鍒濆鍖栨ā鍧楋細
鎵鏈夌殑妯″潡錛屽鏋滀嬌鐢?/span> RS-485緗戠粶錛屽繀欏誨垎閰嶄竴涓嫭涓鏃犱簩鐨勫湴鍧浠ｇ爜錛屽湴鍧浠ｇ爜鍙栧間負16榪涘埗鏁板湪00鍜?/span>FF涔嬮棿銆備絾鏄紝鎵鏈夊叏鏂扮殑妯″潡閮戒嬌鐢ㄤ竴涓伐鍘傜殑鍒濆璁劇疆錛屽涓嬫墍紺猴細
鍦板潃浠ｇ爜涓?/span>01
娉㈢壒鐜?/span>9600 bps
紱佹鏍￠獙鍜?/span>
鐢變簬鏂版ā鍧楃殑鍦板潃浠ｇ爜閮芥槸涓鏍風殑錛屼粬浠殑鍦板潃灝嗕細鍜屽叾浠栨ā鍧楃煕鐩撅紝鎵浠ュ綋浣犵粍寤虹郴緇熸椂錛屼綘蹇呴』閲嶆柊閰嶇疆姣忎竴涓ā鍧楀湴鍧銆傚彲浠ュ湪鎺ュソ妯″潡鐢墊簮綰垮拰RS485閫氳綰垮悗錛岄氳繃閰嶇疆鍛戒護鏉ヤ慨鏀規ā鍧楃殑鍦板潃銆傛嘗鐗圭巼錛屾牎楠屽拰鐘舵侊紝閫氳鍗忚涔熼渶瑕佹牴鎹敤鎴風殑瑕佹眰鑰岃皟鏁淬傝屽湪淇敼娉㈢壒鐜囷紝鏍￠獙鍜岀姸鎬侊紝閫氳鍗忚涔嬪墠錛屽繀欏昏妯″潡鍏堣繘鍏ョ己鐪佺姸鎬侊紝鍚﹀垯鏃犳硶淇敼銆?/span>
璁╂ā鍧楄繘鍏ョ己鐪佺姸鎬佺殑鏂規硶錛?/span>
妯″潡閮芥湁涓涓壒孌婄殑鏍囦負INIT鐨勭鑴氥傚皢INIT綆¤剼鐭礬鎺ュ埌鍦扮嚎(GND綆¤剼)鍚庯紝鍐嶆帴閫氱數婧愶紝姝ゆ椂妯″潡榪涘叆緙虹渷鐘舵併傚湪榪欎釜鐘舵佹椂錛屾ā鍧楃殑閰嶇疆濡備笅錛?/span>
鍦板潃浠ｇ爜涓?/span>00
娉㈢壒鐜?/span>9600 bps
紱佹鏍￠獙鍜?/span>
榪欐椂錛屽彲浠ラ氳繃閰嶇疆鍛戒護鏉ヤ慨鏀規ā鍧楃殑娉㈢壒鐜囷紝鏍￠獙鍜岀姸鎬佺瓑鍙傛暟錛岄氳繃璁劇疆妯″潡鐨勯氳鍗忚鍛戒護鏉ラ夋嫨閫氳鍗忚銆傚湪涓嶇‘瀹氭煇涓ā鍧楃殑鍏蜂綋閰嶇疆鏃訛紝涔熷彲浠ラ氳繃瀹夎閰嶇疆璺崇嚎錛屼嬌妯″潡榪涘叆緙虹渷鐘舵侊紝鍐嶅妯″潡榪涜閲嶆柊閰嶇疆銆傚鏋滅敤鎴烽渶瑕佸皢妯″潡璁劇疆涓?/span>MODBUS RTU閫氳鍗忚錛岃鐪?/span>MODBUS閫氳鍗忚绔犺妭鐨勬湁鍏寵鏄庛?/span>
瀛楃鍗忚鍛戒護闆嗭細
鍛戒護鐢變竴緋誨垪瀛楃緇勬垚錛屽棣栫爜銆佸湴鍧ID錛屽彉閲忋佸彲閫夋牎楠屽拰瀛楄妭鍜屼竴涓敤浠ユ樉紺哄懡浠ょ粨鏉熺(cr)銆備富鏈洪櫎浜嗗甫閫氶厤絎﹀湴鍧鈥?*鈥?/span>鐨勫悓姝ョ殑鍛戒護涔嬪錛屼竴嬈″彧鎸囨尌涓涓ā鍧椼?/span>
鍛戒護鏍煎紡錛?/span>(Leading Code)(Addr)(Command)[data][checksum](cr)
(Leading code) 棣栫爜鏄懡浠や腑鐨勭涓涓瓧姣嶃傛墍鏈夊懡浠ら兘闇瑕佷竴涓懡浠ら鐮侊紝濡?/span>%,$,#,@,...絳夈?/span> 1- 瀛楃
(Addr) 妯″潡鐨勫湴鍧浠ｇ爜, 濡傛灉涓嬮潰娌℃湁鎸囧畾錛屽彇鍊艱寖鍥翠粠 00锝?/span>FF (鍗佸叚榪涘埗)銆?/span> 2- 瀛楃
(Command) 鏄劇ず鐨勬槸鍛戒護浠ｇ爜鎴栧彉閲忓箋?/span> 鍙橀噺闀垮害
[data] 涓浜涜緭鍑哄懡浠ら渶瑕佺殑鏁版嵁銆?/span> 鍙橀噺闀垮害
[checksum] 鎷彿涓殑Checksum錛堟牎楠屽拰錛夋樉紺虹殑鏄彲閫夊弬鏁幫紝鍙湁鍦ㄥ惎鐢ㄦ牎楠屽拰鏃訛紝鎵嶉渶瑕佹閫夐」銆?/span> 2- 瀛楃
(cr) 璇嗗埆鐢ㄧ殑涓涓帶鍒朵唬鐮佺錛?/span>(cr)浣滀負鍥炶濺緇撴潫絎︼紝瀹冪殑鍊間負0x0D銆?/span> 1- 瀛楃
褰撳惎鐢ㄦ牎楠屽拰(checksum)鏃訛紝灝遍渶瑕?/span>[Checksum]銆傚畠鍗?/span>2-瀛楃銆傚懡浠ゅ拰搴旂瓟閮藉繀欏婚檮鍔犳牎楠屽拰鐗規с傛牎楠屽拰鐢ㄦ潵媯鏌ユ墍鏈夎緭鍏ュ懡浠わ紝鏉ュ府鍔╀綘鍙戠幇涓繪満鍒版ā鍧楀懡浠ら敊璇拰妯″潡鍒頒富鏈哄搷搴旂殑閿欒銆?/span>鏍￠獙鍜?/span>瀛楃鏀劇疆鍦ㄥ懡浠ゆ垨鍝嶅簲瀛楃涔嬪悗錛屽洖杞︾涔嬪墠銆?/span>
璁＄畻鏂規硶錛氫袱涓瓧絎︼紝鍗佸叚榪涘埗鏁幫紝涓轟箣鍓嶆墍鍙戞墍鏈夊瓧絎︾殑ASCII鐮佹暟鍊間箣鍜岋紝鐒跺悗涓庡崄鍏繘鍒舵暟0xFF鐩鎬笌鎵寰椼?/span>
搴旂敤涓句緥錛?/span>紱佹鏍￠獙鍜?/span>(checksum)
鐢ㄦ埛鍛戒護 $002(cr)
妯″潡搴旂瓟 !00020600 (cr)
鍚敤鏍￠獙鍜?/span>(checksum)
鐢ㄦ埛鍛戒護 $002B6 (cr)
妯″潡搴旂瓟 !00020600 A9 (cr)
鈥?鈥?= 0x24 鈥?鈥? 0x30 鈥?鈥? 0x32
B6=(0x24+0x30+0x30+0x32) AND 0xFF
鈥?b>!鈥?= 0x21 鈥?鈥? 0x30 鈥?鈥? 0x32 鈥?鈥? 0x36
A9=(0x21+0x30+0x30+0x30+0x32+0x30+0x36+0x30+0x30) AND 0xFF
鍛戒護鐨勫簲絳?/span> 錛?/span>
搴旂瓟淇℃伅鍙栧喅浜庡悇縐嶅悇鏍風殑鍛戒護銆傚簲絳斾篃鐢卞嚑涓瓧絎︾粍鎴愶紝鍖呮嫭棣栦唬鐮侊紝鍙橀噺鍜岀粨鏉熸爣璇嗙銆傚簲絳斾俊鍙風殑棣栦唬鐮佹湁涓ょ錛?/span> 鈥?b>!鈥?/span>鎴?/span> 鈥?b>>鈥?/span>琛ㄧず鏈夋晥鐨勫懡浠よ?/span>鈥?b>?鈥?鍒欎唬琛ㄦ棤鏁堛傞氳繃媯鏌ュ簲絳斾俊鎭紝鍙互鐩戞祴鍛戒護鏄惁鏈夋晥
娉ㄦ剰錛?/span>1銆佸湪涓浜涙儏鍐典笅錛岃澶氬懡浠ょ敤鐩稿悓鐨勫懡浠ゆ牸寮忋傝紜繚浣犵敤鐨勫湴鍧鍦ㄤ竴涓懡浠や腑鏄紜殑錛屽亣濡備綘鐢ㄩ敊璇殑鍦板潃錛岃岃繖涓湴鍧浠ｈ〃鐫鍙︿竴涓ā鍧楋紝閭ｄ箞鍛戒護浼氬湪鍙︿竴涓ā鍧楃敓鏁堬紝鍥犳浜х敓閿欒銆?/span>
2銆佸繀欏葷敤澶у啓瀛楁瘝杈撳叆鍛戒護銆?/span>
1銆佽嫻嬮噺鏁版嵁鍛戒護
璇?/span> 鏄庯細浠ュ綋鍓嶉厤緗殑鏁版嵁鏍煎紡錛屼粠妯″潡涓鍥炴ā鎷熻緭鍏ョ鐨勬祴閲忔暟鎹?/span>
鍛戒護鏍煎紡錛?/span>#AA(cr)
鍙傛暟璇存槑錛?/span># 鍒嗙晫絎︺?/span>鍗佸叚榪涘埗涓?/span>23H
AA 妯″潡鍦板潃錛屽彇鍊艱寖鍥?/span> 00锝?/span>FF(鍗佸叚榪涘埗)銆傚嚭鍘傚湴鍧涓?/span>01錛岃漿鎹㈡垚鍗佸叚榪涘埗涓?/span>姣忎釜瀛楃鐨?/span>ASCII鐮併傚鍦板潃01鎹㈡垚鍗佸叚榪涘埗涓?/span>30H鍜?/span>31H銆?/span>
(cr) 緇撴潫絎︼紝涓婁綅鏈哄洖杞﹂敭錛?/span>鍗佸叚榪涘埗涓?/span>0DH銆?/span>
搴旂瓟鏍煎紡錛?/span>>(data)(cr) 鍛戒護鏈夋晥銆?/span>
?AA(cr) 鍛戒護鏃犳晥鎴栭潪娉曟搷浣溿?/span>
鍙傛暟璇存槑錛?/span>> 鍒嗙晫絎︺?/span>鍗佸叚榪涘埗涓?/span>3EH
(data) 浠ｈ〃璇誨洖鐨勬暟鎹傛暟鎹牸寮忓彲浠ユ槸宸ョ▼鍗曚綅錛?/span>FSR鐨勭櫨鍒嗘瘮錛?/span>16榪涘埗琛ョ爜銆傝緇嗚鏄庤鍛戒護闆嗙2鏉°?/span>鍗佸叚榪涘埗涓?/span>姣忎釜瀛楃鐨?/span>ASCII鐮併?/span>
(cr) 緇撴潫絎︼紝涓婁綅鏈哄洖杞﹂敭錛?/span>鍗佸叚榪涘埗涓?/span>0DH銆?/span>
鍏朵粬璇存槑錛氬亣濡傛牸寮忛敊璇垨閫氳閿欒鎴栧湴鍧涓嶅瓨鍦紝妯″潡涓嶅搷搴斻傚鏋滀綘浣跨敤鐨勪覆鍙ｉ氳杞歡杈撳叆涓嶄簡鍥炶濺閿瓧絎︼紝璇峰垏鎹㈠埌鍗佸叚榪涘埗鏍煎紡榪涜閫氳銆?/span>
搴旂敤涓句緥錛?/span> 鐢ㄦ埛鍛戒護錛堝瓧絎︽牸寮忥級 #01(cr)
錛?/span>鍗佸叚榪涘埗鏍煎紡錛?/span> 2330310D
妯″潡搴旂瓟錛堝瓧絎︽牸寮忥級 >+16.000 (cr)
錛?/span>鍗佸叚榪涘埗鏍煎紡錛?/span> 3E2B31362E3030300D
璇?/span> 鏄庯細鍦ㄥ湴鍧01H妯″潡涓婅緭鍏ユ槸錛堟暟鎹牸寮忔槸宸ョ▼鍗曚綅錛夛細+16.000mA
2銆侀厤緗ā鍧楀懡浠?/span>
璇?/span> 鏄庯細瀵逛竴涓ā鍧楄緗湴鍧錛岃緭鍏ヨ寖鍥達紝娉㈢壒鐜囷紝鏁版嵁鏍煎紡錛屾牎楠屽拰鐘舵併傞厤緗俊鎭偍瀛樺湪闈炴槗澶辨у瓨鍌ㄥ櫒EEPROM閲屻?/span>
鍛戒護鏍煎紡錛?/span>%AANNTTCCFF(cr)
鍙傛暟璇存槑錛?/span>% 鍒嗙晫絎︺?/span>
AA 妯″潡鍦板潃錛屽彇鍊艱寖鍥?/span> 00锝?/span>FF(鍗佸叚榪涘埗)銆?/span>
NN 浠ｈ〃鏂扮殑妯″潡16榪涘埗鍦板潃錛屾暟鍊?/span>NN鐨勮寖鍥翠粠00鍒?/span>FF銆?/span>
TT 鐢?/span>16榪涘埗浠ｈ〃綾誨瀷緙栫爜銆?/span> 浜у搧蹇呴』璁劇疆涓?/span>00銆?/span>
CC 鐢?/span>16榪涘埗浠ｈ〃娉㈢壒鐜囩紪鐮併?/span>
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娉㈢壒鐜囦唬鐮?/span>
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娉㈢壒鐜?/span>
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04
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2400 baud
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05
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4800 baud
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06
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9600 baud
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07
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19200 baud
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08
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38400 baud
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琛?/span>2 娉㈢壒鐜囦唬鐮?/span>
FF 鐢?/span>16榪涘埗鐨?/span>8浣嶄唬琛ㄦ暟鎹牸寮忥紝鏍￠獙鍜屻傛敞鎰忎粠bits2 鍒?/span>bits5涓嶇敤蹇呴』璁劇疆涓洪浂銆?/span>
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Bit7
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Bit 6
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Bit 5
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Bit 4
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Bit 3
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Bit2
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Bit 1
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Bit 0
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琛?/span>3 鏁版嵁鏍煎紡錛屾牎楠屽拰浠ｇ爜
Bit7錛?/span>淇濈暀浣嶏紝蹇呴』璁劇疆涓洪浂
Bit6錛?/span>鏍￠獙鍜岀姸鎬侊紝涓?/span>0錛氱姝紱 涓?/span>1錛氬厑璁?/span>
Bit5-bit2錛?/span>涓嶇敤錛屽繀欏昏緗負闆躲?/span>
Bit1-bit0錛?/span>鏁版嵁鏍煎紡浣嶃?/span> 00錛氬伐紼嬪崟浣?/span>(Engineering Units)
01錛氭弧鍒誨害鐨勭櫨鍒嗘瘮(% of FSR)
10錛?/span>16榪涘埗鐨勮ˉ鐮?/span>(Twos complement)
(cr) 緇撴潫絎︼紝涓婁綅鏈哄洖杞﹂敭錛屽崄鍏繘鍒朵負0DH銆?/span>
搴旂瓟鏍煎紡錛?/span>!AA(cr) 鍛戒護鏈夋晥銆?/span>
?AA(cr) 鍛戒護鏃犳晥鎴栭潪娉曟搷浣滐紝鎴栧湪鏀瑰彉娉㈢壒鐜囨垨鏍￠獙鍜屽墠錛屾病鏈夊畨瑁呴厤緗煩綰褲?/span>
鍙傛暟璇存槑錛?/span>! 鍒嗙晫絎︼紝琛ㄧず鍛戒護鏈夋晥銆?/span>
? 鍒嗙晫絎︼紝琛ㄧず鍛戒護鏃犳晥銆?/span>
AA 浠ｈ〃杈撳叆妯″潡鍦板潃
(cr) 緇撴潫絎︼紝涓婁綅鏈哄洖杞﹂敭錛屽崄鍏繘鍒朵負0DH銆?/span>
鍏朵粬璇存槑錛氬亣濡備綘絎竴嬈￠厤緗ā鍧楋紝AA=00銆?/span> NN絳変簬鏂扮殑鍦板潃銆傚亣濡傞噸鏂伴厤緗ā鍧楁敼鍙樺湴鍧銆佽緭鍏ヨ寖鍥淬佹暟鎹牸寮忥紝AA絳変簬褰撳墠宸查厤緗殑鍦板潃錛?/span>NN絳変簬褰撳墠鐨勬垨鏂扮殑鍦板潃銆傚亣濡傝閲嶆柊閰嶇疆妯″潡鏀瑰彉娉㈢壒鐜囨垨鏍￠獙鍜岀姸鎬侊紝鍒欏繀欏誨畨瑁呴厤緗煩綰匡紝浣挎ā鍧楄繘鍏ョ己鐪佺姸鎬侊紝姝ゆ椂妯″潡鍦板潃涓?/span>00H錛屽嵆 AA=00H錛?/span>NN絳変簬褰撳墠鐨勬垨鏂扮殑鍦板潃銆?/span>
鍋囧鏍煎紡閿欒鎴栭氳閿欒鎴栧湴鍧涓嶅瓨鍦紝妯″潡涓嶅搷搴斻?/span>
搴旂敤涓句緥錛?/span> 鐢ㄦ埛鍛戒護 %0011000600(cr)
妯″潡搴旂瓟 !11(cr)
璇?/span> 鏄庯細% 鍒嗙晫絎︺?/span>
00 琛ㄧず浣犳兂閰嶇疆鐨勬ā鍧楀師濮嬪湴鍧涓?/span>00H銆?/span>
11 琛ㄧず鏂扮殑妯″潡16榪涘埗鍦板潃涓?/span>11H銆?/span>
00 綾誨瀷浠ｇ爜錛屼駭鍝佸繀欏昏緗負00銆?/span>
06 琛ㄧず娉㈢壒鐜?/span>9600 baud銆?/span>
00 琛ㄧず鏁版嵁鏍煎紡涓哄伐紼嬪崟浣嶏紝紱佹鏍￠獙鍜屻?/span>
3銆佽閰嶇疆鐘舵佸懡浠?/span>
璇?/span> 鏄庯細 瀵規寚瀹氫竴涓ā鍧楄閰嶇疆銆?/span>
鍛戒護鏍煎紡錛?/span>$AA2(cr)
鍙傛暟璇存槑錛?/span>$ 鍒嗙晫絎︺?/span>
AA 妯″潡鍦板潃錛屽彇鍊艱寖鍥?/span> 00锝?/span>FF(鍗佸叚榪涘埗)銆?/span>
2 琛ㄧず璇婚厤緗姸鎬佸懡浠?/span>
(cr) 緇撴潫絎︼紝涓婁綅鏈哄洖杞﹂敭錛屽崄鍏繘鍒朵負0DH銆?/span>
搴旂瓟鏍煎紡錛?/span>!AATTCCFF(cr) 鍛戒護鏈夋晥銆?/span>
?AA(cr) 鍛戒護鏃犳晥鎴栭潪娉曟搷浣溿?/span>
鍙傛暟璇存槑錛?/span>! 鍒嗙晫絎︺?/span>
AA 浠ｈ〃杈撳叆妯″潡鍦板潃銆?/span>
TT 浠ｈ〃綾誨瀷緙栫爜銆?/span>
CC 浠ｈ〃娉㈢壒鐜囩紪鐮併傝琛?/span>2
FF 瑙佽〃3
(cr) 緇撴潫絎︼紝涓婁綅鏈哄洖杞﹂敭錛屽崄鍏繘鍒朵負0DH銆?/span>
鍏朵粬璇存槑錛氬亣濡傛牸寮忛敊璇垨閫氳閿欒鎴栧湴鍧涓嶅瓨鍦紝妯″潡涓嶅搷搴斻?/span>
搴旂敤涓句緥錛?/span> 鐢ㄦ埛鍛戒護 $302(cr)
妯″潡搴旂瓟 !300F0600(cr)
璇?/span> 鏄庯細! 鍒嗙晫絎︺?/span>
30 琛ㄧず妯″潡鍦板潃涓?/span>30H 銆?/span>
00 琛ㄧず杈撳叆綾誨瀷浠ｇ爜銆?/span>
06 琛ㄧず娉㈢壒鐜?/span>9600 baud銆?/span>
00 琛ㄧず鏁版嵁鏍煎紡涓哄伐紼嬪崟浣嶏紝紱佹鏍￠獙鍜屻?/span>