6ES5927-3KA13控制器
¥999.00
6ES5927-3KA12正品
¥999.00
西门子 6ES5927-3SA12
电气柜、操纵台(包括分线盒、走线槽、电缆夹等加工件)的设计以机械图为主,其总体设计要求与应***的有关标准与其他电气控制系统基本相同。此外,在设计电气柜、操纵台时,应根据PLC对安装环境的要求进行,并重点注意以下事项。
(1)安装空间●
电气控制柜、操纵台设计首先应***内部有足够的安装与维修空间,确保PLC与其他电器间的空间距离,***安装部位通风良好。
电气控制柜、操纵台的安装高度、操纵高度、内部电器元件的绝缘间距、电气防护措施等必须执行国际、国家以及行业的有关标准,并且符合人机工程学原理。
(2)密封与隔离
电气控制柜、操纵台原则上应进行密封,并需要同时考虑到密封后的散热空间要求。电气控制柜、操纵台的内部空间,不仅要***电器元件的安装需要,同时还需要***有足够的散热面积,在工作环境较恶劣的场合,安装空调或热交换器,以帮助散热。
当系统中使用高压设备、强干扰设备(如大功率晶闸管、高频感应加热器、高频焊接设备等)时,PLC原则上不应与以上设备安装在同一电气柜内。实在无法避免时‘,应通过高压防护、电磁屏蔽等措施,在电气柜内部进行隔离。
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