Posted 8 Jul 2019 Hi, I want sample program for modbus tcp for Q series plc. Does anyone help me ? Share this post Link to post Share on other sites
Posted 8 Jul 2019 You have a Q03UDV. Why not use the pre-defined protocol support function. It already had the modbus protocol defined. It's under tools in GX Works 2 1 person likes this Share this post Link to post Share on other sites
Posted 8 Jul 2019 @Gambit i try to use it . i dont know why SP.ECPRTCL command not execute. i attached file below open active.gxw Share this post Link to post Share on other sites
Posted 9 Jul 2019 What does your sequence program look like ? Share this post Link to post Share on other sites
Posted 9 Sep 2019 On 7/9/2019 at 2:38 PM, Gambit said: What does your sequence program look like ? Thank you for support. I already fix it. One more question i want to ask you : how to reset multi variety. In this situation I want to reset any "M". I attach pictures below. Thank you Share this post Link to post Share on other sites
Posted 11 Feb 2020 @AnDy Vo Could you share me the modbus tcp sample program using predefine in gx work 2? Share this post Link to post Share on other sites
Posted 17 Nov 2021 Hi, I could not find menu for "predefined protocol support function build-in ethernet on my GX Work 2. I am using GX Work2 1.98C. Do i need to install software add-on for this? Share this post Link to post Share on other sites
Posted 21 Nov 2021 Below is a sample code for GX Works2 providing Modbus TCP/IP Client or Server functionality to QnUDE-series or L-series PLC systems with built-in Ethernet ports. https://www.dropbox.com/sh/mtcjzlod7phfsns/AAC3Cr0Tz-M83zvEz5tSTAGXa?dl=0 Share this post Link to post Share on other sites
Posted 22 Nov 2021 On 11/17/2021 at 6:18 AM, Andak said: Hi, I could not find menu for "predefined protocol support function build-in ethernet on my GX Work 2. I am using GX Work2 1.98C. Do i need to install software add-on for this? This version of GXW2 is way to old (2 digits after point.) For some years now behind the digit is a 3 number version number. For example 1.605F Share this post Link to post Share on other sites
Posted 24 Nov 2021 On 11/22/2021 at 9:51 PM, VeeB said: This version of GXW2 is way to old (2 digits after point.) For some years now behind the digit is a 3 number version number. For example 1.605F Thanks for the feedback. I'll get more recent version to test. Share this post Link to post Share on other sites