5.1.6 Help ------------------------------------------------------------------------------------------------- 35 5.2 toolbar ------------------------------------------------------------------------------------------------------- 36 5.3 Instruction tree -------------------------------------------------------------------------------------------- 39 5.3.1 Project ---------------------------------------------------------------------------------------------- 40 5.3.2 Data block ------------------------------------------------------------------------------------------ 40 5.3.3 System block -------------------------------------------------------------------------------------- 41 5.3.4 Program block ------------------------------------------------------------------------------------- 48 5.3.5 Function symbol ---------------------------------------------------------------------------------- 48 5.3.6 Variable symbol ----------------------------------------------------------------------------------- 48 5.3.7 Status chart ---------------------------------------------------------------------------------------- 49 5.3.8 Cross reference ----------------------------------------------------------------------------------- 49 5.3.9 Communication ----------------------------------------------------------------------------------- 50 5.3.10 Instructions ------------------------------------------------------------------------------------ 51 5.3.11 The program editor ---------------------------------------------------------------------------- 52 5.3.12 Status chart, information output ----------------------------------------------------------- 53 5.4 Programming concepts ---------------------------------------------------------------------------------- 54 5.4.1 How the program works ------------------------------------------------------------------------ 54 5.4.2 Addressing overview ---------------------------------------------------------------------------- 54 5.4.3 How to organize the program ----------------------------------------------------------------- 56 5.5 How to enter the ladder logic program -------------------------------------------------------------- 57 5.5.1 How to build a new project -------------------------------------------------------------------- 57 5.5.2 Ladder logic element and its working principle ------------------------------------------- 57 5.5.3 Network rules for series and parallel in LAD ----------------------------------------------- 58 5.5.4 How to input commands in LAD ----------------------------------------------------------- 58 5.5.5 How to enter the address in LAD ------------------------------------------------------------- 60 5.5.6 How to edit program elements in LAD ------------------------------------------------------ 60 5.5.7 How to use find / replace ---------------------------------------------------------------------- 63 5.5.8 How to display errors in LAD in the program editor ------------------------------------- 64 5.5.9 How to compile in LAD -------------------------------------------------------------------------- 64 5.5.10 How to save the project ----------------------------------------------------------------------- 65 5.6 How to set up a communication and download program --------------------------------------- 65 5.6.1 Communication settings ------------------------------------------------------------------------ 65 5.6.2 Download program ---------------------------------------------------------------------------- 67 5.6.3 How to correct compilation errors and download errors ------------------------------- 68 5.7 How to monitor and debug the program ------------------------------------------------------------ 69 5.8 PLC operation and options ------------------------------------------------------------------------------ 73 6.X Ladder instructions descriptions ----------------------------------------------------------------------------- 74 6.1 Bit logic ------------------------------------------------------------------------------------------------------ 74 6.1.1 Normally open and normally closed --------------------------------------------------------- 74 6.1.2 Normally open immediate and normally closed immediate. -------------------------- 76 6.1.3 NOT Reverse instruction ------------------------------------------------------------------------ 76 6.1.4 Rising edge and falling edge ------------------------------------------------------------------- 77 6.1.5 Output ---------------------------------------------------------------------------------------------- 78 6.1.6 Output immediate ------------------------------------------------------------------------------- 78
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