you might want to look in the data acquisition functions.  It will clean up your code and are very easy to use.

• Multi-channel acquisition - simultaneous Acquisition of sampling 1 & 2-channel single sample in a task

  I am able to get a multichannel simultaneous sampling on my acquisition of data (USB-6363) without problem. But what I want to do is make multi-channel acquisition in a single task where sampling requirements are different for each channel. For example, I want I want to acquire a total of 1000 samples on 3 channels in a single task with DAQmx as follows the characteristics of sample:

  • AI0: Analog Wfm 1Chan NSamp (998 samples)
  • AI1 + ai2: 1 d analog NChan DBL 1Samp (1 + 1 sample/channel)

  I know I could do just a regular multiple sampling multi-channel acquisition through all three channels then average down from channels 1 + 2, but I don't have that several samples to spare. AI0 is a bandwidth hog in my application and consumes all the samples of data acquisition (2. MECH / s), but I can save a few samples to make analog measurements further (for example, temperature, pressure).

  Ai0 takes place also permanently so additional analog measures on ai1 + ai2 need to be included in the same task.

  I don't know how to go on this matter or if it is still possible. Any ideas or thoughts would be greatly appreciated.

  Currently I use a second DAQ to read these additional channels at a lower rate but I need to pass a single data acquisition.

  How should continuous ai0 really be?  You of course can enjoy on ai0, and one of the other entries at the same time, then there would be some gap in your data.  In addition, if you want to go to the full 2 MHz, you may sample ai1 ai2 twice in order to allow entry to set (the maximum specified multi-channel rate is only 1 MHz due to compaction of the constraints on the MUX I believe).

  DAQmx sort of you lets set something up like that, if you "cheat" it by configuring each sample as a single channel in your task (see an example similar here).  If your 998 + 1 + 1 (or 996 + 2 + 2) becomes a task of channel 1000 (takes a bit more memory, but should still be feasible).

  I would consider a 2nd DAQ card a better option if ai0 really needs to be continuous.  You can go with a (9174 or 9178) cDAQ chassis a 9223 (only 1 MHz if) for quick entry and your choice of module for the slower entries.  On the cDAQ chassis a module can run a separate task of AI from other modules (up to 3 tasks HAVE by chassis) at different speeds.

  Best regards

• Compatibility of the Thermocouple K with USB NI 6008

  Hello

  I have trouble choosing what to buy to make temperature measurements with my already purchased NI USB 6008.

  I intend to use LabView to work with these measures of temperature and link them to other measurements with other sensors using the same NI USB 6008.

  After some research, I think I'm going to need a K Thermocouple as this one: http://fr.rs-online.com/web/p/sondes-de-temperature/3428899/

  But my question is: I'll be able to use it, simply cut off the connector and connecting the cables to my NI USB 6008, or do I have to use a special system like this: http://sine.ni.com/nips/cds/view/p/lang/fr/nid/208177

  And if I need such a system, I'll be able to use measurements with other sensors on the same LabView?

  My hesitation comes from this document: http://www.ni.com/pdf/manuals/371303n.pdf

  Page 13, seems, I have to use 2 resistors to bind my Thermocouple K to my NI USB 6008, but the use of such a system will make it difficult to obtain certification (this system will be part of a machine).

  Hoping you can help me,

  Patatelover, Polytech' Clermont-Ferrand, FRANCE

  PS: Sorry for my English, I am not native...

  The 6008 is not appropriate for the measures by thermocouple - see this article for details, but in short, you would be able to measure at a minimum resolution of 8-9 degrees with a precision of 30 degrees.

  You must use either a USB as the connected USB-TC01 thermocouple module, superior performance DAQ (with a range of smaller / more high resolution) or use a C-Series Thermocouple module.

• The measurement and Automation Explorer is completely empty. No idea why?

  Hello

  When I open Measurement & Automation Explorer, there is nothing in the main boxes, boxes are completely empty. The top toolbar with file/Edit/tools is there, but all that is empty.

  I had good success with the SCXI-1000 chassis in a few years when I did further research at another University. At my new University, it gave me access to an SCXI-1000 chassis with an SCXI-1600 module to connect to the computer via USB. I reinstalled windows on an old computer to 64-bit, had the hand of the entire system, the Measurment and Autiomation Explorer open as expected, then was that NEITHER ceased support for the SCXI-1600 on a Win 7 Pro 64-bit modules. So, I've divided the hard drive into two partitions, installed Win 7 Pro 32 bit and reinstalled NOR then installed the updates for a few hours.

  When I try to turn on measurement and Automation Explorer, there is nothing in the window. What can I do to get the various boxes? I went to tools > reset Configuration data.

  

  Nicholas,

  I recently saw a similar problem on another post. This person has received the exact same blank screen because Windows Firewall has blocked MAX (nimax.exe). Try turning off your firewall temporarily and then see if MAX runs. If so, you will need to add an exception in your firewall settings. If this isn't the case, you could have operated in a corrupted installation and the need to do a repair.

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• MAB authentication fails on the port of multi-domain: dead result of authentication "server."

  Hi all

  First of all, I have no experience with the configuration of Cisco switches (about half a year now) but I read loads and loads of documentation.

  I am trying to configure several areas (MDA) authentication on our Cisco switches using mab and spin into something strange. Currently, single mab is asked by my employer.

  Switch = 48-3560G IOS version 12.2 (55) SE1

  RADIUS = Freeradius (version 2.1.10)

  http://www.Cisco.com/en/us/docs/switches/LAN/catalyst3560/software/release/12.2_55_se/configuration/guide/swiosfs.html is my bible

  On port Gi0/29 a Cisco 7961 IP phone is connected and plugged into the phone that a laptop is connected

  The switch configuration:

  AAA new-model
  !
  Group AAA dot1x default authentication RADIUS
  Group AAA authorization network default RADIUS
  AAA accounting delay start
  start-stop radius group AAA accounting dot1x default
  start-stop radius group AAA accounting network default
  !

  interface GigabitEthernet0/29
  235 a description
  switchport access vlan 4
  switchport mode access
  switchport voice vlan 2
  load-interval 30
  bandwidth share SRR-queue 10 10 60 20
  queue-series 2
  priority queue
  action retry authentication event 0 failure allow vlan 7
  action of death event authentication server allow vlan 4
  living action of the server reset the authentication event
  multi-domain of host-mode authentication
  Auto control of the port of authentication
  restrict the authentication violation
  MAB
  Auto qos voip cisco-phone
  spanning tree portfast
  service-policy input AutoQoS-Police-CiscoPhone
  !

  dead-criteria 5 tent 5 times RADIUS server
  RADIUS-server host 10.1.1.24 auth-port 1812 acct-port 1813
  RADIUS server key 7 xxx
  RADIUS vsa server send accounting
  RADIUS vsa server send authentication

  Radius response: (for the full reply see attached RADIUS - response.txt)

  Sending acceptance of access to the port id 98 to 10.1.1.207 1645
  Cisco-AVPair = "Tunnel-Type = VLAN.
  Cisco-AVPair = "Tunnel-Medium-Type = 802.
  Cisco-AVPair = "Tunnel-private-Group-ID = 7.
  Cisco-AVPair = "Tunnel-preference.

  That's why access accept with assignment data VLAN

  Debugging on the switch :

  001776: * Mar 1 09:27:35.606: mab-ev(Gi0/29): context MAB received create from AuthMgr
  001777: * Mar 1 09:27:35.606: mab-ev(Gi0/29): MAB authorizing MACAddress
  001778: * Mar 1 09:27:35.606: mab-ev(Gi0/29): client context created MAB 0x2200000F
  001779: * 09:27:35.606 Mar 1: mab: State has original mab_initialize enter
  001780: * Mar 1 09:27:35.606: mab-ev(Gi0/29): sent to create a new context of EAP of MAB to 0x2200000F (MACAddress) event
  001781: * Mar 1 10:27:35.606 THIS: % AUTHMGR-5-START: start "mab" for the customer (MACAddress) on the Interface Gi0/29 AuditSessionID 0A0101CF0000007F0207A4AC
  001782: * Mar 1 09:27:35.606: mab-sm(Gi0/29): the event received 'MAB_CONTINUE' on the 0x2200000F handle
  001783: * 09:27:35.606 Mar 1: mab: during the mab_initialize State, had 1 (mabContinue) event
  001784: * 09:27:35.606 Mar 1: @ mab: mab_initialize-> mab_authorizing
  001785: * Mar 1 09:27:35.606: mab-ev(Gi0/29): MAC-AUTH-BYPASS boot for 0x2200000F (MACAddress)
  001786: * Mar 1 09:27:35.614: mab-ev(Gi0/29): MAB received a Reject Access for 0x2200000F (MACAddress)
  001787: * Mar 1 10:27:35.622 THIS: % MAB-5-FAIL: failure of authentication for the client (MACAddress) on the Interface Gi0/29 AuditSessionID 0A0101CF0000007F0207A4AC
  001788: * Mar 1 09:27:35.622: mab-sm(Gi0/29): the event received 'MAB_RESULT' on the 0x2200000F handle
  001789: * 09:27:35.622 Mar 1: mab: during the mab_authorizing State, had 5 (mabResult) event
  001790: * 09:27:35.622 Mar 1: @ mab: mab_authorizing-> mab_terminate
  001791: * Mar 1 09:27:35.622: mab-ev(Gi0/29): removed the credentials of 0x2200000F (dot1x_mac_auth_MACAddress) profile
  001792: * Mar 1 09:27:35.622: mab-ev(Gi0/29): AuthMGR for MACAddress sending event (2)
  001793: * Mar 1 10:27:35.622 THIS: % AUTHMGR-7-RESULT: result "dead server" authentication "mab" for the customer (MACAddress) on the Interface Gi0/29 AuditSessionID 0A0101CF0000007F0207A4AC
  001794: * Mar 1 10:27:35.622 THIS: % AUTHMGR-5-VLANASSIGN: VLAN 4 assigned to Interface Gi0/29 AuditSessionID 0A0101CF0000007F0207A4AC
  001795: * Mar 1 10:27:36.512 THIS: % AUTHMGR-5-SUCCESS: authorization succeeded for client (MACAddress) on the Interface Gi0/29 AuditSessionID 0A0101CF0000007F0207A4AC

  So RADIUS returns an Access_Accept and the switch treats it as a rejection of access and little esteem RADIUS as dead.

  Help would be appreciated!

  Chris

  Hi Chris,

  In response to your last post, assignment of vlan dynamic could be achieved with the help of the IETF RADIUS attributes according to the link:
  http://Tools.Cisco.com/Squish/d1791

  or using the pair of cisco-av according to the link:
  http://Tools.Cisco.com/Squish/8Bd61

  As for free using the Radius and cisco-av pairs. Please can you activate debug on switch output and reproduce the problem with the attempt to authentiation of customer:
  Debug RADIUS
  Debug authentication of all the
  debug functionality of authentication all

  As a result the customer authentication event, also benefit from the following switch:
  display the interface authentication sessions

  I met problems with respect to the case of the pair of cisco-av. assignment of vlan for example work using the sensitive tiny "tunnel-private-group-id (# 81) = vlanid ' instead of ' tunnel-private-group-ID (# 81) = vlanid.

  When testing with the 'tunnel-private-group-ID(#81) = vlanid', I get an error:

  RADIUS/DECODE: parse cisco unknown vsa 'tunnel-private-group-ID' - FAIL

  So the 2nd link, with the changes:
  Cisco-avpair = "tunnel-type(#64) = VLAN (13).
  Cisco-avpair = "tunnel-medium-type(#65) = 802 media (6).
  Cisco-avpair = "tunnel-private-group-id(#81) = vlanid.

  If you still have a question, please include the output of debug/display above which will shed light on the problem.

  Thank you
  Alex

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  Hello

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