1771-OB
1771-OB
产品价格:¥1(人民币)
  • 规格:1771-OB
  • 发货地:福州
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  • 最小起订量:1个
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    会员级别:钻石会员
    认证类型:企业认证
    企业证件:通过认证

    商铺名称:福州聚福兴自动化有限公司

    联系人:陈先生(先生)

    联系手机:

    固定电话:

    企业邮箱:20886962@qq.com

    联系地址:仓山

    邮编:350001

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      1771-OB


      DCS系统故障诊断步骤
        DCS系统一旦出现故障,正确分析和诊断故障发生的部位是当务之急。故障的诊断就是根据经验,参照发生故障的环境和现象,来确定故障的部位和原因。这种诊断方法因DCS系统产品不同而有一定差别。
        1)是否为使用不当引起的故障。这类故障常见的有供电电源错误、端子接线错误、模板安装错误、现场操作错误等。
        2)是否为DCS系统操作错误引起的故障。这类故障常见的有某整定参数整定错误、某设定状态错误造成的。
        3)确认是现场仪表设备故障还是DCS系统故障。若是现场一次仪表故障,修复相应现场仪表。
        4)若是DCS系统本身的故障,应确认是硬件毛病或是软件故障。
        5)若是硬件故障,找出相应的硬件部位,更换模板。 6)若是软件故障,还应确认是系统软件或是应用软件故障。
        7)若是系统软件有故障,可重新启动看能否恢复,或重新装载系统软件重新启动。
        8)若是应用软件故障,可检查用户编写的程序和组态的所有数据,找出故障原因。
        9)利用DCS系统的自诊断测试功能,DCS系统的各部分都设计有相应的自诊断功能,在系统发生故障时一定要充分利用这一功能,来分析和判断故障的部位和原因。

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