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About chantecler

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  • Birthday 06/08/60

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  1. S7 interface beginner question

      Searching the internet I found these four: Sisteme Helmholz 700-884-MPI21 NETLink® PRO Compact IBHsoftec IBH Link S7++ MPI / PROFIBUS / PPI - Ethernet CommDTM for FDT hilscher NL 50-MPI S7-200/300/400 Ethernet programming connector DeltaLogic ACCON NetLink Pro Compact MPI-Profibus-PPI to Ethernet Gateway BUT at the end my client decided to buy an original costly Siemens 6ES7972-0CB20-0XA0 which is a PC USB adaptor And I did the job   Note: There are some Chinese versions of this adaptor that can be found on ebay at one tenth of the price, if you have the time to wait for its delivery.    
  2. PanelView Plus 6 1000 weird behavior

    Hi, I decided to restore the PVP6 to its factory default state, after that I upgraded it to V9.0 again, configured it, downloaded my app again and everything is working fine. Problem solved, mystery unsolved. Bye  
  3. Hi all, Recently I upgraded a PVP6 from version 7.0 to version 9.0 since I needed it to communicate with a 5069 CompactLogix Controller (L320ERM V30). I am still developing my app in FTView 7.0 because this is the latest version I have. By the way, now they communicate but not fully. The PVP6 accesses variables like Loca:1:I.Pt00.Data but opposite to the PV5500 it does not access variables like Loca:1:I.Pt00.@Description Now the weird part: The last time I downloaded an app to the PVP6 it stopped communicating. Then I examined the PVP6 and it was showing the desktop and no app was running. I managed to get into the terminal configuration and found that the device’s name and IP address had changed. I introduced the name and address back, checked that the desktop access was set to Disallow, downloaded my application again and now the application runs, the PVP6 communicates but it still shows the desktop. I hided the task bar but every time I reset the terminal it still shows the desktop prior to run the app. I haven’t put much effort on this yet but ideas will be appreciated. Thank you, Bye    
  4. Allen Bradley + Profibus

      I faced a situation kind of related to this topic. I am working on a project replacing the control and servos of a punching press (the project is getting to the installation phase only waiting for some items to arrive). The original idea was to replace only the controller, but the servos communicate with the controller via CANbus network with CANopen protocol. I couldn't find a way to control the servos with my CompactLogix controller cause AB as far as I know does not support CANopen so I ended up replacing the servos too. CANopen is widely used. I wish AB supported it. I suppose the situation is similar to Profibus's 
  5. S7 interface beginner question

    Hi all, I'm kind of beginner regarding Siemens PLCs. I have to buy an interface that allows me to program and monitor an S7-300 plc with profibus interface. So far I have utilized a Helmholz NETLink® PRO Compact, PROFIBUS Ethernet gateway 700-884-mpi21. My question is: what other options are there? Thank you
  6. Hi guys, Is there any way to preserve the current value of a variable present in the PLC when I download a program with RSLogix 500?. I mean that I want to download a modified program without overwrite some data. In this particular case I am doing some improvements to a program and when I download it I do not want the machine production counter to be modified. Thank you  
  7. I need help to convert my RSS file to PDF please!

    Two screen shots of your short program Bye
  8. PLC 5 CAD DWG's

    Hello mr Attached a copy of an excel spreadsheet contaning links to many cad drawings form the RAISE library (hope this is legal) I downloaded a couple PLC-5 drawings and worked well You can also download and install eCADWorks form the Rockwell site Bye
  9. Torq settings Powerflex 4M

    Hi Armadillo852, I visited the CCU link. Very nice story and very interesting character (this Chantecleer) I borrowed the name from a movie I watched with my children years ago called Rock-a-Doodle I think the movie was based upon an Edmond Rostand’s play called Chantecler Edmond Rostand is better known for his Cyrano de Bergerac Bye  
  10. Torq settings Powerflex 4M

    You're probably reaching your vfd's current limit or the motor speed is too low. I suggest to check the current and also consider using a reducer gearbox or pulleys.
  11. load cell SP4M-7Kg

    Hi colleagues This may sound crazy but don't forget to check for mechanical disturbances like wind, vibration coming from the floor, etc. Check if the weighing device has any kind of damper. Check if your load cell is well fitted and doesn't move To determine if your noise source is electrical, check grounding, check module inputs isolation, check noise coming from your power supply. The last can be checked with a voltage tester in mV AC. Good luck  
  12. Is the belt a motorized belt? Does it stop moving when there is a real jam or continues sliding under the boxes? Maybe you can monitor the belt's speed to help you decide when you have a real jam. Another idea (in case you must create a gap): Every next belt should move faster than its predecessor.  
  13. Motor Offset or Controller Offset?

    You don't set the value of the Motor Offset. If you do the Commutation Test or know the commutation offset and it is different from the Motor Offset determined by the system then use Controller Offset, introduce your offset value and this is what the drive is going to use. Bye
  14. Motor Offset or Controller Offset?

    From "motion-rm003_-en-p.pdf" "The Commutation Offset attribute is a value that specifies the commutation offset of the PM motor mounted feedback device in units of electrical degrees. This attribute specifies the offset from a commutation reference position defined by applying DC current into the A terminal and out of the shorted B and C terminals of the motor and allowing the rotor to move to its magnetic null position relative to the stator. On an absolute encoder or resolver, the offset is the difference from the device’s zero absolute position and the commutation reference position. On an incremental encoder or Hall sensor with UVW signals, the offset is the difference between the position corresponding to a transition of the commutation device’s W (S3) channel (with the U (S1) channel high and the V (S2) channel low) and the commutation reference position. The commutation offset is only applicable to the motor mounted Feedback 1 device. When the optional Commutation Alignment attribute is supported and set to Controller Offset or Database Offset, the drive shall apply the Commutation Offset value from the controller to determine the electrical angle of the motor. In this case, a valid Commutation Offset value must be entered by the user, read from the Motor Database, or determined by the Commutation Test. In the unusual case where the commutation offset is also stored in the motor, and differs significantly from Commutation Offset value from the controller, the drive shall transition to the Start Inhibited state. If the Commutation Alignment attribute is NOT set to Controller Offet or Database Offset, the Commutation Offset value from the controller is ignored by the drive and the drive must determine its internal commutation offset value by other means. Without a valid commutation offset, the drive shall be Start Inhibited." Bye