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Thread: Connecting a PanelView Plus to a SLC-500 Channel 0 Serial Port

  1. #1
    Administrator Shawn Tierney's Avatar
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    Connecting a PanelView Plus to a SLC-500 Channel 0 Serial Port



    When looking to upgrade older PanelView 550 or 600 models, it's common to consider the PanelView Plus 600 as a suitable replacement. For starters, most of the new PVPlus models will fit in the older PanelView cutouts. And, Panelbuilder32 programs import into View Studio mostly intact.

    Note: For more information about migrating PanelView...

    Click here to view the full article.
    Looking for affordable automation training? If you are, check out my courses at TheAutomationSchool.com!

  2. #2

    communication between panel view plus 6 and SLC 5/05

    hello, I migrated from panel view 550 to panel view plus 6 and everything is ok but I don't know how is the configuration for the communication between panel view and the slc 5/05, the communication is for RS-232.

  3. #3
    Administrator Shawn Tierney's Avatar
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    Good morning Josue,

    It's pretty easy to setup the PVPlus comms to the SLC-5/05 via Serial.

    First, open up your HMI Tags and find what the "node" name is.

    Then create a shortcut with the same exact name pointing to your SLC-5/05 like I do in this free step-by-step article:
    https://theautomationblog.com/connec...0-serial-port/

    I also have a series of free videos on this topic here:
    https://minute.theautomationblog.com/?s=flashback

    And to learn everything you need to know to maintain, troubleshoot, and program the PVPlus check out my affordable course (link below) in which I cover this subject in great detail:
    https://theautomationschool.com/cour...basics-course/

    Hope this helps,

    Shawn
    Looking for affordable automation training? If you are, check out my courses at TheAutomationSchool.com!

  4. #4

    query about the communication of MicroLogix 1100 to PanelView plus 400.

    Dear There,

    Sir, I have developed an PVP compact application in FTViewME software.

    This application is tested successfully with MicroLogix 1100 PLC (means: I gets response from PLC when I give input from connected development computer).


    But when I run this application (.MER file) from PanelView Plus 400, Micrologix is not responding.

    I am using serial ports of both devices (plc and HMI)for communication between them.

    I am not able to figure out where I am doing mistake.

    Although, I copied design time communication settings to runtime in RSLinx enterprise in my project in FTView software.

    I will be very grateful to your response to it.
    thanking you!

  5. #5
    Dear sir,Is it necessary to connect PvP 400 (HMI) to development PC to configure runtime communication?

  6. #6
    Administrator Shawn Tierney's Avatar
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    Good morning vikas,

    Hmm, not a lot of info in your post, so I'm going to guess it's the cable.

    The cable from your View Studio PC Serial Port (DTE) to the PLC Serial Port (DTE) needs to be a Null Modem cable.

    However, the cable from your PanelView Plus Serial Port (DCE) to the PLC Serial Port (DTE) needs to be a Straight through serial cable with 2 wired to 2 and 3 wired to 3.

    Details:

    For more about DTE and DCE see the below link.

    https://en.wikipedia.org/wiki/Serial_port#DTE_and_DCE

    A simple way to remember is that PLC's and PC's are DTE, and peripherals are almost always DCE.

    That's why going from a PC (DTE) to a Peripheral (DCE) uses a Straight through cable (Pin 2 Transmit to Pin 2 Receive) and why you need to cross the wires (aka null modem cable) to go from PC to PC (or PLC to PC.)

    Best of luck!

    Shawn Tierney,
    Instructor, The Automation School
    Looking for affordable automation training? If you are, check out my courses at TheAutomationSchool.com!

  7. #7

    thanks for the reply sir !

    Dear Sir, good morning!
    I got where i was doing mistake.
    I was trying to communicate ML 1100 PLC, with the same null modem serial cable, to both development PC and PVP 400 compact terminal.
    I don't have straight through serial cable right now.
    So, I am trying to use ethernet communication right now.
    I want to explain: what i have with me and how i am trying to establish communication.
    I have:
    1) a Micro Logix 1100 PLC (with ip address assigned as 168.254.59.18)
    2) a desktop PC ( with ip address 168.254.59.19)
    3) a panel view plus 400 compact HMI (with IP address assigned as 168.254.59.10)
    4)an ethernet cable.
    Now, my application is tested successfully through development PC via ethernet cable (which is directly connected between PC and PLC).
    After this, I copied this application in HMI. And the ethernet cable is connected between HMI and PLC.
    Now, when I load and run my application HMI shows various errors as follows:
    1.) Timed out reading item b3:0 from micrologix at 168.254.59.18.
    2.) Failed to write'0' in concerned tag.

    This is all about this!
    Now, what maybe the reason of communication failure between HMI and PLC.

  8. #8
    Administrator Shawn Tierney's Avatar
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    Hey vikas,

    Are you using a standard Ethernet patch cable?

    The nice thing about newer PC's is they support Auto-MDI-X which you can read about using the below link:

    https://en.wikipedia.org/wiki/Medium...dent_interface

    Before new laptops with Auto MDI-X support, we use to have to use a "cross over" or "uplink" cable to direct connect one device to another via Ethernet. But if we had a hub or switch in the middle we could use regular patch cables.

    If you think about it, it's the same thing as I mention above with serial ports where connecting two PCs together requires a cross over cable, aka null modem cable.

    So here's what I think is happening - you're trying to directly connect your PVPlus to your PLC with a patch cable when you really need an uplink cable because.... neither the PLC or the PVPlus support Auto MDI-X.

    But since you have a newer laptop, it does support Auto MDI-X so you can connect directly to both devices without issue.

    You could also use standard Ethernet patch cables and a switch to get all the devices on the same network at the same time.

    Hope this helps!

    Shawn Tierney,
    Instructor, The Automation School
    Looking for affordable automation training? If you are, check out my courses at TheAutomationSchool.com!

  9. #9

    thanks for your kind help sir !

    Dear sir,
    Good morning!
    I'm feeling excited to inform you that I got succeeded in running my application through PVP compact 400.
    Now, my application is correctly communicating to PLC (ML 1100) through PVP via same ethernet cable which I used with development PC and PLC.
    I think the issue was data inactivity between PVP and PLC.
    This is due to the fact that I was getting same errors in HMI when ethernet cable was disconnected.
    Dear sir, thanks again for your kind information and support!

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