鎶€琛�(sh霉)闋婚亾

濞撳〒宸ユキ(y猫)
鎮ㄧ従(xi脿n)鍦ㄧ殑浣嶇疆锛� 涓湅鍌冲嫊缍�(w菐ng) > 鎶€琛�(sh霉)闋婚亾 > 鎶€琛�(sh霉)鐧剧 > 鍩轰簬RS-485绺界窔鐨勫皬鍨嬮泦鏁g郴绲�(t菕ng)瑷�(sh猫)瑷�

鍩轰簬RS-485绺界窔鐨勫皬鍨嬮泦鏁g郴绲�(t菕ng)瑷�(sh猫)瑷�

鏅傞枔锛�2008-09-10 10:31:00渚嗘簮锛歠enghy

灏�(d菐o)瑾烇細?鏁村€嬬郴绲�(t菕ng)鍖呮嫭涓€鑷篜C鎴栬€匢PC浣滅偤鎿嶄綔绔欑敤浜庣祫鎱�(t脿i)銆佸鏅傜洠(ji膩n)鎺э紝澶氬€婦CS鍩烘湰鎺у埗鍣紙鏈€澶�32鍊嬶級璨�(f霉)璨�(z茅)鐝�(xi脿n)鍫存帶鍒�锛屾搷浣滅珯鍜屽熀鏈帶鍒跺櫒涔嬮枔閫氳▕閲囩敤RS-485绺界窔妯�(bi膩o)婧�(zh菙n)
1.鍓嶈█ 闆嗘暎鎺у埗绯荤当(t菕ng)鏄竴绋児鏍兼槀璨寸殑鑷嫊鍖栨帶鍒惰缃紝鍦嬪収(n猫i)澶栭泦鏁g郴绲�(t菕ng)鍒堕€犲叕鍙�锛屽湪鐢熺敘(ch菐n)澶у瀷闆嗘暎绯荤当(t菕ng)鐨勫悓鏅�锛岄兘鎺ㄥ嚭浜嗗悓绯诲垪鐨勫皬鍨嬮泦鏁g郴绲�(t菕ng)锛屽嵆浣块€欐ǎ锛屽叾鍍规牸灏嶅湅鍏�(n猫i)灏忎紒妤�(y猫)鑰岃█浠嶇劧鍋忛珮銆傛垜鍊戝緸鎴戝湅涓皬浼佹キ(y猫)鐨勫闅涙儏娉佸嚭鐧�(f膩)锛屼互鍊嬩汉瑷堢畻姗�(j墨)鍋氭搷浣滅珯锛岄€氶亷RS-485绺界窔鑸囧鑷篋CS鍩烘湰鎺у埗鍣ㄧ祫鎴愪簡涓€绋啊鏄撻泦鏁g郴绲�(t菕ng)锛岀稉(j墨ng)婵�(j矛)瀵︾敤銆� 銆€銆€ 2.绯荤当(t菕ng)鐨勭祫鎴愬強鍏舵鍦� 鏁村€嬬郴绲�(t菕ng)鍖呮嫭涓€鑷篜C鎴栬€匢PC浣滅偤鎿嶄綔绔欑敤浜庣祫鎱�(t脿i)銆佸鏅傜洠(ji膩n)鎺э紝澶氬€婦CS鍩烘湰鎺у埗鍣紙鏈€澶�32鍊嬶級璨�(f霉)璨�(z茅)鐝�(xi脿n)鍫存帶鍒�锛屾搷浣滅珯鍜屽熀鏈帶鍒跺櫒涔嬮枔閫氳▕閲囩敤RS-485绺界窔妯�(bi膩o)婧�(zh菙n)銆傜郴绲�(t菕ng)绲�(ji茅)妲�(g貌u)濡傚湒1 鎵€绀�銆傛搷浣滅珯鍙伕鐢ㄥ付鏈塕S锛�485涓茶閫氫俊鎺ュ彛宸ユ帶姗�(j墨)锛屾垨鑰呴伕鐢ㄤ竴鑸琍C姗�(j墨)锛屼絾瑕佸湪RS-232鎺ュ彛涓婂鍔犱竴鍊婻S-232/RS-485鎺ュ彛杞�(zhu菐n)鎻涘櫒銆傛垜鍊戦噰鐢ˋtronix鐨凙DC-106鎺ュ彛杞�(zhu菐n)鎻涘櫒鍙皣RS-232C涓茶鍙g殑鏁�(sh霉)鎿�(j霉)鐧�(f膩)閫侊紙TD锛夊拰鏁�(sh霉)鎿�(j霉)鎺ユ敹锛圧D锛変俊铏熻綁(zhu菐n)鎻涙垚鍏╃窔骞宠 鐨勫崐闆欏伐RS-485淇¤櫉銆傛瘡鍊嬫帶鍒跺櫒涔熼厤鏈夌浉鎳�(y墨ng)鐨凴S锛�485鎺ュ彛锛屾垜鍊戦噰鐢∕AXIM鐨凪AX485鏀剁櫦(f膩)鍣�銆� 銆€銆€
鍦�1. 绯荤当(t菕ng)绲�(ji茅)妲�(g貌u)鍦�
3锛庣郴绲�(t菕ng)閫氫俊 3锛�1 閫氫俊缍�(w菐ng)绲�(lu貌)鐨勭‖浠舵(g貌u)鎴� 3锛�1锛�1 RS-485绨′粙鍙婄郴绲�(t菕ng)閫f帴鍦� 鏁村€嬬郴绲�(t菕ng)閲囩敤鐨凴S-485绺界窔妯�(bi膩o)婧�(zh菙n)閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)鍌宠几銆俁S鈥�485绺界窔閫熷害蹇紙鏈€澶�10MB/S锛�,鍌抽€佽窛闆㈤仩(yu菐n)锛�90KB/S涓嬪彲鍌�1200绫筹級, 浠ュ樊鍒嗗钩琛℃柟寮忓偝杓镐俊铏�锛屽叿鏈夊緢寮�(qi谩ng)鐨勬姉鍏辨ā骞叉摼鐨勮兘鍔涳紝鍏佽ū涓€灏嶉洐绲炵窔涓婁竴鍊嬬櫦(f膩)閫佸櫒椹�(q奴)鍕曞鍊嬭矤(f霉)杓夎ō(sh猫)鍌�銆傚洜姝ゅ伐妤�(y猫)鐝�(xi脿n)鍫存帶鍒剁郴绲�(t菕ng)涓竴鑸噰鐢ㄨ┎绺界窔妯�(bi膩o)婧�(zh菙n)閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)鍌宠几銆傞€氫俊缍�(w菐ng)绲�(lu貌)鍚勭瘈(ji茅)榛炲潎甯舵湁RS锛�485涓茶閫氫俊鎺ュ彛銆傚湪绺界窔鏈鎺ヤ竴鍊嬪尮閰嶉浕闃伙紝鍚告敹绺界窔涓婄殑鍙嶅皠淇¤櫉锛屼繚璀夋甯稿偝杓镐俊铏熷共鍑堛€佺劇姣涘埡銆傚尮閰嶉浕闃荤殑鍙栧€兼噳(y墨ng)瑭茶垏绺界窔鐨勭壒鎬ч樆鎶楃浉鐣�(d膩ng)锛�120姝愶級銆傛暣鍊嬮€氫俊绯荤当(t菕ng)鍏烽珨閫f帴濡傚湒2銆� 銆€銆€
鍦�2 閫氫俊缍�(w菐ng)绲�(lu貌)閫f帴鍦�
3锛�1锛�2 ADC-106鎺ュ彛杞�(zhu菐n)鎻涘櫒浠嬬垂 銆€銆€瑭茶綁(zhu菐n)鎻涘櫒鍙洿鎺ユ彃鍏ユ(bi膩o)婧�(zh菙n)鐨凞B9閲漅S-232C涓插彛锛屽苟寰炲叾涓殑TXD銆丏TR銆丷TS淇¤櫉渚涢浕銆佸苟涓斾緵闆讳俊铏熼浕骞虫噳(y墨ng)澶т簬+5V銆丷S-485鎺ュ彛绔€氶亷鑷埗DB9瀛旈€f帴鍣ㄩ€f帴銆� 3锛�1锛�3 MAX485鏀剁櫦(f膩)鍣ㄤ粙绱� 鍩烘湰鎺у埗鍣ㄧ殑缍�(w菐ng)绲�(lu貌)鎺ュ彛鍧囬噰鐢ㄤ簡MAXIM鍏徃鐨勫崐闆欏伐485绺界窔鏀剁櫦(f膩)鍣∕AX485銆傚叾鎺у埗鍗佸垎绨″柈锛孯E鐐烘帴鍙楁帶鍒剁锛孌E鐐虹櫦(f膩)閫佹帶鍒剁銆傜敤80C196KC鐨勪竴鍊嬭几鍑哄彛P1.0鑸囧叐鍊嬫帶鍒剁鐩搁€o紝骞虫檪缃甈1.0鐐轰綆锛屼娇鎺у埗鍣ㄤ覆鍙h檿浜庡伒鑱界媭鎱�(t脿i)锛岀暥(d膩ng)瑕佺櫦(f膩)閫佹暩(sh霉)鎿�(j霉)鏅備娇P1.0鐐洪珮銆傛敹鐧�(f膩)鍣ㄧ殑缍�(w菐ng)绲�(lu貌)閫f帴锛屽鍦�3銆� 銆€銆€
鍦�3 MAX485閫f帴绀烘剰鍦�
3锛�2 缍�(w菐ng)绲�(lu貌)閫氫俊鍗�(xi茅)璀� PC鑸囧悇涓嬩綅姗�(j墨)瀵﹁鍤�(y谩n)鏍肩殑寤f挱寮忕殑涓诲緸閫氫俊鏂瑰紡銆傚緸姗�(j墨)涓嶄富鍕曠櫦(f膩)閫佸懡浠ゆ垨鏁�(sh霉)鎿�(j霉)锛屼竴鍒囬兘鐢变富姗�(j墨)鎺у埗銆傚緸姗�(j墨)涔嬮枔閫氫俊涓嶈兘鐩存帴閫�(j矛n)琛�锛岃€屽繀闋堢敱涓绘(j墨)涓綁(zhu菐n)銆傛暩(sh霉)鎿�(j霉)閫氫俊娉㈢壒鐜囩偤9600b/s銆傛瘡鍊嬫帶鍒跺櫒閮芥湁鍞竴鐨勫湴鍧€铏燂紝姝ゅ湴鍧€铏熷敮涓€鍗€(q奴)鍒ュ悇鎺у埗鍣�銆傚箑鏍煎紡鐐�8浣嶆暩(sh霉)鎿�(j霉)浣嶏紝鐒″鍋舵牎椹椾綅锛�1浣嶅仠姝綅銆� 鏁�(sh霉)鎿�(j霉)鏍煎紡閲囩敤鏁�(sh霉)鎿�(j霉)鍖呯殑褰㈠紡锛屾暩(sh霉)鎿�(j霉)鍖呮牸寮忓涓嬶細 銆€銆€
PC锛堟垨IPC锛夐€氶亷RS锛�485缍�(w菐ng)绲�(lu貌)寤f挱鑷繁鎵€瑕佹眰鐨勪笅浣嶆(j墨)鍦板潃锛屾墍鏈変笅浣嶆(j墨)閮芥敹鑱藉唬鎾紝瑷樹笅寤f挱鍦板潃銆傚悇涓嬩綅姗�(j墨)鎶婃敹鍒扮殑鍦板潃鑸囪嚜宸辩殑鍦板潃閫�(j矛n)琛屾瘮杓冿紝鍦板潃鐩稿悓鐨勪笅浣嶆(j墨)鐐鸿閬镐腑鐨勪笅浣嶆(j墨)锛屽叾浣欎笅浣嶆(j墨)鐨嗙偤鏈伕涓殑涓嬩綅姗�(j墨)锛屾毇鏅傚緸缍�(w菐ng)绲�(lu貌)涓婇殧闆€€傜恫(w菐ng)绲�(lu貌)涓婂彧鍓╀笅涓绘(j墨)鑸囬伕涓殑涓嬩綅姗�(j墨)锛屾寜涓诲緸寮忛洐姗�(j墨)鐨勯€氫俊閬庣▼閫�(j矛n)琛岄€氫俊銆備笅浣嶆(j墨)閫氫俊娴佺▼濡備笅锛� 銆€銆€
鍦�4 涓嬩綅姗�(j墨)閫氫俊娴佺▼鍦�
4 鍩烘湰鎺у埗鍣ㄧ殑瑷�(sh猫)瑷堝強鍔熻兘 鍩烘湰鎺у埗鍣ㄦ槸鎺у埗鐨勮粺纭欢鏍稿績锛屽畠瑷�(sh猫)瑷堢殑濂藉灏囩洿鎺ュ奖闊跨郴绲�(t菕ng)鐨勫彲鐢ㄦ€�銆佸鏅傛€у拰鍙潬鎬�銆傜偤婊胯冻瀵︽檪鎬ч珮锛屾暩(sh霉)鎿�(j霉)铏曠悊閲忓ぇ鐨勮姹�銆傞伕鐢╥ntel鍏徃鐨�16浣嶅柈鐗囨(j墨)80C196KC浣滅偤鎺у埗鍣ㄧ殑CPU銆傛暣鍊嬫帶鍒跺櫒閲囩敤闆機PU绲�(ji茅)妲�(g貌u)锛屼竴鍊婥PU涓荤鏁�(sh霉)鎿�(j霉)閲囬泦銆佸鏅傛帶鍒�锛屼竴鍊婥PU涓荤鏁�(sh霉)鎿�(j霉)閫氫俊锛屽畠鍊戜箣闁撴暩(sh霉)鎿�(j霉)浜ゆ彌閫氶亷闆欑鍙AM锛圛DT7132锛�銆傛暣鍊嬫帶鍒跺櫒鍏锋湁8璺ā鎿噺杓稿叆閫氶亾锛�6璺ā鎿噺杓稿嚭閫氶亾锛堝叾涓叐璺偤PWM杓稿嚭锛夛紝16璺枊闂�(gu膩n)閲忚几鍏�锛�16璺枊闂�(gu膩n)閲忚几鍑�锛�2鍊嬭剤娌栭噺杓稿叆銆傚叾绲�(ji茅)妲�(g貌u)濡傚湒5鎵€绀猴細 涓绘帶CPU涓荤鏁�(sh霉)鎿�(j霉)閲囬泦浠ュ強淇¤櫉鐨勮檿鐞�锛屾帴鍙椾笂浣嶆(j墨)鐧�(f膩)渚嗙殑绲勬厠(t脿i)绋嬪簭閫�(j矛n)琛岀従(xi脿n)鍫寸殑鎺у埗銆� 鐢变簬閲囩敤浜嗘暣鍊嬬祫鎱�(t脿i)绋嬪簭瀹屽叏鐢变笂浣嶆(j墨)涓嬪偝鑷虫帶鍒跺櫒鐨凴AM涓煼(zh铆)琛岀殑鏂瑰紡锛屼娇寰楁帶鍒堕潪甯搁潏娲�锛屼富鎺PU闄や簡鑳介€�(j矛n)琛屽熀鏈殑鎺у埗涔嬪锛岄倓鑳介€�(j矛n)琛屽厛閫�(j矛n)鐨勬帶鍒剁畻娉�銆傚彟澶栭倓鍏锋湁鍦ㄧ窔瑾�(di脿o)鏁存帶鍒跺弮鏁�(sh霉)鍔熻兘銆佸绋牨璀﹀姛鑳姐€� 閫氳▕CPU鐨勫姛鑳戒富瑕佹湁锛� 1.瀹屾垚涓插苟琛屾暩(sh霉)纰肩殑浜掓彌銆� 2.鐢ㄤ覆琛岄€氳▕鏂瑰紡鐧�(f膩)閫佹湰鍦颁俊鎭�锛岃瓨鍒ユ湰鍦板湴鍧€骞舵帴鍙楅€氳▕鏁�(sh霉)鎿�(j霉)銆� 3.灏嶇櫦(f膩)閫佹暩(sh霉)鎿�(j霉)鍔犱笂妾㈤娈碉紝骞舵鏌ユ帴鏀舵暩(sh霉)鎿�(j霉)鐨勬椹楁銆� 4.鍒╃敤鍦板潃璀⒓ROM鎶婇珮閫熸暩(sh霉)鎿�(j霉)閫氶亾鐨勭洰鐨勫湴鍧€鍜屽瓨鍎插櫒鐩殑鍦板潃缈昏鎴愬皪鎳�(y墨ng)鐨勫収(n猫i)閮ㄥ瓨鍎插櫒鍦板潃銆� 5.閫氶亷鍚戜富CPU鐧�(f膩)鍑轰腑鏂�锛屽畬鎴愭暩(sh霉)鎿�(j霉)鐨勫収(n猫i)閮ㄥ偝閫�锛屽苟鐢�(ch菐n)鐢熻畝瀵剤娌�锛屽湴鍧€鍜屽悇鏁�(sh霉)鎿�(j霉)浣�銆� 6.鏁�(sh霉)鎿�(j霉)閫氶亾闆诲钩鍜屽収(n猫i)閮═TL闆诲钩鐨勫尮閰嶃€� 銆€銆€
鍦�5 鎺у埗鍣ㄧ祼(ji茅)妲�(g貌u)妗嗗湒
5 绲�(ji茅)璜� 閫氶亷浠ヤ笂鐨勮◣璜�锛屽彲浠ョ湅鍑烘暣鍊嬬郴绲�(t菕ng)鏈夊涓嬬壒榛烇細 1锛夋(g貌u)寤虹郴绲�(t菕ng)鎴愭湰浣庡粔锛岄€f帴鏂逛究銆� 2锛夐噰鐢ㄩ洐INTEL 80C196KC寰帶鍣ㄥ崝(xi茅)鍚岃檿鐞嗘帶鍒朵换鍕�(w霉)锛屽姛鑳芥洿寮�(qi谩ng)锛岄€熷害鏇村揩銆� 3锛夊埄鐢�80C196KC绲�(t菕ng)涓€绶ㄥ潃鏂瑰紡鏂逛究瀵︾従(xi脿n)绲勬厠(t脿i)绋嬪簭涓嬭級锛屼娇鎺у埗鏇撮潏娲�锛屾洿鍙潬銆� 4锛夊叿鏈夌崹绔嬩簬CPU鐨刉DT闆昏矾鈥擬AX705锛岀洠(ji膩n)瑕朇PU鐨勭▼搴忛亱琛屾儏娉�锛屽悓鏅傞倓鑳借檿鐞嗘帶鍒跺櫒鐨勯浕婧愭尝鍕�銆� 銆€銆€ 鍙冭€冩枃鐛�(xi脿n) [1] 璎濆妽鑻�. 寰瀷瑷堢畻姗�(j墨)鎺у埗鎶€琛�(sh霉). 鍖椾含锛氬湅闃插伐妤�(y猫)鍑虹増绀�锛� 1990. [2] 鐜嬪父鍔�銆佺緟瀹�. 闆嗘暎鍨嬫帶鍒剁郴绲�(t菕ng)閬稿瀷鑸囨噳(y墨ng)鐢�. 鍖椾含锛氭竻鑿ぇ瀛�(xu茅)鍑虹増绀�锛�1992. [3] 瀛兜鑺�. Intel 16浣嶅柈鐗囨(j墨). 鍖椾含鑸┖鑸ぉ澶у(xu茅)鍑虹増绀�锛�1998. [4] 閮瑎鐧�(f膩)銆佺帇鍔集.RS-485缍�(w菐ng)绲�(lu貌)鐨勮ō(sh猫)瑷堝強鍏跺湪宸ユキ(y猫)鐩�(ji膩n)鎺х郴绲�(t菕ng)涓殑鎳�(y墨ng)鐢�. 绂忓窞澶у(xu茅)瀛�(xu茅)鍫�锛孨o.1 Vol.27 1999. [5] RS-422 and RS-485 Application Note. B&B ELECTRONICS MANUFACTURING COMPANY, 1997.

妯�(bi膩o)绨斤細

榛炶磰

鍒嗕韩鍒帮細

涓婁竴绡囷細鍩轰簬ARM 鑸嘙CX314As 鐨勫祵鍏ュ紡...

涓嬩竴绡囷細寰兘WIN-V63鐭㈤噺鎺у埗璁婇牷鍣ㄥ湪...

涓湅鍌冲嫊缍�(w菐ng)鐗堟瑠(qu谩n)鑸囧厤璨�(z茅)鑱叉槑锛氬嚒鏈恫(w菐ng)娉ㄦ槑[渚嗘簮锛氫腑鍦嬪偝鍕曠恫(w菐ng)]鐨勬墍鏈夋枃瀛椼€佸湒鐗�銆侀煶瑕栧拰瑕栭牷鏂囦欢锛岀増娆�(qu谩n)鍧囩偤涓湅鍌冲嫊缍�(w菐ng)(www.wangxinlc.cn)鐛ㄥ鎵€鏈夈€傚闇€杞�(zhu菐n)杓夎珛鑸�0755-82949061鑱�(li谩n)绯�銆備换浣曞獟楂斻€佺恫(w菐ng)绔欐垨鍊嬩汉杞�(zhu菐n)杓変娇鐢ㄦ檪闋堟敞鏄庝締婧愨€滀腑鍦嬪偝鍕曠恫(w菐ng)鈥�锛岄仌鍙嶈€呮湰缍�(w菐ng)灏囪拷绌跺叾娉曞緥璨�(z茅)浠�銆�

鏈恫(w菐ng)杞�(zhu菐n)杓夊苟娉ㄦ槑鍏朵粬渚嗘簮鐨勭ǹ浠讹紝鍧囦締鑷簰鑱�(li谩n)缍�(w菐ng)鎴栨キ(y猫)鍏�(n猫i)鎶曠ǹ浜哄+锛岀増娆�(qu谩n)灞簬鍘熺増娆�(qu谩n)浜�銆傝綁(zhu菐n)杓夎珛淇濈暀绋夸欢渚嗘簮鍙婁綔鑰咃紝绂佹鎿呰嚜绡℃敼锛岄仌鑰呰嚜璨�(f霉)鐗堟瑠(qu谩n)娉曞緥璨�(z茅)浠�銆�

鐩搁棞(gu膩n)璩囪▕

缍�(w菐ng)绔欑啊浠�|鏈冨摗鏈嶅嫏(w霉)|鑱�(li谩n)绯绘柟寮�|骞姪淇℃伅|鐗堟瑠(qu谩n)淇℃伅|缍�(w菐ng)绔欏湴鍦�|鍙嬫儏閺堟帴|娉曞緥鏀寔|鎰忚鍙嶉|sitemap

鍌冲嫊缍�(w菐ng)-宸ユキ(y猫)鑷嫊鍖栬垏鏅鸿兘鍒堕€犵殑鍏ㄥ獟楂斺€滀簰鑱�(li谩n)缍�(w菐ng)+鈥濆壍(chu脿ng)鏂版湇鍕�(w霉)骞宠嚭

缍�(w菐ng)绔欏鏈�鏈嶅嫏(w霉)鍜ㄨ閲囪臣鍜ㄨ濯掗珨鍚堜綔

Chuandong.com Copyright ?2005 - 2025 锛孉ll Rights Reserved 娣卞湷甯傚ェ缇庡ぇ鍞愬唬鍛婃湁闄愬叕鍙� 鐗堟瑠(qu谩n)鎵€鏈�
绮礗CP鍌� 14004826铏� | 鐕熸キ(y猫)鍩�(zh铆)鐓ц瓑鏇� | 涓嶈壇淇℃伅鑸夊牨涓績 | 绮靛叕缍�(w菐ng)瀹夊倷 44030402000946铏�