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Features: 特征:

  • 17 ± 2 17 ± 2 17^(@)+-2^(@)17^{\circ} \pm 2^{\circ} Angular Rotation
    17 ± 2 17 ± 2 17^(@)+-2^(@)17^{\circ} \pm 2^{\circ} 角度旋转
  • 45 ± 2 45 ± 2 45^(@)+-2^(@)45^{\circ} \pm 2^{\circ} Pedal Angle  45 ± 2 45 ± 2 45^(@)+-2^(@)45^{\circ} \pm 2^{\circ} 踏板角度
  • Single Ratiometric APS output
    单比率 APS 输出
  • Dual IVS Switch 双 IVS 交换机
  • Electronics IP66 Sealed 电子元件 IP66 密封
  • + 5 V + 5 V quad+5V\quad+5 \mathrm{~V} Operation  + 5 V + 5 V quad+5V\quad+5 \mathrm{~V} 操作
  • 40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} to + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C} Operation
    40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C} Operation
  • Amp Econoseal J-series connector
    Amp Econoseal J 系列连接器
  • Protected against Electrical Misconnection
    防止电气错误连接

Connector Pin Configuration
连接器引脚配置

Applications: 应用:

  • Truck Throttle with Position Sensor
    带位置传感器的卡车油门

Description 描述

The WM-526 Electronic Floor Pedal Assembly is designed to provide a signal to the motor control system in response to the driver’s request for vehicle power. A sensor is employed which provides a voltage output proportional to the angular displacement of the treadle. It also provides an independent switched output that closes when the pedal is in the idle position and a second output that closes when the throttle is active.
WM-526 电子地板踏板组件旨在响应驾驶员对车辆动力的要求,向电机控制系统提供信号。采用传感器,提供与踏板角位移成正比的电压输出。它还提供一个独立的开关输出,当踏板处于怠速位置时关闭,第二个输出在油门激活时关闭。
WILLIAMS CONTROLS WILLIAMS 控件 PROCEDURE NAME: 过程名称: DEPT: 部门: 030
Williams Customer Specification Form
Williams 客户规格表
DOCUMENT NUMBER: 文件编号: WQF-030-021 REVISION LEVEL: 修订级别: A DATE EFFECTIVE: 生效日期: 11/13/07 DAF# 达夫# 00396
QEMS Representative QEMS 代表 Mary Knight 玛丽·奈特 Process Owner 流程所有者 Michael Cooper 迈克尔·库珀 Department Manager 部门经理 Scott Thiel 斯科特·蒂尔
WILLIAMS CONTROLS PROCEDURE NAME: DEPT: 030 Williams Customer Specification Form DOCUMENT NUMBER: WQF-030-021 REVISION LEVEL: A DATE EFFECTIVE: 11/13/07 DAF# 00396 QEMS Representative Mary Knight Process Owner Michael Cooper Department Manager Scott Thiel | WILLIAMS CONTROLS | | PROCEDURE NAME: | | DEPT: | | 030 | | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | | Williams Customer Specification Form | | | | | | | DOCUMENT NUMBER: | WQF-030-021 | REVISION LEVEL: | A | DATE EFFECTIVE: | 11/13/07 | DAF# | 00396 | | QEMS Representative | Mary Knight | Process Owner | Michael Cooper | | Department Manager | Scott Thiel | |

Absolute Maximum Electrical/Mechanical Ratings
绝对最大电气/机械额定值

Supply Voltage (VCC) 电源电压 (VCC) 5 V ± 0.5 V 5 V ± 0.5 V 5V+-0.5V5 \mathrm{~V} \pm 0.5 \mathrm{~V}
Output Current (APS output)
输出电流 (APS 输出)
0 30 mA 0 30 mA 0-30mA0-30 \mathrm{~mA}
IVS Supply(+) IVS 供应 (+) 0 V to 32 V
0 V 至 32 V
Operating Temperature 工作温度 40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} to + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}  40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
Storage Temperature 储存温度 40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} to + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
APS short circuit duration to ground
APS 对地短路持续时间
20 minutes 20 分钟
APS short circuit duration to VCC
APS 到 VCC 的短路持续时间
20 minutes 20 分钟
Static Load Limit 静载荷限制 1500 N measured 150 mm from pivot of treadle, normal to treadle surface.
1500 N 从踏板枢轴测量 150 毫米,垂直于踏板表面。
Supply Voltage (VCC) 5V+-0.5V Output Current (APS output) 0-30mA IVS Supply(+) 0 V to 32 V Operating Temperature -40^(@)C to +85^(@)C Storage Temperature -40^(@)C to +85^(@)C APS short circuit duration to ground 20 minutes APS short circuit duration to VCC 20 minutes Static Load Limit 1500 N measured 150 mm from pivot of treadle, normal to treadle surface.| Supply Voltage (VCC) | $5 \mathrm{~V} \pm 0.5 \mathrm{~V}$ | | :--- | :--- | | Output Current (APS output) | $0-30 \mathrm{~mA}$ | | IVS Supply(+) | 0 V to 32 V | | Operating Temperature | $-40^{\circ} \mathrm{C}$ to $+85^{\circ} \mathrm{C}$ | | Storage Temperature | $-40^{\circ} \mathrm{C}$ to $+85^{\circ} \mathrm{C}$ | | APS short circuit duration to ground | 20 minutes | | APS short circuit duration to VCC | 20 minutes | | Static Load Limit | 1500 N measured 150 mm from pivot of treadle, normal to treadle surface. |
Operation of this device beyond absolute maximum ratings may result in permanent damage.
超出绝对最大额定值运行本设备可能会导致永久性损坏。

Vehicle System Safety Information
车辆系统安全信息

During FMEA analysis (Failure Modes and Effects Analysis, a.k.a. Hazard Analysis), Williams Controls (WMCO) has identified the following potential failure mode of its Non Contact Sensors that can not be mitigated within the sensor assembly:
在 FMEA 分析(故障模式和影响分析,又名危害分析)期间,Williams Controls (WMCO) 已确定其非接触式传感器的以下潜在故障模式,这些模式无法在传感器组件内缓解:
  • Sensor output APS1 or APS2 (applicable for Dual APS Sensor only) or APS or IVS output (applicable for APS/IVS Sensors only) could get “electrically stuck” at an arbitrary output signal level (for APS only - IVS could get stuck at High or Low signal level) within the operating range of the sensor
    传感器输出 APS1 或 APS2(仅适用于双 APS 传感器)或 APS 或 IVS 输出(仅适用于 APS/IVS 传感器)可能在传感器工作范围内的任意输出信号电平(仅适用于 APS - IVS 可能卡在高或低信号电平)处“电卡住”
This potential failure mode can not be detected and/or resolved within the sensor assembly itself and diagnostic information about this issue can not be transmitted and/or generated by the sensor assembly, but must be detected by the vehicle powertrain control system(s). To mitigate this potential failure mode, WMCO designed and released sensors feature a “Dual Redundant Output” concept. This sensor will produce two electrically independent output signals that are in direct correlation with each other.
这种潜在的故障模式无法在传感器组件本身中检测和/或解决,有关此问题的诊断信息不能由传感器组件传输和/或生成,而必须由车辆动力总成控制系统检测。为了减轻这种潜在的故障模式,WMCO 设计并发布了具有“双冗余输出”概念的传感器。该传感器将产生两个彼此直接相关的电独立输出信号。

To mitigate the risk named above, Williams Controls strongly recommends using the sensor’s built-in redundancy feature. The first APS signal would be used as the source of accelerator position signal information, and the second APS signal (or IVS signal, depending on sensor type) would be used for diagnostic purposes only. The comparison of the second (diagnostic) signal with the first (accelerator position) signal enables the vehicle to fully detect the described “electrically stuck” output failure mode.
为了降低上述风险,Williams Controls 强烈建议使用传感器的内置冗余功能。第一个 APS 信号将用作加速器位置信号信息的来源,第二个 APS 信号(或 IVS 信号,取决于传感器类型)将仅用于诊断目的。第二个 (诊断) 信号与第一个 (油门位置) 信号的比较使车辆能够完全检测到所描述的 “电卡住 ”输出故障模式。

Software algorithms specifically designed for this purpose (e.g. “stuck throttle routine”, “stuck pedal routine”…) are commonly used in the industry and known to mitigate this risk.
专门为此目的设计的软件算法(例如“卡住的油门例程”、“卡住的踏板例程”等)在行业中很常用,并且已知可以减轻这种风险。
PROCEDURE NAME: 过程名称:

部门: 030 元
DEPT:
030
DEPT: 030| DEPT: | | :--- | | 030 |
Williams Customer Specification Form
Williams 客户规格表
DOCUMENT NUMBER: 文件编号: WQF-030-021 REVISION LEVEL: 修订级别: A DATE EFFECTIVE: 生效日期: 11/13/07 DAF# 达夫# 00396
QEMS Representative QEMS 代表 Mary Knight 玛丽·奈特 Process Owner 流程所有者 Michael Cooper 迈克尔·库珀 Department Manager 部门经理 Scott Thiel 斯科特·蒂尔
https://cdn.mathpix.com/cropped/2025_06_27_465200ff9bc254a6a23dg-2.jpg?height=129&width=606&top_left_y=2334&top_left_x=199 PROCEDURE NAME: "DEPT: 030" Williams Customer Specification Form DOCUMENT NUMBER: WQF-030-021 REVISION LEVEL: A DATE EFFECTIVE: 11/13/07 DAF# 00396 QEMS Representative Mary Knight Process Owner Michael Cooper Department Manager Scott Thiel | ![](https://cdn.mathpix.com/cropped/2025_06_27_465200ff9bc254a6a23dg-2.jpg?height=129&width=606&top_left_y=2334&top_left_x=199) | | PROCEDURE NAME: | DEPT: <br> 030 | | | | | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | | Williams Customer Specification Form | | | | | | | DOCUMENT NUMBER: | WQF-030-021 | REVISION LEVEL: | A | DATE EFFECTIVE: | 11/13/07 | DAF# | 00396 | | QEMS Representative | Mary Knight | Process Owner | Michael Cooper | | Department Manager | Scott Thiel | |

Mechanical Validation 机械验证

  • 3 × 10 6 3 × 10 6 3xx10^(6)3 \times 10^{6} Full Stroke Cycles at 1 Hz
    3 × 10 6 3 × 10 6 3xx10^(6)3 \times 10^{6} 1 Hz 时的全行程循环
  • Static Loading to 1500 N Actuation Force
    静态负载至 1500 N 驱动力

Environmental Validation (Refer to Williams Spec WDS-010)
环境验证(参见威廉姆斯规范 WDS-010)

  • Thermal Cycle / Stress 热循环/应力
SAE J1455 40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} to + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
SAE J1455 40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
  • Thermal Shock 热冲击
    40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} to + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
    40 C 40 C -40^(@)C-40^{\circ} \mathrm{C} + 85 C + 85 C +85^(@)C+85^{\circ} \mathrm{C}
  • Humidity 湿度
120 hour exposure at 95 % 95 % 95%95 \% humidity from + 27 C + 27 C +27^(@)C+27^{\circ} \mathrm{C} to + 75 C + 75 C +75^(@)C+75^{\circ} \mathrm{C}
在湿度 + 27 C + 27 C +27^(@)C+27^{\circ} \mathrm{C} + 75 C + 75 C +75^(@)C+75^{\circ} \mathrm{C} 95 % 95 % 95%95 \% 暴露 120 小时
  • Mechanical Vibration 机械振动
Random broadband 5 500 Hz 5 500 Hz 5-500Hz5-500 \mathrm{~Hz}, 4.0
随机宽带 5 500 Hz 5 500 Hz 5-500Hz5-500 \mathrm{~Hz} , 4.0

G’s G 的
  • Salt Spray Exposure 盐雾暴露
ASTM B-117 96 hr exposure
ASTM B-117 96 小时暴露
  • Dust Exposure 粉尘暴露
24 Hr exposure, pedals cycled
24 小时曝光,踏板循环

Regulatory Validation 监管验证

  • FMVSS-124 RTI Certification
    FMVSS-124 RTI 认证
Per Federal regulations 根据联邦法规
  • FMVSS-302 Flammability FMVSS-302 可燃性
Per Federal regulations 根据联邦法规
  • Chemical Exposure 化学品暴露
Diesel fuel, brake fluid, antifreeze, and plastic protectant exposure.
柴油、制动液、防冻液和塑料保护剂暴露。
  • Pressure Wash 压力清洗
250 psig detergent at + 75 C 40 + 75 C 40 +75^(@)C-40+75^{\circ} \mathrm{C}-40 minute exposure, 0.05 rpm 1000 psig water at + 75 C 40 + 75 C 40 +75^(@)C-40+75^{\circ} \mathrm{C}-40 minute exposure, 0.05 rpm
250 psig 洗涤剂,每分钟暴露时 + 75 C 40 + 75 C 40 +75^(@)C-40+75^{\circ} \mathrm{C}-40 0.05 rpm 1000 psig 水,每分钟暴露时 + 75 C 40 + 75 C 40 +75^(@)C-40+75^{\circ} \mathrm{C}-40 0.05 rpm
  • Mechanical Shock SAE J1455 One meter drop to concrete with additional harness drop test.
    机械冲击 SAE J1455 从 1 米高处跌落至混凝土地面,并进行额外的安全带跌落测试。
WILLIANS CONTROLS WILLIANS 控件 PROCEDURE NAME: 过程名称: DEPT: 部门: 030
Williams Customer Specification Form
Williams 客户规格表
DOCUMENT NUMBER: 文件编号: WQF-030-021 REVISION LEVEL: 修订级别: A DATE EFFECTIVE: 生效日期: 11/13/07 DAF# 达夫# 00396
QEMS Representative QEMS 代表 Mary Knight 玛丽·奈特 Process Owner 流程所有者 Michael Cooper 迈克尔·库珀 Department Manager 部门经理 Scott Thiel 斯科特·蒂尔
WILLIANS CONTROLS PROCEDURE NAME: DEPT: 030 Williams Customer Specification Form DOCUMENT NUMBER: WQF-030-021 REVISION LEVEL: A DATE EFFECTIVE: 11/13/07 DAF# 00396 QEMS Representative Mary Knight Process Owner Michael Cooper Department Manager Scott Thiel | WILLIANS CONTROLS | | PROCEDURE NAME: | DEPT: | | 030 | | | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | | Williams Customer Specification Form | | | | | | | DOCUMENT NUMBER: | WQF-030-021 | REVISION LEVEL: | A | DATE EFFECTIVE: | 11/13/07 | DAF# | 00396 | | QEMS Representative | Mary Knight | Process Owner | Michael Cooper | | Department Manager | Scott Thiel | |