Introduction
The DMX-UMD is an integrated step motor system with encoder, driver, and controller capabilities, supporting USB 2.0 and RS-485 communication. It is compatible with Windows and Linux, offering drivers and sample source code for development.

Electrical and Thermal Specifications
The device operates on +12 to +48 VDC with a peak current of 3 A. It functions within a temperature range of -20°C to +80°C and includes opto-isolated inputs and outputs.

Dimensions
Detailed dimensions for NEMA 17 and NEMA 23 models are provided to assist with installation.

Motor Specifications
Includes electrical specifications and torque curves for NEMA 17 and NEMA 23 motors, detailing current, torque, resistance, inductance, and inertia.

Connections
Information on 4-pin and 14-pin connectors is provided, including pin descriptions and interface circuit details.

Getting Started
Guidance on initial setup, including installing the correct USB driver and using the Windows GUI for control and monitoring.

Motion Control Overview
Covers motion profiles, speed changes, positional moves, homing, and jogging procedures.

Communication
Details on USB and RS-485 communication protocols, including ASCII language specifications and error codes.

Standalone Programming
Instructions for programming the device independently, including language specifications and command functions.

Key Features
- Integrated motor control with encoder feedback.
- USB 2.0 and RS-485 communication options.
- Comprehensive motion control capabilities.
- Standalone programming support.

Critical Information
- Ensure firmware compatibility as per the listed version.
- Follow electrical and thermal specifications to avoid damage.
- Utilize the provided GUI for efficient device management.

Motion Control Procedures
Includes absolute moves, jogging, and homing routines with detailed descriptions.

Digital Input/Output
Details on digital input status, digital output control, sync output, and latch features.

DMX-A2-DRV Alarm
Status of the driver alarm output signal is displayed.

Product Information
Displays product information, firmware version, and device number.

Terminal
Allows manual testing of commands from a terminal screen.

Setup
Includes polarity setup, driver settings, communication setup, DIO control, StepNLoop control, and storing parameters to non-volatile memory.

Standalone Program Management
Manage standalone programs with options to open, save, and edit.

Variable Status
View and manage the status of variables 1-100.

Program Control
Controls program execution with options to run, stop, pause, and continue.

On-the-fly Speed Change
Allows speed change while in motion, requiring specific parameter settings.

Specifications and Procedures
Details on USB and RS-485 communication, DIO usage, and ASCII language specifications.

Norms and Recommendations
Includes best practices for USB communication and DIO usage.

Critical Information
Emphasizes the importance of correct parameter settings and command sequences.

Best Practices
Ensure correct parameter settings and command sequences to avoid errors and achieve desired motor control outcomes.

Contact Information
Arcus Technology, Inc., 3159 Independence Drive, Livermore, CA 94551, 925-373-8800, www.arcustechnology.com