C175-16 Petroleum Generator Set Engines Caterpillar


Monitoring System

Usage:

C175-16 P5P

Cat 发动机监控系统

有关 Cat 发动机监控系统和电子控制模块(ECM)的更多信息,请参考适用于特定产品的故障诊断与排除手册。

发动机配备可编程的 Cat 监控系统。 电子控制模块(ECM)监控发动机的运转参数。 如果特定发动机参数超过允许值范围,ECM 会发出一个响应。 针对每个参数可能有三种不同的响应:"警告"、"减额"和"停机"。 有些响应对某些参数是无效的。 ET 维修工具用以执行下列工作:

  • 选择可用的响应。

  • 将等级编入监测程序。

  • 在每个反应内编入延迟时间。

参数的默认设置已在出厂时进行了编程。 为了适应特定应用和现场情况,可以用 ET 维修工具对参数进行重新编程。

ET 维修工具屏幕可以提供编程指导。 以下选项可以编程设定为"打开"或"关闭":"警告"、"减额"和"停机"。

ET 维修工具屏幕也可以为改变设定值提供指导。

发动机起动后,Cat 监控系统启用。 ECM 监测各个参数以确定这些参数是否超过设定值。

如果监测系统发出一个警报、减额或停机,该事件会被记录到 ECM。 即使参数编程在 "OFF(断开)"状态也会发生该流程。 如果一个参数的设定值超出范围,就会记录该事件。

任何传感器故障都将导致相应部分的监测系统无法工作。 传感器故障会造成该传感器的 "ACTIVE(激活)"诊断代码产生。

减额是累计值。 例如,减额 5% 后又减额 2%,其结果是总减额为 7%。 如果引起减额的状况未被纠正,减额将持续下去。

注: 发生警报、减额和停机前的最高发动机燃油温度为 70° C (158° F)

注: 监控系统的电压是不可配置的。 电压应保持在 18 VDC 和 32 VDC 之间。

有关编程设定 Cat 监控系统和操作参数的信息,参考故障排除手册, KCNR5454。

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