Product Short Description
Product Name
Delta Tau ACC-24E2A DB16 Axis Expansion Interface Board (DB15 connector version).
Product Overview
A 3U rack-mounted axis expansion interface board in the Delta Tau UMAC Turbo series. It acts as signal conversion hardware between the UMAC motion controller and external servo drives, delivering analog command signals and processing encoder feedback for multi-axis motion control systems.
Description
Technical Specifications
- Power supply: ±15 V DC, 5 V DC supplied by rack backplane
- Axis configuration: 2 axes standard, expandable to 4 axes with Option-1A; up to 8 boards per UMAC controller for 32 axes total
- Command output: ±10 V analog velocity / torque command, pulse-direction output
- Encoder input: A/B/Z differential or single-ended encoder signal
- Flag I/O: 8 input flags, 2 output flags per board
- Operating temperature: 0 to +45 °C; Storage: -25 to +70 °C; Humidity: 10%–95% non-condensing
- Dimensions: 162.56 mm × 100 mm × 20.3 mm
Functional Features
Supports dual-channel mirror redundancy and watchdog reset; encoder loss detection; compatibility with stepper and servo drivers; DB15 connector version for convenient field wiring; conforms to EN 61326 EMC standard; serial diagnostic interface for error vector output.
Application Scenarios
CNC machine tools, multi-axis robotic equipment, semiconductor manufacturing equipment, precision laboratory motion platforms, high-speed multi-synchronized motion control systems.
Performance Parameters
Deterministic signal transmission via UBUS high-speed backplane bus; short latency for closed-loop motion control; signal clamping to zero on communication failure.
Material Composition
FR-4 printed circuit board, metal front panel, gold-plated backplane connector, DB15 female connectors, industrial-grade buffer IC and servo IC chips.
Structural Characteristics
Standard 3U Eurocard structure; single-slot installation, occupying two slots when equipped with the Option-1A expansion module; captive screws for rack fixation; DB connectors on front panel for breakout connection.
Working Principle
Receives digital motion instructions from the UMAC CPU through the UBUS backplane bus; converts digital setpoints into ±10 V analog command or pulse-direction signals; collects encoder feedback from the motor and sends feedback data back to the main controller to realize closed-loop position, velocity and torque control.
Installation Requirements
Install into UMAC 3U rack backplane slot; complete ESD protection operation before installation; match jumper settings according to drive signal mode; DB15 signal cables shall keep distance from high-power cables to avoid electromagnetic interference.
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