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Found 6 results

  1. Has anyone had an opportunity to make a Unistream communicate to a PLC5 from AB. the PLC5 has Ethernet connection but uses MSG instructions.
  2. Hi, I have a customer that is looking to use a Unitronics PLC to add additional outputs to their existing system. The main system runs on a .net application, so the PLC would be mainly used to set/reset a MB or Output at a particular time. The response time needs to be pretty fast, likely a few milliseconds from PC send to output state change. Which communication method would be the fastest or would they be roughly the same? - PCOM - .NET driver - Custom protocol with short command sent from PC and received via FB protocol scan. Just getting a feel on how I should build the PLC communications class. Thanks,
  3. Hello everyone! I'm actually studying Automation and I have to make some practices with the Vision 130 RA22. Recently, I have downloaded many manuals about software and specification but I have not found anything related for operating the keypad and I have a problem my former classmates had configurated the Vision 130 to use it with a RS485 and I have a RS232. how can I reset or configurate my PLC to use it again with RS232? this is my e-mail: alfonsoxme90@gmail.com I'd really appreciate your help...
  4. 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
  5. Hi everyone, I'm having problems communicating with Jazz units via USB. I've installed the STMicroelectronics driver, the virtual COM port is shown in the device drivers. And I can actually communicate with the unit initially, but at some point the software can not detect the Jazz anymore. I've rebooted the Jazz, rebooted my PC, re-installed the driver, and just can't link to the Jazz via USB anymore. I actually tried with a different Jazz unit with the same results. The serial communication via the JZ-PRG works fine (not at the same time I use the USB off course). The versions I have are: U90 6.6.0 (DB 109) JZ20-R16 (latest firmware) Windows 7, 64 I'll appreciate your suggestions. Thank You!
  6. Version Document

    706 downloads

    Use to troubleshoot communication between PC and PLC
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