Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Controller model | DMC-4080 |
| Manufacturer | Galil Motion Control |
| Product family | Accelera DMC-40×0 |
| Controlled axes | 8 (A–H) |
| Motor types | Servo and stepper |
| Encoder input rate | Up to 22 million counts/second |
| Stepper output rate | Up to 6 million steps/second |
| Servo command output | ±10 VDC, 16-bit DAC |
| Servo loop update | 187.5 µs minimum for eight axes |
| Digital inputs | 16 optoisolated inputs |
| Digital outputs | 16 high-power optoisolated outputs |
| Analog inputs | 8 channels, ±10 VDC range |
| Analog input resolution | 12-bit standard; 16-bit option |
| Extended I/O | 32 configurable 3.3 V logic points |
| Ethernet | 10/100BASE-T |
| Serial communication | 2 × RS-232, up to 115.2 kbaud |
| Supply voltage | 20–80 VDC |
| Power consumption | 12–16 W at 25°C |
| Program storage | Nonvolatile Flash EEPROM |
| Motion functions | Linear, circular, contour, PVT, electronic gearing and camming |
Configuration warning: DMC-4080 is the controller model, not necessarily the complete orderable assembly number. A complete unit can include a communication board, two interconnect modules for axes 1–4 and 5–8, and optional internal amplifiers or stepper drivers. These options affect connectors, pin assignments, and motor compatibility.
DMC-4080
Product Introduction
The Galil DMC-4080 is an eight-axis motion controller designed for coordinated servo and stepper applications. It provides closed-loop motion processing, encoder feedback, programmable motion profiles, and high-speed communication with industrial computers and supervisory systems. Its Accelera architecture supports complex positioning tasks without requiring a host PC to execute every motion command.
The controller supports external servo amplifiers and stepper drives, with optional integrated drive hardware depending on the complete configuration. Applications include CNC equipment, automated assembly, semiconductor machinery, precision positioning systems, and multi-axis production equipment.
Application Scenarios & Field Pitfalls
Typical applications
- Multi-axis CNC machinery: Coordinates synchronized axis movement, contouring, and positioning sequences.
- Automated assembly equipment: Controls servo and stepper axes for component placement and mechanical sequencing.
- Semiconductor manufacturing: Supports precision motion and coordinated positioning in production equipment.
- Packaging and material handling: Provides electronic gearing, camming, and synchronized motion for multiple machine axes.
Important field considerations
- Complete configuration identification: Obtain the full part number, including communication, interconnect, and amplifier options. The base DMC-4080 designation does not identify every installed component.
- Amplifier compatibility: The ±10 V servo command output is a control signal, not motor power. External amplifiers must be correctly sized for motor current, voltage, and load requirements.
- Encoder compatibility: Confirm encoder signal type, feedback voltage, maximum frequency, and connector pinout before wiring.
- I/O voltage: The optoisolated inputs operate with 5–24 VDC external signaling. The separate extended I/O uses 3.3 V logic by default; these interfaces must not be treated as interchangeable.
- Communication configuration: The standard communication board provides one Ethernet interface and two RS-232 channels. Dual Ethernet requires the optional CMB-41022 communication board.
- Program retention: Back up motion programs, parameters, arrays, and firmware information before removing an operating controller.
- Safety: Limit switches, emergency-stop circuits, amplifier enable signals, and independent machine safety protection must be verified. The motion controller is not a substitute for a dedicated safety system.
Related Products
These models belong to the Galil DMC-40×0 family and are useful for system comparison. Axis capacity and hardware configuration differ.
- DMC-4010 – Single-axis motion controller.
- DMC-4020 – Two-axis motion controller.
- DMC-4030 – Three-axis motion controller.
- DMC-4040 – Four-axis motion controller.
- DMC-4050 – Five-axis motion controller.
- DMC-4060 – Six-axis motion controller.
- DMC-4070 – Seven-axis motion controller.
- DMC-4080 – Eight-axis motion controller.
The lower-axis models are not direct replacements for an eight-axis installation unless the machine’s motion architecture is redesigned accordingly.
Procurement and Replacement Notes
When sourcing a Galil DMC-4080, request the complete configuration number rather than relying on the base model alone.
Check these items before ordering:
- Main controller board identification.
- Communication board: CMB-41012 or optional CMB-41022.
- Interconnect board configuration for axes 1–4 and 5–8.
- Integrated amplifier or stepper-driver options.
- Motor feedback and connector types.
- Power supply requirements.
- Firmware version and saved motion programs.
For used equipment, request functional test evidence covering controller startup, Ethernet and serial communication, encoder feedback, motion-command response, and available I/O channels.
Replacement warning: Two units can have different internal hardware configurations despite sharing the same base model. The Galil manual documents the ID command as a method of reading the installed hardware configuration. Where the original controller is still accessible, record this information before replacement.
Procurement identification: Galil Motion Control , Accelera Series, eight-axis standalone motion controller. Verify the complete option string before selecting a replacement.
