Jas
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Posts posted by Jas
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Unfortunately no, a crucial part of the improved system is the new cable.
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The main advantage of the EX-A2X is the much improved isolation. The "upgraded" EXL-CABxxx cable is required in conjunction with the module.
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This will be active for a little while longer, until the new link is offically added to the swapper page.
http://www.unitronics.com/Data/Uploads/VisiLogic_Software_New/VisiLogicSetup_930.exe
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When you are trying to connect to your corporate mail server from the PLC, is the PLC plugged into the local corporate ethernet network?
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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.
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If you wish to use the enhanced webserver hosted off of the SD card, it is a requirement to use the template project supplied. There are several locked subroutines that provide the functionality and proper data transfer between the SD card for HTML.
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Yes, this is its intended purpose. From VisiLogic you would select "TCP/IP Call" as your connection method to target the IP address of the SIM card. You can then go into "online test mode" to troubleshoot and debug.
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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.
http://forum.unitronics.com/index.php?/blog/15/entry-61-webinar-modems/
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Unfortunatly, there is no simple re-sizing tool available. As i'm sure you have noticed, the smaller resolution (320x240px) V570 screen is placed in the upper left quadrant of a new project after converting to the larger resolution (800x600px) V1040 screen.
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Please see the document in the pinned topic for Windows 7
http://forum.unitronics.com/index.php?/topic/664-can-i-use-visilogic-with-vistawin7/
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There's no straight forward way to clear the logs. One option is to use the "Enable Auto Logs Purge" feature. This is found in the site configuration options.
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Please see the attached program. This function is linked to HSC0 (I0), set as High Speed Counter. It gives the pulse frequency in DW0 with resolution and precision of 0.01 Hz. As a demonstration, the HSO of the snap-in can be connected to the HSI as defined in the HW config.
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If you are using a Unitronics USB to Serial Adapter (MJ10-22-CS35) please be certain to use the most up to date driver.
A working copy is available on our FTP site from the link below:
https://unitronics.exavault.com/share/view/14v4-dykmdjy1-db9hawg8
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Attached is a sample program for sending email. You need to find out from your IT department your corporate mail server address + port number. Please refer to the help file of VisiLogic as well, there is a detailed explanation for the basic setup.
Help (F1) --> Contents --> Communications --> Send E-mail
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Inside VisiLogic if you right click on the trend and select properties you can modify the history size.
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You can use either information mode or the ladder code initialization block. Please read and try the sample application in the post listed below:
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Are you certain you have entered a valid IP, Subnet Mask, and Gateway address for the controller?
All three of those parameters need to be correct for the controller to be recognized on the network.
Can you verify with someone from your IT department?
If you can't even ping the controller, there is no way that the email will work...
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Flex is correct. You'll notice MB4000 has a touch property assigned to the "save" button on the HMI in my particular example. This was done to reinitialize the IP parameters without cycling power to the PLC.
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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 192.168.1.1 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.
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A step by step guide to performing a proper re-install of VisiLogic.
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Are you using the recommended maximum baud rate of 115,200?
It will most likely fail with a slower transfer speed.
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A step by step guide to installing a project via SD Card on enhanced series controllers.
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A good place to start is to review some of our webinar videos we have online. They all come with example projects for VisiLogic (our free programming software) as well as Q&A.
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Attached below is a step by step guide to updating the operating system of Vision series controllers.
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Initialize Com port 1
in Vision & Samba PLC + HMI Controllers & VisiLogic Software
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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.