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Found 43 results

  1. Hello All, I apologize for the VERY basic questions I am about to ask but I am new to using a PLC to control a stepper motor. I have the drive and motor. I read the information included in Visilogic. I am still confused. I hate to ask but can someone please provide me with basic program to control the stepper drive. I want to provide an RPM and FWD/REV bit. I will answer any questions and will be monitoring this thread constantly over the next few days. Thank you in advance. Again, I apologize for such basic information but once I have a decent example I should be able to pick it apart and understand things.
  2. In 02/Dec I've finished a graduate course at SENAI and my term paper was about how build a simple Java application and get a Vison 350 PLC communicating with a Linux server without using OPC and a step by step jig construction. In fact I did two Java applications 1- TCP_Server which a Linux server timely receives data sent from V350 PLC 2- TCP_Client which implements the Unitronics ASCII communication protocol allowing an user read and write any PLC registers of Vision V350 model May be that code could work for other Vision models. That Java code is available for download "as is" and hope it helps everybody to get their PLCs communicating. Find below my website link English version http://nets-nuts.com...cs-with-linux/ http://nets-nuts.com...lc-testing-jig/ Brazilian Portuguese version http://nets-nuts.com...nics-com-linux/ http://nets-nuts.com...-giga-de-teste/ Java code can be downloaded at SourceForge website : http://sourceforge.net/projects/plc-unitronics/
  3. Are there any issues with calling PID configuration from something other than SB2 on startup to change the configuration without restarting the PLC? The desired end state is a v350 controlling two electronic regulators with different set points throughout the day.
  4. We just finished an uptdate of a 1985 filler machine. Changed the wire logic and time based filling to a complete PLC control. A servo motor and the PTO command of the V350 are making a nice job. We are going to uptade 2 more. You can find a couple of videos showing the V350 and the servo in action.
  5. I need a completely automated solution for sending a .csv (or .txt) file to a V350 that can then be imported into a Data Table. This has to happen without human intervention. The .csv file would be in the same format as the Data Table. Ideally the V350 would be able to grab a file from an FTP server and write it to SD Card, then read the file and write it to a Data Table. I'm surprised that there is not a solution like this, as it would be a common requirement to read in a recipe in automated fashion for example. Any ideas? Many thanks .... Kurt
  6. Is there any automated way to get data from a database such as SQL into a V350 in an automated way? It would be nice to go from an external database into a Data Table. Anyone with experience in this area?
  7. Are there numeric codes assigned to folders on the micro SD card in a V350?
  8. Am using Red Lion display, model PAX2D, with an option card for RS232, and want use Modbus RTU to display values from a V350. I can get successful comm. by connecting RXD from display to RXD(pin 3) on V350, and TXD to TXD(pin 4) with no ground. As soon as common (pins 2 or 5 on V350) are connected to RS232 common on display, comm. halts. By wiring as above, I can read values from registers in the display, but they seem to be random numbers, not anywhere close to what they should be. For instance when reading register 40483(display baud rate), a value of 8960 is returned no matter what the baud rate is actually set at, and I would be expecting to see a number from 0 to 5 for the 5 baud rates available on the display. PAX2D display manual: http://www.redlion.net/Products/Groups/Counter/Rate/PAX2D/Docs/04038.pdf PAX2D Modbus table: http://www.redlion.net/Products/Groups/Counter/Rate/PAX2D/Docs/04045.pdf PAX2D RS232 option card manual: http://www.redlion.net/Products/Groups/PAXOptionCards/PAXCDC1,2/Docs/12018.pdf V350 program: https://www.dropbox.com/s/86hmdjtqg0qdkqd/Test%20Display.vlp I talked with Red Lion tech support to make sure display setup is correct. Appreciate any help!
  9. Hello I am beginner of Unitronics PLC. I have V350 series,R34. Is here a demo or an example this type of application? First problem which I have to solve is how to set value into timer by writing value via HMI. Could you help me?
  10. Hi Unitronics Programmer, I will build an Ethernet Network with more V350-35-TA24 PLC's. One V350 (as Master) and five V350er (as Slave). Protocol Modbus TCP/IP, Socket 2, Ports 502. Is there a practical solution? Does anyone have such a Project already realized? Best regards Holger Fieron
  11. I am encountering several problems with my project. I am trying to connect a V 350 to a Yaskawa mp 2600 by using modbus protocol through ethernet. I was wondering what sockets must be initialized to establish a connection between these devices? Must I use socket 2? or socket 2 and socket 0? The master plc (v 350) could send a string to the yaskawa which responds sending a bit back to the V350. From the unitronics side I cant understand what address i should use to read a coil in yaskawa mp 2600. According to the modbus memory model ( found on yaskawa help) if I want to read a coil ( 10001 modbus model ) which is %XB 24560.0 in yaskawa memory map, what slave address should I use to read this coil from Unitronics?
  12. Hello, I've got a problem with the SEND block of the PROTOCOL FB's, I need to calculate the checksum according to CRC-16 algorithm with initial value 0x0000, but the only available option is CRC-16 (Modbus) where the initial value is 0xFFFF. Is there a way to change the initial value, or add this checksum algorithm? Another problem is the order bytes in the calculated checksum, maybe you could add an option to swap bytes?
  13. I am using V350-35-T2 PLC. Things I Did: Go to infomode --> entered password --> Entered into infomode --> chose working mode tab --> Chose exit to boot --> checked the parameters and versions Then to return to OS again --> pressed the screen to go to info mode --> and while entering the password it hangs and remain stand still. To make it work again i have to power OFF the PLC and ON. So that it comes to OS mode. I have reinstalled the OS/ boot. But the problem doesn't seems to be rectified. Doubts: Why is it happening? (have anyone faced this before) As I didn't face this problem before, I don't know whether it is a problem or not. Does it cause any other issues in future? (like application lose, Memory content holding etc.,) Thanks in advance.
  14. We are looking at mounting the V350 outside and need the extra protection of a clear cover/ access door BUT it must be a tight fit due to space restrictions and allow access to the touch screen. Omron have a cover that is ideal for a standard temperature controller but not the shape of the V350 (it’s not square). Any suggestions would be appreciated.
  15. Hi, I'm having trouble downloading my application to a new and clean V350-35-R34, it fails over both serial and ethernet. Loading Bin. Lib, Boot, OS and Sync RTC works fine. My UDC file contains the following, and I'm trying to execute using UniDownloader v. 4.1.02: Bin.Lib v. 2.1 (02) BOOT v. 2.1 (06) OS v. 3.0 (67) Sync. RTC Application As said, I'm able to download Bin.Lib, Boot and OS. I then do Sync RTC fine, but when trying to only execute the application item to the PLC it says Application failed. This happens during: Status: Downloading String Lib to PLC. The UDC file is 628kb big. This is creating big problems for me at the moment, as I need to be able to distribute this UDC with the new application to a lot of customers..on both old and new PLC's (upgrade/reinstall of application) Any ideas?
  16. Hello, I'm using the advanced webserver based on a V350. If I put this program in my V350-B1 it works fine and I can see the different pages, but when I change my hardware configuration to a V570-57-T20B with a V200-18-E3XB print and put the software in the V570 my webserver doesn't work anymore. Could somebody tell me what I'm doing wrong? Thanks in advance, Edwin
  17. As has been noted elsewhere... Protective Lexan Covers are Now Available for All Vision Controllers. Even though the Unitronics Vision controllers are very economical, there’s no sense damaging them when you can easily apply a durable protective cover. We now offer a self-adhesive Lexan protective film custom cut for each Vision controller from Unitronics. This includes the V130, V350, V280, V290, V530, V560, V570, V1040and V1210. These protective covers are resistant to the following chemicals: Acetone, Methylene Chloride, Isopropyl Alcohol, Ethyl Acetate, Gasoline, Diesel Fuel, Coffee, Clorox3, Vinegar and more… AMPS currently has covers in stock to protect the V130, V350 and V570 controllers.
  18. My company, AMPS Industrial Controls, recently finished the installation and start-up on a control system for the Custar Stone Quarry project we mentioned late last year. This quarry is located in northwest Ohio and it supplies stone for road projects all over the region. We are pleased to say that everything went very well and the quarry is now up and running with wireless Ethernet communication between all three control stations. This was really a fun project so we would like to take this opportunity to explain it in some detail... Background – Unitronics Vision System With Wireless Ethernet from Westermo The stone quarry in Custar, Ohio is quite old. It has been crushing stone and providing northwest Ohio with rock for over 100 years! One problem, though, is that the numerous expansions and upgrades which have happened over the decades have resulted in control stations positioned all over the place. Our job was to integrate all the conveyors and crushers into one central PLC-based control system that could be operated from any location in the quarry. Ideally, this would be done wirelessly so as to simplify installation. Of course, reliability was a great concern. This quarry runs year-round and downtime is very costly. We must ensure that any breakdown in wireless communication would not result in shutting down the quarry. Safety was also a big concern. Great care would need to be taken to safely control crushing equipment remotely. AMPS Industrial Controls would also build the electrical control panels which must hold up to harsh outdoor conditions and be very reliable. We decided a control system based upon the Unitronics Vision line of PLCs would be a good solution. These controllers could be coupled with wireless Ethernet radio modems from Westermo to allow control from anywhere in the quarry. AMPS would handle the programming of the PLCs and would design the system to be reliable, easy to use and intuitive for the operators. Unitronics V570 to Control Main Operator Station The 5.7″ color touch-screen on the Unitronics V570 could serve as the HMI for the main control station. The new V1040 may have been an even better product but it had not quite been released when we started the job. This station is located at the highest point in the quarry inside a booth with a window so the operator can see everything that’s going on. It’s a small booth, though, so we didn’t want to take up too much space. The Unitronics V570 was a perfect fit. From this perch, the operator can control all the conveyors and crushers that wind through the quarry. In the photo below, you can see the main control station circled in red. Unitronics V350 to Control Other Stations The other two control stations only really required small HMI screens because the operators are not used as often. Most of the everyday control will take place from the main station. Because the large color touch-screens were not needed here, we selected the V350. Still part of the Vision series of controllers, the V350 provides full Ethernet capability with extensive I/O options but packaged with a smaller color touch-screen. The photo below shows the small booth where one of the V350 electrical control panels is installed. Not fancy but very nice accommodations in cold weather. Wireless Ethernet Communication Details The Westermo RM-240 was perfect for this application. These devices were easy to configure with a web browser. They formed their own WiFi network on site and were very reliable. The antennas were installed at each location and have been very reliable in all weather conditions. Each Vision PLC from Unitronics was installed with an Ethernet module to connect to the Westermo devices. Modbus IP is the protocol we used. I can’t speak highly enough of both the Unitronics and Westermo products. This control system has been in use for a couple months now and we haven’t had a single phone call from the customer. It is controlling every conveyor and crusher in the quarry. Even a crusher that draws 4,000 starting Amps! As always, it was nothing but pleasure working with the Unitronics Vision controllers.
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