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确定了目标重量值，则马上可得到限位值：下限限位值TU1为464g。但考虑产品包装的平均重量值为472g，所以少部分产品包装欠重只要不*过规定的量值仍然是允许的。包装袋标签净重值为454g，查规定300g-500g的产品可允许短缺量为3%，即11.62g，所以可将下限限位值设定为462g，此时剔除率为0.62%。上限限位值TO1可按下限限位值与目标重量值的对称关系定为482g，也可根据剔除数量的百分比要求设定，当*重产品无须剔除时，也可不设定上限限位值。例2：某产品目标重量值为1203g，限位值设定为：TU1为1191g，TU2为1173g，TO1为1215g，TO2为1233g。查表11-1可知允许短缺量是产品净重的1.5%，这大致是1200×0.15=18g，现在目标重量值与TU1相差12g，远小于允许短缺量；而且目标重量值与TU2相差30g，差值不是TU1差值两倍的关系；该检重秤的标准偏差值σ为4.452g，3σ约为13.4g，也大于12g。由此可见，限位值是按现场运行情况设定的。从图中数据可见，剔除的产品数13占该批产品总数212的6%，偏大了一点，而产品重量的平均值为1204.16g，则较为理想。用作重量检验的检重秤在投运前要对设定值进行设定，这关系到检重秤的正常运行，也关系到减少溢装量、提高企业的经济效益，因此应该受到检重秤运行维护人员的重视。本文探讨的几种检重秤限位值和设定值设定方法可供大家参考西门子模块代理商|潮州PLC模块代理商

Motors/gear units and connection systems from Siemens Product Partners

Note

Siemens Product Partners are third-party companies outside of Siemens AG and its associated companies. Information and descriptions of products from the Siemens Product Partners are non-binding and are the responsibility of the Siemens Product Partner. These products are independently manufactured by the respective, responsible Siemens Product Partner and are sold and delivered by said partner according to its business and delivery terms.
Insofar as it is not compulsory by law, Siemens assumes no liability or warranty for these products or for the connection to these products of the Siemens Product Partners. Please also note the information on the exclusion of liability/use of hyperlinks (see More information).

Motors/gear units

Motor from ebm-papst and motor from Dunkermotoren

Fully compatible motors and geared motors for SIMATIC MICRO-DRIVE

From the portfolios of the Siemens Product Partners1)
Dunkermotoren and ebm-papst

Various combinations are available with the following components:

Motor西门子模块代理商|潮州PLC模块代理商

Planetary gearbox

Hall-effect sensors

Encoder (incremental encoder)

Optionally with holding brake

Individual motor-gearbox combinations for the quick configuration during the bidding phase (not for series purchasing) can be ordered via the Siemens Industry Mall

Complete sets can be ordered via the web shops of the Siemens Product Partners:
https://www.dunkermotoren.com/simatic-micro-drive
https://idt-config.ebmpapst.com/simatic-micro-drive

Delivery time of preferred types西门子模块代理商|潮州PLC模块代理商

Preferred types are components from Siemens Product Partners that will be shipped within 5 work days.
The shipping time must be added to the delivery time. Availability of the individual components is a prerequisite.

1) Information on the Siemens Product Partners: https://www.siemens.com/productpartner

Connection system

KnorrTec plug-in cable for SIMATIC MICRO-DRIVE

Fully compatible plug-in cables for SIMATIC MICRO-DRIVE

From the portfolios of the Siemens Product Partners1)HARTING and KnorrTec

Pre-assembled at both ends西门子模块代理商|潮州PLC模块代理商

Different versions available for different requirements

Individual cable lengths for the quick configuration during the bidding phase (not for series purchasing) can be ordered via the Siemens Industry Mall

Complete sets can be ordered via the web shops of the Siemens Product Partners:
https://www.harting.com/US/en/solutions/siemens-product-partner-simatic-micro-drive
https://www.knorrtec.de/eshop.php?seourl=simatic_micro-drive.html&s_language=english

1) Information on the Siemens Product Partners: https://www.siemens.com/productpartner

PPP plug-in cables for SIMATIC MICRO-DRIVE as of V1.0

In the following you will find an overview of all the plug-in cables that are required between the PDC Drives and the motors or geared motors:

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Motor size	Motor power W	Motor connector Size	Drive controller
			PDC100/ PDC100F	PDC600/ PDC600F/ PDC1000 V1	F-TM ServoDrive ST F-TM ServoDrive HF
For 48 V DC
PDC connector			Weidmüller, small	Phönix, large
ECI42.20	46	M12	LAiO2	LAiO20	CSD_LAiO2
ECI42.40	92
ECI63.20	150
ECI63.40	280
ECI63.60	370
ECI80.40	503	M23	-	LPMo3
ECI80.60	754
Plug-in encoder cable			-	LPEn2
Plug-in brake cable			LPBr2	LPBr2

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Plug-in cables for Dunkermotoren motors
Motor size
	For 40 V DC
BG45x30	90	M16	LAiO1	LAiO10	CSD_LAiO1
BG65Sx50	186
BG75x50	400	M17	LPMo1
BG95x40	717
BG95x80	1109	LPEn1			LPBr1	LPBr1

Legend

LAiOx = all-in-one connecting cable, single-cable system (all signals in one plug-in cable, motor phases, Hall-effect sensor, incremental encoders, power supplies)

LPMox = plug-in motor cable

LPEnx = plug-in encoder cable

LPBrx = plug-in brake cable

更多信息Note西门子模块代理商|潮州PLC模块代理商

Exclusion of liability/use of hyperlinks

Siemens has composed this description with great care. However, it is not possible for Siemens to perform a check of the completeness, correctness and up-to-datedness of the data provided by Siemens Product Partners. Therefore, it cannot be ruled out that individual data may be incorrect, incomplete, or not up-to-date. Siemens does not assume any liability in this case, nor for the usability of the data or of the product for the user, unless the liability is compulsory by law.西门子模块代理商|潮州PLC模块代理商

This document contains addresses of third-party web pages. Siemens accepts no responsibility for the contents of these web sites, nor does Siemens adopt these web sites and their contents as its own, as Siemens cannot check the information presented there and is also not responsible for the content and information provided on them. The user uses these web sites at his own risk.

加料装置加料454g的变化值为13g，产品包装的重量数据接近理想的正态分布，其平均重量值为477g，标准偏差为4g。由于平均重量值远*过包装袋的“标签重量”(毛重)值，*装量偏大，故按“标签重量”(毛重)值加2倍标准偏差8g来确定目标重量值，即为464+8=472g，包装产品重量等于大于464g比例为97.73%，即2σ范围内的概率95.45%再加上余下比例的一半(*重、欠重各占一半)的2.28%，此时欠重部分为2.27%。西门子模块代理商|潮州PLC模块代理商
。CMA是China Metrology Accredidation(中国计量/认可)的缩写。**CMA实验室资质认定(计量认证)合格证书的独立法人资格的检测机构可按证书上所批准列明的项目，在检测(检测、测试)证书及报告上使用CMA标志。CMA是检测机构计量订证合格的标志，具有此标志的机构为合法的检验机构。根据《人民共和国产品质量法》的有关规定，在中国境内从事面向社会检测，检验产品的机构，必须具有独立法人资格且由地区或省级计量管理部门会同评审机构评审合格，依法设置或依法授权后，才能从事检测，检验活动。计量订证考核的内容重要是人员的资格(水平)、检验设备仪器的准确、精密程度，是否有必要的工作场地和工作条件，是否有健全的工作、管理规程、规章制度，是否有正确的工作依据和检验方法等。所有向社会出具公性的质量机构必须获得“CMA计量认证”资质，否则构成违法。CMA计量认证是国内的标准，出具的是计量检定。因检定则必须依据《检定规程》规定的量值误差范围，给出测量装置合格与不合格的判定。*出《计量检定规程》规定的量值误差范围为不合格，在规定的量值误差范围之内则为合格。检定的是给出“检定”，检定证书在国内具有法律效力。
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