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鎮ㄧ従(xi脿n)鍦ㄧ殑浣嶇疆锛� 涓湅鍌冲嫊缍�(w菐ng) > 鎶€琛撻牷閬� > 鎶€琛撶櫨绉� > PLC涓父鐢ㄩ€插埗涔嬮枔鏄浣曡綁鎻涚殑锛�

PLC涓父鐢ㄩ€插埗涔嬮枔鏄浣曡綁鎻涚殑锛�

鏅傞枔锛�2024-02-27 13:54:07渚嗘簮锛氱帺杞塒LC宸ユキ(y猫)姗熷櫒浜�

灏庤獮锛�?鏁�(sh霉)鍒朵篃绋辫▓鏁�(sh霉)鍒�锛屾槸鐢ㄤ竴绲勫浐瀹氱殑绗﹁櫉鍜岀当(t菕ng)涓€鐨勮(gu墨)鍓囦締琛ㄧず鏁�(sh霉)鍊肩殑鏂规硶銆�

浠讳綍涓€鍊嬫暩(sh霉)鍒堕兘鍖呭惈鍏╁€嬪熀鏈绱狅細鍩烘暩(sh霉)鍜屼綅娆�銆�

鍩烘暩(sh霉)锛�鏁�(sh霉)鍒舵墍浣跨敤鏁�(sh霉)纰肩殑鍊嬫暩(sh霉)銆�

渚嬪锛屼簩閫插埗鐨勫熀鏁�(sh霉)鐐�2锛涘崄閫插埗鐨勫熀鏁�(sh霉)鐐�10銆�

浣嶆瑠锛�鏁�(sh霉)鍒朵腑鏌愪竴浣嶄笂鐨�1鎵€琛ㄧず鏁�(sh霉)鍊肩殑澶�?銆傘剫願藉宫鎭㈢帿鑶瑀鍊硷級銆�

渚嬪锛屽崄閫插埗鐨�123锛�1鐨勪綅娆婃槸100锛�2鐨勪綅娆婃槸10锛�3鐨勪綅娆婃槸1銆�

浜岄€插埗涓殑 1011 锛屽乏璧风涓€鍊�1鐨勪綅娆婃槸8锛�0鐨勪綅娆婃槸4锛岀浜屽€�1鐨勪綅娆婃槸2锛岀涓夊€�1鐨勪綅娆婃槸1銆�

PLC涓父鐢ㄧ殑鏁�(sh霉)鍒舵湁锛�鍗侀€插埗銆佷簩閫插埗銆佸崄鍏€插埗銆佸叓閫插埗绛�銆�

姝ゅ閭勬湁BCD纰煎拰ASCII纰间篃鍋剁埦鏈冧娇鐢ㄣ€�

鍗侀€插埗锛圖ecimal notation锛夛細

濡�1234=1*103+2*102+3*101+4*100锛岄€㈠崄閫蹭竴锛屽熀鏁�(sh霉)鐐�10锛屽柈鍊嬫暩(sh霉)鏄�0-9锛屾瘡浣嶇殑绯绘暩(sh霉)涔樹簬鍩烘暩(sh霉)锛�10锛夌殑N娆℃柟锛孨鐐哄叾鎵€铏曠殑浣嶆暩(sh霉)銆� 

浜岄€插埗锛圔inary notation锛夛細

濡�1101=1*23+1*22+0*21+1*20=13锛岄€簩閫蹭竴锛屽熀鏁�(sh霉)鐐�2锛屽柈鍊嬫暩(sh霉)鍙湁0鍜�1, 姣忎綅鐨勭郴鏁�(sh霉)涔樹簬鍩烘暩(sh霉)锛�10锛夌殑N娆℃柟锛孨鐐哄叾鎵€铏曠殑浣嶆暩(sh霉)銆傚緸绗�3浣嶈嚦0鍒嗗垾鐐�8,4,2,1锛屾墍浠ヤ簩閫插埗涔熸垚8421纰�銆傚鏋滆〃绀烘湁绗﹁櫉鏁�(sh霉)锛屽墖鐢ㄦ渶楂樹綅琛ㄧず绗﹁櫉锛�0鐐烘鏁�(sh霉)1鐐鸿矤鏁�(sh霉)銆傛鏁�(sh霉)浠ヤ簩閫插埗鍘熺⒓琛ㄧず锛涜矤鏁�(sh霉)鍓囦互瑁滅⒓瀛樺劜锛屽嵆灏囧師纰奸€愪綅鍙栧弽鍐嶅姞1銆�

鍗佸叚閫插埗锛圚exdecimal notation锛夛細

閫�16閫�1鐨勯€蹭綅鍒�銆備竴鑸敤鏁�(sh霉)瀛�0鍒�9鍜屽瓧姣岮鍒癋锛堟垨a~f锛夎〃绀�锛屽叾涓細A~F琛ㄧず10~15锛岄€欎簺绋变綔鍗佸叚閫插埗鏁�(sh霉)瀛�銆�

鍏€插埗锛圤ctal notation锛夛細

閫㈠叓閫蹭竴锛屽柈鍊嬫暩(sh霉)鏈�0-7锛屽湪PLC涓父鐢ㄤ簬绶ㄥ潃锛屾暩(sh霉)鎿�(j霉)閬嬬畻鎳夌敤杓冨皯銆侭CD纰硷紙Binary-Coded Decimal?锛夛細浜︾ū浜岄€茬⒓鍗侀€叉暩(sh霉)鎴栦簩鍗侀€插埗浠g⒓銆傜敤4浣嶄簩閫插埗鏁�(sh霉)渚嗚〃绀�1浣嶅崄閫插埗鏁�(sh霉)涓殑0~9閫�10鍊嬫暩(sh霉)纰�銆傞€氬父鏅傞悩閲囩敤BCD纰煎瓨鍎层€�

ASCII锛圓merican Standard Code forInformation Interchange锛氱編鍦嬩俊鎭氦鎻涙婧栦唬纰硷級锛�

鏄熀浜庢媺涓佸瓧姣嶇殑涓€濂楅浕鑵︾法纰肩郴绲�(t菕ng)锛屼富瑕佺敤浜庨’绀虹従(xi脿n)浠h嫳瑾炲拰鍏朵粬瑗挎瓙瑾炶█銆傚畠鏄従(xi脿n)浠婃渶閫氱敤鐨勭郴绲�(t菕ng)锛屽苟绛夊悓浜庡湅闅涙婧朓SO/IEC 646銆侾LC涓暩(sh霉)鎿�(j霉)瀛樺劜鍙兘浠�0鍜�1褰㈠紡锛屽叾瀹冩暩(sh霉)鎿�(j霉)鍙€氶亷閫插埗杞夋彌鎴愪簩閫插埗锛屼絾鏄瓧姣嶅拰涓€浜涚壒娈婄铏熺敤浠€涔堣〃绀哄墖闇€瑕佺磩瀹氫竴濂楄綁鎻涜(gu墨)鍓囷紝浜庢槸缇庡湅鏈夐棞鐨勬婧栧寲绲勭箶灏卞嚭鑷轰簡ASCII绶ㄧ⒓銆�

娴粸鏁�(sh霉)锛坒loat锛夛細

鍙堢ū瀵︽暩(sh霉)锛圧EAL锛�锛屾诞榛炴暩(sh霉)鏄爆浜庢湁鐞嗘暩(sh霉)涓煇鐗瑰畾瀛愰泦鐨勬暩(sh霉)鐨勬暩(sh霉)瀛楄〃绀�锛屽湪瑷堢畻姗熶腑鐢ㄤ簬杩戜技琛ㄧず浠绘剰鏌愬€嬪鏁�(sh霉)銆傚叿楂斾締瑾�锛岄€欏€嬪鏁�(sh霉)鐢变竴鍊嬫暣鏁�(sh霉)鎴栧畾榛炴暩(sh霉)锛堝嵆灏炬暩(sh霉)锛変箻浠ユ煇鍊嬪熀鏁�(sh霉)锛堣▓绠楁涓€氬父鏄�2锛夌殑鏁存暩(sh霉)娆″啰寰楀埌锛岄€欑ó琛ㄧず鏂规硶椤炰技浜庡熀鏁�(sh霉)鐐�10鐨勭瀛歌▓鏁�(sh霉)娉�銆�

鍦ㄤ簩閫插埗绉戝琛ㄧず娉曚腑锛歋=M脳2^N

涓昏鐢变笁閮ㄥ垎妲嬫垚锛氱铏熶綅+闅庣⒓锛圢锛�+灏炬暩(sh霉)锛圡锛�銆傚皪浜巉loat鍨嬫暩(sh霉)鎿�(j霉)锛屽叾浜岄€插埗鏈�32浣�锛屽叾涓铏熶綅1浣嶏紝闅庣⒓8浣�锛屽熬鏁�(sh霉)23浣�銆�

绗﹁櫉浣嶏細0琛ㄧず姝�锛�1琛ㄧず璨犮€�

闅庣⒓锛氶€欓噷闅庣⒓閲囩敤绉荤⒓琛ㄧず锛屽皪浜巉loat鍨嬫暩(sh霉)鎿�(j霉)鍏惰(gu墨)瀹氱殑鍋忕疆閲忕偤127锛岄殠纰兼湁姝f湁璨�锛屽皪浜�8浣嶄簩閫插埗锛屽墖鍏惰〃绀鸿寖鍦嶇偤?128锝�127銆傛瘮濡傦紝灏嶄簬float鍨嬫暩(sh霉)鎿�(j霉)锛岃嫢闅庣⒓鐨勭湡瀵﹀€肩偤2锛屽墖鍔犱笂127鍚庣偤129锛屽叾闅庣⒓琛ㄧず褰㈠紡鐐�10000010銆�

灏炬暩(sh霉)锛氭湁鏁堟暩(sh霉)瀛椾綅锛屽嵆閮ㄥ垎浜岄€插埗浣嶏紙灏忔暩(sh霉)榛炲悗闈㈢殑浜岄€插埗浣嶏級锛屽洜鐐鸿(gu墨)瀹歁鐨勬暣鏁�(sh霉)閮ㄥ垎鎭掔偤1锛屾墍浠ラ€欏€�1灏变笉閫茶瀛樺劜浜嗐€�

鑸変緥瑾槑

float鍨嬫暩(sh霉)鎿�(j霉)125.5杞夋彌鐐烘婧栨诞榛炴牸寮�锛�125鐨勪簩閫插埗琛ㄧず褰㈠紡鐐�1111101锛屽皬鏁�(sh霉)閮ㄥ垎琛ㄧず鐐轰簩閫插埗鐐� 1锛堝皬鏁�(sh霉)閮ㄥ垎涔樹互2锛屽皬浜�1鍓囩偤0锛屽ぇ浜�1鍓囩偤1锛屽皬鏁�(sh霉)绻肩簩(x霉)涔樹互2锛岀洿鍒板皬鏁�(sh霉)閮ㄥ垎鐐�0鐐烘锛�锛屽墖125.5浜岄€插埗琛ㄧず鐐�1111101.1锛岀敱浜庤(gu墨)瀹氬熬鏁�(sh霉)鐨勬暣鏁�(sh霉)閮ㄥ垎鎭掔偤1锛屽墖琛ㄧず鐐�1.1111011*2^6锛岄殠纰肩偤6锛屽姞涓�127鐐�133锛屽墖琛ㄧず鐐�10000101锛岃€屽皪浜庡熬鏁�(sh霉)灏囨暣鏁�(sh霉)閮ㄥ垎1鍘绘帀锛岀偤1111011锛屽湪鍏跺悗闈㈣0浣垮叾浣嶆暩(sh霉)閬斿埌23浣�锛屽墖鐐�11110110000000000000000銆傚墖鍏朵簩閫插埗琛ㄧず褰㈠紡鐐猴細0 10000101 11110110000000000000000

閭d箞閫欎簺閫插埗涔嬮枔鏄浣曡綁鎻涘憿锛�

1.鍗侀€插埗杞変簩閫插埗鏂规硶鐐猴細

鍗侀€插埗鏁�(sh霉)闄�2鍙栦綑娉�锛屽嵆鍗侀€插埗鏁�(sh霉)闄�2锛屼綑鏁�(sh霉)鐐烘瑠浣嶄笂鐨勬暩(sh霉)锛屽緱鍒扮殑鍟嗗€肩辜绾�(x霉)闄�2锛屼緷姝ゆ椹熺辜绾�(x霉)鍚戜笅閬嬬畻鐩村埌鍟嗙偤0鐐烘銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

2.浜岄€插埗杞夊崄閫插埗鏂规硶鐐猴細

鎶婁簩閫插埗鏁�(sh霉)鎸夋瑠灞曢枊銆佺浉鍔犲嵆寰楀崄閫插埗鏁�(sh霉)銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

3.浜岄€插埗杞夊叓閫插埗鏂规硶鐐猴細

3浣嶄簩閫插埗鏁�(sh霉)鎸夋瑠灞曢枊鐩稿姞寰楀埌1浣嶅叓閫插埗鏁�(sh霉)銆傦紙娉ㄦ剰浜嬮爡锛�3浣嶄簩閫插埗杞夋垚鍏€插埗鏄緸鍙冲埌宸﹂枊濮嬭綁鎻涳紝涓嶈冻鏅傝0锛�銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

4.鍏€插埗杞夋垚浜岄€插埗鏂规硶鐐猴細

鍏€插埗鏁�(sh霉)閫氶亷闄�2鍙栦綑娉�锛屽緱鍒颁簩閫插埗鏁�(sh霉)锛屽皪姣忓€嬪叓閫插埗鐐�3鍊嬩簩閫插埗锛屼笉瓒虫檪鍦ㄦ渶宸﹂倞瑁滈浂銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

5.浜岄€插埗杞夊崄鍏€插埗鏂规硶鐐猴細

鑸囦簩閫插埗杞夊叓閫插埗鏂规硶杩戜技锛屽叓閫插埗鏄彇涓夊悎涓€锛屽崄鍏€插埗鏄彇鍥涘悎涓€銆傦紙娉ㄦ剰浜嬮爡锛�4浣嶄簩閫插埗杞夋垚鍗佸叚閫插埗鏄緸鍙冲埌宸﹂枊濮嬭綁鎻涳紝涓嶈冻鏅傝0锛�銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

6.鍗佸叚閫插埗杞変簩閫插埗鏂规硶鐐猴細

鍗佸叚閫插埗鏁�(sh霉)閫氶亷闄�2鍙栦綑娉曪紝寰楀埌浜岄€插埗鏁�(sh霉)锛屽皪姣忓€嬪崄鍏€插埗鐐�4鍊嬩簩閫插埗锛屼笉瓒虫檪鍦ㄦ渶宸﹂倞瑁滈浂銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

7.鍗侀€插埗杞夊叓閫插埗鎴栬€呭崄鍏€插埗鏈夊叐绋柟娉曪細

绗竴锛氶枔鎺ユ硶鈥旀妸鍗侀€插埗杞夋垚浜岄€插埗锛岀劧鍚庡啀鐢变簩閫插埗杞夋垚鍏€插埗鎴栬€呭崄鍏€插埗銆傞€欓噷涓嶅啀鍋氬湒鐗囩敤娉曡В閲嬨€�

绗簩锛氱洿鎺ユ硶鈥旀妸鍗侀€插埗杞夊叓閫插埗鎴栬€呭崄鍏€插埗鎸夌収闄�8鎴栬€�16鍙栦綑锛岀洿鍒板晢鐐�0鐐烘銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

8.鍏€插埗鎴栬€呭崄鍏€插埗杞夋垚鍗侀€插埗鏂规硶鐐猴細

鎶婂叓閫插埗銆佸崄鍏€插埗鏁�(sh霉)鎸夋瑠灞曢枊銆佺浉鍔犲嵆寰楀崄閫插埗鏁�(sh霉)銆傦紙鍏烽珨鐢ㄦ硶濡備笅鍦栵級

9.BCD纰艰綁鍗侀€插埗锛�

鍥犵偤BCD纰兼槸鐢ㄥ洓浣嶄簩閫插埗琛ㄧず涓€浣嶅崄閫插埗鏁�(sh霉)锛屾墍浠ヨ綁鎻涙柟娉曢浼间簩閫插埗杞夊崄鍏€插埗鈥滃彇鍥涘悎涓€鈥濇硶锛屽洓浣嶇祫鍚堝悗杞夋垚鍗侀€插埗寰楀埌鐨勫氨鏄崄閫插埗銆備互涓婁粙绱逛簡PLC涓父鐢ㄩ€插埗鍙婄浉浜掕綁鎻涙柟娉曪紝鎰忓湪璁撳垵瀛歌€呯悊瑙i€插埗鍚京鍙婅綁鎻涜(gu墨)寰�銆傜湡姝d娇鐢ㄦ檪鍙埄鐢ㄨ▓绠楁鎻愪緵鐨勭▼搴忓摗鍨嬭▓绠楀櫒杓曟澗閬嬬畻鍑轰締銆�


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