Posted 29 May 2017 Is there a way to change the status from the inputs 18;19;32;33 from a Danfoss inverter in a Modbus telegram . regards Johan Share this post Link to post Share on other sites
Posted 31 May 2017 This is the Omron forum, not sure if you meant to post this here or not, but you are unlikely to get a response to this question here. Share this post Link to post Share on other sites
Posted 14 Jun 2017 Hallo Michael . I am using a OMRON PLC with a SCU42 card to communicate with a Danfoss inverter . The OMRON PLC runs a MODBUS RTU master prog . The Value for the program are set in a NS5 screen with FINS/TCP connection The Danfoss inverter communicate in MODBUS to the SCU42 card . I was hoping to find someone that knows how to send a MODBUS telgram with 16 bit instead of the default 8 bit . regards Johan Share this post Link to post Share on other sites
Posted 14 Jun 2017 Ah, well that is different. Lets see if someone can help you... Share this post Link to post Share on other sites
Posted 19 Jun 2017 Its been a while since I used Modbus Protocol, but isnt it possible to define your own telegrams, meaning that you can transmit the two required bytes by including them when defining the telegram itself? Share this post Link to post Share on other sites
Posted 22 Jun 2017 Hallo Hanselot . I have tryed to make my own telegram . the problem I have is that the I use macro's in the NS5 screens to make the telegram . but MODBUS sends 8 Bit and the Controle Word from DANFOSS is 16 bit . if you have a telegram that can do 16 bit . i wil try it . regarsd Johan Share this post Link to post Share on other sites