TMCM-3230 Hardware Manual • Hardware Version V1.30 | Document Revision V1.20 • 2019-MAR-01
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1 Features
The TMCM-3230 is a compact three axes 2-phase stepper motor controller and driver module. It provides
a complete motion control solution at a very small size for embedded applications. The board can be
easily plugged into a customized baseboard offering a single 68pin connector.
Host communication is possible via the serial UART interface (e.g. using a standard RS232 or RS485 level
shifter) or via CAN (CAN controller is already integrated on board). An additional USB interface (Micro-USB)
may be used for firmware updates, download of TMCL programs or setting of parameters - either in
system or stand-alone without any further connections.
The TMCM-3230 is supported by the intergated development environment TMCL-IDE v3.0. It supports
stand-alone TMCL program execution (on-board EEPROM) and remote controlled operation.
The TMCM-3230 has been designed with compatibily in mind with previous generation TMCM-343/TMCM-
303 modules - keeping similar mechanical and electrical characteristics (drop-in replacement for many
applications) while offering advanced features.
1.1 General Features
Main Characteristics
• Supply V12V to +24V DC nom. (9V..28.5V abs. max.)
• 1A RMS phase current (approx. 1.4A peak phase current)
• Up to 256 micro steps per full step
• Permanent onboard parameter storage (EEPROM)
• Advanced sixPoint™ ramp hardware motion controller (for each axis)
• Noiseless stealthChop™ chopper mode for slow to medium velocities
• High performance spreadCycle™ chopper mode
• High-precision sensorless load measurement with stallGuard2™
• Automatic current scaling algorithm coolStep™ to save energy and keep your drive cool
I/Os
• 8 general purpose inputs (0..5V) - either analog or digital
• 8 general purpose outputs (+5V level)
• L+R reference switch inputs (for all three axes)
• Shutdown input to power-on/-off drivers
• Alarm output
• Reset input
Communication Interfaces
• Standard CAN Bus Interface for control and configuration
• UART interface supporting e.g. RS232, RS422 or RS485 with external transceiver
• SPI master interface
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