AB 1771-AM1 plc系统

易卖工控网（www.ymgk.com）提供”AB 1771-AM1 plc系统”，产品详情：品牌/厂家：其他品牌、型号：AB 1771-AM1、成色：全新、货期：期货 7天内发货、保修：365天，更多产品详情就上易卖工控网。

1． 定期保养

清扫空气过滤器冷却风道及内部灰尘。检查螺丝钉、螺栓以及即插件等是否松动，相间电阻是否有短路现象，正常应大于几十兆欧。导体及绝缘体是否有腐蚀现象，如有要及时用酒精擦拭干净。在条件允许的情况下，要用示波器测量开关电源输出各路电压的平稳性，测量驱动电路各路波形的方波是否有畸变。UVW相间波形是否为正弦波。接触器的触点是否有打火痕迹，严重的要更换同型号或大于原容量的新品；确认控制电压的正确性，进行顺序保护动作试验；确认保护显示回路无异常；确认变频器在单独运行时输出电压的平衡度。

建议定期检查，应一年进行一次。

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