鎽� 瑕�: 鐐鸿В姹虹従(xi脿n)鏈夌洠(ji膩n)鎺х郴绲�(t菕ng)绲�(ji茅)妲�(g貌u)寰�(f霉)闆滐紝鎴愭湰楂樹互鍙婄董璀蜂笉渚跨瓑缂洪粸锛屾湰鏂囩爺鍒堕枊鐧�(f膩)浜嗗熀浜嶱ROFIBUS鐝�(xi脿n)鍫寸附绶氱殑閫氱敤鍨嬬洠(ji膩n)鎺х郴绲�(t菕ng)銆傛湰鐩�(ji膩n)鎺у剙琛ㄥ寘鎷洠(ji膩n)鎺у剙琛ㄥ強涓€鑷虹洠(ji膩n)鎺т富姗�, 瑷�(sh猫)瑷堜簡32璺彲鎺ュ绋鍨嬪偝鎰熷櫒鐨勬ā鎿噺杓稿叆閫氶亾锛屽苟閲囩敤PROFIBUS鐝�(xi脿n)鍫寸附绶�,鍙互鍜屽叾瀹冨粻瀹剁敓鐢�(ch菐n)鐨勭鍚圥ROFIBUS鐝�(xi脿n)鍫寸附绶歍N915 鍗�(xi茅)璀扮殑鍎€琛ㄩ厤鍚堜娇鐢�,绗﹀悎鐣跺墠鍦嬮殯涓婃帶鍒剁郴绲�(t菕ng)鐧�(f膩)灞曠殑瓒ㄥ嫝銆� 闂�(gu膩n)閸靛瓧: 鐩�(ji膩n)鎺х郴绲�(t菕ng); 杓稿叆閫氶亾; 鐝�(xi脿n)鍫寸附绶�; 鍌虫劅鍣� 1 寮曡█ 銆€銆€鐩墠寤ｆ硾鎳�(y墨ng)鐢ㄧ殑鐩�(ji膩n)鎺х郴绲�(t菕ng)鏄垎甯冨紡鎺у埗绯荤当(t菕ng)锛圖CS锛夋垨閲囩敤鏅鸿兘鍖栧偝鎰熷櫒銆備絾鏄疍CS鏈夌祼(ji茅)妲�(g貌u)寰�(f霉)闆�,榛炴暩(sh霉)澧炲姞鏅傛垚鏈浉灏嶈純楂�,涓嶄究浜庣董璀风瓑缂洪粸銆傝€屽湪鍒嗗竷浣嶇疆鐩稿皪闆嗕腑鐨勫鍊嬭鐩�(ji膩n)鎺ч粸涓婂潎閲囩敤鏅鸿兘鍌虫劅鍣ㄤ篃鏈冨鍔犵郴绲�(t菕ng)涓嶅繀瑕佺殑鎴愭湰銆傜偤姝�,鏈枃鐮斿埗闁嬬櫦(f膩)浜嗗熀浜嶱ROFIBUS鐝�(xi脿n)鍫寸附绶氱殑閫氱敤鍨嬬洠(ji膩n)鎺х郴绲�(t菕ng),瀹冨寘鎷洠(ji膩n)鎺у剙琛紙涓嬩綅姗燂級鍙婁竴鑷虹洠(ji膩n)鎺т富姗燂紙涓婁綅姗燂級銆傞嚌灏嶄腑銆佸皬鑼冨湇鐨勭洠(ji膩n)鎺т腑,鍦ㄥ皬鑼冨湇鍏�(n猫i)鎵€鐢ㄥ偝鎰熷櫒绋杓冨,涓斿張鏈夊榛為枊闂�(gu膩n)閲忚几鍏�銆佽几鍑虹瓑鐗归粸,鍦ㄧ洠(ji膩n)鎺у剙琛ㄤ腑瑷�(sh猫)瑷堜簡32璺彲鎺ュ绋鍨嬪偝鎰熷櫒鐨勬ā鎿噺杓稿叆閫氶亾銆�8璺暩(sh霉)瀛楄几鍏ワ紙DI锛夐€氶亾銆�8璺暩(sh霉)瀛楄几鍑猴紙DO锛夐€氶亾銆�4璺枆鐠�(hu谩n)妯℃摤杓稿嚭锛圓O锛夐€氶亾銆傛墍浠�,鏈枃鐮斿埗闁嬬櫦(f膩)鐨勭洠(ji膩n)鎺х郴绲�(t菕ng)鏄竴绋皬鑰屽叏鐨勯€氱敤鍨嬬洠(ji膩n)鎺х郴绲�(t菕ng)銆� 2 绺介珨瑷�(sh猫)瑷堝師鍓囪垏绯荤当(t菕ng)绲勬垚 [align=center] 鍦�1绯荤当(t菕ng)绲勬垚妗嗗湒[/align] 銆€銆€鏈枃闁嬬櫦(f膩)鐨勭洠(ji膩n)鎺х郴绲�(t菕ng)鎳�(y墨ng)鍏锋湁鍙潬鎬ч珮銆佹槗浜庣董璀枫€佺祼(ji茅)妲�(g貌u)绨″柈銆佹搷浣滈潏娲汇€佹槗浜庢摯灞曠瓑鐗归粸銆傚洜姝�,鏈郴绲�(t菕ng)鐨勭附楂旇ō(sh猫)瑷堝師鍓囩偤:涓婁綅姗熼噰鐢ㄥ伐鎺ф,鎳�(y墨ng)鐢ㄩ潏娲荤殑浜烘鎺ュ彛杌熶欢瀵︾従(xi脿n)鎿嶄綔鎺у埗;鐩�(ji膩n)鎺у剙琛ㄩ噰鐢ㄤ互16浣嶅柈鐗囨80C96KB鐐篊PU鐨勫柈鐗囨绯荤当(t菕ng)渚嗗鐝�(xi脿n)鐝�(xi脿n)鍫存暩(sh霉)鎿�(j霉)鐨勯噰闆嗚垏鎺у埗,閬斿埌绲�(ji茅)妲�(g貌u)绨″柈銆佸姛鑳介潏娲�銆佹€ц兘绌�(w臎n)瀹氱瓑瑕佹眰;涓娿€佷笅浣嶆涔嬮枔鐨勯€氫俊閲囩敤RS-485涓茶绺界窔,鍏舵姉骞叉摼鑳藉姏寮�,鍌宠几璺濋洟閬�,鍙敤绨″柈骞惰伅(li谩n)鐨勬柟寮忛€ｆ帴澶氳嚭涓嬩綅姗�,涓婁綅姗熷拰涓嬩綅姗熶箣闁撶殑閫氫俊鍗�(xi茅)璀伴噰鐢≒ROFIBUS鍦嬮殯妯欐簴,浣跨郴绲�(t菕ng)鏄撲簬鎿村睍銆佷簰鎻涙€у挤銆� 銆€銆€寰炵郴绲�(t菕ng)鍔熻兘瑕佹眰鍑虹櫦(f膩),鏈枃绯荤当(t菕ng)鐢辩洠(ji膩n)鎺х郴绲�(t菕ng)鍙婄洠(ji膩n)鎺т富姗熷叐鍊嬮儴鍒嗙殑杌熴€佺‖浠舵墍绲勬垚銆傜洠(ji膩n)鎺у剙琛ㄦ槸鏈夋脯閲�銆佹帶鍒跺姛鑳界殑鍠墖姗熺郴绲�(t菕ng),浣滅偤鏀剧疆鍦ㄧ従(xi脿n)鍫寸殑涓嬩綅姗�銆傜洠(ji膩n)鎺т富姗熸槸鐢变竴鑷哄伐鎺ф鍙婁覆琛岄€氳▕鎺ュ彛閮ㄤ欢妲�(g貌u)鎴愮殑銆傜郴绲�(t菕ng)绲勬垚濡傚湒1鎵€绀�銆� 3 涓嬩綅姗熺祫鎴� 銆€銆€涓嬩綅姗熼噰鐢�80C196KB鍠墖姗熺郴绲�(t菕ng)閫茶鏁�(sh霉)鎿�(j霉)閲囬泦銆佹帶鍒堕噺杓稿嚭銆佸悜涓婁綅姗熷偝閫佹脯閲忔暩(sh霉)鎿�(j霉)鍙婃帴鏀朵笂浣嶆鐨勬搷浣滃懡浠�銆� 銆€銆€3.1 AI鍠厓 銆€銆€AI鍠厓鍖呮嫭32璺ā鎿几鍏ヤ俊铏熺殑鏀惧ぇ銆佹烤娉㈠拰铏曠悊闆昏矾,鍏剁祼(ji茅)妲�(g貌u)濡傚湒2鎵€绀�銆� [align=center] 鍦�2 AI鍠厓绲�(ji茅)妲�(g貌u)妗嗗湒[/align] 銆€銆€AI鍠厓涓昏鎬ц兘: 8璺啽闆婚樆Pt100娓噺鑼冨湇:0锝�3000C; 8璺疜鍨嬬啽闆诲伓娓噺鑼冨湇:100锝�8000C; 8璺疎鍨嬬啽闆诲伓娓噺鑼冨湇:100锝�8000C; 4璺�4锝�20mA闆绘祦淇¤櫉; 4璺�1锝�5V闆诲淇¤櫉; 銆€銆€鐐轰繚璀夌郴绲�(t菕ng)鐨勬脯閲忕簿搴﹀劒(y艒u)浜�0.2%, AI鍠厓涓殑A/D杞�(zhu菐n)鎻涘櫒閲囩敤12浣嶇殑AD574,鍙湪25渭s鍏�(n猫i)瀹屾垚涓€娆/D杞�(zhu菐n)鎻�,32璺俊铏熷湪2绉掗悩鍏�(n猫i)寰挵(hu谩n)閲囨ǎ涓€娆�銆� 銆€銆€3.2 DI鍠厓 [align=center] 鍦�3 DI鍠厓绲�(ji茅)妲�(g貌u)妗嗗湒[/align] 銆€銆€DI鍠厓鍖呮嫭8璺�24V鐩存祦鍏夐殧闆㈤枊闂�(gu膩n)閲忚几鍏ヤ俊铏�銆傚叾绲�(ji茅)妲�(g貌u)濡傚湒3鎵€绀�銆侱I鍠厓鐨勫姛鑳�: 8璺辜闆诲櫒灏�(d菐o)閫�/鏂烽枊鐨勯枊闂�(gu膩n)閲忓悓鏅傝几鍏�銆� 銆€銆€3.3 DO鍠厓 銆€銆€DO鍠厓鍖呮嫭8璺劇婧愯Ц榛�,鍏夐浕闅旈洟杓稿嚭,鍏剁祼(ji茅)妲�(g貌u)濡傚湒4鎵€绀�銆� [align=center] 鍦�4 DO鍠厓绲�(ji茅)妲�(g貌u)鍦朳/align] 銆€銆€DO鍠厓涓昏鎬ц兘: 鏈€澶ч€氭柗鑳藉姏:1A/220V; 绻奸浕鍣�:EG2-5N1; ON闊挎噳(y墨ng)鏅傞枔:MAX 10ms; OFF闊挎噳(y墨ng)鏅傞枔:MAX10ms; 鍏�(n猫i)閮ㄩ浕娴佹秷鑰�:MAX50mA, 5VDC 锛�8榛炲悓鏅傛帴閫氾級銆� 銆€銆€3.4 AO鍠厓 銆€銆€AO鍠厓鍖呮嫭4璺�4锝�20mA妯℃摤閲忚几鍑轰俊铏�,鍏剁祼(ji茅)妲�(g貌u)濡傚湒5鎵€绀�銆傚畠鍊戝彲浠ュ垎鍒ヨ瑷�(sh猫)缃偤鑸�32璺疉I涓殑浠绘剰涓€璺舰鎴愰枆鐠�(hu谩n)鎺у埗銆� [align=center] 鍦�5 AO鍠厓绲�(ji茅)妲�(g貌u)妗嗗湒[/align] 銆€銆€AO鍠厓涓昏鎬ц兘: 璨犺級鑼冨湇:0惟锝�300惟; 杓稿嚭鑼冨湇:4锝�20mA; 銆€銆€鐐轰繚璀夎几鍑虹簿搴�,AO鍠厓閲囩敤闆欒矾12浣嶄覆琛孌AC-TLC5618,灏囧叾杓稿嚭鐨勯浕澹撲俊铏熺稉(j墨ng)鏀惧ぇ鍚�,鍐嶇稉(j墨ng)V/I杞�(zhu菐n)鎻涢浕璺畩?y艒u)?锝�20mA闆绘祦杓稿嚭鐨勬柟寮�銆� 銆€銆€3.5涓茶閫氫俊鎺ュ彛鍠厓 銆€銆€鏈脯閲忓剙涓茶鎺ュ彛閲囩敤鍏夐浕闅旈洟鍨婻S-485鎺ュ彛妯欐簴,閫氫俊闆荤簻閲囩敤灞忚斀闆欑禐绶�銆俁S-485绺界窔鍏锋湁鍌宠几璺濋洟閬�,鎶楀共鎿捐兘鍔涘挤绛夊劒(y艒u)榛�,閬╁悎浜庣敓鐢�(ch菐n)鐠�(hu谩n)澧冦€� 銆€銆€3.6绋嬪簭瀛樺劜鍣ㄥ拰EEPROM 銆€銆€鍦ㄤ笅浣嶆閲囩敤8K绋嬪簭瀛樺劜鍣�,鐢ㄤ締瀛樺劜涓嬩綅姗熺殑鐩�(ji膩n)鎺х▼搴�銆傜郴绲�(t菕ng)涓倓閲囩敤128K EEPROM-DS 1213D渚嗗瓨鍎茬郴绲�(t菕ng)鐣跺墠瑷�(sh猫)缃拰鏁�(sh霉)鎿�(j霉)閲囬泦淇℃伅,鍙互瀵︾従(xi脿n)鎺夐浕淇濊鐨勫姛鑳姐€侲EPROM闆绘睜鐨勫＝鍛界偤10骞�銆� 4 涓婁綅姗� 銆€銆€绯荤当(t菕ng)涓婁綅姗熼噰鐢ㄧ爺鑿�610宸ユ帶姗熶互瀵︾従(xi脿n)鏁村€嬬郴绲�(t菕ng)鐨勯珮鍙潬鎬с€傚寘鎷�:涓绘銆侀’绀哄櫒銆侀嵉鐩ゅ拰榧犳绛夈€備笂浣嶆鐨勫熀鏈厤缃涓�: 銆€銆€CPU: P4-1.8G; 鍏�(n猫i)瀛�:256M; 纭洡:20G; 鍏夐﹨(q奴):52X; 銆€銆€椤瓨:32M; 椤ず鍣�:PHILIP107E; 妯欐簴閸电洡鍜岄紶妯�; 鐮旇彲閫氫俊鎺ュ彛鍗�:PCL-745B; 銆€銆€閫氶亷灏堢敤鐨勯€氳▕鎺ュ彛鍗CL-745B灏囧伐鎺ф鎿村睍鍑�2璺疪S-422/485涓茶鍙�,鏈郴绲�(t菕ng)鍍呬娇鐢ㄤ簡鍏朵腑鐨勪竴璺�銆傜暥涓嬩綅姗熸暩(sh霉)閲忚純澶氭檪,涓婁綅姗熷拰涓嬩綅姗熼€氫俊鐨勪俊鎭噺杓冨ぇ,鏈€澶у彲鐢ㄦ尝鐗圭巼鐐�19200bps銆� 5 绯荤当(t菕ng)宸ヤ綔鍘熺悊 銆€銆€绯荤当(t菕ng)宸ヤ綔鍘熺悊鍙啊瑕佹鎷涓�: 銆€銆€绯荤当(t菕ng)閲濆皪澶栫晫琚脯鐨�32璺俊铏�,鐢辩辜闆诲櫒闄ｅ垪閬告搰鍏朵腑鐨勪换鎰忎竴璺€茶杓稿叆銆傞€欎竴璺俊铏熻几鍏ョ郴绲�(t菕ng)鍚�,鍐嶅緸浜旂ó铏曠悊鏂瑰紡涓伕鎿囦竴绋柟寮�銆傞€欎簲绋俊铏熻檿鐞嗘柟寮忔槸:鐔遍浕闃绘脯婧浕璺�;E鍨嬬啽闆诲伓娓韩闆昏矾;K鍨嬬啽闆诲伓娓韩闆昏矾;妯欐簴1锝�5V闆诲閲忚几鍏�;妯欐簴4锝�20mA闆绘祦閲忚几鍏ャ€傝嫢閬告搰鐨勬槸鍏╃ó妯欐簴閲忚几鍏ヤ腑鐨勪换涓€绋�,鍓囦俊铏熺稉(j墨ng)閬庨€氳矾鍚庣洿鎺ユ帴鍏ュ悗涓€绱氫俊铏熻(di脿o)鐞嗛浕璺�;鑻ラ伕鎿囩殑鏄啽闆诲伓鎴栫啽闆婚樆娓韩閫氳矾,鍓囦俊铏熷緸娓韩闆昏矾杓稿嚭鍚庡厛缍�(j墨ng)閬庝竴鍊嬮浕娴佽几鍑烘帴鍙ｉ泦鎴愰浕璺疉M402,鍐嶆帴鍏ヤ俊铏熻(di脿o)鐞嗛浕璺�銆備俊铏熻(di脿o)鐞嗛浕璺几鍑虹殑妯℃摤閲�,閫氶亷A/D杞�(zhu菐n)鎻涘櫒璁婃彌鐐烘暩(sh霉)瀛椾俊铏�,鐒跺悗閫佸叆CPU閫茶鏁�(sh霉)鎿�(j霉)铏曠悊銆� 銆€銆€CPU灏岮/D鐧�(f膩)鍑鸿(di脿o)鐢ㄦ寚浠�,灏囨暩(sh霉)鎿�(j霉)瑾�(di脿o)鍒癈PU涓€茶鏁�(sh霉)鎿�(j霉)铏曠悊銆傝檿鐞嗗悗鐨勬暩(sh霉)鎿�(j霉)閫氶亷涓茶鍙ｈ垏涓婁綅姗熷鏅傞€氳▕,骞剁敱涓婁綅姗熼€蹭竴姝ラ€茶铏曠悊銆備笂浣嶆鐨勫洖寰�(f霉)淇℃伅鐢盋PU鎸囧畾瀛樺劜鍦板潃骞跺瓨鍎插湪瀛樺劜鍣ㄤ腑,鍚屾檪鐢盋PU灏嶅叾閫茶杓稿嚭銆� 銆€銆€CPU杓稿嚭鐨勬暩(sh霉)鎿�(j霉)鏄�8浣嶅苟琛屾暩(sh霉)鎿�(j霉),缍�(j墨ng)閬庡苟-涓茶綁(zhu菐n)鎻涖€佹暩(sh霉)-妯¤綁(zhu菐n)鎻�銆侀浕澹�-闆绘祦杞�(zhu菐n)鎻涢€欏咕鍊嬫椹�,浣垮緱杓稿嚭鐨勯噺鍙互椹�(q奴)鍕曡鎺у埗绯荤当(t菕ng)銆傜郴绲�(t菕ng)閭勮几鍑洪枊闂�(gu膩n)閲忎綔鐐烘帶鍒朵俊铏熻几鍑�銆� 6 绯荤当(t菕ng)涓昏鎬ц兘鎸囨 銆€銆€绯荤当(t菕ng)涓昏鎬ц兘鎸囨濡備笅: 銆€?銆�?锛� 4璺�4锝�20mA妯℃摤閲忚几鍏�,鍏佽ū涓婁綅姗熻ō(sh猫)瀹氶€氶亾铏�,涓斿彲鎺夐浕淇濇寔銆� 銆€?銆�?锛� 4璺�1锝�5V妯℃摤閲忚几鍏�,鍏佽ū涓婁綅姗熻ō(sh猫)瀹氶€氶亾铏�,涓斿彲鎺夐浕淇濇寔銆� 銆€?銆�?锛� 16璺啽闆诲伓锛圞鍨�銆丒鍨嬶級杓稿叆,鍏佽ū涓婁綅姗熻ō(sh猫)瀹氶€氶亾铏�,涓斿彲鎺夐浕淇濇寔銆傦紙灏嶆噳(y墨ng)鐔遍浕鍋惰几鍏ュ瀷鍎€琛級 銆€?銆�?锛� 16璺啽闆婚樆锛堬紙Pt100锛夎几鍏�,鍏佽ū涓婁綅姗熻ō(sh猫)瀹氶€氶亾铏�,涓斿彲鎺夐浕淇濇寔銆� 锛堝皪鎳�(y墨ng)鐔遍浕闃昏几鍏ュ瀷鍎€琛級 銆€?銆�?锛� 8璺枊闂�(gu膩n)閲忚几鍏ワ紙24V DC鍏夐殧锛夊厑瑷变笂浣嶆瑷�(sh猫)瀹氶€氶亾铏�,涓斿彲鎺夐浕淇濇寔銆� 銆€?銆�?锛� 8璺枊闂�(gu膩n)閲忚几鍑猴紙鐒℃簮瑙搁粸銆佸厜闆婚殧闆�,1 A/220 V锛夊厑瑷变笂浣嶆瑷�(sh猫)瀹氶€氶亾铏�,涓斿彲鎺夐浕淇濇寔銆� 銆€?銆�?锛� 4璺ā鎿噺杓稿嚭锛堬紙 4锝�20mA锛夊厑瑷变笂浣嶆瑷�(sh猫)瀹氬叾涓竴璺偤AI閫氶亾鐨勯枆鐠�(hu谩n)鎺у埗杓稿嚭,鍏朵綑閫氶亾铏熶害鍙悓涓婃柟娉曡ō(sh猫)瀹�,涓旈兘鍙帀闆讳繚鎸�銆� 銆€銆€锛�8锛� 涓茶鍙ｉ噰鐢ㄥ厜闆婚殧闆㈠瀷RS-485鎺ュ彛妯欐簴,閫氳▕鍗�(xi茅)璀伴伒寰濸ROFIBUS绺界窔妯欐簴銆� 銆€?銆�?锛� CPU閲囩敤80C196銆� 銆€?銆�?0锛� 宸″洖閲囨ǎ鏅傞枔闁撻殧灏忎簬2绉�銆� 銆€?銆�?1锛� 娓噺瑾ゅ樊灏忎簬0.2%銆� 銆€?銆�?2锛� 鏈鍦板潃鍙€氶亷涓婁綅姗熻ō(sh猫)瀹�,涓斿彲鎺夐浕淇濇寔銆� 銆€銆€锛�13锛� 鐩�(ji膩n)鎺ф暩(sh霉)鎿�(j霉)鍙婄郴绲�(t菕ng)宸ヤ綔鐙€鎱�(t脿i)瀵︽檪椤ず銆佸瓨鍎插姛鑳�銆� 銆€銆€鏈枃浣滆€呭壍(chu脿ng)鏂伴粸: 鏈枃涓牴鎿�(j霉)绯荤当(t菕ng)鍔熻兘瑕佹眰鎻愬嚭绯荤当(t菕ng)绺借ō(sh猫)瑷堝師鍓�,灏嶇郴绲�(t菕ng)绲勬垚閫茶浜嗗叏闈粙绱�,姒傝堪浜嗙郴绲�(t菕ng)鐨勫伐浣滃師鐞�,闂¤堪浜嗙郴绲�(t菕ng)鎬ц兘鎸囨銆� 鍙冭€冩枃鐛� 銆€銆€[1] 鏉庤彲.MCS-51绯诲垪鍠墖姗熷鐢ㄦ帴鍙ｆ妧琛�(sh霉)[M].鍖椾含:鍖� 浜埅绌鸿埅澶╁ぇ瀛稿嚭鐗堢ぞ,2002.2 銆€銆€[2] 闄抽€ｅ潳.宓屽叆寮忕郴绲�(t菕ng)鐨勮ō(sh猫)瑷堣垏闁嬬櫦(f膩)[M].鍖椾含:娓呰彲澶у鍑虹増绀�,2005 銆€銆€[3] 鍞愬,鐜嬫枃濞�,鍛傞暦椋�. 鍩轰簬鏂板瀷AVR鍠墖姗熺殑婧娓帶绯荤当(t菕ng)[J]. 寰▓绠楁淇℃伅, 2007,2-2: 138-139 銆€銆€[4] PHILIPS SJA1000 stand-alone CAN controller product specification 2000 Jan 04 銆€銆€[5] 閯斿鏄� CAN 绺界窔鍘熺悊鍜屾噳(y墨ng)鐢ㄧ郴绲�(t菕ng)瑷�(sh猫)瑷圼M] 鍖椾含鑸┖鑸ぉ澶у鍑虹増绀� 1996 銆€銆€[6] 榛冩▊澶�, 璎濇剰. 瀵︾敤楂樼簿搴︽櫤鑳芥亽婧姞鐔卞櫒绯荤当(t菕ng)瑷�(sh猫)瑷圼J]. 寰▓绠楁淇℃伅, 2005,10: 70-71