{"id":377,"date":"2026-09-14T14:02:40","date_gmt":"2026-09-14T06:02:40","guid":{"rendered":"https:\/\/www.bihec.com\/usdigitalcorporation\/?p=377"},"modified":"2026-09-14T14:02:40","modified_gmt":"2026-09-14T06:02:40","slug":"us-digital-a2%e7%b3%bb%e5%88%97-12-%e4%bd%8d%e7%bb%9d%e5%af%b9%e5%bc%8f%e5%85%89%e5%ad%a6%e8%bd%b4%e7%bc%96%e7%a0%81%e5%99%a8-%e5%85%89%e5%ad%a6%e6%97%8b%e8%bd%ac%e7%bc%96%e7%a0%81%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/usdigitalcorporation\/us-digital-a2%e7%b3%bb%e5%88%97-12-%e4%bd%8d%e7%bb%9d%e5%af%b9%e5%bc%8f%e5%85%89%e5%ad%a6%e8%bd%b4%e7%bc%96%e7%a0%81%e5%99%a8-%e5%85%89%e5%ad%a6%e6%97%8b%e8%bd%ac%e7%bc%96%e7%a0%81%e5%99%a8\/","title":{"rendered":"US digital A2\u7cfb\u5217 12 \u4f4d\u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668\u00a0 \u5149\u5b66\u65cb\u8f6c\u7f16\u7801\u5668 S \u578b\uff08\u9ed8\u8ba4\uff09 B \u578b\uff08\u6eda\u73e0\u8f74\u627f\uff09 N \u578b\uff08\u4f4e\u9759\u6469\u64e6\uff09"},"content":{"rendered":"

US Digital A2\u7cfb\u5217 \u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668<\/a><\/h1>\n
\u7b26\u5408 RoHS \u6807\u51c6<\/p><\/blockquote>\n
A2 \u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668 \u4ea7\u54c1\u7279\u70b9<\/h2>\n
\n
\u5957\u7b52\u886c\u5957\u6216\u6eda\u73e0\u8f74\u627f\u4e24\u79cd\u7ed3\u6784\u53ef\u9009<\/li>\n
12 \u4f4d\u5206\u8fa8\u7387\uff0c\u5355\u5708\u7f16\u7801\u8303\u56f4\u53ef\u73b0\u573a\u7f16\u7a0b\uff1a\u6bcf\u8f6c 2~4096 \u4e2a\u7f16\u7801\uff08\u51fa\u5382\u9ed8\u8ba4 3600 \u7801 \/ \u8f6c\uff09<\/li>\n
\u5b8c\u6574 360\u00b0 \u6d4b\u91cf\u8303\u56f4\uff0c7 \u6beb\u79d2\u66f4\u65b0\u65f6\u95f4<\/li>\n
\u4f4e\u529f\u8017\uff1a\u6700\u5927\u5de5\u4f5c\u7535\u6d41 18.5mA\uff1b\u4f11\u7720\u6a21\u5f0f 2.5mA<\/li>\n
\u53ef\u73b0\u573a\u7f16\u7a0b\u53c2\u6570\uff0c\u4f8b\u5982\u8bbe\u7f6e\u96f6\u70b9\u4f4d\u7f6e\uff08\u914d\u5957\u8f6f\u4ef6\u53ef\u5728\u5b98\u7f51\u4e0b\u8f7d\uff09<\/li>\n
\u975e\u6613\u5931\u6027\u5b58\u50a8\u5668\uff0c\u65ad\u7535\u53ef\u4fdd\u5b58\u53c2\u6570<\/li>\n
\u9ed8\u8ba4\u6ce2\u7279\u7387 9600\uff0c\u6700\u9ad8\u53ef\u914d\u7f6e\u81f3 115k \u6ce2\u7279<\/li>\n
\u6a21\u62df\u91cf\u8f93\u51fa<\/a>\u7248\u672c\uff1a \u8f93\u51fa<\/a>\u7535\u538b\u8303\u56f4 0~4.095V\uff08\u51fa\u5382\u9ed8\u8ba4 0~3.599V\uff09<\/li>\n
\u591a\u5708\u6a21\u5f0f\uff1a\u65ad\u7535\u53ef\u8bb0\u5fc6\u5708\u6570\uff1b\u4e0a\u7535\u65e0\u9700\u5f52\u96f6<\/li>\n<\/ul>\n
\u4ea7\u54c1\u7b80\u4ecb<\/h2>\n
A2 \u5149\u5b66\u7f16\u7801\u5668<\/a>\u662f\u4e00\u6b3e12 \u4f4d\u7edd\u5bf9\u5f0f\u65cb\u8f6c\u7f16\u7801\u5668<\/a><\/strong>\uff0c\u5728\u8f6c\u8f74\u5355\u6b21 360\u00b0 \u65cb\u8f6c\u5185\u8f93\u51fa\u8f6c\u8f74\u89d2\u5ea6\u3002\u548c \u589e\u91cf\u5f0f\u7f16\u7801\u5668<\/a>\uff08\u53c8\u79f0 \u76f8\u5bf9\u5f0f\u7f16\u7801\u5668<\/a>\uff09\u4e0d\u540c\uff0c\u7edd\u5bf9\u5f0f\u7f16\u7801\u5668\u4e0a\u7535\u5373\u53ef\u8bfb\u53d6\u771f\u5b9e\u4f4d\u7f6e\uff0c\u4e0d\u9700\u8981\u56de\u96f6\u64cd\u4f5c\uff0c\u65ad\u7535\u91cd\u542f\u540e\u4e5f\u65e0\u9700\u91cd\u65b0\u5bfb\u627e\u539f\u70b9\u3002<\/p>\n
\u5171\u6709 3 \u79cd\u8f74\u626d\u77e9\u7248\u672c\u53ef\u9009\uff1a<\/p>\n
\n
S \u578b\uff08\u9ed8\u8ba4\uff09<\/strong>\uff1a\u5957\u7b52\u886c\u5957\uff0c\u963b\u5c3c\u66f4\u5927\uff0c\u9002\u5408\u4eba\u673a\u4ea4\u4e92\u7c7b\u5e94\u7528<\/li>\n
B \u578b\uff08\u6eda\u73e0\u8f74\u627f\uff09<\/strong>\uff1a\u5fae\u578b\u7cbe\u5bc6\u6eda\u73e0\u8f74\u627f\uff0c\u9002\u5408\u9ad8\u901f\u573a\u666f<\/li>\n
N \u578b\uff08\u4f4e\u9759\u6469\u64e6\uff09<\/strong>\uff1a\u5957\u7b52\u886c\u5957\uff0c\u963b\u5c3c\u66f4\u5c0f\uff0c\u9002\u5408\u4f4e\u901f\u5e94\u7528<\/li>\n<\/ul>\n
A2 \u901a\u8fc7 RS485 \u4e32\u884c\u603b\u7ebf\u901a\u4fe1\uff0c\u91c7\u7528 US Digital \u81ea\u7814 SEI\uff08\u4e32\u884c\u7f16\u7801\u5668\u63a5\u53e3\uff09\u534f\u8bae\u3002\u53ef\u7b80\u5355\u3001\u4fbf\u6377\u5730\u5c06\u591a\u53f0 SEI \u7f16\u7801\u5668\u7ec4\u7f51\uff1b\u63a7\u5236\u5668\u3001\u7535\u8111\u4e5f\u53ef\u642d\u914d SEI \u8f6c USB \u63a5\u53e3\u6a21\u5757\u63a5\u5165\u603b\u7ebf\u3002<\/p>\n
A2 \u53ef\u9009\u914d\u6a21\u62df\u91cf\u8f93\u51fa\u529f\u80fd\u3002\u6a21\u62df\u91cf\u7248\u672c\u53ef\u8f93\u51fa\u6700\u9ad8 0~4.095V \u7535\u538b\uff0c12 \u4f4d\u5206\u8fa8\u7387\uff1b\u51fa\u5382\u9ed8\u8ba4\u8f93\u51fa 0~3.599V\uff0c\u53ef\u901a\u8fc7 SEI \u6307\u4ee4\u4fee\u6539\u7535\u538b\u91cf\u7a0b\u3002 ⚠️ \u6ce8\u610f\uff1a\u9009\u7528\u6a21\u62df\u91cf\u8f93\u51fa\u9009\u9879\u65f6\uff0c\u4e00\u6761 SEI \u603b\u7ebf\u4e0a\u53ea\u80fd\u63a5 1 \u53f0\u7f16\u7801\u5668<\/strong>\u3002<\/p>\n
\n
\u673a\u68b0\u56fe\u7eb8<\/h1>\n
A2 \u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668 – S\u3001N \u578b\u8f74\u626d\u77e9\u7248\u672c A2 \u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668 – B \u578b\u6eda\u73e0\u8f74\u627f\u8f74\u626d\u77e9\u7248\u672c A2 \u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668\uff08\u5e95\u5ea7\u4e0e\u7aef\u76d6\u9009\u914d\uff0cB \u578b\u8f74\uff09<\/p><\/blockquote>\n
\u56fe\u7eb8\u6807\u6ce8\u8981\u70b9\uff1a<\/p>\n
\n
2 \u4e2a #4-40 \u5b89\u88c5\u5b54\uff0c\u87ba\u4e1d\u6700\u5927\u65cb\u5165\u6df1\u5ea6 0.220 \u82f1\u5bf8\uff085.59mm\uff09<\/li>\n
\u5916\u5f84 2.500 \u82f1\u5bf8\uff0863.5mm\uff09<\/li>\n
\u9002\u914d MD6 \u7ebf\u7f06\u4e0e\u8fde\u63a5\u5668\uff0c1 \u53f7\u5f15\u811a\u5b9a\u4e49\u89c1\u4e0b\u6587<\/li>\n
\u542b 3\/8-32 UNEF \u87ba\u7eb9\u3001\u661f\u5f62\u57ab\u5708\u3001\u661f\u5f62\u87ba\u6bcd\uff08\u914d\u4ef6\u968f\u8d27\uff09<\/li>\n
\u53ef\u9009 E \u578b\u540e\u7aef\u5ef6\u957f\u8f74\u3001M \u578b\u5b89\u88c5\u5e95\u5ea7\u914d\u4ef6<\/li>\n<\/ul>\n
$\"\"$ <\/p>\n
$\"\"$ <\/p>\n
$\"\"$ <\/p>\n
\n
\u6280\u672f\u89c4\u683c<\/h1>\n
\u73af\u5883\u53c2\u6570<\/h2>\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n \u6570\u503c<\/th>\n \u5355\u4f4d<\/th>\n<\/tr>\n<\/thead>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n -25 ~ +70<\/td>\n \u2103<\/td>\n<\/tr>\n
\u632f\u52a8\uff085Hz~2kHz\uff09<\/td>\n 20<\/td>\n G<\/td>\n<\/tr>\n
\u9759\u7535\u653e\u7535 IEC 61000-4-2<\/td>\n \u00b14<\/td>\n kV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u673a\u68b0\u53c2\u6570<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n \u5957\u7b52\u886c\u5957\u7248\u672c<\/th>\n \u6eda\u73e0\u8f74\u627f\u7248\u672c<\/th>\n<\/tr>\n<\/thead>\n
\u6700\u5927\u89d2\u52a0\u901f\u5ea6<\/td>\n 10000<\/td>\n rad\/s\u00b2<\/td>\n<\/tr>\n
\u6700\u9ad8\u8f74\u8f6c\u901f<\/td>\n 10000<\/td>\n RPM<\/td>\n<\/tr>\n
\u5178\u578b\u8f74\u626d\u77e9<\/td>\n 0.5 in\u30fboz\uff08S \u578b\uff092.0 in\u30fboz\uff08N \u578b\uff09<\/td>\n 0.05 in\u30fboz\uff08B \u578b\uff09<\/td>\n<\/tr>\n
\u6700\u5927\u5f84\u5411\u8d1f\u8f7d<\/td>\n 2 lb<\/td>\n 2 lb<\/td>\n<\/tr>\n
\u8f74\u627f\u5bff\u547d<\/td>\n >100 \u4e07\u8f6c<\/td>\n \u5bff\u547d\u516c\u5f0f\uff1a\\(L_{10}=\\frac{10^6}{(\\frac{60\\cdot n}{1000})^p}\\)\uff0cn = \u8f6c\u901f\uff0cp = \u8d1f\u8f7d\u7cfb\u6570<\/td>\n<\/tr>\n
\u91cd\u91cf<\/td>\n 2.9 oz<\/td>\n 2.9 oz<\/td>\n<\/tr>\n
\u8f74\u6700\u5927\u5f84\u5411\u8df3\u52a8<\/td>\n 0.0025 in\uff0c\u603b\u6307\u793a\u8df3\u52a8 TIR<\/td>\n 0.0025 in\uff0c\u603b\u6307\u793a\u8df3\u52a8 TIR<\/td>\n<\/tr>\n
\u5b89\u88c5\u677f\u87ba\u4e1d\u62e7\u7d27\u626d\u77e9<\/td>\n 4~6 in-lbs<\/td>\n 4~6 in-lbs<\/td>\n<\/tr>\n
\u9762\u677f\u87ba\u6bcd\u62e7\u7d27\u626d\u77e9<\/td>\n 20 in-lbs<\/td>\n 20 in-lbs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
* \u4ec5\u5728\u8f74\u5411\u8d1f\u8f7d\u6781\u5c0f\u6761\u4ef6\u4e0b\u6709\u6548<\/p><\/blockquote>\n
\u7535\u6c14\u53c2\u6570<\/h2>\n
\u89c4\u683c\u9002\u7528\u4e8e\u5168\u90e8\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\uff1b\u9ed8\u8ba4\u6d4b\u8bd5\u6761\u4ef6\uff1a12V \u4f9b\u7535\uff0c25\u2103<\/p><\/blockquote>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n \u6700\u5c0f\u503c<\/th>\n \u5178\u578b\u503c<\/th>\n \u6700\u5927\u503c<\/th>\n \u5355\u4f4d<\/th>\n<\/tr>\n<\/thead>\n
\u4f9b\u7535\u7535\u538b<\/td>\n 7.5<\/td>\n 12<\/td>\n 16<\/td>\n V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u7535\u6d41\uff0812V \u4f9b\u7535\uff09<\/td>\n –<\/td>\n 14<\/td>\n 18.5<\/td>\n mA<\/td>\n<\/tr>\n
\u4f11\u7720\u7535\u6d41<\/td>\n –<\/td>\n 2.5<\/td>\n –<\/td>\n mA<\/td>\n<\/tr>\n
\u6a21\u62df\u8f93\u51fa\u963b\u6297<\/td>\n –<\/td>\n 51<\/td>\n –<\/td>\n \u03a9<\/td>\n<\/tr>\n
\u96f6\u70b9\u6a21\u62df\u7535\u538b<\/td>\n 0<\/td>\n 2<\/td>\n 12<\/td>\n mV<\/td>\n<\/tr>\n
\u6ee1\u91cf\u7a0b\u6a21\u62df\u7535\u538b<\/td>\n 4.066<\/td>\n 4.095<\/td>\n 4.124<\/td>\n V<\/td>\n<\/tr>\n
\u5fae\u5206\u975e\u7ebf\u6027\uff08\u6a21\u62df\u7248\u672c\uff09<\/td>\n -1.0<\/td>\n –<\/td>\n 1.0<\/td>\n LSB<\/td>\n<\/tr>\n
\u79ef\u5206\u975e\u7ebf\u6027\uff08\u6a21\u62df\u7248\u672c\uff09<\/td>\n -1.0<\/td>\n –<\/td>\n 1.0<\/td>\n LSB<\/td>\n<\/tr>\n
\u7edd\u5bf9\u7cbe\u5ea6\uff08SEI \u6570\u5b57\u63a5\u53e3\u7248\uff09<\/td>\n –<\/td>\n 0.18<\/td>\n 0.25<\/td>\n \u00b0<\/td>\n<\/tr>\n
\u89d2\u5ea6\u8ddf\u8e2a\u901f\u5ea6<\/td>\n –<\/td>\n 3600<\/td>\n –<\/td>\n RPM<\/td>\n<\/tr>\n
\u5355\u5708\u6a21\u5f0f\u4f4d\u7f6e\u66f4\u65b0\u901f\u7387<\/td>\n –<\/td>\n 7<\/td>\n –<\/td>\n ms<\/td>\n<\/tr>\n
\u591a\u5708\u6a21\u5f0f\u4f4d\u7f6e\u66f4\u65b0\u901f\u7387<\/td>\n –<\/td>\n 1800<\/td>\n –<\/td>\n ms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
(1) \u5185\u7f6e\u5fae\u63a7\u5236\u5668\u6bcf 7ms \u91c7\u96c6\u4e00\u6b21\u7801\u76d8\u4f4d\u7f6e\u5e76\u4fdd\u5b58\uff1b\u6536\u5230\u4f4d\u7f6e\u67e5\u8be2\u6307\u4ee4\u65f6\uff0c\u7acb\u5373\u8fd4\u56de\u6700\u65b0\u4f4d\u7f6e\u3002<\/p><\/blockquote>\n
\u9ed8\u8ba4\u51fa\u5382\u53c2\u6570<\/h2>\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n \u9ed8\u8ba4\u503c<\/th>\n \u6389\u7535\u4fdd\u5b58<\/th>\n<\/tr>\n<\/thead>\n
\u5206\u8fa8\u7387<\/td>\n 3600<\/td>\n ✅ \u975e\u6613\u5931<\/td>\n<\/tr>\n
\u539f\u70b9\u504f\u79fb<\/td>\n 0<\/td>\n ✅ \u975e\u6613\u5931<\/td>\n<\/tr>\n
\u6ce2\u7279\u7387<\/td>\n 9600<\/td>\n ❌ \u6613\u5931\uff08\u4e0a\u7535\u91cd\u7f6e\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u6a21\u62df\u91cf\u8f93\u51fa\u8bf4\u660e<\/h3>\n
A2 \u6a21\u62df\u7248\u672c\u5185\u7f6e 12 \u4f4d DAC\uff0c\u8f93\u51fa\u7535\u538b\u5bf9\u5e94\u8f6c\u8f74\u89d2\u5ea6\u3002 \u7f16\u7801\u5668\u91c7\u96c6\u8f6c\u8f74\u4f4d\u7f6e\uff0c\u901a\u8fc7 SEI \u603b\u7ebf\u8bfb\u53d6\u89d2\u5ea6\uff0cDAC \u5c06\u89d2\u5ea6\u8f6c\u6362\u4e3a\u5bf9\u5e94\u7535\u538b\u3002\u5355\u5708 4096 \u4e2a\u7f16\u7801\uff0c\u5bf9\u5e94 0~4.095V \u7535\u538b\u3002 \u53ef\u4f7f\u7528\u914d\u5957\u8f6f\u4ef6\uff0c\u901a\u8fc7 SEI \u6307\u4ee4\u4fee\u6539\u96f6\u70b9\u4e0e\u6ee1\u91cf\u7a0b\u7535\u538b\u3002 ⚠️ \u6a21\u62df\u91cf\u8f93\u51fa\u578b\u53f7\uff1a\u603b\u7ebf\u4ec5\u80fd\u6302\u8f7d 1 \u53f0\u7f16\u7801\u5668\u3002<\/p>\n
\u5f15\u811a\u5b9a\u4e49 MD6 \u63a5\u53e3<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u5f15\u811a<\/th>\n \u4fe1\u53f7<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n \u63a5\u5730 GND<\/td>\n<\/tr>\n
2<\/td>\n \u63a5\u6536 + A+<\/td>\n<\/tr>\n
3<\/td>\n \u63a5\u6536 – A-<\/td>\n<\/tr>\n
4<\/td>\n \u7535\u6e90 Power<\/td>\n<\/tr>\n
5<\/td>\n \u6570\u636e + Data+<\/td>\n<\/tr>\n
6<\/td>\n \u6570\u636e – Data-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u5907\u6ce8<\/h2>\n
\n
\u7535\u7f06\u4e0e\u8fde\u63a5\u5668\u4e0d\u5305\u542b\u5728\u7f16\u7801\u5668\u672c\u4f53\uff0c\u9700\u5355\u72ec\u91c7\u8d2d\u3002<\/li>\n<\/ul>\n
$\"\"$ <\/p>\n
\n
$\"\"$ <\/p>\n
12 \u4f4d\u7edd\u5bf9\u5f0f\u5149\u5b66\u8f74\u7f16\u7801\u5668<\/a>\n A2\u7cfb\u5217\u7f16\u7801\u5668<\/a>\n USdigital<\/a>\n USDigtal<\/a>\n \u5149\u5b66\u65cb\u8f6c\u7f16\u7801\u5668<\/a>\n \u5149\u5b66\u7f16\u7801\u5668<\/a><\/div>","protected":false},"excerpt":{"rendered":"
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