Delta Tau ACC28B-A-D INTERFACE 24 AXIS
Delta Tau ACC28B-A-D INTERFACE 24 AXIS - Image 2

Delta Tau ACC28B-A-D INTERFACE 24 AXIS

Product Introduction
The Delta Tau ACC28B-A-D is a high-capacity multi-axis interface module within the Delta Tau (Omron) motion control ecosystem. As indicated by its designation, this module provides interface capabilities for up to 24 axes, making it suitable for large-scale motion control applications requiring extensive I/O coordination and multi-axis synchronization. The ACC28B series is part of Delta Tau’s comprehensive family of ACC expansion modules designed to extend the capabilities of PMAC-based controllers.

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Description

Delta Tau ACC28B-A-D INTERFACE 24 AXIS

Technical Specifications

  • Brand: Delta Tau Data Systems (Omron)
  • Model: ACC28B-A-D
  • Product Type: 24-Axis Interface Module
  • Series: ACC28B Family for PMAC/Power PMAC Systems
  • Axis Capacity: Up to 24 axes interface capability
  • Communication Protocol: EtherCAT real-time Ethernet (Power PMAC ecosystem)
  • I/O Configuration: 24 channels of configurable digital I/O (12 inputs, 12 outputs typical)
  • Power Supply: 24V DC
  • Operating Temperature Range: -20°C to +70°C (industrial grade)
  • Extended Temperature Capability: -40°C to +85°C (certain variants)
  • Humidity Range: 5% to 95% non-condensing
  • Dimensions: Approximately 150mm × 100mm × 50mm (compact form factor)
  • Weight: Approximately 0.5 kg
  • Certifications: CE, UL compliant; ATEX approval for hazardous locations (certain variants)

Functional Features

  • Provides interface capability for up to 24 axes in a single compact module
  • Configurable digital I/O channels with opto-isolation for electrical noise immunity
  • EtherCAT real-time communication for high-speed data exchange with host controller
  • Supports high-speed polling up to 20 kHz for minimal feedback latency
  • Compatible with Power PMAC and Turbo PMAC instruction sets
  • Supports advanced motion control functions including PVT trajectory planning
  • Compatible with incremental encoders, absolute encoders, and resolvers
  • I/O expansion capability through EtherCAT network for additional digital/analog I/O
  • Real-time operating system kernel with multi-axis synchronization precision ≤1 µs
  • Compact design suitable for embedded or space-constrained system integration
  • Comprehensive diagnostic capabilities for troubleshooting and maintenance

Application Scenarios

  • Large-Scale CNC Systems: Multi-axis machining centers requiring extensive axis coordination
  • Collaborative Robotics: Distributed control nodes in multi-robot workcells
  • Automotive Manufacturing: Body-in-white assembly lines with multiple synchronized robots
  • Aerospace Manufacturing: Large component machining and assembly systems
  • Material Handling: Automated storage and retrieval systems (AS/RS) with multiple axes
  • Printing and Converting: Multi-zone web tension control and registration systems
  • Test and Simulation: Multi-axis motion simulators and shake tables
  • Legacy Machine Retrofit: Adding Ethernet-based control to existing multi-axis machinery

Performance Parameters

  • Maximum Axis Interface: 24 axes
  • Digital I/O Channels: 24 configurable (12 input / 12 output typical)
  • I/O Polling Rate: Up to 20 kHz
  • Axis Synchronization Precision: ≤1 µs
  • Communication Interface: EtherCAT real-time Ethernet
  • Power Supply Voltage: 24V DC
  • Operating Temperature: -20°C to +70°C (standard); -40°C to +85°C (extended)
  • Humidity Tolerance: 5% to 95% non-condensing
  • Response Time: Sub-millisecond I/O response for real-time control
  • Noise Immunity: Opto-isolated I/O channels for industrial environment reliability

Material Composition

  • PCB Substrate: Industrial-grade multi-layer FR-4 with controlled impedance traces
  • Processor: High-performance motion control processor (Power PMAC architecture)
  • Communication IC: EtherCAT slave controller ASIC
  • I/O Components: Opto-isolators for digital I/O channel isolation
  • Connectors: Industrial-grade EtherCAT RJ45 or M12 connectors, terminal blocks for I/O
  • Passive Components: Precision resistors, ceramic and tantalum capacitors
  • Housing: Metal or high-strength engineering plastic enclosure for EMI shielding
  • Conformal Coating: Protective coating for moisture and chemical resistance

Structural Features

  • Compact modular design for space-efficient system integration
  • Standard mounting footprint compatible with DIN rail or panel mounting
  • Front-accessible EtherCAT communication ports for daisy-chain topology
  • Terminal block or connector interfaces for digital I/O wiring
  • LED indicators for power, communication status, and I/O activity
  • Heat dissipation design for continuous industrial operation
  • Robust mechanical construction for vibration and shock resistance
  • Clear labeling for axis assignments and I/O channel identification
  • Modular expansion connectors for additional I/O or communication modules

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