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GFK-0467K Appendix D Key Functions D-3

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Contents

Main Warnings, Cautions, and Notes as Used in this Publication Warning Caution Note Preface Revisions to This Manual Content of This Manual Preface Related Publications Page Page Contents Section 2: Program Organization and User References/Data..................... 2-16 Section 3: Power-Up and Power-Down Sequences ......................................2-30 Section 6: Series 90-30, 90-20, and Micro I/O System................................. 2-38 Section 2: PLC Fault Table Explanations........................................................3-7 Page Page Page Page Page SVCREQ #4: Change System Comm. Window Mode and Timer Value............. 4-141 SVCREQ #9: Read Sweep Time from Beginning of Sweep.................................4-150 Page Page Page Page Introduction 1 Additional Reference Information: See the appendices in the b ack of this manual. System Operation Section 1: PLC Sweep Summary Standard Program Sweep GFK-0467K Chapter 2 System Operation 2-3 Figure 2-1. PLC Sweep Page GFK-0467K Chapter 2 System Operation 2-5 Table 2-2. I/O Scan Time Contributions for the 90-30 350 and 360 Series (in milliseconds) Sweep Time Calculation Example of Sweep Time Calculation Housekeeping Input Scan Application Program Logic Scan or Solution Output Scan Logic Program Checksum Calculation Programmer Communications Window 2-10 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K The following figure is a flow chart for the programmer communications portion of the sweep. Figure 2-2. Programmer Communications Window Flow Chart System Communications Window (Models 331 and Higher) GFK-0467K Chapter 2 System Operation 2-11 Figure 2-3. System Communications Window Flow Chart PCM Communications with the PLC (Models 331 and Higher) Standard Program Sweep Variations Constant Sweep Time Mode PLC Sweep When in STOP Mode Communication Window Modes Key Switch on 350 and 360 Series CPUs: Change Mode and Flash Protect Using the Release 7 and Later Key Switch Clearing the Fault Table with the Key Switch Enhanced Memory Protect with Release 8 and Later CPUs Section 2: Program Organization and User References/Data Subroutine Blocks (Series 90-30 PLC only) Page Examples of Using Subroutine Blocks How Blocks Are Called Periodic Subroutines User References or MULTIPLE). Refer to the Logicmaster 90-30/20Micro Programming Software Users Transitions and Overrides Retentiveness of Data Page Data Types Data types include the following: Table 2-5. Data Types Type Name Description Data Format Register 1 (16 bit positions) 16 1 S| System Status References Table 2-6. System Status References - Continued Reference Name Definition Function Block Structure Format of Ladder Logic Relays Format of Program Function Blocks Function Block Parameters Power Flow In and Out of a Function Section 3: Power-Up and Power-Down Sequences Power-Up * 2 * 13 89 18 16 * 1 4 3 5 Page Page Section 4: Clocks and Timers Elapsed Time Clock Time-of-Day Clock Watchdog Timer Constant Sweep Timer Time-Tick Contacts Section 5: System Security Passwords Privilege Level Change Requests Locking/Unlocking Subroutines Permanently Locking a Subroutine Section 6: Series 90-30, 90-20, and Micro I/O System Model 30 I/O Modules Table 2-7. Model 30 I/O Modules - Continued Catalog Number Points Description Pub Number I/O Data Formats Default Conditions for Model 30 Output Modules Diagnostic Data Global Data Model 20 I/O Modules Micro PLCs Fault Explanation and Correction Section 1: Fault Handling Alarm Processor Classes of Faults System Reaction to Faults Fault Tables Fault Action Fault References Fault Reference Definitions Additional Fault Effects PLC Fault Table Display I/O Fault Table Display Accessing Additional Fault Information Section 2: PLC Fault Table Explanations Fault Actions Loss of, or Missing, Option Module Reset of, Addition of, or Extra, Option Module System Configuration Mismatch Option Module Software Failure Program Block Checksum Failure Low Battery Signal Constant Sweep Time Exceeded Application Fault No User Program Present Corrupted User Program on Power-Up Password Access Failure PLC CPU System Software Failure Page Page Section 3: I/O Fault Table Explanations Loss of I/O Module Addition of I/O Module Series 90-30/20/Micro Instructions Set Section 1: Relay Functions Using Contacts Using Coils Normally Open Contact | | Normally Closed Contact |/| Coil ( ) Negated Coil (/) Retentive Coil (M) Negated Retentive Coil (/M) Positive Transition Coil () Negative Transition Coil () SET Coil (S) RESET Coil (R) Retentive SET Coil (SM) Retentive RESET Coil (RM) Links Continuation Coils (<+>) and Contacts (<+>) Section 2: Timers and Counters Function Block Data Required for Timers and Counters Special Note on Certain Bit Operations ONDTR Page GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-13 TMR Page Page OFDT Page Page UPCTR Page DNCTR Page 4-24 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-25 The second method, shown below, uses the ADD and SUB functions to provide storage tracking. Section 3: Math Functions This section describes the math functions of the Series 90-30/20/Micro Instruction Set: Standard Math Functions (ADD, SUB, MUL, DIV) Page Math Functions and Data Types 4-30 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K MOD (INT, DINT) Page SQRT (INT, DINT, REAL) Page Trig Functions (SIN, COS, TAN, ASIN, ACOS, ATAN) In the following example, the COS of the value in %R0001 is placed in %R0033. Logarithmic/Exponential Functions (LOG, LN, EXP, EXPT) Page Radian Conversion (RAD, DEG) In the following example, +1500 is converted to DEG and is placed in %R0001. Section 4: Relational Functions I1 and I2 must be valid numbers, i.e., cannot be NaN (Not a Number). Expanded Description: Function Description Page RANGE (INT, DINT, WORD) Page Page Section 5: Bit Operation Functions The following bit operation functions are described in this section: AND and OR (WORD) Page XOR (WORD) Page NOT (WORD) Page SHL and SHR (WORD) Page Page ROL and ROR (WORD) Page BTST (WORD) Page BSET and BCLR (WORD) Page BPOS (WORD) Page MSKCMP (WORD, DWORD) If All Bits in I1 and I2 are the Same If a Miscompare is Found Page Ladder Diagram Representation Section 6: Data Move Functions MOVE (BIT, INT, WORD, REAL) Page Before using the Move function: After using the Move function: BLKMOV (INT, WORD, REAL) 4-74 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K IN1 IN7 Q o Note: For REAL data, the only valid types are %R, %AI, and %AQ. BLKCLR (WORD) 4-76 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K IN SHFR (BIT, WORD) Page Page BITSEQ (BIT) Memory Required for a Bit Sequencer Page Page COMMREQ Command Block The command block has the following structure: Page Section 7: Table Functions ARRAY_MOVE (INT, DINT, BIT, BYTE, WORD) Page GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-89 Example 3: SRCH_EQ and SRCH_NE (INT, DINT, BYTE, WORD) SRCH_GT and SRCH_LT SRCH_GE and SRCH_LE Page Page Section 8: Conversion Functions >BCD-4 (INT) Page >INT (BCD-4, REAL) 4-98 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K IN Q Note: For REAL data, the only valid types are %R, %AI, and %AQ. >DINT (REAL) Parameter flow %I %Q %M %T %S %G %R %AI %AQ const none >REAL (INT, DINT, BCD-4, WORD) Page >WORD (REAL) Page TRUN (INT, DINT) Page Section 9: Control Functions CALL DOIO Page Input Example 1: Input Example 2: 4-112 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K Output Example 1: Output Example 2: Enhanced DO I/O Function for 331 and Later CPUs SER Page Page Status Extra Data SER Data Block SER Notes Page In the following example, the offsets have been set up as described in the table below. Page Data Block END MCR Differences Between MCRs and JUMPs 4-126 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K ENDMCR JUMP Page LABEL COMMENT SVCREQ Page SVCREQ #1: Change/Read Constant Sweep Timer Page Page SVCREQ #2: Read Window Values Page Page 4-140 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K SVCREQ #4: Change System Comm. Window Mode and Timer Value High Byte Low Byte Page SVCREQ #6: Change/Read Number of Words to Checksum To Read the Current Word Count: To Set a New Word Count: 4-144 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K The example parameter blocks are located at address %R0150. They have the following content: SVCREQ #7: Change/Read Time-of-Day Clock 4-146 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K Parameter Block Contents To Change/Read Date and Time Using BCD Format: To Change/Read Date and Time using Packed ASCII with Embedded Colons Format SVCREQ #8: Reset Watchdog Timer SVCREQ #9: Read Sweep Time from Beginning of Sweep SVCREQ #10: Read Folder Name SVCREQ #11: Read PLC ID SVCREQ #12: Read PLC Run State SVCREQ #13: Shut Down (Stop) PLC SVCREQ #14: Clear Fault Tables SVCREQ #15: Read Last-Logged Fault Table Entry GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-157 Page GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-159 SVCREQ #16: Read Elapsed Time Clock SVCREQ #18: Read I/O Override Status SVCREQ #23: Read Master Checksum SVCREQ #26/30: Interrogate I/O SVCREQ #29: Read Elapsed Power Down Time SVCREQ #46:Fast Backplane Status Access Read Extra Status Data (Function #1) Use the table on the following page to interpret the output values: Write Data (Function #2) Read/Write Data (Function #3) GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-169 4-170 Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K PID Page PID Parameter Block: Page Operation of the PID Instruction Table 4-5. PID Parameters Details (00) (07) (06) (05) Page Table 4-5. PID Parameters Details - Continued Internal Parameters in RefArray PID Algorithm Selection (PIDISA or PIDIND) and Gains CV Amplitude and Rate Limits Sample Period and PID Block Scheduling Determining the Process Characteristics Setting User Parameters Including Tuning Loop Gains Setting Loop Gains Ziegler and Nichols Tuning Approach Sample PID Call GFK-0467K Chapter 4 Series 90-30/20/Micro Instructions Set 4-185 Instruction Timing A A-2Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K Table A-1. Instruction Timing GFK-0467K Appendix A Instruction Timing A-3 A-4Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K Table A-1. Instruction Timing-Continued GFK-0467K Appendix A Instruction Timing A-5 A-6Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K GFK-0467K Appendix A Instruction Timing A-7 A-8Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K Table A-1. InstructionTiming-Continued GFK-0467K Appendix A Instruction Timing A-9 Instruction Sizes for 350 and 360 Series CPUs Boolean Execution Speed Interpreting Fault Tables B PLC Fault Table Long/Short Indicator Spare Rack Slot Task PLC Fault Group Fault Action Error Code Page Fault Extra Data PLC Fault Time Stamp B-8Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K I/O Fault Table Long/Short Indicator Reference Address I/O Fault Address Rack Slot Point I/O Fault Group I/O Fault Action I/O Fault Specific Data Symbolic Fault Specific Data Fault Actions for Specific Faults I/O Fault Time Stamp GFK-0467K C-1 Instruction Mnemonics C C-2Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K C GFK-0467K Appendix C Instruction Mnemonics C-3 Key Functions D Page Page Page Using Floating-Point Numbers E Floating-Point Numbers E-2Series 90-30/20/Micro Programmable Controllers Reference Manual September 1998 GFK-0467K Internal Format of Floating-Point Numbers Values of Floating-Point Numbers Entering and Displaying Floating-Point Numbers Errors in Floating-Point Numbers and Operations Page Index 3 A B C D E F G H I J K M N O P R S T U V W X

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