鏅傞枔锛�2025/5/6 13:09:33
闁辫畝锛�31
SN75DP139 鏄竴娆鹃珮鎬ц兘鐨勯洐璺樊鍒嗙窔璺﹨(q奴)鍕曞櫒锛屽皥鐐� RS-485 鍜� RS-422 鎳夌敤瑷▓銆傝┎鍣ㄤ欢鍏锋湁浣庡姛鑰楀拰楂樻姉鍣兘鍔涳紝閬╃敤浜庨暦璺濋洟鏁�(sh霉)鎿�(j霉)鍌宠几鍜屽榛為�氫俊绯荤当(t菕ng)銆�
銆�銆�SN75DP139 鎻愪緵浜嗗叐璺崹绔嬬殑宸垎杓稿嚭锛屾瘡涓�璺兘鑳戒互楂橀仈 20 Mbps 鐨勯�熺巼鍌宠几鏁�(sh霉)鎿�(j霉)銆傚叾鍏�(n猫i)缃殑鐔遍棞鏂蜂繚璀峰姛鑳藉彲闃叉閬庢祦鎴栫煭璺皫鑷�?li谩n)p澹�銆傛澶栵紝瀹冮倓鏀寔涓夋厠(t脿i)杓稿嚭妯″紡锛屼究浜庡鐝�(xi脿n)澶氶粸绺界窔缍�(w菐ng)绲°��
宸ヤ綔闆诲锛�3V 鑷� 5.5V
銆�銆�鏁�(sh霉)鎿�(j霉)鍌宠几閫熺巼锛氭渶楂� 20 Mbps
銆�銆�杓稿叆闃绘姉锛氱磩 100 k惟
銆�銆�杓稿嚭闆绘祦锛毬�20 mA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歋OIC-16
SN75DP139 鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂橀�熸暩(sh霉)鎿�(j霉)鍌宠几鑳藉姏锛屾敮鎸侀珮閬� 20 Mbps 鐨勯�熺巼锛屾豢瓒冲ぇ澶氭暩(sh霉)宸ユキ(y猫)鎳夌敤闇�姹�銆�
銆�銆�2. 鍏�(n猫i)缃啽闂滄柗淇濊鍔熻兘锛岀⒑淇濆湪閬庤級姊濅欢涓嬭姱鐗囩殑瀹夊叏閬嬭銆�
銆�銆�3. 杓稿嚭椹�(q奴)鍕曡兘鍔涘挤澶�锛岃兘澶犻﹨(q奴)鍕曢暦閬� 1200 绫崇殑闆欑禐绶氥��
銆�銆�4. 鏀寔涓夋厠(t脿i)杓稿嚭锛屾柟渚挎(g貌u)寤哄榛為�氫俊缍�(w菐ng)绲°��
銆�銆�5. 瀵伐浣滈浕澹撹寖鍦嶏紙3V 鑷� 5.5V锛�锛岄仼鎳夊绋浕婧愮挵(hu谩n)澧冦��
銆�銆�6. 鑹ソ鐨勯浕纾佸吋瀹规�э紙EMC锛夋�ц兘锛岄仼鍚堝槇闆滅殑宸ユキ(y猫)鐠�(hu谩n)澧冦��
SN75DP139 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栦腑鐨� RS-485 鍜� RS-422 鏁�(sh霉)鎿�(j霉)閫氫俊銆�
銆�銆�2. 澶氶粸閫氫俊缍�(w菐ng)绲�锛屽妯撳畤鑷嫊鍖�銆侀亷绋嬫帶鍒跺拰閬犵▼鐩�(ji膩n)鎺х郴绲�(t菕ng)銆�
銆�銆�3. 瑷堢畻姗熷鍦嶈ō鍌欐帴鍙�锛屼緥濡傛墦鍗版鍜屾巸鎻忓剙銆�
銆�銆�4. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鍜屽偝鎰熷櫒缍�(w菐ng)绲°��
銆�銆�5. 榛炲皪榛為暦璺濋洟鏁�(sh霉)鎿�(j霉)鍌宠几瑙ｆ焙鏂规銆�
銆�銆�6. 闆诲姏銆佽兘婧愮鐞嗗拰鏅鸿兘瀹跺眳绯荤当(t菕ng)鐨勯�氫俊妯″銆�
SN75179B, MAX485, LT1389
