Product Short Description
Product Brief
High-performance 8-axis independent standalone motion controller of Galil DMC-40×0 series, no host PC required for operation; equipped with dual 100 Mbps Ethernet, RS232 serial communication ports, supports simultaneous control of 8 servo/stepper axes, integrated large-capacity digital I/O and analog input channels, designed for large multi-axis automated production lines and multi-axis CNC machinery.
Description
Technical Specifications
- Model Series: Galil DMC-40×0 Standalone Ethernet Motion Controller Series
- Controllable Axis Count: 8 independent servo/stepper axes
- Main Communication Interfaces: Dual 10/100 Mbps auto-adaptive Ethernet RJ45, 2 × RS232 serial ports
- Axis Command Output Types: ±10 V 16-bit DAC analog servo output, pulse+direction stepper pulse output
- Encoder Feedback Channels: 8 differential A/B/Z phase encoder inputs, max 22 MHz input frequency
- Servo Loop Update Rate: 187 µs full 8-axis synchronous PID closed-loop calculation
- Digital I/O Channels: 16 optically isolated general DI, 16 optically isolated general DO
- Analog Input Channels: 8-channel ±10 V isolated analog signal acquisition
- Onboard Program Memory: 512 KB non-volatile flash for motion programs and parameter storage
- Position Register Resolution: 32-bit signed position counter per axis
- Rated Power Supply: 24 VDC (18 VDC – 30 VDC wide input range)
- Power Consumption: 22 W full-load 8-axis simultaneous operation
- Operating Temperature Range: 0 °C ~ +55 °C
- Storage Temperature Range: -40 °C ~ +85 °C
- Relative Humidity Tolerance: 20%–95% non-condensing
- Installation Form: Standard DIN rail mounting industrial enclosure
- Dimension: 245 mm (L) × 130 mm (W) × 45 mm (D)
- Net Weight: 1.1 kg
Functional Features
- Standalone operation capability without industrial PC host; executes 8 independent motion programs simultaneously
- Dual redundant Ethernet ports support Modbus TCP/IP, Galil native protocol for upper HMI and SCADA system communication
- Full suite of advanced motion algorithms: linear/circular/helical interpolation, electronic gear, electronic cam, 龙门 gantry synchronization, contour trajectory profiling
- Per-axis independent PID closed-loop control with velocity, acceleration and jerk feedforward compensation
- Hardware high-speed position latch and position compare output for high-precision registration processing
- Complete isolated digital I/O and analog input channels for field sensor, limit switch and process signal collection
- Hardware multi-level watchdog circuit for automatic controller soft reset under program deadlock fault
Performance Parameters
- Maximum Stepper Pulse Output Frequency: 6 MHz per axis
- Differential Encoder Max Input Frequency: 22 MHz
- 8-Axis Synchronous PID Loop Latency: 187 µs full axis update cycle
- Analog DAC Output Resolution: 16-bit per axis servo control signal
- ESD Surge Withstand Capacity: 2 kV contact discharge on all field I/O and communication ports
- Vibration Resistance: 10 Hz – 150 Hz, 1 g continuous cabinet vibration
Material Composition
- Main Enclosure: Extruded aluminum alloy DIN rail mounting housing with passive heat dissipation fins
- Main Control PCB: FR4 multi-layer wide-temperature industrial fiberglass circuit board
- Ethernet Connectors: Industrial shielded gold-plated RJ45 sockets with integrated isolation transformers
- Analog DAC Chips: Low-drift 16-bit industrial digital-to-analog converters for each axis
- Optocoupler Isolation Array: High-speed wide-temperature opto-isolators for all digital I/O circuits
- Terminal Blocks: Nickel-plated brass screw terminal blocks for power, axis and I/O field wiring
Structural Characteristics
- Standard DIN rail mounting enclosure form factor for direct installation inside industrial control cabinets
- Front panel layout: dual Ethernet RJ45 ports, RS232 serial port, multi-group LED status indicators for power, run, fault and axis activity
- Rear panel full terminal block layout separated into power zone, axis servo wiring zone, digital I/O zone and analog input zone to avoid wiring crosstalk
- Internal PCB compartment physical isolation between Ethernet communication circuit, analog axis control circuit and digital I/O circuit
- Integrated aluminum heat dissipation fins on enclosure side walls for passive cooling without auxiliary fans
- Dual side DIN rail mounting clips for fast installation and removal on standard 35 mm DIN rails
Working Principle
DMC-4080 operates as standalone motion master controller; motion application programs stored in onboard flash memory execute autonomously without host PC intervention. The internal 32-bit high-speed RISC processor calculates real-time motion trajectories for all 8 axes simultaneously, outputs ±10 V analog or pulse direction commands to external servo/stepper amplifiers. Differential encoder feedback signals from each axis motor transmit back to controller encoder input channels to close PID position control loops with 187 µs synchronous update cycle. Isolated digital DI channels collect limit, home, emergency stop and field sensor signals to trigger safety interlock motion logic; isolated analog input channels acquire external process pressure, temperature and position analog signals for synchronized motion compensation. Dual Ethernet ports transmit real-time axis position, fault status and production data to upper HMI/SCADA systems via Modbus TCP protocol, and receive remote motion program modification commands from supervisory systems. Hardware watchdog circuits continuously monitor program execution and trigger automatic soft reset upon bus or program deadlock failure.
Advantage Highlights
- 8-axis full synchronous standalone control eliminates industrial PC host dependency to reduce system failure points
- Dual redundant Ethernet communication ports ensure uninterrupted data transmission with upper monitoring systems
- Integrated 16DI/16DO + 8 analog input channels eliminate additional external I/O expansion modules to save cabinet space
- Comprehensive advanced multi-axis motion algorithms support complex automated production line and CNC machining trajectory requirements
- DIN rail compact enclosure simplifies cabinet layout and field installation procedures
- Wide 18–30 VDC power input range adapts to unstable industrial cabinet 24 VDC power supply environments
Applicable Industries
Large multi-axis automated assembly lines, automotive welding fixture machinery, multi-spindle CNC machining centers, textile multi-color printing equipment, solar panel production automation, packaging multi-station filling lines, robotic gantry transfer systems
Installation Requirements
- Mount DMC-4080 onto standard 35 mm DIN rail inside industrial control cabinet via dual side mounting clips
- Reserve minimum 15 mm vertical ventilation gap above and below controller enclosure for heat dissipation
- Separate axis servo encoder, analog input and Ethernet communication cables from high-power inverter and motor power wiring with minimum 25 cm clearance
- Implement single-point PE shielding grounding of all signal cables at cabinet main PE grounding bar; grounding resistance ≤ 4 Ω
- Stabilize 24 VDC cabinet power supply within 18–30 VDC range before powering on controller
- Maintain cabinet internal continuous operating temperature below 55 °C; install auxiliary cooling fan for high-load 8-axis full operation scenarios
Operation & Maintenance Precautions
- ESD anti-static wrist strap mandatory during terminal wiring modification and program download operations
- Conduct quarterly inspection of all screw terminal blocks for loose contact caused by cabinet vibration
- Do not install adjacent to high-frequency variable frequency drive modules to avoid communication signal distortion
- Clean Ethernet RJ45 port contacts semi-annually with compressed dry air to remove dust accumulation
- Store spare DMC-4080 units in sealed anti-static packaging with silica gel desiccant packs
- Cut off 24 VDC cabinet power supply before disassembly of all field wiring terminal blocks
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