Application #4 Industrial ªStarting Circuitº | GE GFK-0804B instruction

F

Application #4: Industrial ªStarting Circuitº

This logic provides a sample starting circuit for an industrial application. Included in the circuit is a simulation of a time delay relay and an emergency stop feature. In your ap- plication other safety interlocks may need to be included in the logic. A typical ladder logic is shown below.

Rung 1
I2	I1	C5	C4

+±±/±±+±±+±±+±±±±±±±+±±/±±±±+±±±±±±+±±()±±

	PB2		PB1



			C4
		+±± ±±+

Rung 2
	C4		C5	ONTMR	C6

+±± ±±+±±/±±+±±±±±±±+±±+±±±±±±±+[R001 ]+±±( )±±





	I2
+±±±±+±±±±±±±+±±±±±±±+±±±+±±±±±±±[00100]
	PB2



	C6
+±± ±±+

Rung 0003
	I2	C6	C5

+±±/±±+±± ±±+±±±±±±±+±±±±±±±+±±±±±±±+±±( )±±

	PB2



		C5
	+±± ±±+

GFK-0804B

Appendix F Programming Applications

F-5

Image 156

GE GFK-0804B manual Application #4 Industrial ªStarting Circuitº

Contents

GE Fanuc Automation GFL±002 Content of this Manual Related Publications Preface Technical AssistanceWe Welcome Your Comments and Suggestions Contents Math Functions Appendix a Using Directories Appendix B Micro PLC Protocol Appendix E Data Acquisition, Logging, and Display Program Chapter Programming for the Micro PLC Programming Basics Device Designation Power Flow in a Program PLC Programs Micro PLC Instruction Set Programming Devices and Formats Programming with the Programming SoftwareProgramming on a Hand-held Programmer Memory Types and Addresses Constants and Register Values in a ProgramMemor y Map Non-retentive and Retentive Registers Special Coils Sec Clock C1018Start-up Scan Coil C1019 Hold Output Coil C1021 Programming for an Analog Expander Unit Analog ScalingAnalog References Maximum Values Programming Examples Example #1 Chapter Programming with the Programming Software Using the Programming Functions Programming Operations Programming Functions Creating a Program Rung Running the Programming Software Running the Programming Software from a Hard DiskRunning the Programming Software Directly from a Diskette Editing Basics Horizontal and Vertical Lines in a Rung Element Labels and Rung Labels Editing a Completed Rung Selecting a Rung to EditEditing a Rung Element Deleting a Rung Element Adding a Contact to a Rung Adding a Program Function to a Rung Replacing a Rung Element with a Similar Element Replacing a Rung Element with a Horizontal Line Replacing a Rung Element with a Dissimilar Element Deleting Rungs Moving Rungs Copying Rungs Searching for a Rung or Program Element Chapter Programming with a Hand-held Programmer Program Listing Program Transfer Entering Program Logic Hand-Held Programmer Key Operation and Displays Inserting a Rung Element Deleting a Rung Element, Rung or Program In Memory Deleting a Rung Element Searching Programming Examples Using the HHP Ladder Diagram Chapter Micro PLC Instruction Set Operation Ladder Symbol Description Instruction Set Summary Micro PLC Instruction Set Contacts General Programming Software Instructions for Contacts Normally- Open Contact Programming Software InstructionsExamples and HHP Instructions Programming Normally-Open Contact at the Start of a Rung Programming a Normally-Open Contact in Series Programming a Normally-Open Contact in Parallel Normally- Closed Contact Programming Normally-Closed Contact at the Start of a Rung Programming a Normally-Closed Contact in Series Programming a Normally-Closed Contact in Parallel Positive Transition Contact Example and HHP Instructions Negative Transition Contact Example and HHP Instructions Using Coil Pairs CoilsGeneral Programming Software Instructions for Coils Output Coil Set/Reset Coil Pair ResetExample and HHP Instructions Set Master Control Relay/End Coil Pair End Skip/End Coil Pair Skip Timers Programming Software Instructions for TimersEnter the other logic required by the Timer Use the Accept F10 key to add the rung to the program On Timer Off Timer Counters Programming Software Instructions for CountersEnter the other logic required by the Counter Up Counter Down Counter Math Functions Addition ADDMaximum Total Addition R1+R2 ! R3 R1+ 1! R4 Subtraction SUB 1st number 2nd number Total in register R1± 5! R2 R3±R4 ! R5 Multiplication MUL Examples R1 x R2! R3 Division DIV Whole # Remainder Using Division and Multiplication Functions Together Divide Move Functions MoveMove Select Move F5 from the Math/Move function keys Ladder Diagram Hand-held Programmer Block Move R001 0002 R004 R010 R020 R100 R1E 5! R10 O9E 8! O17 Indirect Move Specifying a Location in the Pointer RegisterSelect I±Move F7 from the Math/Move function keys Start Move Compare Functions ExamplesEqual Greater Press Enter to add the function to the program Logic Operations Not Word Inclusive or IOR Exclusive or XOR Shift Register Right Entering the Number of Positions to Shift Shift Register Left Not Appendix Using Directories Loading and Saving Files Using the Change Directory Function MICRO.CFG FileHints for a Basic Application Hints for an Advanced Application CMD\MICRO\PALLET CMD\MICRO\RIVETER CMD\MICRO\TRANSFER Appendix Micro PLC Protocol Communications Files Communications Memory Types and Addresses Communications ParametersMemory Addresses Special Registers Communications Protocol Data FormatRead Discretes Reply Read Analogs Read Program MemoryWrite Discretes Write Analogs Write Program Memory Read StatusStatus Word Error Reply Error codesStart Program Stop Program Communications Functions Microsoft C Large Model Compile w/ -AL Option Microsoft C Small Model Compile w/ -AS Option Turbo C Large Model Compile w/ -ml Option Turbo C Small Model Compile w/ -ms Option IBM Compiler Basic Sample Programs #include dos.h #include stdio.h #include ªMCROCOMM.Cº Sample Basic Program Appendix RTU Protocol Introduction Message Types Transmission SequenceQuery Broadcast Error Check Field Message FieldsStation Address Function Code Timeout Usage Character FormatMessage Termination Cyclic Redundancy Check CRC Generating Polynomial Hardware Implementation of CRC-16 Software Calculation of CRC±16 Example CRC±16 Calculation Address Function CRC±16 RTU Message Length Function Code And NameQuery or Broadcast Message Length Less CRC Code Response Message Length Less CRC Code Message Descriptions Message 01 Read Output Table FormatResponse Message 02 Read Input Table Format Message 03 Read Registers Format Message 04 Read Analog Inputs Format Message 05 Force Single Output Format Message 06 Preset Single Register Format Message 07 Read Exception Status Format Message 16 Preset Multiple Registers Format Message 17 Report Device Type Format Communication Errors Invalid Function Code Error ResponseInvalid Address Error Response Invalid Query Message Invalid Data Value Error Response Query Processing Failure Error ResponseSerial Link Timeout Invalid Transactions Appendix Communications Using Windows DDE Limits of the Demonstration Software Features of the Micro PLC DDE Driver Software Simple Demonstration using Microsoft Word Demonstration using Microsoft Excel Viewing PLC Data in Windows Viewing PLC Data in another DDE-compliant Application Writing Values to the PLC from another ApplicationOrdering Information Features Using the Display Software with Micro PLC Net Overview Appendix E Data Acquisition, Logging, and Display Program Equipment Required Startup Invoking Display Display Software Menus Auto Polling Operation Changing the Screen Colors Editing Summary Manual Mode Data Format Entering Manual Mode Reading One Word of Input, Output, or Register DataReading Multiple Bytes of Input, Output, or Register Data Creating a Bank of Registers for Downloading Data Writing Data to the Registers 15,T,1 Creating or Editing Autopolling Screens Naming an Auto-polling Screen FileSpecifying an Existing File to Edit Creating an Auto-polling Screen Setup for Data Logging During Auto-Polling Formatting Strings for Auto-polling ScreensText for Auto-polling Screens Data Display String Format ± &XYYYYYZN FormatExample Data Limits Format ± &L,X,YYYYY,LowLimit,Hilimit Hilimit Colors/logtime setup format ± &#,SC,BC,LT #,SC,BC,LT System Messages Creating or Editing System Messages Specifying the Device to Control System Message Display Auto-Polling During System Operation Executing an Auto-polling Screen Changing the Display Printing the ScreenWriting a Value to a Register Forcing an Output Data Logging How Data Logging Works.LOG File Renaming the .LOG File to Prevent Overwriting Data Format of Logged Data Time Stamp Year, Month, Day, Hour, Minutes, SecondsData Type Table, Reference, Data Value Target ID Error Messages During Operation Error Writing to Device COM1 Appendix ProgrammingApplications Application #1 Flip / Flop Toggle Operation Application #2 Power Up One Shot Start±up Protection Application #3 Cascading Counters Application #4 Industrial ªStarting Circuitº +±± ±±+±±/±±+±±±±±±±±±±+±±±±±±±+±±±±±±±+±± ±± Index Index-2 Index-3