3516C Petroleum Well Service Engine Caterpillar


Monitoring System

Usage:

3516C JB6

Cat 监控系统

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。 每个参数可能具有以下三种响应:"WARNING(警告)", "DERATE(减额)" 和 "SHUTDOWN(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。 下列选项可以编程为 "ON(接通)"或 "OFF(断开)":"WARNING(警告)", "DERATE(减额)" 和 "SHUTDOWN(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。 当发动机转速超过低怠速之下 50 转/分时,ECM 开始检查参数。 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。 有关 Cat 监控系统编程和默认设定值的信息,请使用合适的 ET 维修工具,并参考维修手册, "故障诊断与排除"模块。

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