Plc LG(Www.plcforall.com)

LG PLC

http://plcforall.com

Http://plcforall.comby:pyman rasehk

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D;-2#$39Down Counter>3"PLC$"C

CD=Counter Down input pulse (Bool) LD=Load preset value (Bool) PV=Preset value (Int) Q=Counter output (Bool) CV=Counter value (Int) LD=1 CV=PV CV=UP/Down CounterC

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------------------------------

CU=Counter up pulse Input (Bool) | R = 1 CV = 0 CD=Counter Down pulse Input (Bool) | LD =1 CV = PV R=Reset Input (Bool) | CV => PV QU = 1 LD=Load preset value (Int) | CV =< 0 QD=1 PV=Preset value (Int) ------------------------------

QU=Up Counter output (Bool) QD=Down Counter Output (Bool) CV=Counter value (Int)

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CU=Counter up pulse Input (Bool) PV=Preset value (Int)


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R=Rest Input "#$39L#:iPV CV$"PB

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4) INT - 4-digit HEX-type 7 segment code: use INT_TO_WORD function first and SEG function 5) When 7 segment display digits are more than 4, A) in case of BCD, HEX type, use SEG function, after dividing them into 4 digits. B)INT -> 8-digit BCD-type 7 segment code Divide INT by 10,000 and convert quotient and remainder into upper/lower 4-digit 7 segment code using INT_TO_BCD and SEG function

(1) If the transition condition (%M0)01 SEG function is executed. (2) If input variable BCD_DATA (WORD) = 16#1234. The output is 2#00000110_0l011011_0l001111_01100110 which is displayed as a 7 segment code (1234) and written at SEG_PATTERN (DWORD).

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