Through the main menu item "Tools" - "Options" - "General", you can open the general settings menu, which can display the settings page shown in Figure 12-1.4. The page includes selection boxes such as "Default Program Editor", "Programming Mode", "Mnemonic Set", "Language", "Regional Settings".
In the "Default Editor" selection box, you can select three programming languages: STL (Statement List), LAD (Ladder Diagram), and FBD (Logical Function Diagram) provided by STEP7-Micro/WIN32 software.
In the "Programming mode" selection box, you can select two basic instruction systems, SIMATIC and IEC1131-3. The SIMATIC instruction set is designed for S7-200 plc. After selection, you can select three programming languages: STL, LAD and FBD. IEC1131- The 3 instruction set is a general-purpose PLC language and can only be programmed with ladder diagrams and logic function diagrams.
Dc Relay,Dc Power Relay,Condenser Contactor,Voltage Protection Relay
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