1 鍓嶈█
鍙法绋嬫帶鍒跺櫒锛坧lc锛夋槸闆嗚▓(j矛)绠楁(j墨)鎶€琛�(sh霉)銆佽嚜鍕�(d貌ng)鎺у埗鎶€琛�(sh霉)銆侀€氫俊鎶€琛�(sh霉)鐐轰竴楂旂殑鏂板瀷鑷嫊(d貌ng)鎺у埗瑁濈疆銆傜敱浜庨珨绌嶅皬銆佸彲闈犳€ч珮浠ュ強绲勬厠(t脿i)闈堟椿绛夊劒(y艒u)榛�(di菐n)锛宲lc鍦ㄥ伐妤�(y猫)鎺у埗闋�(l菒ng)鍩熷緱鍒颁簡寤f硾鐨勬噳(y墨ng)鐢�銆傚湪plc绲勬垚鐨勮嚜鍕�(d貌ng)娓�(c猫)閲忓拰鎺у埗绯荤当(t菕ng)涓�锛屼竴鑸噰鐢ㄤ富寰炲紡鎺у埗绲�(ji茅)妲�(g貌u)锛岀敱plc鍚戣▓(j矛)绠楁(j墨)鐧�(f膩)閫佹暩(sh霉)鎿�(j霉),瑷�(j矛)绠楁(j墨)铏曠悊鏁�(sh霉)鎿�(j霉)鍚庢牴鎿�(j霉)鍏烽珨鎯呮硜鍚憄lc鐧�(f膩)鍑虹浉鎳�(y墨ng)鐨勬寚浠�,鎺у埗plc鐨勯亱(y霉n)琛�銆俻lc浣滅偤涓嬩綅姗�(j墨)锛屽畬鎴愭暩(sh霉)鎿�(j霉)閲囬泦銆佺媭鎱�(t脿i)鍒ゅ垾銆佽几鍑烘帶鍒剁瓑浠诲嫏(w霉)锛屼笂浣嶆(j墨)锛堝井鍨嬭▓(j矛)绠楁(j墨)銆佸伐妤�(y猫)鎺у埗姗�(j墨)锛夊畬鎴愰噰闆嗘暩(sh霉)鎿�(j霉)淇℃伅鐨勫瓨鍎�(ch菙)銆佸垎鏋愯檿鐞嗐€佺媭鎱�(t脿i)椤ず浠ュ強鎵撳嵃杓稿嚭绛変换鍕�(w霉)锛屼互瀵�(sh铆)鐝�(xi脿n)灏�(du矛)绯荤当(t菕ng)鐨勫(sh铆)鏅�(sh铆)鐩�(ji膩n)鎺с€傜洰鍓嶅競鍫�(ch菐ng)涓婂父鐢ㄧ殑浜烘(j墨)鐣岄潰鎴栫洠(ji膩n)鎺х祫鎱�(t脿i)杌熶欢鍍�(ji脿)鏍兼槀璨翠笖鐢卞湅(gu贸)澶栧叕鍙稿鏂�, 灏�(du矛)浜庡皬鍨嬩紒妤�(y猫)鐨勫柈姗�(j墨)绯荤当(t菕ng)渚�(l谩i)瑾�(shu艒)锛岃ū澶氬姛鑳藉苟涓嶅(sh铆)鐢紝鍚屾檪(sh铆)绲勬厠(t脿i)杌熶欢鐨勬湰韬篃閭勫瓨鍦ㄤ笉瓒充箣铏�锛屼笉鑳芥豢瓒充竴浜涚壒娈婅姹傘€傚洜姝�锛岀洰鍓嶄粛鐒堕渶瑕佹妧琛�(sh霉)浜哄摗鏍规摎(j霉)瀵�(sh铆)闅涙儏娉侀枊(k膩i)鐧�(f膩)灏忓瀷缍�(j墨ng)婵�(j矛)閬╃敤鐨勮粺浠�銆傜瓎鑰呴嚌灏�(du矛)姣旇純绨�(ji菐n)鍠殑鎺у埗绯荤当(t菕ng)锛屽埄鐢╲c锛嬶紜6.0瑷�(sh猫)瑷�(j矛)浜嗕竴鍊�(g猫)閫氫俊绋嬪簭,瀵�(sh铆)鐝�(xi脿n)浜唚indows鐠�(hu谩n)澧冧笅涓婁綅瑷�(j矛)绠楁(j墨)灏�(du矛)澶氳嚭(t谩i)plc鐨勯潏娲荤洠(ji膩n)鎺�銆�
2 閫氫俊椤炲瀷
鏃ユ湰涓夎彵鍏徃鏄湅(gu贸)闅涜憲鍚嶇殑宸ュ粻鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欏埗閫犲晢锛屽叾宸ユキ(y猫)鍙法绋嬫帶鍒跺櫒鍦ㄥ湅(gu贸)鍏�(n猫i)甯傚牬(ch菐ng)鍗犳湁鐩哥暥(d膩ng)澶х殑浠介銆傛湰闋�(xi脿ng)鐩伕鐢ㄤ笁鑿眆x2n-48mr鍨媝lc锛宖x绯诲垪plc鏀寔浠ヤ笅5绋€氫俊椤炲瀷:
锛�1锛� plc鐨刵:n閫氫俊鏂瑰紡;
锛�2锛� plc闆欐(j墨)骞惰伅(li谩n)閫氫俊鏂瑰紡;
锛�3锛� plc鑸囪▓(j矛)绠楁(j墨)灏堟湁鍗�(xi茅)璀伴€氫俊鏂瑰紡;
锛�4锛� plc鑸囪▓(j矛)绠楁(j墨)鐒�(w煤)鍗�(xi茅)璀伴€氫俊鏂瑰紡锛堜娇鐢╮s鎸囦护鎴杅x2n-232if鐗规畩鍔熻兘濉婏級;
锛�5锛� 鑷敱绔彛瑷�(sh猫)瑷�(j矛)鏂瑰紡锛堥渶瑕佺壒娈婇€氫俊妯″锛屼娇鐢ㄨ純灏戯級銆�
鍚勭ó閫氫俊椤炲瀷鐨勫叿楂旂壒鎬у垪浜庤〃1銆傛湰绯荤当(t菕ng)閲囩敤灏堟湁鍗�(xi茅)璀伴€氫俊鏂瑰紡锛屼互pc姗�(j墨)鐐轰富绔�锛岄€氶亷(gu貌)fx-485pc-if鍙奻x2n-485bd鑸囧鑷�(t谩i)plc寰炵珯閫f帴锛堟渶澶�16鑷�(t谩i)锛夛紝姣忚嚭(t谩i)plc琚肠浜堝敮涓€鐨勭珯铏�(h脿o)鐢ㄤ互妯�(bi膩o)蹇楄韩浠�锛屼笂浣嶆(j墨)閫氶亷(gu貌)rs-485閫氫俊绺界窔灏�(du矛)plc閫�(j矛n)琛屾帶鍒�銆�
3 閫氫俊鍗�(xi茅)璀�
fx2n绯诲垪plc閫氫俊閲囩敤鐣版鏍煎紡锛岃純甯哥敤鐨勬暩(sh霉)鎿�(j霉)骞€鐢�1浣嶈捣濮嬩綅銆�7浣嶆暩(sh霉)鎿�(j霉)浣嶃€�1浣嶅仠姝綅鍙�1浣嶆牎椹�(y脿n)浣嶇祫鎴�锛屾尝鐗圭巼鐐�9600bps銆傚偝杓告暩(sh霉)鎿�(j霉)浠ュ瓧绡€(ji茅)鐐哄柈浣�锛屽垎鐐洪珮4浣嶅拰浣�4浣�锛屾瘡4浣嶈綁(zhu菐n)鍖栫偤1鍊�(g猫)ascii瀛楃鐧�(f膩)閫�銆備互涓婁綅姗�(j墨)寰瀙lc璁€鍙栨暩(sh霉)鎿�(j霉)鐐轰緥銆�
瑷�(j矛)绠楁(j墨)鏂圭櫦(f膩)閫佹暩(sh霉)鎿�(j霉)骞€鏍煎紡濡傝〃2鎵€绀猴細

enq鏄珛(q菒ng)姹傞€氫俊妯�(bi膩o)蹇�;station no.浠h〃plc绔欒櫉(h脿o)锛岃ō(sh猫)瀹氳寖鍦�00h锛�0fh;pc no. 鏄痯lc鐨刢pu浠h櫉(h脿o)锛宖x绯诲垪鐐篺fh;command鏄搷浣滃懡浠ょ⒓锛屽叿楂斿収(n猫i)瀹瑰垪浜庤〃3;message wait time琛ㄧず寰炲懡浠ょ櫦(f膩)鍑哄埌plc鍥炴噳(y墨ng)涔嬮枔鐨勭瓑寰呮檪(sh铆)闁擄紝鍏佽ū鍊煎緸0-150ms锛岃ō(sh猫)瀹氱偤00h-0fh;character area a鐐哄偝閫佸瓧绗︿覆锛屽寘鎷綅鍏冧欢鎴栧瓧鍏冧欢鐨勯鍦板潃鍜屽柈鍏冨瓧绡€(ji茅)鍊�(g猫)鏁�(sh霉); sum check code鏄拰鏍¢(y脿n)纰�锛屽垎鐐洪珮4浣嶅拰浣�4浣�銆�
plc鎳�(y墨ng)绛旀牸寮忓琛�4鎵€绀�銆�
stx鏄箑闁�(k膩i)濮嬪瓧绗�;character area b鐐哄偝閫佹暩(sh霉)鎿�(j霉)锛宖x绯诲垪plc涓€娆℃渶澶氬彲浠ュ偝閫�64姣旂壒鍗�40h鏁�(sh霉)鎿�(j霉);etx鐐哄箑绲�(ji茅)鏉熷瓧绗�;鍏朵綑鍚京鍚屼笂銆�
鏈▼搴忕殑涓昏鍔熻兘鐐�锛屾瘡闅斾竴瀹氭檪(sh铆)闁擄紙鐢辩敤鎴堕€氶亷(gu貌)鐣岄潰瑷�(sh猫)瀹氾級鎸夌珯铏�(h脿o)闋嗗簭鎵归噺璁€鍙杙lc涓綅鍏冧欢y000-y017鐨勭媭鎱�(t脿i)锛屽皣鏁�(sh霉)鎿�(j霉)瀛樻斁鍏ユ暩(sh霉)鎿�(j霉)搴�(k霉)plc琛ㄤ腑銆�
绺藉叡鏈�2鑷�(t谩i)plc锛屽皪(du矛)浜庣珯铏�(h脿o)鐐篿 鐨刾lc锛屽懡浠ゆ牸寮忓琛�5鎵€绀恒€�
4 杌熶欢绶ㄧ▼
杌熶欢瑷�(sh猫)瑷�(j矛)閬哥敤visualc++6.0浣滅偤闁�(k膩i)鐧�(f膩)骞宠嚭(t谩i)锛屽埄鐢ㄥ叾鎻愪緵鐨刴scomm鎺т欢锛屽彲浠ユ柟渚垮湴瀵�(sh铆)鐝�(xi脿n)plc鑸囦笂浣嶆(j墨)鐨勪覆琛岄€氫俊銆傝┎閫氫俊鎺т欢鎻愪緵浜嗕娇鐢╮s232闁�(k膩i)鐧�(f膩)涓茶閫氫俊杌熶欢鐨勭窗(x矛)鍓�锛屼娇鐢ㄤ簨浠堕﹨(q奴)鍕�(d貌ng)鎴栨煡瑭㈡柟寮忎締(l谩i)瑙f焙闁�(k膩i)鐧�(f膩)閫氫俊杌熶欢涓亣鍒扮殑鍟�(w猫n)椤�銆傝┎鎺т欢鏈�27鍊�(g猫)灞€�锛屼富瑕佺殑灞€у琛�6鎵€绀恒€�
棣栧厛灏噈scomm鎺т欢鍔犲叆宸ョ▼锛屽悓鏅�(sh铆)瀹夎1鍊�(g猫)绯荤当(t菕ng)瀹氭檪(sh铆)鍣�銆傞€氫俊鎺т欢m_mycom鐢ㄤ簬瑷晱(w猫n)涓插彛銆佺櫦(f膩)閫佸拰鎺ユ敹鏁�(sh霉)鎿�(j霉);绯荤当(t菕ng)瀹氭檪(sh铆)鍣ㄧ敤浜庢帶鍒舵瘡闅斾竴瀹氭檪(sh铆)闁撻枔鐢变笂浣嶆(j墨)鍚憄lc鐧�(f膩)閫佸懡浠�銆傞€氫俊绋嬪簭閮ㄥ垎浠g⒓濡備笅:


// 棣栧厛鍒濆鍖栭€氫俊绔彛
bool cplccommdlg::oninitdialog锛堬級
锝涒€︹€�
m_mycom.setcommport锛�1锛�; file://閬告搰com1
m_mycom.setinbuffersize锛�1024锛�; file://瑷�(sh猫)缃几鍏ョ珐娌栧崁(q奴)鐨勫ぇ灏�
m_mycom.setoutbuffersize锛�512锛�; file://瑷�(sh猫)缃几鍑虹珐娌栧崁(q奴)鐨勫ぇ灏�
m_mycom.setinputmode锛�1锛�;//瑷�(sh猫)缃暩(sh霉)鎿�(j霉)鐛插彇鏂瑰紡
m_mycom.setsettings锛�"9600,e,7,1"锛�;//瑷�(sh猫)缃€氫俊鍙冩暩(sh霉)
m_mycom.setinputlen锛�0锛�; file://瑷�(sh猫)缃畝鍙栨柟寮�
if锛�!m_mycom.getportopen锛堬級 锛�;
m_mycom.setportopen 锛坱rue锛�; file://鎵撻枊(k膩i)涓插彛
stationno=0x30;
if锛坰ettimer锛�1,m_usertime,null锛�==0锛�
afxmessagebox锛�"error setting,please check it!"锛�
锝�
file://娑堟伅铏曠悊鍑芥暩(sh霉)ontimer
void cplccommdlg::ontimer锛坲int nidevent锛�
锝�
byte receivedata[1024];
byte senddata[]=锝涳絸0x05锝€,锝€0锝€,锝€i锝€,锝€f锝€,锝€f锝€,锝€w锝€,锝€r锝€,锝€a锝€,锝€y锝€,锝€0锝€,锝€0锝€,锝€0锝€,锝€0锝€,
锝€0锝€,锝€1锝€,锝€sumh锝€,锝€suml锝€锝�;
if锛坰tationno<0x31锛�
stationno++;
else
stationno=0x30;
senddata[3]= stationno;
sumcheck锛坰enddata,17锛�
cbytearray array;
array.removeall锛堬級;
array.setsize锛�17锛�;
for锛坕nt k=0;k<17;k++锛�
锝�
array.setat锛坘,senddata[k]锛�;
锝�
m_mycom.setoutput锛坈olevariant锛坅rray锛夛級;//鐧�(f膩)閫佸懡浠�
鈥︹€�//鏁�(sh霉)鎿�(j霉)鎺ユ敹铏曠悊鍙婂姞鍏ユ暩(sh霉)鎿�(j霉)搴�(k霉)鎿嶄綔
锝�
file://鍜屾牎椹�(y脿n)鍑芥暩(sh霉)sumcheck
void cplccommdlg::sumcheck锛坆yte temp[],int n锛�
锝�
int i;
byte sum=0x00,sumh=0xf0,suml=0x0f;
for锛坕=1;i<=n-3;i++锛�
sum+=temp[i];
suml= suml鈭�
sumh= sumh鈭�
sumh= sumh>>4;
temp[n-1]= suml;
temp[n-2]= sumh;
锝�
5 绲�(ji茅)璜�
涓茶閫氫俊鏄洰鍓嶈▓(j矛)绠楁(j墨)鑸囧叾浠栬ō(sh猫)鍌欎箣闁撻噸瑕佺殑閫氫俊鎵嬫涔嬩竴锛屾湰绋嬪簭浣滅偤灏忓瀷鐩�(ji膩n)鎺х郴绲�(t菕ng)鐨勯噸瑕佺祫鎴愰儴鍒�锛屽(sh铆)鐝�(xi脿n)浜嗕笂浣嶆(j墨)灏�(du矛)澶氳嚭(t谩i)plc鐨勫(sh铆)鏅�(sh铆)鐩�(ji膩n)鎺�锛屽偝閫佹暩(sh霉)鎿�(j霉)婧�(zh菙n)纰猴紝绋嬪簭閬�(y霉n)琛岀┅(w臎n)瀹�銆傛暣鍊�(g猫)鎺у埗绯荤当(t菕ng)鏂逛究鍙潬锛屽悓鏅�(sh铆)鍙堢瘈(ji茅)鐪佷簡澶х瓎鎶曡硣锛屽叿鏈夌浉鐣�(d膩ng)澶х殑瀵�(sh铆)鐢ㄦ€�銆�