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Found 29 results

  1. My end goal is to send data over ethernet using the TCP/IP protocol to a raspberry pi. I already have the pi coded in python to look for a connection to its ip on a socket that I bound to it. My problem I believe is within the V570 PLC programming logic itself. I have initialized the card with ip and my laptop with ip Those two communicate correctly over ethernet. My pi is at ip The pi is bound to a socket and currently waiting for something to connect to it on port 8888. I initialized socket 3 on the PLC as a Master on port 20257 and set the name to 'raspberryplc' Like I mentioned, the PLC and PC communicate correctly over ethernet. Lastly I have the TCP/IP config block which is initialized to socket 3 at ip on port 8888. I then use SB142, 146 and 150 to check if I'm ready to attempt a connection, all still good and expected. I get a status 0 from the TCP/IP config block which signifies an all set response. I then have my TCP/IP CONNECT block set to Socket 3 to remote ip on port 8888. At this point SB150 never goes high and I don't establish a connection. I can see something must be happening as when I stop and start the connection attempt on the PLC side, I can see the ethernet lights blinking on the raspberry pi. Thoughts? Either I'm missing something or it's correct but my raspberry pi is messed up. Thank you for any help anyone can offer.
  2. Hello, I was asked to make a new software in a company where they had a 5-6 years (not sure) old V570 PLC (the one with the black/grey & white design, not the black one). This PLC does not contain the mini-usb programming port (regular used for charging mobile phones), but the one that is shaped like a square usb port (the one pc uses to communicate with printers/scanners). Although I had the driver installed for the more common usb port I also used install usb driver option from the visilogic software, and the software confirmed that I already have the driver installed. However when I went to device manager, I couldn't find the PLC connected (via port number), nor did I find a question mark that would suggest that the driver is missing. It's my first time crossing path with the "older" version of V570, with the not so common (in my humble experience) squared usb port. The V570 had canbus port, 2 rs232/485 ports and ethernet port if that helps. I'm using the ethernet port to acquire data for dataXport to generate daily reports, so it's not a solution for me to program it with that port. Any advice would be welcome. Thanks in advance.
  3. Hi there, I try to initialize Enfora modem PC-side. I followed all of the steps from the tutorials on the Internet. I tried different Baudrates, tried Hyperterminal... When I use Baudrate of 9600, and the AT commands defined in the Modem Services, all of the commands are successfully completed and when it comes to the end it always says: Modem could not be initialized. Do you have any advice what can be the problem?
  4. Hello there! I'm trying to drive DC Motor with PLC V570 via PWM. This is for my diploma thesis so I want to do it nice and design PID controller in Simulink Matlab. In PLC I want to do identification of the transfer function for this system with step response. This is the first order system, so it shouldn't be a problem. Than I'm going to use this transfer function in Simulink to find PID parameters. At the end, I got P,I and D parameters from Simulink, and I don't know to transfer them into PLC. For example for closed loop system with discrete PI controller in ideal form P(1 + I*Ts*1/ (z-1)) (Serial PI) I have P = 1.93, I= 1.86[sec] Ts = 0.1[sec] Than in PLC I got Sample Time = Ts = 0.1[sec] = 10 Integral time = I= 1.86[sec] = 2, because it is defined in units of 1 second, Proportional band =(1/P)*100% =51.81% = 518 defined in units of 0.1% Am I doing this right? Could anyone please tell me what is the type of transfer function for PID controller is used in PLC Vision V570 (Serial or parallel)? And how do I correctly transfer parameters P, I, D into PID regulator in PLC. Thank you.
  5. I am getting the following error when trying to initialize/go online for the first time with my V570. ----------------------------------------------------------------------- "Communication over TCP/IP could not be established due to one of the following reasons: - cable connections are not secure - incorrect TCP/IP settings (IP address, Protocol type, Port number) - the connection is currently being used by another application. " ----------------------------------------------------------------------- Right now the first net in my main routine is checking SB2, following by Set PLC Name, followed by a TCP/IP - Card Init, (setting IP to, and then a Socket Init (using socket 1, TCP, port 20256, and client set to server [slave]). In communication and OS I have tried my connection as both TCP/IP (Call) & TCP/IP (Listen), I am using a favorite with the same name and IP as specified above. My local machine IP is set to I am connected directly to the ethernet port on the V570 with the V200-19-ET2 ethernet com port I am trying to "stop-download-reset" to go online and I get the above error consistently. I'm sure this is a basic question but I have watched all the tutorial videos and read the help files and I believe I am doing everything I am supposed to, any advice would be great!
  6. Hi I am trying to connect to a scada network on a V570 using Modbus IP. No success so far. I have attached a screen cap of my ethernet startup (couldnt get it to paste direct). Could someone please have a look and see what I have done wrong. Thanks Paul J V570 Modbus.pptx
  7. Hello, I am working on a project were I am using a vision V570 and a module EX-D16A3-TO16, the problem is that when I turn on the equipment all the inputs are active, but I do not have connecting even a single input. I am new with Unitronics OPLCs , so far I just worked with V350, and it is the first time I am using a EX module, which could be the reason for this to happen? Thanks
  8. I have attached images to this post below... Basically I haved a V570 (with the ethernet addon) which was last used about 5 years ago. When I powered it up, I got a no loaded application error. I have tried going into visilogic, with with default baud rate settings, and the settings shown on the display, but i just cant get access to it. I also am using a 4 wire RJ11 cable ( I have no programming cables left). Could this be the issue that I cannot connect? Or is it because the PLC is in stop mode? I have tried connecting via ethernet, but my lan adaptor wont let me use the subnet mask that the PLC is showing (it says that it is invalid). Many thanks, Roy.
  9. I have 2 V570's that i would like to setup to mirror each other. i have 1 setup with 2 modbus ports (1 & 2) port 1 is connected to a PC via modbus as slave port 2 is connected to another V570 Via modbus as master the second PLC is setup with port 2 as slave I'm to receive data from the pc and have both PLC's make changes to the data and send it back to the pc the first PLC is getting MI 100 - MI 132 and MI 200 - MI 232 and MI 1000 - MI 1045 from the PC and sending the data to the second PLC at the same MI addresses the second PLC is receiving the same MI's from the first PLC and sending the same MI's back the problem I'm having is the PLC'S are sending the same data back and forth before i can make my changes to the data. is there another way of mirroring the two PLC'S together? test slave.vlptest master.vlp
  10. Hi, i have a V570 that i put a program on and it was working good until i recycled power to it and now the PLC is in stop mode with no application. i cant connect to it anymore. is there anyway to reconnect to the PLC?? Thanks.
  11. I know some people have been looking for an alternate method of accessing the microSD without opening their cabinets due to environmental and/or hazard conditions. Recently found this: http://www.amazon.com/48cm-Sd-micro-Card-Extender-Cable/dp/B007WYRO7O while researching some options. Planning on picking one up and doing some testing to see if it responds without issues and doesn't affect the SD card reliability and retention.
  12. I have a project were I am using an Enfora GPRS modem to make IP calls back to a web connected machine. This works very well and I have set it up to receive text messages via GSM. I want to use the received text to trigger a call back on GPRS to an IP specified in the text. I have found the function to convert the IP to a text but not text to IP. Is there one? If not how is the decimal storage of an IP formatted so I can do via math / string functions? Thanks in advance Andy
  13. Current big project in progress: Sequencing system to control 2 pressure sources through 5 valves, 2 fixtures through a 10 valve manifold, and control the release of failed parts without operator input for differential flow functionality and leak test on customer parts. Current system: 1) V570, No snap module installed 2) 1 - EX-A2X 3) 1 - IO-AI8, currently using 4 pressure sensors a) 2 sensors in fast mode (12 bit), 0-150 psig, 0-10V 2 sensors in normal mode (14 bit), 0-150 psig, 0-10V 4) 1 - IO-DI16 5) 2 - IO-TO16 6) 1.3 amp Omron power supply for V570 and EX-A2X 7) 5.0 amp Omron power supply for Digital Outputs 8) All modules protected by appropriate fuse blocks 9) Custom built enclosure with all IO-points through Dual Row din mount terminal blocks, color coded by IO type. Current rough outline of the program: 1) Buffered I/O on all digital and analog input 2) Two drums, with conditionals to control advancement through the drum, and prevent running certain tests when one fixture is occupied. 3) Start sequence with a full reset of all bits to prevent unintended flow Current Program performance: 1) <1ms scan time. 2) Continuous Checks 1) Low pressure tank monitor a) Monitors tank for pressurization above 1 psi above target Fast cycles vent solenoid to drop pressure Sequences Detail Program information: 1) Activation Test a) Pressurizes the part to low tank pressure Maintains flow path to low tank c) Opens high pressure path .5 seconds d) Closes Low pressure path to pressurize part for leak test e) Checks for activation indicator f) Isolates part from high source 2) Leak Test a) Time based test, calibrated against a standard At the start records the part pressure value from the sensor c) After test sequence time <n> records the final value d) Calculates pressure drop per minute and compares to known calibrated leak standard and rejects or accepts based on standard 3) Reset sequence a) Vents part to low tank Extends reset cylinder c) Repeats activation test sequence to allow indicator to push back in d) Isolates part from all pressure sources e) Opens test fixture if part passes f) Maintains closed fixture if part fails until operator inputs Operator Display: 1) Tank pressures a) Gauge style Green/Red band for quick reference Digital readout of sensor reading for diagnostic purposes 2) Test Sequence running a) In Progress, by Fixture Leak Test c) Activation Test 3) Drum Step (Primarily for diagnostic purposes) In Progress: 1) Calibration sequence for the leak testing 2) Verification sequences for valves 3) Additional digital sensors for part presence and safety Future State: 1) Electronic regulator control of the pressure sources, currently manual regulators 2) Additional tanks and valves to allow both fixtures to run simultaneously 3) Improved Pressure transducers, current versions, while analog are limited to about 11bit of accuracy.
  14. Is it possible to dynamically change the drum step time through user input? For example, link it to an MI so that the time is adjustable based on recipe, or would I need to use a 0 time step and a timer to control moving to the next step?
  15. Hello, I'm doing a project where I have to save alarms to SD. I have a V570 with 2GB SD card (The SD Card is formatted with SD Card Suite). I set the SB352 (Write alarm history to SD) and it does that, it writes alarms directly to SD card. If I have some alarms in buffer (SI76 value is greater then 0) and I set SB352, the value in SI76 clears and ALARM.UAL is increasing in size. So I think the alarms are written to SD Card. The problem is when I use the FB "Show alarms" with "Alarm history" option. It shows the history, but after a PLC Init and Reset, the history is cleared. It shows the history from PLC Memory, not from SD Card. So, my question is how should I save alarms to SD and then display them? Thanks!
  16. We use several workstations that may, or may not be, running at any given time. How well does the CANbus protocols handle a node being offline?
  17. RaspberryPi ComDriver problem

    Hi. I have a V570 that collects temperature readings and stores those on SD card. PLC itself is connected to local network and so is RaspberryPi that is supposed to work as a web server, that on request grabs that datatable from plc, makes it into nice graph and shows it to client. The thing is that currently when my RP tries to run the test code(below), it says that it is unable to connect to PLC with that unitID. In my PLC settings I have set unitID to 0. When I run same code on my PC, it works like it is supposed to. Thanks in advance. using System; using Unitronics.ComDriver; namespace RTTest { class MainClass { static PLC plc; public static void Main (string[] args){ Ethernet eth = new Ethernet ("", 20256, EthProtocol.TCP, 3, 3000); Console.WriteLine(eth.Connected); try{ plc = PLCFactory.GetPLC(eth, 0); plc.EventAbortCompleted+=new PLC.AbortCompletedDelegate(plc_EventAbortCompleted); }catch(Exception e){ eth.Disconnect(); Console.WriteLine ("Error1:"+e.Message+"-->("+e.TargetSite+")"+e.StackTrace+"-->"+e.Source); } try{ Console.WriteLine(plc.Version.OPLCModel); Console.WriteLine (plc.PlcName); Console.WriteLine(eth.Connected); Console.WriteLine(plc.UnitId); }catch(Exception e){ eth.Disconnect(); Console.WriteLine ("Error2:"+e.Message+"-->("+e.TargetSite+")"+e.StackTrace); } Console.Read (); } public static void plc_EventAbortCompleted(){ Console.WriteLine ("dunno"); } } }
  18. I can not activate modbus in V570 via GSM. I am using same software routines that work fine with V120. Modem initialises fine in COM 1 (sb80=1), modem also connects fine when connected/called from modbus polling software (SB 86=1). However, the modbus traffic doesn't initiate. The polling software says "Connected" and then "Modbus request failed". Modem status in PLC (SI 80) lays with value 2. When connected, the value is 4, then chages to 1, then back to 2. The polling software should be fine, it activates modbus OK with V120. So there may be some software problem in my V570 ladder code, even it works in V120. Same modems and cables are used and V570 com port dips are in RS232. What can prevent modbus traffic from being activated. I have used the Modbus config, SCAN, SCAN_EX and Porotocol config function blocks but looks like I must be doing something wrong - even they work with V120. All ideas greatly appreciated!
  19. Stepper Motor

    Hello, I'm an automation student and part of my final year project is designing and building an automated storage and retrieval system. I'm using Unitronics V570 which is totally new to me so I've to get familiar with Unitronics firstly. I was going to use a 24v DC motor with position encoder and I was thinking of using a stepper motor aswell but I'm not sure if this is relatively easy to implement with the PLC. My question is, if it is possible to use both these methods is there videos on setting up and configuring and maybe a sample code for both that would get me started. Thanks in advance Donal.
  20. Hello, i have a project where i have connected v570 to a wavecom gsm modem. The gsm modem sends alarm messages for liquid gas levels. There is option if you send sms to the modem, it will send you feedback (status) message with all the measured parameters. After few days working the system stops sending messages. If I send sms to the modem i get the confirmation that the sms is received, but i don't get the feedback message. If I restart the PLC and the modem it will work few days and then the problem occurs again. During the problem the modem isn't busy.
  21. Hey. I have a problem. Some workers destroyed my V570 display. Where can I find new or working one? My dealer Klinkmann Estonia said I have to buy a new controller.
  22. This is my first post so I didn't have the time to introduce myself. Anyway I am starting my first project with a V570 and an snap in IO card in order to monitor and control the process of a drying oven. I viewed the corresponding webinars and I think I got the main idea about Visilogic (My previous knowledge about ladder and PLC programming is minimum). Anyway when I insert a configuration PID FB in my project and trying to compile the code, I get the error mesagge that PID Config is not supported by Color PLC or/and V130-33. Am I missing something too obvious ? Any help is welcome, Thanks in advance,
  23. Hello! I am new here. I have an object with such structure: Building 1 = Eka1 = E1: V570 - IP address , PLC name = PLC1, can id #1 V120 - can id#2 V120 - can id#3 V120 - can id#4 V120 - can id#5 V120 - can id#6 V120 - can id#7 Building 2 = Eka2 =E2: V350 - IP address , PLC name = PLC2, can id #1 V120 - can id#2 V120 - can id#3 Building 3 = Izolators = Izo: V350 - IP address , PLC name = PLC3, can id #1 V120 - can id#2 V120 - can id#3 V120 - can id#4 Data between V120 and V350, or V120 and V570 sends with Unican. In most cases there is no problems with this transfers, But week ago started problems with UDP_RAW sending between E2 V350 and E1 V570, and between Izo V350 and E1 V570. Here is image of VisiLogic programm: in program i try to UDP_RAW scan IP address (start vector MI1170), but when i online connect to V570 he shows IP address! WHO changes number in MI1173 (i put 4 here , but in online mode 5!!!), if i use this MI only one time in a programm... I checked SB141-146 in Izo_V350 , there was "1" in this system bits. I checked SB141-146 in E1 V570 , there was "1" in this system bits. I think E1 , E2 and Izo connected to a single network with switch. Also PC with IP address connected to this netowrk. I can ping,, from PC in command line. What i should check next? Ty for advices. P.S. links to images http://s020.radikal.ru/i716/1402/7b/6371416aeafb.png http://s019.radikal.ru/i635/1402/db/fd7f6e267643.png
  24. Hello, Whe are working on a project to use the V570 within a self service bays carwash. This is working great! But now whe wanne go a step further with this project. But whe dont have the knowledge to implementate a Modbus to the V570 to read and write data to it. So my question is of anyone have a working modbus/TCP example? So i can connect to the V570 to read and write data over this connection. Thank you!
  25. Hello everyone I am an electrical engineer and a member of a volunteer search and rescue team in Iceland. I have installed a V570 PLC in our new HQ which we use to control lighting and windows. We have got few Dali controlled lights that I would like to connect to and control over modbus. Can anyone tell me what I need for that to work and maybe send me some examples to work with?