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Posts posted by Jas

  1. Try using a baud rate of 9600.

    This poster is correct. As of recent, Vision controller operating systems now mandate the use of 9600 baud rate for the Enfora modem. It used to be the case that any speed would work, and actually 57,600 was the most common to use. This is no longer true, and you must re-prepare the PLC side modem for a 9600 baud rate as well as have this set in the COM Init function block.

  2. There is no direct option to enter memory floats via keypad entry on standard series vision controllers (V120, V2xx). A workaround would be to enter the value into a memory integer register and then via ladder logic convert that to a memory float. Please see the attached example that does exactly this for one decimal place of accuracy (4.1 base format).

    Also, do you really need to use a memory float though? Another option would be to just keep track of that tens place (one decimal) offset in any math or logic operations you may perform while solely using memory integers or memory longs.

    V260 - HMI Decimal Entry.vlp

  3. I have never seen a "pure" data call work on US carriers as of recent. The best method would be to use GPRS data to transfer your information. Please note this will not be lightning fast, but does work. It also helps if you obtain a static IP address from AT&T. Otherwise you are assigned a different dynamic IP each time the SIM card registers on the GSM network, and often useful ports are blocked.

    We do have a webinar detailing GPRS communications as well as a sample project if you are interested.


  4. There is no special HMI variable for TCP/IP parameter entry. These parameters are stored in a memory integer vector that is defined inside the TCP/IP Config function block. You simply need to use a Variable Numeric keypad entry for these MI vectors. Each octet of the parameter is stored in a separate consecutive MI.

    For Example if the desired IP address is and IP address is assigned to a vector starting at MI4000

    MI4000 = 192

    MI4001 = 168

    MI4002 = 1

    MI4003 = 1

    Also attached below is an example program to better illustrate.

    Indirect TCP-IP Config.vlp

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