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About Deng

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  • Country Vietnam
  1. Cyclic task in PLC Program

    Hi, I'm new to Omron PLC. Can you give me instructions how to turn off all output bit in an cyclic task when I turn off that task. I'm using TKON and TKOF. Thanks in advance
  2. About Function Block Variables

    Thank you very much!!!
  3. Hi, I'm new to Omron and I need help about using function block. When I create a function block, there are five types of variables: Internals, Inputs, Outputs, In Out, Externals. I think that "Inputs" and "Outputs" is in and out of function block, and when I need a variable, I will use "Internals". Is it right? How about the "In Out" and "Externals" ? Please help me understand clearly. Many thanks.
  4. Inter PLC Communication over FINS

    Hello SillyBoy, I'm establishing FINS Communication between both PLCs using SEND and RECV. And I don't understand about the SEND and RECV instruction. Can you help me with this? In PLC1 (node 1), I use the SEND(090) instruction sends one word to PLC2 (node 2). The PLC2 still receive that word although I don't use RECV instruction!!! So, when do we use RECV instruction? Many thanks!