This application note describes how to drive three bipolar stepper motors in a daisy chain configuration.
This document describes how to control multiple bipolar stepper motors using the L6470 motor driver in a daisy chain configuration. It details the hardware requirements, including the use of EVAL6470H demonstration boards and the STEVAL-PCCO09V2 interface board, as well as the necessary software installation for the dSPIN evaluation tool.
The guide provides instructions on characterizing stepper motors, setting up the hardware interconnection, and controlling individual motors for position and speed. It also includes a section on running motor evaluations and measuring motor back-EMF constants to optimize performance.
| Maximum motors in daisy chain | eight |
|---|---|
| Power supply voltage range | 8 V to 45 V |
| Software version requirement | revision 1.7 or higher |
| Default maximum speed | 991.821 steps/sec |
| Motor model used in evaluation | Schneider Electric M-2222-2.4S |
Up to eight stepper motors can be controlled in a daisy chain configuration using a single interface board.
A DC power supply with a voltage output between 8 V and 45 V is required.
The dSPIN evaluation tool (revision 1.7 or higher) is required to control the motors.