1746-N04I控制系统模块
1746-N04I 控制系统模块
安装使用及维护 1、安装前应检查有关的技术数据(如额定电压、电流、操作频率延时范围等是否符合要求：) 2、安装时，应该按规定条件安装，继电器线圈的接线端子A1符号应朝上方，符合人的视觉习惯； 3、接线端螺钉应拧紧，检查接线正确无误后，应在主触头不带电情况下，先使吸引线圈通电分合数次，试验动作可靠后，才能投入使用； 4、使用时如发现有不正常噪音，可能是铁芯极面上有污物，请擦净极面； 5、使用中，应定期检查产品各部件，要求可动部件应无卡住，紧固件无松脱，零部件如有损坏，应及时更换。 传统接触器常见故障及维修 故障一：接触器相间短路 1.故障的可能原因 接触器在潮湿、尘土、水蒸气或者有腐蚀性气体的环境下工作造成短路；接触器灭弧罩损坏或者脱落；负载短路造成接触器触点同时短路；正、反接触器操作不当，加上连锁、互锁不可靠，造成换向时两只接触器同时吸合。
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