Road Analysis Control (RAC) For Off-Highway Truck/Tractors Caterpillar


Events

Usage:

793B 1HL

事件类型

RAC 系统可灵活允许用户更改 RAC 事件类型组的触发值。 允许用户更改触发值,以适应各种高强度情况。 调整触发值也允许用户管理产生的事件值。 RAC 事件有三种类型组。

"Group - One(第一组)"

"Group - One" 是最灵敏的设定值,在相同运输周期情况下,相比 "Group -Two"(第二组)或 "Group - Three"(第三组),第一组将产生最多事件。 有良好运输道路维护的用户可直接使用 "Group - One"(第一组)的默认设置。 其他有着较少道路维护的地方,则需以 "Group-Two"(第二组)或 "Group-Three"(第三组)设置开始。 然后,随着运输道路的改善,可能会降低触发值的等级。 该步骤的主要目的是管理(减少)RAC 事件数。

"Group - One"(第一组)设定值与本手册中所讨论的工厂对部件寿命的设计指南一致。 "Group - One"(第一组)也是新 RAC 安装的默认设定值。

注: Caterpillar 建议所有应用都采用 "Group - One"(第一组)设定值。

"Group - Two(第二组)"

"Group -Two"(第二组)触发值是 "Group - One"(第一组)设定值的 1.35 倍。

"Group - Three(第三组)"

"Group-Three"(第三组)触发值是 "Group-One"(第一组)设定值的 1.7 倍。

事件类型的设置

为更改 "RAC Group Settings"(RAC 组设定值),将 VIMSpc 连接到机器。 这允许可通过 VIMS 键盘进行 "RAC Group Settings" (RAC 组设定值)的编程。 建立通信后,按下维修工具上的 "tab" 键,直到显示 "Status"(状态)屏幕。 通过 VIMS 键盘输入字母 "RAC"。 接着按"确定"键。 确认机器数据(例如系列号和 SMH)。 当前编程的事件类型将出现在 VIMS 消息中心上。 通过 VIMS 键盘输入所需 "Group"(组)设定值以更改类型。

  • 输入 "1" 以选择 "Group - One"(第一组),然后按下"确定"键。

  • 输入 "2" 以选择 "Group - Two"(第二组),然后按下"确定"键

  • 输入 "3" 以选择 "Group - Three"(第三组),然后按下"确定"键。

完成该步骤后,将钥匙启动开关转至断开位置,然后将钥匙启动开关转回接通位置。 现在启用了新组。

RAC 系统提供了将触发设定值增加至高于建议的 "Group - One"(第一组)的出厂默认值的能力。 但是,"Group - Two"(第二组)和 "Group -Three"(第三组)应仅在过渡阶段使用。 该目标是朝着 "Group-One"(第一组)设定值。 在 RAC 系统使用期间,随着运输道路状况的改善,使用的触发类型应逐渐降低,直到达到 "Group - One"(第一组)。

注: 由于在一些地方存在着这样的环境状况(大雨下降、道路用的建筑材料差等),一些地方可能无法启用 "Group - One"(第一组)设定值。

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