793F and 797F Off-Highway Trucks Power Train Electronic Control System Caterpillar


Electrical Output Components

Usage:

793F D3T

电磁阀




图 1g01114964

"ECPC 离合器 1" 电磁阀

"ECPC 离合器 2" 电磁阀

"ECPC 离合器 3" 电磁阀

"ECPC 离合器 4" 电磁阀

"ECPC 离合器 5" 电磁阀

"ECPC 离合器 6" 电磁阀

注: "ECPC 离合器 7" 电磁阀仅为 797F 卡车上的部件。




图 2g01340348

机具切断电磁阀

设计这些电磁阀旨在控制压力板。 压力板允许变速箱变速箱正确换档。 变速箱 ECM 控制需要的任何功能,以便通过决定变速箱换档点来给变速箱换档。 下面列出了决定换档点的基本电气功能。

实际档位控制 - "实际档位控制"功能控制液压执行器的移动,其控制变速箱离合器,以便使变速箱挂档。

双 TOS 核查 - "双 TOS 核查"功能是两个测量的"变速箱输出转速"和变速箱输入转速之间的冗余检查,以便确保 ECM 计算精确的变速箱转速。

换档逻辑 - "换档逻辑"功能决定来自位于驾驶室的换档控制台上的换档杆的所需变速箱档位和"变速箱输出转速(TOC)"。

机器速度计算 - "机器速度计算"功能将"变速箱输出转速(TOC)"转换为机器速度(也被称为行驶速度)。

平顺换档逻辑 - "平顺换档逻辑"提供保护以防"变速箱振荡"。 变速箱振荡被认为是变速箱控制系统搜寻最匹配当前速度和负载情况的变速箱档位过程中发出过多指令。

锁定离合器控制 - "锁定离合器控制"从变矩器输入轴到变矩器输出轴的机械连接。 该机械连接有效地将"动力传动系"与发动机相连。 此功能还包括锁定"离合器计数器",记录换档至直接驱动的次数。

受控油门换档(CTS) - "受控油门换档(CTS)"功能在错误换档逻辑控制下为所有不降低的档位提供更平稳的换档(例如,这些档位仅自前进档换至前进档,或倒档至倒档)。

换向管理 - "换向管理"功能减少错误换档时的传动系应力。 此功能还包括"倒档换档限止"和"禁止空档滑行"。

倒档换档限止 - "倒档换档限止"功能防止变速箱在高速行驶时进入倒档。 该功能有助于防止换向期间损坏变速箱。

禁止空档滑行 - "禁止空档滑行"限制机器在高速时空档行驶,以便帮助延长变速箱使用寿命。

最高档位限制 - "最高档位限制"功能可通过 "CAT ET" 对值进行编程。 该功能将防止变速箱档位在任何情况下超出规定档位限制。

换档计数器 - "换档计数器"功能可通过 "CAT ET" 使用,以便决定操作员的变速箱用法特性。

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