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Found 9 results

  1. Hello, I am currently checking an installation of a Flow meter model: Hoffer HIT-2A. I would like to calculate in my PLC the Volume flowing at real time. This kind of valve has 2 outputs, 4-20 mA for the Flow Meter and a Pulse with 62.5 msec signal. Should I create a High speed input or can I use the next structure for the Volume Calculation in real time. Any suggestion? Thanks in advance
  2. A short clip showing the Unitronics V1210 in action with a customers application, checking to see how tender the peas are before harvesting.
  3. Hi, Would someone explain me how can I send correctly variables type REAL (MF`s) over Modbus-TCP? I am working with a PLC V1210 with Internet card V200-19-ET2, it talks to an Anybus X-gateway ( AB7629-F) which is Profibus-Master and Modbus Slave then the Anybus will send the data to a Nachi Robot CFD controller. I already set the comms between all devices and I can send/receive data to each other. My problem starts when I try to send the variable with decimal point (i.e 1.5) to the robot. But let me explain where I have got so far. Before send it to the robot I get the MF0 and copied to a DW0 variable with COPY MEMORY function with the following parameters: COPY MEMORY FUNCTION MF0 = A 0 = B DW0 = C 0 = D 4 = E When I store the value 1 to MF0 my DW0 displays the value 16256 and the Robot gets the same value 16256. However when I start to change the values into MF0 the robot starts receive different values. I have tried many things but I believe I have missed some information in terms how to convert these variables type. Obs: The robot program side gets block of 32 bits and then convert to a DINT variable and after that /100 and store the result into a variable type REAL with decimal point. If there is anyone who could give me a explanation how to deal with this problem would be great. Thanks for now and this is my first topic. I already set the comms between all devices and I can send/receive data to each other.
  4. Hi, A subroutine in my program uses a few timers. However, when the first timer starts it then stops after only 0.15 seconds have elapsed - the preset value is 10s - and the program flow does not progress beyond that ladder net. Attached is a screenshot showing the relevant part of the ladder during runtime. Sorry if the solution to resolving this is really obvious, but please could someone suggest how to correct this? Many thanks in advance. - James
  5. Machine has 4 load cells (30klb each, 2mV/V) into a Summing Box, then the single output from the summing box going into LC2 on an I/O LC3. The Load Cells are measuring clamping force of a bolted joint and, as such, there is no real way to put a reasonable known weight onto the LC's and hit "Calibrate." Eventually we'll have a calibrator come out with a through-hole Load Cell to dial it in, but we need to get it in the ballpark to get started. In this application, relative values are more critical than accuracy so if we're off 5% no big deal. I used some simple math to determine that it should take 111,000 or so pounds to reach 80mV/V output which is the top of the scale. Question is, if I use Edit Calibration Point and fake in a Zero and a Full-Scale Output point, will that get me reasonably close to accurate? I thought it seemed workable - theoretically 0.8mV (80mV/V * 10V Excitation) should end up at a Raw value of 8,388,607. But, when I was looking at data the Raw values were about 1/8th of the pounds I was expecting to see, so that kind of shot my theory up a bit. Anyway, hopefully this makes some sense and someone can shed some light!
  6. good fellow, I present below a video (in Spanish) of the application made ​​in cúcuta / Colombia. a counter tile production system where, thanks to a network of sensors installed you can post all production was implemented. part of this is calculated among other things: machine cycles lost time effectiveness square meter format produced break caused ton consumed in production lifespan of punches, dies Spaces within the furnace mimico of production in the end visualize all this is possible through web server sms OPLC email and scada done by my using dde excel and vba successes http://www.youtube.com/watch?v=ObB3oenmYFQ&feature=share&list=UUIDHP3ZVEBlfVoyINIjvqJw
  7. Hello! I'm using V1210 to control and monitor a container datacenter. The monitoring protocol used by the client is snmp. But there's a problem, the PLC responds only 5 variables per request. If prompted more than 5 variables, the PLC crashes. Is there any way to improve it? It is possible to use the memory card to increase the response buffering snmp?
  8. Hello, I am working on a project that requires recording the trending data from 4 separate trends to the SD Card. They want to record the data "no less than once every 5 minutes". I based my code off of the program in the examples file in the help menu and was able to get a single trend screen to record (I did it on the v570 for testing) based on a series of timers. The code worked fine however when I used the identicle code for the v1210 (setting up a single trend screen for recording) my start->trend SD Status message reads 256 which I assume is "failed to open file". Does anybody have any pointers on getting the trends to record to the SD card for a v1210? I would export the subroutine and attach it to this post but it won't let me export due to "elements that refernce Named Constants"
  9. 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.