电动机的选择主要有电动机的类型、结构型式、容量、额定电压与额定转速。电动机选择的基本原则是:(1)根据生产机械调速的要求选择电动机的种类。(2)工作过程中电动机容量要得到充分利用。(3)根据工作环境选择电动机的结构型式。应该强调,在满足设计要求情况下优先考虑采用结构简单,价格便宜,使用维护方便的三相交流异步电动机。
HONEYWELL 51204172-175
电动机的选择主要有电动机的类型、结构型式、容量、额定电压与额定转速。
电动机选择的基本原则是:
(1)根据生产机械调速的要求选择电动机的种类。
(2)工作过程中电动机容量要得到充分利用。
(3)根据工作环境选择电动机的结构型式。
应该强调,在满足设计要求情况下优先考虑采用结构简单,价格便宜,使用维护方便的三相交流异步电动机。
简单,专注,没有借口。服务客户,成就我们。
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在固态控制系统中,正确的接地和布线路径有助于限制由于电磁干扰(EMI)所产生的噪声影响。
接地连接如下布置:从控制器的接地螺丝先接到接电母排,再连接到其他设备。使用AWG #14导
线。对于交流型控制器,必须采用这种连接以达到安全目的。
所有连接到RS-232/485通讯端口的设备必须接到控制器参考地,或者悬浮(不是接参考地而是接
实际地)。如果不遵照此步骤可能导致财产损失或人身伤害。
? 对于1766-L32BWA和1766-L32BWAA控制器,传感器电源的COM端已在内部与框架地相连。24V直
流电源不用于输出电路。它仅用于为输入装置提供电源。
? 对1766-L32BXB和1766-L32BXBA控制器, 电源的VDC NEUT或公共端同样在内部与框架地相连。
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