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PLC Training Intro

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A few sample slides from a PowerPoint our instructor made of a NY on-site PLC Training class. Our customers receive the full slides with instructor’s notes, tips and references.

Published in: Career, Technology, Business

PLC Training Intro

  1. 1. Copyright 2009 Business Industrial Network www.BIN95.com INTRO TO PLC These are sample slides from presentation one of our instructors customized for NY customer. Customers who receive our PLC Training also received the full version of this PowerPoint with Instructor notes included. See www.BIN95.com to learn more about our PLC training.
  2. 2. PLC … PROGRAMMABLE LOGIC CONTROLLER allows changes in operation of equipment by changing program logic. I N P U T O U T P U T ADD TIMERS … FOR DELAY STARTS. ADD CONTERS… FOR MAX TRYS TO START MOTOR IN GIVEN AMOUNT OF TIME. ADD TIME / DATE STAMPS… FOR TRACKING MAINTENANCE PROGRAMS. <ul><li>Can be programmed to take the place of thousands of relays. </li></ul><ul><li>Immunity to electrical noises. </li></ul><ul><li>Resistance to vibration and impact. </li></ul><ul><li>Real time system. </li></ul><ul><li>Decision making logic is expressed in simple ladder logic which appears similar to electrical schematic diagrams. </li></ul><ul><li>Machine operations are stored in battery back-up or non-volatile memory. </li></ul>Copyright 2009 Business Industrial Network www.BIN95.com CAR_FWD CAR _REV FWD. REV. STOP
  3. 3. Typical PLC Application <ul><li>IF N/S is red </li></ul><ul><li>AND E/W is green </li></ul><ul><li>AND NOT yellow </li></ul><ul><li>THEN E/W WALK </li></ul>N/S E/W Copyright 2009 Business Industrial Network www.BIN95.com
  4. 4. SLC 500 Processors <ul><li>5/01 </li></ul><ul><li>51 Instructions </li></ul><ul><li>1K or 4K memory </li></ul><ul><li>Maximum of 30 slots </li></ul><ul><li>4 - 3940 I/O Points </li></ul><ul><li>DH 485 </li></ul><ul><li>Scan Time 8ms </li></ul><ul><li>5/02 </li></ul><ul><li>71 Instructions </li></ul><ul><li>1K or 4K memory </li></ul><ul><li>Maximum of 30 </li></ul><ul><li>slots </li></ul><ul><li>4 - 3940 I/O </li></ul><ul><li>Points </li></ul><ul><li>DH 485 </li></ul><ul><li>Scan Time 4.8ms </li></ul><ul><li>5/03 </li></ul><ul><li>107 Instructions </li></ul><ul><li>8K, 16K or 32K </li></ul><ul><li>Mem </li></ul><ul><li>Maximum of 30 </li></ul><ul><li>slots </li></ul><ul><li>4 - 3940 I/O Points </li></ul><ul><li>DH 485 </li></ul><ul><li>RS 232 </li></ul><ul><li>Scan Time 1ms </li></ul><ul><li>5/04 </li></ul><ul><li>107 Instructions </li></ul><ul><li>16K, 32K, or 64K Mem. </li></ul><ul><li>Maximum of 30 </li></ul><ul><li>slots </li></ul><ul><li>4 - 3940 I/O Points </li></ul><ul><li>DH + </li></ul><ul><li>RS 232 </li></ul><ul><li>Scan Time .9 ms </li></ul><ul><li>5/05 </li></ul><ul><li>107 Instructions </li></ul><ul><li>16K, 32K, or 64K Mem. </li></ul><ul><li>Maximum of 30 </li></ul><ul><li>slots </li></ul><ul><li>4 - 3940 I/O Points </li></ul><ul><li>Ethernet </li></ul><ul><li>RS 232 </li></ul><ul><li>Scan Time .9 ms </li></ul>Copyright 2009 Business Industrial Network www.BIN95.com
  5. 5. Programming Instructions AND OTU OSR OTL OTE XIO XIC NOT XOR ADD RPC MVM MOV MEQ GEQ GRT LEQ EQU TDF RHC RES RTO CTD CTU TOF TON DIV MUL SUB DCD CLR DDV JMP FRD TOD Over 100 instructions! 20 of the instructions do 80% of the work! Copyright 2009 Business Industrial Network www.BIN95.com
  6. 6. AC Input AC Output Temperature Stepper Control DC Output Digital Input Sourcing Input Sinking Input Analog Input RTD Input Analog Output AC Relay Output I/O Modules High Speed Counters Open Loop Servo Copyright 2009 Business Industrial Network www.BIN95.com
  7. 7. The three parts of a I/O address: P/S CPU 1. Type of Card: INPUT _ OUTPUT 0 1 2 3 4 5 6 8 7 9 I:01 O:02 <ul><li>2. Word (Slot ) Address </li></ul><ul><li>The word address refers to the slot being addressed. </li></ul><ul><li>Example: I:01 is an input card placed in slot 1 (WORD 1) </li></ul><ul><li>Example: O:02 is an output card placed in slot 2. (WORD 2) </li></ul><ul><li>3. Bit </li></ul><ul><li>Bits are numbered decimally, from 0-15. </li></ul><ul><li>The bit address is the bit within the word being address. </li></ul>SLC Input Address I:01/08 I = Input 01 = Word (Slot 1) 08= Bit (decimal) SLC Output Address O:02/04 O = Output 02 = Word (Slot 2) 04 = Bit (decimal) I:01/ 08 O:02/ 04 Copyright 2009 Business Industrial Network www.BIN95.com
  8. 8. Input / Output Modules Each Point is numbered and corresponds to the I/O image table and the I/O device. I/O Hardware / Software Address I:02 O:03/ 00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07 Each Input device takes on the ID of where it is terminated. PB 1 I:02/02 Each Output device takes on the ID of where it is terminated . LIGHT 1 O:03/05 I:02/2 (Slot 2-Terminal 2) Hardware Address O:03/5 (Slot 3-Terminal 5) I:02/2 (Word 2-Bit 2 ) Software Address O:03/5 (Word 3- Bit 05) Copyright 2009 Business Industrial Network www.BIN95.com
  9. 9. BITS, BYTES and WORDS A single binary digit (a bit) corresponds to the condition of a single wire. +5 V +5 V If the voltage is off, the bit value is 0. 0 1 If the voltage is on, the bit value is 1. Copyright 2009 Business Industrial Network www.BIN95.com
  10. 10. bit ( b -inary dig- it ) nibble_ 4 bits byte- 8 bits word_ 16 bits Nibble Byte Nibble Nibble Nibble Byte Word BITS, BYTES and WORDS Copyright 2009 Business Industrial Network www.BIN95.com
  11. 11. Memory Organization MEMORY DATA PROGRAM File O__ Output Data Table File 1__ Input Data Table File 2__ Status Data Table File 3__ Bit Data Table File 4__ Timer Data Table File 5__ Counter Data Table File 7__ Integer Data Table File 6__ Control Data Table File 8__ Floating Point Data SYS 0__ Forbidden SYS 1__ Forbidden LAD 2 __ MAIN Copyright 2009 Business Industrial Network www.BIN95.com
  12. 12. PLC Operating Cycle Input Scan Program Scan Output Scan Housekeeping START Copyright 2009 Business Industrial Network www.BIN95.com
  13. 13. PLC Scan Cycle… File O__ Output Data Table File 1__ Input Data Table File 2__ Status Data Table File 3__ Bit Data Table File 4__ Timer Data Table File 5__ Counter Data Table File 6__ Control Data Table File 7__ Integer Data Table File 8__ Floating Point Data Table RAM / Data Tables ROM / Program Files CPU Start Scan Internal Checks Scan Inputs Execute Program Update Outputs Copyright 2009 Business Industrial Network www.BIN95.com
  14. 14. PLC Processor 0 1 0 0 0 0 0 0 0 0 Input Data Table 0 0 CPU Scans Inputs Transfers Input Status to Input Table (RAM) Reads Input Table Solves Logic Executes Program Updates Output Table Output Data Table 1 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 Real World outputs energized / de-energized Inputs Outputs 0 0 0 1 Examine: If TRUE write 1 If NOT TRUE write 0 SCAN CYCLE Copyright 2009 Business Industrial Network www.BIN95.com
  15. 15. Copyright 2009 Business Industrial Network www.BIN95.com Go To www.BIN95.com today For more Industrial Training …

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