霍尔式速度传感器是根据霍尔效应原理，霍尔芯片通过检测目标齿轮输出与转速成正比的脉冲频率信号，通过列车系统软件换算成转速rpm信号及速度km/h信号
，从而实现车辆速度的检测。

差分霍尔芯片，三线制单通道电压型输出信号

Differential Hall-effect

Single channel 

3-wire voltage output signals

差分霍尔芯片，四线制双通道电压型输出信号，两路独立输出，S1、S2通道间相位差成90°，单/双芯片方案可选

Differential Hall-effect

Dual Channel

4-wire voltage output signals

Two independent signals output S1, S2 

90° Phase offset between S1 and S2

Optional: single or dual Hall-effect IC

差分霍尔芯片，两线制单通道、四线制双通道电流型输出信号

Differential Hall-effect

1- channel / 2-wire current output signals

2 - channel / 4-wire current output signals

差分霍尔芯片，七线制三通道电压型输出信号
三路独立输出，S1、S2通道间相位差成90°

Differential Hall-effect

3 - channel / 7-wire Voltage output signals

Three independent signals output S1, S2, S3

90° Phase offset between S1 and S2

A.

差分霍尔芯片，八线制四通道电压型输出信号

四路独立输出，S1、S2通道间相位差成90°，S3、S4通道间相位差成90°

B.

差分霍尔芯片，六线制四通道电压型输出信号
S1、S2通道间相位差成90°，S1/、S2/为同步反相信号

A.

Differential Hall-effect

4 - channel / 8 - wire voltage output signals

Four independent signals output S1, S2, ,S3, S4

90° Phase offset between channel 1 and channel 2

90° Phase offset between channel 3 and channel 4

B.

Differential Hall-effect

4 - channel / 6 - wire voltage output signals

2 channels, 90° Phase offset between S1 and S2 

S1/、S2/with inverse signals