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02/24/97 1 Rockwell Automation Hands-On Seminar Series

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02/24/ SLC 500 BASIC LADDER INSTRUCTIONS

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02/24/ Advanced Instructions Math Add Subract Multiply Divide Comparison Greater Than Less Than Equal Not Equal Greater Than or Equal Less Than or Equal Data Movement Move Copy Clear

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02/24/ Math Instructions - ADD Source A + Source B = Dest N7:010 N7:1 5 N7: = 15 ADD Source AN7:0 Source BN7:1 DestN7:2 ADD I:1 0

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02/24/ Math Instructions - ADD Source A + Source B = Dest N7:0 1 N7:1 5 N7: = 6 ADD Source AN7:0 Source BN7:1 DestN7:1 ADD I:1 0 Application: Running Total

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02/24/ Math Instructions - ADD Source A + Source B = Dest N7:0 1 N7:1 5 N7: = 6 NOTE: This instruction executes every scan that the rung is true, therefore use a One-Shot OSR. ADD Source AN7:0 Source BN7:1 DestN7:1 ADD I:1 0 B3 0 OSR Application: Running Total

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02/24/ Math Instructions - SUBTRACT Source A - Source B = Dest N7:010 N7:1 5 N7: = 5 SUBTRACT Source AN7:0 Source BN7:1 DestN7:2 SUB I:1 0

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02/24/ Math Instructions - MULTIPLY Source A x Source B = Dest N7:010 N7:1 5 N7: x 5 = 50 MULTIPLY Source AN7:0 Source BN7:1 DestN7:2 MUL I:1 0

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02/24/ Math Instructions - DIVIDE Source A ÷ Source B = Dest N7:010 N7:1 5 N7: ÷ 5 = 2 DIVIDE Source AN7:0 Source BN7:1 DestN7:2 DIV I:1 0 S:13 0 remainder S:14 2 unrounded quotient Math Register {

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02/24/97 10 Math Instructions - DIVIDE Source A ÷ Source B = Dest N7:029 N7:110 N7: ÷ 10 = 2.9 DIVIDE Source AN7:0 Source BN7:1 DestN7:2 DIV I:1 0 S:13 9 remainder S:14 2 unrounded quotient Math Register {

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02/24/97 11 Comparison Instructions > GREATER THAN Source AN7:0 Source BN7:1 GTR 0:3 0 ( ) IF Source A > Source B THEN TRUE ELSE FALSE N7:029 N7: > 10 TRUE therefore Output is Energized

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02/24/97 12 Comparison Instructions < LESS THAN Source AN7:0 Source BN7:1 LES 0:3 0 ( ) IF Source A < Source B THEN TRUE ELSE FALSE N7:029 N7: < 10 FALSE therefore Output is de-Energized

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02/24/97 13 Comparison Instructions = EQUAL Source AN7:0 Source BN7:1 EQU 0:3 0 ( ) IF Source A = Source B THEN TRUE ELSE FALSE N7:029 N7: = 10 FALSE therefore Output is de-Energized

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02/24/97 14 Comparison Instructions NOT EQUAL Source AN7:0 Source BN7:1 NEQ 0:3 0 ( ) IF Source A Source B THEN TRUE ELSE FALSE N7:029 N7: 10 TRUE therefore Output is Energized

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02/24/97 15 Comparison Instructions GRTR THAN OR EQUAL Source AN7:0 Source BN7:1 GEQ 0:3 0 ( ) IF Source A Source B THEN TRUE ELSE FALSE N7:029 N7: 10 TRUE therefore Output is Energized

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02/24/97 16 Comparison Instructions LESS THAN OR EQUAL Source AN7:0 Source BN7:1 LEQ 0:3 0 ( ) IF Source A Source B THEN TRUE ELSE FALSE N7:029 N7: 10 FALSE therefore Output is de-Energized

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02/24/97 17 Data Movement - Move MOVE Source N7:0 DestN7:1 MOV I:1 0 SourceDest N7:050 N7:150

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02/24/97 18 Data Movement - Copy COPY FILE Source #N7:0 Dest#N7:5 Length4 COP I:1 0 SourceDest N7:010 N7:120 N7:230 N7:340 N7:4 N7:510 N7:620 N7:730 N7:840 } }

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02/24/97 19 Data Movement - Clear CLEAR DestN7:1 CLR I:1 0 ZeroDest N7:050 N7:1 0

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02/24/97 20 Advanced Instructions ANY QUESTIONS??? Math Add Subract Multiply Divide Comparison Greater Than Less Than Equal Not Equal Greater Than or Equal Less Than or Equal Data Movement Move Copy Clear

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02/24/97 21 Timer Addressing and Parameters PresetT4:0.PREHow long the timer should time for. AccumulatedT4:0.ACCHow long the timer has timed for already. DoneT4:0/DNSet to “1” when accumulated value > preset value. Timer TimingT4:0/TTSet to “1” when accumulated value < preset value. EnableT4:0/ENSet to “1” when the rung containing the timer is true. T4:0 File Type File Number Timer Number (0-255) 4 Timers File contains 256 timers Preset Value Accumulated Value ENTTDN Word 0 Word 1 Word 2

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02/24/97 22 The Timer’s “done bit” turns the motor off after a 10 second time delay. TIMER ON DELAY Timer T4:0 Time Base 1.0 Preset 10 Accum 0 Stop Start Motor ]/[]/[ ] [ ( ) I:1/0 I:1/1 M1 O:3/0 ] [ M1 O:3/0 ]/[ T4:0/DN ( EN ) ( DN ) Timer Done Timers TON

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02/24/97 23 Timers TIMER ON DELAY Timer T4:0 Time Base 1.0 Preset 10 Accum 0 TON ] [ ( EN ) ( DN ) ON-OFF Selector Switch I:2/2 Motor ] [] [ ( ) O:3/0 T4:0/TT Timer Timing The Timer’s “timing bit” turns the motor on for only 10 seconds.

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