Справочник ПользователяСодержаниеChapter 1 Introduction19Chapter 2 System Operation21Section 1: PLC Sweep Summary22Standard Program Sweep22Programmer Communications Window29System Communications Window (Models 331 and Higher)30PCM Communications with the PLC32Standard Program Sweep Variations33Key Switch on 350 and 360 Series CPUs: Change Mode and Flash Protect34Section 2: Program Organization and User References/Data36Subroutine Blocks (Series 90-30 PLC only)36User References40Transitions and Overrides41Retentiveness of Data41Data Types43System Status References44Function Block Structure46Function Block Parameters48Section 3: Power-Up and Power-Down Sequences50Power-Up50Power-Down53Section 4: Clocks and Timers54Elapsed Time Clock54Time-of-Day Clock54Watchdog Timer55Constant Sweep Timer55Time-Tick Contacts55Section 5: System Security56Passwords56Privilege Level Change Requests57Locking/Unlocking Subroutines57Section 6: Series 90-3090-20, and Micro I/O System58Model 30 I/O Modules59I/O Data Formats61Default Conditions for Model 30 Output Modules61Diagnostic Data61Global Data62Model 20 I/O Modules62Micro PLCs63Chapter 3 Fault Explanation and Correction64Section 1: Fault Handling65Alarm Processor65Classes of Faults65System Reaction to Faults66Fault References67Fault Reference Definitions68Additional Fault Effects68PLC Fault Table Display68I/O Fault Table Display68Accessing Additional Fault Information69Section 2: PLC Fault Table Explanations70Fault Actions71Section 3: I/O Fault Table Explanations80Loss of I/O Module80Addition of I/O Module81Chapter 4 Series 90-30/20/Micro Instructions Set82Section 1 : Relay Functions83Section 2 : Timers and Counters90Section 3 : Math Functions107Section 4 : Relational Functions122Section 5 : Bit Operation Functions128Section 6 : Data Move Functions150Section 7 : Table Functions167Section 8 : Conversion Functions175Section 9 : Control Functions188Appendix A Instruction Timing267Appendix B Interpreting Fault Tables277PLC Fault Table278I/O Fault Table284Appendix C Instruction Mnemonics289Appendix D Key Functions292Appendix E Using Floating-Point Numbers296Floating-Point Numbers296Internal Format of Floating-Point Numbers298Values of Floating-Point Numbers299Entering and Displaying Floating-Point Numbers300Errors in Floating-Point Numbers and Operations301Index303Размер: 1,3 МБСтраницы: 311Язык: EnglishПросмотреть