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涓€銆佷粈涔堟槸RS-485鎺ュ彛锛熷畠姣擱S-232-C鎺ュ彛鐩告瘮鏈変綍鐗圭偣

绛旓細鐢变簬RS-232-C鎺ュ彛鏍囧噯鍑虹幇杈冩棭锛岄毦鍏嶆湁涓嶈冻涔嬪锛屼富瑕佹湁浠ヤ笅鍥涚偣锛欬/span>

1. 鎺ュ彛鐨勪俊鍙风數骞冲€艰緝楂橈紝鏄撴崯鍧忔帴鍙ｇ數璺殑鑺墖锛屽張鍥犱负涓嶵TL鐢靛钩涓嶅吋瀹规晠闇€浣跨敤鐢靛钩杞崲鐢佃矾鏂硅兘涓嶵TL鐢佃矾杩炴帴銆侟/span>

2. 浼犺緭閫熺巼杈冧綆锛屽湪寮傛浼犺緭鏃讹紝娉㈢壒鐜囦负20Kbps銆侟/span>

3. 鎺ュ彛浣跨敤涓€鏍逛俊鍙风嚎鍜屼竴鏍逛俊鍙疯繑鍥炵嚎鑰屾瀯鎴愬叡鍦扮殑浼犺緭褰㈠紡锛岃繖绉嶅叡鍦颁紶杈撳鏄撲骇鐢熷叡妯″共鎵帮紝鎵€浠ユ姉鍣０骞叉壈鎬у急銆侟/span>

4. 浼犺緭璺濈鏈夐檺锛屾渶澶т紶杈撹窛绂绘爣鍑嗗€间负50鑻卞昂锛屽疄闄呬笂涔熷彧鑳界敤鍦?0绫冲乏鍙炽€侟/span>

閽堝RS-232-C鐨勪笉瓒筹紝浜庢槸灏变笉鏂嚭鐜颁簡涓€浜涙柊鐨勬帴鍙ｆ爣鍑嗭紝RS-485灏辨槸鍏朵腑涔嬩竴锛屽畠鍏锋湁浠ヤ笅鐗圭偣锛欬/span>

1. RS-485鐨勭數姘旂壒鎬э細閫昏緫"1"浠ヤ袱绾块棿鐨勭數鍘嬪樊涓?锛?-6锛塚琛ㄧず锛涢€昏緫"0"浠ヤ袱绾块棿鐨勭數鍘嬪樊涓?锛?-6锛塚琛ㄧず銆傛帴鍙ｄ俊鍙风數骞虫瘮RS-232-C闄嶄綆浜嗭紝灏变笉鏄撴崯鍧忔帴鍙ｇ數璺殑鑺墖锛屼笖璇ョ數骞充笌TTL鐢靛钩鍏煎锛屽彲鏂逛究涓嶵TL鐢佃矾杩炴帴銆侟/span>

2. RS-485鐨勬暟鎹渶楂樹紶杈撻€熺巼涓?0Mbps

3. RS-485鎺ュ彛鏄噰鐢ㄥ钩琛￠┍鍔ㄥ櫒鍜屽樊鍒嗘帴鏀跺櫒鐨勭粍鍚堬紝鎶楀叡妯″共鑳藉姏澧炲己锛屽嵆鎶楀櫔澹板共鎵版€уソ銆侟/span>

4. RS-485鎺ュ彛鐨勬渶澶т紶杈撹窛绂绘爣鍑嗗€间负4000鑻卞昂锛屽疄闄呬笂鍙揪3000绫筹紝鍙﹀RS-232-C鎺ュ彛鍦ㄦ€荤嚎涓婂彧鍏佽杩炴帴1涓敹鍙戝櫒锛屽嵆鍗曠珯鑳藉姏銆傝€孯S-485鎺ュ彛鍦ㄦ€荤嚎涓婃槸鍏佽杩炴帴澶氳揪128涓敹鍙戝櫒銆傚嵆鍏锋湁澶氱珯鑳藉姏,杩欐牱鐢ㄦ埛鍙互鍒╃敤鍗曚竴鐨凴S-485鎺ュ彛鏂逛究鍦板缓绔嬭捣璁惧缃戠粶銆侟/span>

5. 鍥燫S-485鎺ュ彛鍏锋湁鑹ソ鐨勬姉鍣０骞叉壈鎬э紝闀跨殑浼犺緭璺濈鍜屽绔欒兘鍔涚瓑涓婅堪浼樼偣灏变娇鍏舵垚涓洪閫夌殑涓茶鎺ュ彛銆傚洜涓篟S485鎺ュ彛缁勬垚鐨勫崐鍙屽伐缃戠粶锛屼竴鑸彧闇€浜屾牴杩炵嚎锛屾墍浠S485鎺ュ彛鍧囬噰鐢ㄥ睆钄藉弻缁炵嚎浼犺緭銆俁S485鎺ュ彛杩炴帴鍣ㄩ噰鐢―B-9鐨?鑺彃澶村骇锛屼笌鏅鸿兘缁堢RS485鎺ュ彛閲囩敤DB-9锛堝瓟锛夛紝涓庨敭鐩樿繛鎺ョ殑閿洏鎺ュ彛RS485閲囩敤DB-9锛堥拡锛夈€侟/span>

浜屻€丷S-422涓嶳S-485涓茶鎺ュ彛鏍囧噯

1锛庡钩琛′紶杈掽/span>

RS-422銆丷S-485涓嶳S-232涓嶄竴鏍凤紝鏁版嵁淇″彿閲囩敤宸垎浼犺緭鏂瑰紡锛屼篃绉颁綔骞宠　浼犺緭锛屽畠浣跨敤涓€瀵瑰弻缁炵嚎锛屽皢鍏朵腑涓€绾垮畾涔変负A锛屽彟涓€绾垮畾涔変负B

閫氬父鎯呭喌涓嬶紝鍙戦€侀┍鍔ㄥ櫒A銆丅涔嬮棿鐨勬鐢靛钩鍦?2锝?6V锛屾槸涓€涓€昏緫鐘舵€侊紝璐熺數骞冲湪-2锝?V锛屾槸鍙︿竴涓€昏緫鐘舵€併€傚彟鏈変竴涓俊鍙峰湴C锛屽湪RS-485涓繕鏈変竴"浣胯兘"绔紝鑰屽湪RS-422涓繖鏄彲鐢ㄥ彲涓嶇敤鐨勩€?浣胯兘"绔槸鐢ㄤ簬鎺у埗鍙戦€侀┍鍔ㄥ櫒涓庝紶杈撶嚎鐨勫垏鏂笌杩炴帴銆傚綋"浣胯兘"绔捣浣滅敤鏃讹紝鍙戦€侀┍鍔ㄥ櫒澶勪簬楂橀樆鐘舵€侊紝绉颁綔"绗笁鎬?锛屽嵆瀹冩槸鏈夊埆浜庨€昏緫"1"涓?0"鐨勭涓夋€併€侟/span>

鎺ユ敹鍣ㄤ篃浣滀笌鍙戦€佺鐩稿鐨勮瀹氾紝鏀躲€佸彂绔€氳繃骞宠　鍙岀粸绾垮皢AA涓嶣B瀵瑰簲鐩歌繛锛屽綋鍦ㄦ敹绔疉B涔嬮棿鏈夊ぇ浜?200mV鐨勭數骞虫椂锛岃緭鍑烘閫昏緫鐢靛钩锛屽皬浜?200mV鏃讹紝杈撳嚭璐熼€昏緫鐢靛钩銆傛帴鏀跺櫒鎺ユ敹骞宠　绾夸笂鐨勭數骞宠寖鍥撮€氬父鍦?00mV鑷?V涔嬮棿銆侟/span>

2锛嶳S-422鐢垫皵瑙勫畾

RS-422鏍囧噯鍏ㄧО鏄?骞宠　鐢靛帇鏁板瓧鎺ュ彛鐢佃矾鐨勭數姘旂壒鎬?锛屽畠瀹氫箟浜嗘帴鍙ｇ數璺殑鐗规€с€傜敱浜庢帴鏀跺櫒閲囩敤楂樿緭鍏ラ樆鎶楀拰鍙戦€侀┍鍔ㄥ櫒姣擱S232鏇村己鐨勯┍鍔ㄨ兘鍔涳紝鏁呭厑璁稿湪鐩稿悓浼犺緭绾夸笂杩炴帴澶氫釜鎺ユ敹鑺傜偣锛屾渶澶氬彲鎺?0涓妭鐐广€傚嵆涓€涓富璁惧锛圡aster锛夛紝鍏朵綑涓轰粠璁惧锛圫alve锛夛紝浠庤澶囦箣闂翠笉鑳介€氫俊锛屾墍浠S-422鏀寔鐐瑰澶氱殑鍙屽悜閫氫俊銆傛帴鏀跺櫒杈撳叆闃绘姉涓?k锛屾晠鍙戠鏈€澶ц礋杞借兘鍔涙槸10×4k+100Ω锛堢粓鎺ョ數闃伙級銆俁S-422鍥涚嚎鎺ュ彛鐢变簬閲囩敤鍗曠嫭鐨勫彂閫佸拰鎺ユ敹閫氶亾锛屽洜姝や笉蹇呮帶鍒舵暟鎹柟鍚戯紝鍚勮缃箣闂翠换浣曞繀椤荤殑淇″彿浜ゆ崲鍧囧彲浠ユ寜杞欢鏂瑰紡锛圶ON/XOFF鎻℃墜锛夋垨纭欢鏂瑰紡锛堜竴瀵瑰崟鐙殑鍙岀粸绾匡級瀹炵幇銆侟/span>

RS-422鐨勬渶澶т紶杈撹窛绂讳负4000鑻卞昂锛堢害1219绫筹級锛屾渶澶т紶杈撻€熺巼涓?0Mb/s銆傚叾骞宠　鍙岀粸绾跨殑闀垮害涓庝紶杈撻€熺巼鎴愬弽姣旓紝鍦?00kb/s閫熺巼浠ヤ笅锛屾墠鍙兘杈惧埌鏈€澶т紶杈撹窛绂汇€傚彧鏈夊湪寰堢煭鐨勮窛绂讳笅鎵嶈兘鑾峰緱鏈€楂橀€熺巼浼犺緭銆備竴鑸?00绫抽暱鐨勫弻缁炵嚎涓婃墍鑳借幏寰楃殑鏈€澶т紶杈撻€熺巼浠呬负1Mb/s銆侟/span>

RS-422闇€瑕佷竴缁堟帴鐢甸樆锛岃姹傚叾闃诲€肩害绛変簬浼犺緭鐢电紗鐨勭壒鎬ч樆鎶椼€傚湪鐭╄窛绂讳紶杈撴椂鍙笉闇€缁堟帴鐢甸樆锛屽嵆涓€鑸湪300绫充互涓嬩笉闇€缁堟帴鐢甸樆銆傜粓鎺ョ數闃绘帴鍦ㄤ紶杈撶數缂嗙殑鏈€杩滅銆侟/span>

3锛嶳S-485鐢垫皵瑙勫畾

鐢变簬RS-485鏄粠RS-422鍩虹涓婂彂灞曡€屾潵鐨勶紝鎵€浠S-485璁稿鐢垫皵瑙勫畾涓嶳S-422鐩镐豢銆傚閮介噰鐢ㄥ钩琛′紶杈撴柟寮忋€侀兘闇€瑕佸湪浼犺緭绾夸笂鎺ョ粓鎺ョ數闃荤瓑銆俁S-485鍙互閲囩敤浜岀嚎涓庡洓绾挎柟寮忥紝浜岀嚎鍒跺彲瀹炵幇鐪熸鐨勫鐐瑰弻鍚戦€氫俊

鑰岄噰鐢ㄥ洓绾胯繛鎺ユ椂锛屼笌RS-422涓€鏍峰彧鑳藉疄鐜扮偣瀵瑰鐨勯€氫俊锛屽嵆鍙兘鏈変竴涓富锛圡aster锛夎澶囷紝鍏朵綑涓轰粠璁惧锛屼絾瀹冩瘮RS-422鏈夋敼杩涳紝鏃犺鍥涚嚎杩樻槸浜岀嚎杩炴帴鏂瑰紡鎬荤嚎涓婂彲澶氭帴鍒?2涓澶囥€侟/span>

RS-485涓嶳S-422鐨勪笉鍚岃繕鍦ㄤ簬鍏跺叡妯¤緭鍑虹數鍘嬫槸涓嶅悓鐨勶紝RS-485鏄?7V鑷?12V涔嬮棿锛岃€孯S-422鍦?7V鑷?7V涔嬮棿锛孯S-485鎺ユ敹鍣ㄦ渶灏忚緭鍏ラ樆鎶椾负12k鍓戦车S-422鏄?k鍋ワ紱鏃у场姊㈣繍绀-485婊¤冻鎵€鏈塕S-422鐨勮鑼冿紝鎵€浠S-485鐨勯┍鍔ㄥ櫒鍙互鐢ㄥ湪RS-422缃戠粶涓簲鐢ㄣ€侟/span>

RS-485涓嶳S-422涓€鏍凤紝鍏舵渶澶т紶杈撹窛绂荤害涓?219绫筹紝鏈€澶т紶杈撻€熺巼涓?0Mb/s銆侟/span>骞宠　鍙岀粸绾跨殑闀垮害涓庝紶杈撻€熺巼鎴愬弽姣旓紝鍦?00kb/s閫熺巼浠ヤ笅锛屾墠鍙兘浣跨敤瑙勫畾鏈€闀跨殑鐢电紗闀垮害銆傚彧鏈夊湪寰堢煭鐨勮窛绂讳笅鎵嶈兘鑾峰緱鏈€楂橀€熺巼浼犺緭銆備竴鑸?00绫抽暱鍙岀粸绾挎渶澶т紶杈撻€熺巼浠呬负1Mb/s銆侟/span>

RS-485闇€瑕?涓粓鎺ョ數闃伙紝鍏堕樆鍊艰姹傜瓑浜庝紶杈撶數缂嗙殑鐗规€ч樆鎶椼€傚湪鐭╄窛绂讳紶杈撴椂鍙笉闇€缁堟帴鐢甸樆锛屽嵆涓€鑸湪300绫充互涓嬩笉闇€缁堟帴鐢甸樆銆傜粓鎺ョ數闃绘帴鍦ㄤ紶杈撴€荤嚎鐨勪袱绔€侟/span>

涓夈€丷S-422涓嶳S-485鐨勭綉缁滃畨瑁呮敞鎰忚鐐更/span>

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缃戠粶鎷撴墤涓€鑸噰鐢ㄧ粓绔尮閰嶇殑鎬荤嚎鍨嬬粨鏋勶紝涓嶆敮鎸佺幆褰㈡垨鏄熷舰缃戠粶銆侟/span>

鍦ㄦ瀯寤虹綉缁滄椂锛屽簲娉ㄦ剰濡備笅鍑犵偣锛欬/span>

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2锛庡簲娉ㄦ剰鎬荤嚎鐗规€ч樆鎶楃殑杩炵画鎬э紝鍦ㄩ樆鎶椾笉杩炵画鐐瑰氨浼氬彂鐢熶俊鍙风殑鍙嶅皠銆備笅鍒楀嚑绉嶆儏鍐垫槗浜х敓杩欑涓嶈繛缁€э細鎬荤嚎鐨勪笉鍚屽尯娈甸噰鐢ㄤ簡涓嶅悓鐢电紗锛屾垨鏌愪竴娈垫€荤嚎涓婃湁杩囧鏀跺彂鍣ㄧ揣闈犲湪涓€璧峰畨瑁咃紝鍐嶈€呮槸杩囬暱鐨勫垎鏀嚎寮曞嚭鍒版€荤嚎銆侟/span>

鎬讳箣锛屽簲璇ユ彁渚涗竴鏉″崟涓€銆佽繛缁殑淇″彿閫氶亾浣滀负鎬荤嚎銆侟br />

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