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3BSE013230R1
3BSE013230R1
3BSE013230R1
对DCS控制系统的安装有严格规定,选择有良好资质和施工经验的施工单位尤其重要。控制系统选型一旦确定后,施工单位的技术人员要一同介入控制系统设计、出施工图、制定施工措施和进行技术培训等。工程开工前,根据工期要求,制定严格的进度计划,并要求施工单位组织好施工力量,拿出他们的施工方案。在DCS安装、调试中尤其注意以下问题:
(1)施工中要注意盘柜与地的可靠绝缘和盘柜母线的叮靠接地,同时对孔洞等做防火处理,盘柜等要有防振动措施。
(2)敷设电缆时尤其要注意强电弱电分开,屏蔽线的可靠接地和抗干扰。在布线过程中要按照设计图纸施_[,在接线中,电缆及芯线标记要清晰完整,能长期保持;压接端子用绝缘管预装端头处理。
(3)要严格控制电子设备问的环境条件,注意搞好消防、空调、通风及照明等工作。尤其要提的是通风和空调,由于DCS控制系统温度要求严格,所以应尽早将空调系统投入运行,空调的出风口不能正对机柜或DCS其他电子设备,以免冷凝水渗透到设备内造成危害;同时,电子卡件决不允许有粉尘进入,所以,要求电子间能一直保持环境清洁和滤网干净,注意除湿和调整好温度。
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