AEG MM-PMC2-300

Digital guide

Product Introduction:
The AEG MM-PMC2-300 is a high-end programmable motion controller from the Modicon PMC2 product family, specifically configured for 3-axis coordinated motion control. It is designed for complex multi-axis applications including CNC machining, robotics, flying shear, and synchronized conveyor systems. The controller integrates motion control, PLC logic, and I/O handling in a single platform, eliminating the need for separate motion controllers and PLCs.

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Detailed content

Technical Specifications:

Number of Axes: 3 servo/stepper axes (simultaneous interpolation)
Interpolation Modes: Linear, Circular, Helical, Point-to-Point
Maximum Pulse Frequency: 4 MHz per axis
Positioning Resolution: 32-bit (4,294,967,296 counts per revolution)
Control Cycle Time: 1 ms (standard), 500 µs (high-speed mode)
Program Memory: 2 MB Flash + 512 KB RAM
I/O Capacity: Up to 256 digital I/O + 32 analog I/O (via expansion)
Communication Ports: Ethernet (TCP/IP, Modbus TCP, EtherNet/IP), RS-232, RS-485, CAN
Power Supply: 24V DC (nominal), 18V to 30V DC operating range
Operating Temperature: 0°C to +55°C
Storage Temperature: -20°C to +70°C
Vibration Resistance: 5g (10–500 Hz) per IEC 60068-2-6
Shock Resistance: 30g, 11 ms per IEC 60068-2-27
Dimensions (W x H x D): 180 mm x 100 mm x 120 mm (approximate)
Weight: Approximately 1.2 kg

Functional Features:

3-axis simultaneous interpolation with look-ahead function (up to 128 blocks)
Electronic cam and electronic gearing
S-curve acceleration/deceleration profiling
Jog, incremental, and absolute positioning modes
Home sequence with multiple reference methods (index, limit switch, encoder Z-phase)
Built-in PLC with IEC 61131-3 programming (Ladder, FBD, SFC, ST, IL)
Macro programs for complex motion sequences
FTP server for program upload/download and data logging
Web server for remote diagnostics and parameter monitoring

Performance Parameters:

Simultaneous Axes: 3 axes at full speed
Maximum Contouring Speed: 100 m/min (dependent on axis tuning)
Following Error Tolerance: Configurable from 1 to 10,000 encoder counts
servo Loop Update Rate: 1 kHz (1 ms cycle)
Jerk Limitation: Configurable jerk control for smooth motion
Program Scan Time: < 0.5 ms for 1000 ladder rungs

Material Composition:

Housing: Aluminum alloy extrusion with black anodized finish
PCB: 6-layer FR-4 with gold-plated edge contacts
Connectors: Hirose and Molex industrial connectors
Display: Optional LCD front panel with navigation buttons
Enclosure Rating: IP20 (front panel), IP54 with optional enclosure

Structural Features:

Front panel with LCD display and navigation keys
LED status indicators: Power, Run, Fault, Axis Active (x3)
Multi-pin connectors for encoder inputs (A/B/Z differential), digital I/O, analog I/O
Ethernet RJ45 port on front panel
DIN rail or panel mount option
Expansion bus for additional I/O modules

Working Principle:
The MM-PMC2-300 executes motion control programs stored in its Flash memory. The motion control engine runs on a dedicated DSP processor at a fixed 1 ms cycle, calculating trajectory setpoints for each axis using interpolation algorithms (linear, circular, cubic). The computed position setpoints are sent to servo drives via high-speed pulse output or analog command. Simultaneously, the PLC logic processor handles discrete and analog I/O, executing the application program. Both processors share data through a dual-port RAM interface, enabling tight coordination between motion and logic.

Advantages & Highlights:

All-in-One Solution: Combines PLC + Motion Controller in single unit
High-Speed Interpolation: 3-axis simultaneous with 128-block look-ahead
Flexible Programming: IEC 61131-3 compliant with macro capabilities
Ethernet Connectivity: EtherNet/IP, Modbus TCP, and built-in web server
Compact Design: Significantly reduces cabinet space versus separate PLC + motion controller

Applicable Industries: