【经验】一文介绍模块选型注意事项

时间： 2022-01-18 来源：SLKOR

技术问答

模块在较小导通角时(即模块高输入电压、低输出电压)输出较大电流，这样会使模块严重发热甚至烧毁。这是因为在非正弦波状态下用普通仪表测出的电流值，不是有效值，所以，尽管仪表显示的电流值并未超过模块的标称值，但有效值会超过模块标称值的几倍。因此，要求模块应在较大导通角下(100度以上)工作。本文SLKOR主要介绍模块选型注意事项。

图 1

其它要求：
●当模块控制变压器负载时，如果变压器空载，输出电流可能会小于晶闸管芯片的擎住电流，导致回路中产生较大直流分量，严重时会烧掉保险丝。为了避免出现上述情况，可在模块输出端接一固定电阻，一般每相输出电流不小于500mA(具体数据可根据试验情况确定)。
●小规格模块主电极无螺钉紧固，极易掀起折断.接线时应注意避免外力或电缆重力将电极拉起折断。
●严禁将电缆铜线直接压接在模块电极上，以防止接触不良产生附加发热。
●模块不能当作隔离开关使用。为保证安全.模块输入端前面需加空气开关。
●测量模块工作壳温时，测试点选择靠近模块底板中心的散热器表面。可将散热器表面以下横向打一深孔至散热器中心，把热电偶探头插到孔底。要求该测试点的温度应≤80℃。

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本文由三年不鸣转载自SLKOR，原文标题为:模块选型注意事项-导通角要求，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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描述- WAGO提供多种多样的工业接口模块，包括插头式功能模块、电缆转换模块、小型继电器模块、光电耦合器模块、开关稳压电源模块等，完全可满足以上需求，确保布线层和功能层的安全隔离。

型号- 790-124,289-459,248-501,289-458,706-2300/200-300,289-457,289-456,264系列,289-455,289-454,289-453,289-452,289-451,855-405/250-501,289-450,286-803,855-2701/064-001,288-414,280-944/281-589,210-533,787-870,209-501/000-024,787-871,209-501/000-023,855-5001/250-001,787-875,787-872,787-873,289-449,790-113,289-448,790-114,289-447,787-854,790-115,289-446,790-116,289-445,289-444,790-110,289-443,289-442,790-112,289-441,289-440,210-549,286-809,286-805,793-501/000-024,286-807,280-944/281-594,248-506,280-944/281-593,787-860,209-501/000-012,280-944/281-595,248-503,280-944/281-590,209-501/000-017,248-502,248-505,280-944/281-592,288-304/004-000,787-861,248-504,280-944/281-591,706-2300/201-100,787-862,288-307/004-000,288系列,855-805/2000-1001,857-1330,790-100,790-101,286-826,286-825,288-437,790-108,210-508,2857-550,280-502/281-588,280-502/281-589,280-502/281-584,787-892,209-652,280-502/281-585,280-502/281-586,745系列,787-890,280-502/281-587,787-896,787-897,280-502/281-582,280-502/281-583,787-895,787-876,280-502/281-590,286-835,286-834,286-836,286-831,286-833,286-832,288-418,289-128/006-000,215-811,280-502/281-595,787-881,787-1662/006-1000,787-880,280-502/281-591,787-885,280-502/281-592,787-886,280-502/281-593,281-530,280-502/281-594,706-2300/200-100,209-682,289-652,289-650,704-2044,2857-533,2857-534,288-312/004-000,289-409,289-408,289-407,289-406,289-405,289-404,289-403,706-7753/304-300,793-3501,209-690,289-402,209-691,289-401,209-692,209-693,790-398,288-600,857-168,288-602,288-601,288-837,2092系列,704-2054,209-685,209-686,855-801/2000-1001,859-403,859-404,859-402,789系列,706-7753/306-100,790-144,289-431,790-145,289-430,282-369,289-671,857-157,859-409,704-2024,787-1606,855-9150/2000-1251,859-407,859-408,855-4101/250-001,859-405,859-406,279-432,280-762,857-162,279-433,280-763,288-627,855-405/750-501,280-764,280-765,857-161,787-1611,857-167,206-173,706-2300/500-200,857-164,206-174,857-165,206-171,855,857,206-170,858,859,289-128/005-000,289-427,750-923/000-001,289-667,289-665,859-410,289-422,289-664,790-133,790-134,288-620,288-622,288-621,288-626,288-867,857-152,857-150,787-1601,857-155,787-1664/000-054,857-153,787-1602,857-154,279系列,855-305/200-501,279-440,289-614,289-613,248-501/000-024,289-612,248-501/000-023,289-611,704-2003,787-1628,288-810,704-2004,288-813,288-812,787-1632,787-1631,288-808,787-1634,787-1633,855-9300/2000-000,280-901,288-809,787-1635,248-501/000-012,706-753/301-300,787-1616,857-368,857-369,857-367,288-800,248-501/000-017,288-801,787-1621,787-1623,787-1622,791-107,2092-1601/002-000,280-916,248-566,706-7753/306-300,288-320/004-000,858-164,855-5105/1000-000,857-357,857-358,206-128,855-301/250-501,206-126,857-359,206-127,288-825,791-111,857-364,791-117,787-1662/000-200,855-301/150-501,858-390,289-624,858-391,289-623,855-5001/600-000,858-150,858-392,793-5501,858-151,289-621,858-152,289-620,858-153,858-154,285-195,787-1638,857-104,249-116,857-108,206-118,249-117,857-107,206-124,288-815,206-125,288-814,787-1640,288-816,787-1642,787-1644,857-354,791-124,791系列,289-619,289-618,289-617,289-616,706-100/1303-200,289-615,289-128/003-000,209系列,787-1675,706-2300/406-300,787-1671,790-311,790-312,209-296,790-350/790-398,790-310,706-753/300-300,289-175/790-108,858系列,857-569,210-505,249-101,210-506,787-1662,285-135,750-493,210-504,787-1664,750-495,750-494,787-1668,750-494/025-000,206,706-753/301-100,209,750-494/025-001,790-300,790-301,790-302,286系列,793-501/000-023,857-314,787-1212,210,793-501/000-017,787-1216,857-560,215,216,858-354,858-355,855-401/400-501,787-1662/000-004,787-1664/106-000,858-110,285-150,793-501/000-012,857-303,857-306,210-719,857-304,857-305,787-1685,2857-900,793-501/000-006,787-1202,793-501/000-007,210-721,210-722,793-501/000-005,857-552,793-501/000-002,210-720,857-550,787-1662/000-250,286-364,787-1662/004-1000,855-305/100-201,857-368/006-000,858-100,857-531,286-368,215-111,753-431,753-430,706-2300/406-100,855-9300/500-000,706-100/1301-200,855-3001/200-001,706-753/300-100,216-151,855-5001/400-000,215系列,787-1226,248,249,706-2300/502-300,216-152,858-324,858-325,858-327,858-328,706-3057/300-300,787-1014,787-1664/212-1000,855-5005/600-000,787-1017,706-2300/301-100,855-305/250-501,286-381,286-380,855-601/1500-501,787-1012,787-1011,706-2300/100-100,857-500,857-982,280-503/281-579,855-301/075-201,857-986,858-307,264,787-1002,858-308,706-7753/302-200,858-303,858-304,787-1001,858-305,286-320,857-979,787-1664/006-1000,750-1502,709-183,215-311,286-328,281系列,280-502/281-603,280-502/281-604,280-502/281-605,709-178,280-502/281-606,709-177,857-980,279,249-197,857-981,280-502/281-602,855-305/050-103,216-122,216-121,788-906,216-124,216-123,216-108,857-728,216-107,216-106,857-727,216-109,706-100/1300-200,280,281,280-502/281-607,857-724,282,280-502/281-608,280-502/281-609,285,280-502/281-614,286,858-528,288,289,280-502/281-610,280-502/281-611,280-502/281-612,280-502/281-613,216-110,855-505/600-1001,855-605/1500-501,787-1021,706-2300/404-300,787-1020,787-1022,857-717,857-718,706-3057/300-100,706-7753/301-200,857-714,858-517,206系列,858-51

选型指南 - WAGO - 2022/11/7 PDF 中文下载

如何选择GPS北斗定位模块？

GPS北斗定位模块集成了基带芯片和外围电路，可以和全球卫星导航系统（Global Navigation Satellite System）进行通信，在不消耗流量的情况下进行定位和导航。所有搭载GPS北斗定位模块的设备都可以在任何时段、任何地区、免费地GPS同步卫星进行通讯。本文介绍选择GPS北斗定位模块需要关注哪些参数？

器件选型发布时间 : 2024-07-07

解析GPS授时模块的工作原理及应用

GPS授时模块是一种基于全球定位系统（GPS）的高精度时间同步设备。它通过接收卫星信号，自动校准自身时钟，实现对其他设备的精确时间同步。GPS授时模块广泛应用于电力、交通、通信、金融、医疗等领域，为各类设备提供准确的时间参考。本文中赛思来给大家介绍PS授时模块的工作原理及应用，希望对各位工程师有所帮助。

技术探讨发布时间 : 2024-06-18

瑞尔达（RUI ER DA）PXI /PXIe 平台产品/嵌入式控制器/功能模块选型指南

描述- PXI/PXIe 是业内领先的模块化仪器平台，用于构建便捷、高性能的自动化测试系统。借助国内外上百家厂商提供近 3000 多款模块化产品，您可以根据测试需求的变化迅速在模块间进行互换或重新配置模块的功能。PXI/PXIe 模块化测试系统可以在保证同样性能的情况下，降低固定设备的成本和系统尺寸。

型号- PXI-6551,MT-E761,MT-E760,MT-E763,MT-E762,MT2020010116E,MT-E764,MT2020010128E,DX2020010202SW,DX2020010104SW,DX2020010127SW,PXIE-2218,PXIE-2214,MT2020010200S,PXIE-5841,MT2020010200M,MT2020010212M,DX2020010180SW,MT2020010103E,MT2020010115E,MT-E750,MT-E752,MT-E754,MT2020010127E,MT2020010103C,MT-E753,DX2020010116SW,DX2020010139SW,DX2020010094SW,MT2020010211M,DX2020010192SW,MT-E781,MT-E780,MT-E783,PXI-8512,MT-E782,MT2021010091KZQ,MT2020010118E,DX2020010201SW,MT2020010106E,DX2020010126SW,DX2020010149SW,PT-600,MT2020010202S,DX2020010103SW,MT2020010202M,MT2020010214M,MT2021010091JX,MT2020010129E,MT2021010099ROB,MT2020010105E,CI,MT2020010117E,DX2020010093SW,DX2020010115SW,DX2020010138SW,PXIE-2208,MT2020010201S,MT2020010213M,DX2020010191SW,MT2020010201M,DX2020010182SW,MT2020010108E,DX2020010204SW,DX2020010106SW,DX2020010129SW,MT2020010204S,MT2020010204M,MT2020010216M,MT-E791,MT-E794,RLD178011,MT-E793,DX2020010171SW,MT-E796,MT-E795,MT2020010119E,DX2020010194SW,MT2021010097ROB,PCI-5192,DX2020010118SW,DX2020010096SW,MT2020010203S,MT2020010203M,MT-E790,MT2020010215M,PWBU,PXI-1553B/4M-2,RED2015010096-05,MT2021010098ROB,DX2020010203SW,RED2015010096-07,PCI-5281,PCI-5282,DX2020010105SW,DX2020010128SW,PXI-4111,MT2020010206S,MT2020010206M,DX2020010181SW,PXI-4461,DX2020010193SW,PCI-5291,PCI-5292,MT2020010109E,PT-800E,DX2020010117SW,PXI-118U,MT2020010205S,DX2020010095SW,RED2015010096-03,MT-E710_RSE,DX2020010170SW,MT2020010205M,MT2021010093KZQ,PXI-67526,DX2020010184SW,DX2020010161SW,DX2020010206SW,PXI-67523,PXI-67522,PXI-67525,PXI-67524,PXI-67521,DX2020010108SW,MT-X517,PCI-6355,MT-X516,PCI-6356,PCI-6357,PCI-6358,PCI-6351,PCI-6352,PCI-6353,PCI-6354,MT-X511,MT-X510,MT-X513,PCI-6359,MT-X512,DX2020010173SW,DX2020010150SW,DX2020010196SW,PCI-5271,PT 800,MT-X506,PXI-1812,DX2020010098SW,MT-X507,PXI-1811,MT-X500,MT-X502,MT-X501,PXI-2214 系列,MT2020010130E,MT-X503,DX2020010160SW,DX2020010183SW,DX2020010205SW,PXI-9207,PXI-1961,DX2020010107SW,X104 系列,PXI-1601,MT-X531,MT-X410,MT-X530,MT-X533,MT-X412,MT-X532,MT-X411,MT2020010121E,MT-X535,MT-X414,MT-X534,MT-X413,MT-X537,MT-X536,DX2020010172SW,PT 800 系列,PXI-5192,DX2020010195SW,DX2020010119SW,MT-X527,PXI-1951,DX2020010097SW,MT-X520,MT-X522,MT-X401,MT-X521,MT-X400,MT-X524,MT-X403,MT-X523,MT-X402,MT-X526,MT2020010120E,MT-X525,MT-X404,PXI-6353,PXI-6352,DX2020010163SW,MT2020010112E,PXI-6351,MT2020010124E,MT2020010100C,DX2020010140SW,MT-X560,MT-E721,MT-X562,MT-E720,MT-X561,DX2020010186SW,MT-E722,PXI-6359,PXI-6358,PCI--29701,PXI-66112,PXI-6357,PCI--29702,PXI-6356,PCI--29703,PXI-6355,PCI--29704,PXI-6354,PCI--29705,PXI-1902,MT-X553,MT-X552,MT-X431,MT-X434,MT-X313,MT-X433,MT-X312,MT-X315,MT2020010111E,MT-X314,MT2021010090JX,DX2020010152SW,DX2020010198SW,MT2020010123E,PT-600E,MT-X551,MT-X430,MT-X550,DX2020010175SW,PT 600,MT-E712,MT-E713,MT-X421,MT-X420,MT-X423,MT-X301,MT-X304,MT2020010122E,MT-X424,MT2020010114E,DX2020010162SW,DX2020010185SW,MT2020010102C,PXI-6132,RLD176011-1,MT2020010102E,MT-E741,MT-E743,MT-E742,DX2020010109SW,PXI-1802,PXI-1801,PXI-1804,PXI-1803,MT2020010210M,MT-X575,MT-X574,MT-X213,MT-X215,MT-X217,MT2020010125E,MT2020010101C,DX2020010151SW,DX2020010174SW,DX2020010197SW,MT2020010101E,MT2020010113E,MT-E730,MT-X571,PXI-1553B/1M-2,MT-X570,MT2021010092KZQ,MT-E732,MT-X573,MT-E731,MT-X330,MT-X572,MT-E736,MT-E735,PXI-66101,PCI--29712,PCI--29713,PCI--29714,PCI--29715,DX2020010099SW,MT-X564,MT-X322,MT-X200,MT-X563,MT2020010100E,MT2020010099C,DX2020010142SW,DX2020010188SW,APU,DX2020010165SW,RED2015010098,RED2015010096,MT2020010098Z,RED2015010095,1553B,MT2020010098T,MT2020010195S,MT2020010195M,MT2020010098R,RED2015010094,RED2015010093,RED2015010092,E 系列,MT2020010098C,MT-X911,MT2020010098E,MT-X910,MT2020010097Z,DX2020010131SW,DX2020010177SW,DX2020010154SW,MT2020010097R,MT2020010194S,MT2020010097T,MT2020010194M,MT-X901,MT-E710_DIF,MT2020010097C,MT2020010097E,MT-X900,DX2020010141SW,MT2021010103ROB,MT2021010094ROB,DX2020010164SW,DX2020010187SW,PXI-1321,PXI-1323,PXI-1322,MT2020010197S,PXI-1561,PT-5206,PT-5208,PXI-1324,DX2020010130SW,DX2020010199SW,DX2020010153SW,DX2020010176SW,PXI-1551,PXI-1312,MT2020010099Z,PXI-1311,MT2020010196S,PXIE-2208 系列,PXI-1313,MT2020010196M,MT2020010099E,MT-X920,MT-X922,MT-X921,PXIE-2218 系列,DX2020010121SW,DX2020010167SW,DX2020010144SW,PT 800E,X110,MT2020010199S,MT2020010199M,X116,PXIE-9207,PXI-1502,MT2021010094KZQ,DX2020010110SW,DX2020010156SW,DX2020010133SW,PXI-1972,PXI-1971,DX2020010179SW,MT2020010198S,MT-E711_DIF,MT2020010198M,PXI -66104,X104,PXI -66103,PXI -66102,PXI -66105,DX2020010120SW,DX2020010143SW,DX2020010166SW,DX2020010189SW,MT-X610,MT-X612,MT-X611,MT-X614,MT-X613,DX2020010132SW,DX2020010155SW,DX2020010178SW,MT2021010102ROB,MON,MT-X605,MT-X604,MT-X607,MT-X606,PXI-1512,MT-X608,MT-X601,MT-X600,MT-X603,PXI-61420,XX,RLD177011,MT2020010209M,DX2020010123SW,MT-U808,DX2020010146SW,DX2020010169SW,MT-U800,MT-U801,PXI-25204,MT-U804,MT2020010208S,DX2020010100SW,MT2020010208M,DX2020010112SW,DX2020010135SW,DX2020010158SW,PXI-5851,PXI-2208 系列,PXI-25211,RLD177009,MT2020010207S,MT2020010

选型指南 - 瑞尔达 - 2023/10/7 PDF 中文下载

GPS模块电子围栏功能优势及应用

GPS模块其实属于遥感、物联网技术应用的硬件设备，获取通信卫星的定位信息，除了定位导航功能，还能登录到相应设备的物联网管理后台上，实时查看位置信息，并开启电子围栏功能，也就是防盗报警系统。所谓的电子围栏功能，是指周界防盗报警系统，GPS模块的电子围栏功能是通过检测预先设定的电子围栏区域，以及当下定位信息，实现远程监控实时报警的，比如在发生车辆被盗时及时追回。本文介绍GPS模块的电子围栏功能及应用。

技术探讨发布时间 : 2024-07-05