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russedwards

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Everything posted by russedwards

  1. Hi Sorry for my slow reply, yes i have tried my original program and i still have the same problem
  2. Hi I have a 7" UniSTream with a WCB-1 adapter. I am using this PLC for a very simple task of monitoring contents in a tank and then controling some relay outputs depending on the tank contents level. I have a pressure transmitter connected to a analogue input 0 and this was working correctly whilst setting up - I was seeing the correct output from the transmitter on the PLC. I also had a type K thermocouple connected to RT2 input - again during setup this was giving me a correct reading at ambient (approx 20 Celsius). Now, during some updating of the logic, my transducer input is showing over range constantly (16689 units when the adapter is scaled to give 16383 maximum output) and my thermocouple is showing a tempoerature reading of +4359 Celsius. I have checked the various status' of the WCB-1 and this is the outcome: IO - Status 00000000 Analogue Input Status Input 1 (transmitter connected) - 2 Analogue Input Status Input 1 (transmitter disconnected) - 16 Internal Info - 363 I have uploaded a blank project to the PLC, and I am still getting the same problem. Does anyone have any idea why I have run into this problem? Thanks in advance
  3. Hi all! Has anyone had any success with using API to send data from a Vision controller? I am looking to send the stored data in some MI's to an external database using API calls. Thanks!
  4. Hi guys I've been working on a project so long that I now can't see the solution to what I imagine is a simple problem. I have a v350 and I am taking a digital input to control an MB. I have wired many digital inputs that use the same 24vdc power supply as the PLC. But this instance I need to take a switched 24vdc input from another piece of equipment, and I cannot figure out how to wire up correctly! Please can someone help?! Thanks
  5. Hi guys I've been working on a project so long that I now can't see the solution to what I imagine is a simple problem. I have a v350 and I am taking a digital input to control an MB. I have wired many digital inputs that use the same 24vdc power supply as the PLC.
  6. Hi All Has anyone had any success reading a CSV file stored on the SD card directly from an Excel Macro? My customer wants a very simple solution where they can interogate the Excel data stored on the SD card directly from Excel rather than having to use SD card manager, dataXport etc. Is this possible?
  7. Hi everyone I have got myself a problem that I am having trouble figuring out. I am using a V350 as a data logger. The V350 is logging MI's, and ML's to a data table. The logging is working fine. My application requires a result to be logged every 10 or so seconds, therefore I am filling the internal memory of the V350 pretty quickly. I would therefore like to use the SD card as the memory of the logged data. I currently have a net set up in my ladder to copy the data table to the SD card when the memory is 70% full. What I would like to do is to be able to append this Data table stored on the SD card with new data as it is recorded in blocks - for example - I record 1000 lines of data to the SD card, then when the data table reaches 1000 lines again, add this new data to table saved on the SD card. I can write to the SD card each time a result is recorded if it is more appropriate. Is this possible? Also, sometimes, we may need to access this same data via dataXport. Can I download a copy of the data saved on the SD card using dataXport rather than using the SD card suite? The scheduled download function in dataXport makes it desirable for this application. We would like to download a copy of the table and leave the SD card data unchanged. Thanks
  8. Hi Mikah Did you ever find a solution to this? I'm not sure I will be able to easily cycle the power to the plc after each data transfer.
  9. HI I have a problem that I cannot get to the bottom of. When writing a DT to an SD card, i can get the data to transfer without a problem. Now, when I remove the SD card to transfer the data to the PC, and then re-insert the card to the V350 and try and transfer another DT, the transfer freezes and will not restart until i perform a Reset of the PLC. Does anyone have any ideas?
  10. Hi everyone Is there a way to store data table information on to a USB pen drive? My customer does not want to use the SD card - as they do not want their operators opening the PLC cabinet, and they have no way of using wireless transfer in their location. I haven't been able to find anything suitable yet! Thanks Russ
  11. Hi I have a V1210 using an E3XB snap in and also some remote analogue outputs. I am using an AO6X to give a 4-20 mamp output to some proportional valve controllers. Problem I am having is that one output (O4) will spontaneously send an output to the valve and release pressure - there is nothing in the ladder calling for this action. The valve will then close again. Has anyone experienced this problem before?
  12. Hi Guys Thanks for your suggestions. I have tried changing the battery and also uploading a blank project and re-downloading my original project yet the RTC is frozen. I am monitoring via a serial connection ans checking SI 30 -38 and there is no change
  13. Hi I am currently running a project on a V1210 without any major issues. Problem I have is that the RTC does not seem to update - as if the clock has stopped. The PLC in running, the project is running, but the RTC does not update. I have tried syncing with my PC time but it makes no difference. Has anyone experienced this problem? Thanks Russ
  14. Hi Has anyone had any experience of running a snap-in module (E3XB) from a 12 VDC power supply? Is this possible? I am looking at a new application and it would require a 12 VDC power supply to all the electrical items - PLC is being mounted on a vehicle. Thanks
  15. Hi I am having an issue with some email alerts that I am trying to send from my V570. I am looking to combine direct and indirect email content into the same message, is this possible? For example, at a set time, I want the PLC to send an email saying eg "your current drum volume is 257 litres". The wording "your current drum volume is" - is the direct email content, and the 257 is read from an MI and is therefore the indirect content. Is this possible? Thanks Russ
  16. Hi I have been looking into the new UniStream equipment and I am very impressed! Can someone shed some light on the Date / Time / UTC structs? It currently seems very long winded to use a date or time function within the ladder, but the help folder says that an included date / time struct is available. Can someone point me to where this is? I'm looking to write the date to a data table, with Visilogic this was a simple RTC to ASCII task.
  17. Hi guys I am looking for a bit of help regarding the Transistor Outputs of my E3XB snap in module. I have made a mistake when planning my current project and have left myself 1 relay output short. I am controlling a simple on / off 24 vdc solenoid valves with all the outputs of the E3XB. Is it possible to control a solenoid valve with the transistor output in the same way as a normal on / off relay output? If so, how can I go about it? Any input would be appreciated! Thanks Russ
  18. Hi Has anyone got any suggestions to my current problem? I have succesfully used Arkadi Samarov's DHCP application to connect a V570 using DHCP and a mac address. Is it possible for DataXport to connect to the V570 using the mac address rather than direct IP address? I am finding that when the lease is renewed on the V570 and the IP address changes - i have to manually reconfigure dataxport to reconnect.
  19. Hi Alex Thanks for the suggestion. I have managed to separate the filling and consumption figures as you mentioned.
  20. Hi I am looking for some advice for a function I am looking to add to a V570. We are monitoring the amount if fluid lost in a small reservoir and I need to keep track of the water that is lost daily. At the moment I can quite easily take a reading at the start of the day, a reading at the end of the day, subtract the 2 using a Maths FB and get the result I am looking for. Now for the part that is confusing me! The reservoir can be topped up, so this would not make my reading accurate. For example, at the start of the day the level could read 1000 liters, at 12 pm the level could read 800 liters, but at 1 pm the reservoir could be topped back up to 1000 litres. At 5pm when I take my last reading reservoir level would could read 900 liters. Using my current calculating method, the result would show that the reservoir had only lost 100 liters when in fact I had actually lost 300 liters in total through the day. Is there anyway I can get the controller to "ignore" the topping up of the reservoir or allow for any increase in level? Any ideas would be gratefully received! Thanks
  21. Hi guys I am currently using a simple netgear wnce2001 adapter to connect my V570's and V1210's to a wireless network. They work fine when used in a fixed position. My next project involves using a V570 in a mobile app,I cation around a factory. The problem I am currently facing is when the V570 and adapter is moved to a different part of the factory, it needs to connect to a different router and Wifi network. This means plugging the laptop into the adapter and reconfiguring. This isn't really practical so I am looking for an adapter that can be pre-configured with 2 or 3 wifi network settings so it will automatically connect when the V570 is moved. Does anyone have any experience of this problem, or know of an adapter that can be configured via the V570 rather than a laptop? Thanks in advance
  22. Hi Is there a way to change the name of a file saved by Data Export? For example, my current schedule downloads the data from a data table after each complete test cycle is completed and the test finishes. Data Export then saves the data table to an Excel file named after the date and time of the download. Is there a way to change this so that the file is saved by another name (for example, a field within the data table). I would like to save each downloaded file by the serial number of the item that has just been tested. I hope this is clear! Thanks Russ Edwards
  23. Hi I have successfully set up my V570 to give a 4-20 mamp output that relates to my pressure transmitter input of a range of 0-4.35 psi (4 mamp = 0 psi, 20mamp = 4.35 psi) In another part of my process, I need to change this linear output so that 0.5 psi = 20mamp. Can anyone tell me how to successfully do this? When I have tried to re-linearise the output, I am still getting the original output values even though I have linked the new, linearised MI to the output. Thanks
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