Datasheet

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reach 2500mA. After stable operation, the working current does not exceed

600mA.

Data communication interface

The RPLIDAR A3M1 takes the 3.3V-TTL serial port (UART) as the communication

interface. The table below shows the transmission speed and the protocol

standard.

Figure 2-8 RPLIDAR Serial Port Interface Specifications

Note: the RX input signal of A3M1is current control type. In order to ensure the

reliable signal identification inside the system, the actual control node voltage of

this pin will not be lower than 1.6v.

Scanner Motor Control

The RPLIDAR A3M1 is embedded with a motor driver which has speed tuning

feature. Users can control the start, the stop and the rotating speed for the motor

via MOTOCTL in the interface. MOTOCTL can be supplied using PWM signal with

special frequency and duty cycle, and in this mode, the rotating speed is decided

by the duty cycle of the input MOTOCTL PWM Signal.

The following table describes the requirement for the input PWM signal of

MOTOCTL: