797F and 797F XQ Off-Highway Truck/Tractor Braking System Caterpillar


Electronic Control Module (Brake)

Usage:

797F LAJ



图 1g01970795

制动器电子控制模块

(1) 发动机转速传感器

(2) 制动器冷却泵转速传感器

(3) 发动机风扇转速传感器

(4) 左后轮转速传感器

(5) 右后轮转速传感器

(6) 行车制动蓄能器的压力传感器

(7) 停车和辅助制动蓄能器压力传感器

(8) 行车制动器压力开关

(9) 停车和辅助制动器压力开关

(10) 差速器的滤清器旁通开关

(11) 制动泵的压力开关

(12) 差速器的润滑压力传感器

(13) 制动泵压力传感器

(14) 终传动润滑油的压力开关

(15) 空调低压开关

(16) 转向油缸的压力开关

(17) ARC 的转速开关

(18) TCS 测试开关

(19) ARC 接通/断开开关

(20) 空调模式开关

(21) 停车制动器的接通/断开开关

(22) 减速组件

(23) ECM 位置模式 0(开路)

(24) ECM 位置模式 1(接地)

(25) ECM 位置模式 2(开路)

(26) ECM 启用(接地)

(27) 辅助制动器踏板位置传感器

(28) 行车制动器踏板位置传感器

(29) 减速器操纵杆位置传感器

(30) 钥匙起动开关

(31) 制动器油温传感器

(32) 驾驶室空气温度传感器

(33) 驾驶室通风温度传感器

(34) 后差速器温度传感器

(35) 制动滤清器旁通开关

(36) 制动器冷却滤清器开关(右侧)

(37) 制动器冷却滤清器开关(左侧)(额外减速)

(38) 终传动滤清器旁通开关

(39) 风扇驱动机油滤清器的开关

(40) TCS 左侧和右侧制动器电磁阀

(41) TCS 比例电磁阀

(42) 终传动油的旁通电磁阀

(43) 前 ARC 的制动器电磁阀

(44) 制动器冷却分流器阀

(45) 冷却后桥的电磁阀

(46) 停车制动器电磁阀

(47) 后 ARC 的控制电磁阀

(48) 制动器电磁阀(卸荷阀)

(49) 后桥泵驱动油分流器电磁阀

(50) 制动器冷却泵驱动电磁阀

(51) 发动机冷却风扇电磁阀

(52) 终传动油的旁通电磁阀

(53) 空调压缩机离合器的继电器

(54) 空调冷凝器继电器

(55) 制动指示灯继电器




图 2g01970413

驾驶室前部典型视图

(1) 制动器电子控制模块(ECM)

制动器电子控制模块(ECM) (A) 是制动电控系统中的主要部件。 制动器 ECM (A) 位于驾驶室前部的舱室内。 制动器 ECM (A) 采用多个输入信号和输出信号。 图 1 显示了与制动系统相关的制动器电子控制系统的输入部件和输出部件。

制动器 ECM (1) 还控制以下系统:

  • 制动系统

  • 后桥润滑系统

  • 发动机冷却风扇转速

  • 空调压缩机离合器继电器和冷凝器继电器

  • 制动指示灯继电器

制动器 ECM 从图 1 中显示的部件接收各种输入。 制动器 ECM 利用这些输入来确定是否应该为 ARC 接合行车和减速制动器或未 TCS 接合停车和辅助制动器。 然后,输出部件启动,以施加 ARC 或 TCS。

参考操作和保养手册, SEBU8417 和维修手册, KENR8395, "797F 非公路用卡车制动系统电子控制系统"了解有关制动器 ECM 的更多信息。

Cat 数据链路用于与其他系统,例如维修手册, "动力传动系电子控制模块"、维修手册, "发动机电子控制模块"和维修手册, "重要信息管理系统"共享信息。

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