Product Short Description
Manufacturer: Delta Tau Data Systems, Inc. (USA)
Product Overview:
The Delta Tau ACC-8E PMAC-2 (602469-103) is a high-performance, 8-axis standalone motion controller based on the PMAC-2 (Programmable Multi-Axis Controller) architecture. It is a DSP-based real-time controller used for precise multi-axis motion control in CNC machining, robotics, and industrial automation. The ACC-8E is the EtherCAT-equipped chassis variant with 8 servo axes.
Description
Technical Specifications:
| Parameter | Value |
|---|---|
| Controller Type | PMAC-2 DSP-based Motion Controller |
| Chassis Model | ACC-8E (8-Axis EtherCAT Chassis) |
| Catalog Number | 602469-103 |
| Number of Axes | 8 Servo Axes (expandable) |
| Processor | 32-bit Motorola DSP56311 @ 40 MHz |
| Communication | EtherCAT (100 Mbps), RS-232, USB |
| Programming Language | PMAC C Language (C-based motion language) |
| Interpolation Modes | Linear, Circular, Helical, CAD/CAM, G-Code |
| Servo Update Rate | 62.5 μs to 1 ms (configurable) |
| Position Resolution | 20-bit encoder input (1,048,576 counts/rev) |
| I/O Points | 48 Digital I/O, 8 Analog I/O (onboard) |
| Memory | 2 MB Flash, 512 KB RAM |
| Power Supply | 24 VDC |
| Dimensions | 229 x 191 x 51 mm (chassis) |
| Operating Temperature | 0°C to +55°C |
| Standards | CE, FCC, UL |
Material Composition:
| Component | Material |
|---|---|
| Chassis | Aluminum alloy — Anodized |
| PCB | FR-4, conformal coated |
| Connectors | Military-grade (MIL-DTL) |
Structural Features:
- Rack-mountable chassis (19″ rack, 2U height option)
- Modular I/O cards — plug-in servo amplifier interface modules
- EtherCAT master port — daisy-chain servo drives
- Front panel LEDs — axis status, error indicators
Functional Characteristics:
- Real-time multi-axis coordinated motion — up to 8 axes simultaneously
- PID + Feedforward servo control per axis
- G-Code interpreter built-in
- EtherCAT network — high-speed distributed servo control (≤1 ms cycle)
- Host communication — EtherCAT, RS-232, USB for PC/HMI connection
- Global variables, PLC logic, macro programs
Applicable Industries:
- CNC Machining (Milling, Turning, Grinding)
- Robotics (Multi-joint arms)
- Laser Cutting / Welding
- Semiconductor Equipment
- Print & Packaging Machinery
Installation Requirements:
- Mount in clean, vibration-free environment
- Connect EtherCAT cable to servo drives in daisy-chain topology
- Terminate EtherCAT network with 120Ω resistor at last node
- Provide 24 VDC power with adequate current (max ~3A)
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