DELTA TAU ACC-24E2A UMAC Analog Axis-Interface Board.The DELTA TAU ACC-24E2A 603276-550 is an important hardware device in the Power PMAC system developed by Delta Tau Data Systems, Inc. The Power PMAC, as a general-purpose embedded computer, integrates motion and machine control applications. It has multiple hardware interfaces and comes in various physical configurations. The ACC-24E2A 603276-550 is mainly used for motion control. It is widely applied in the field of industrial automation and can provide crucial support for motor control and feedback.
Functions and Features of ACC-24E2A 603276-550：
Interface Type:It belongs to the PMAC2-style interface and has specific hardware interface functions. It can be connected to various feedback sensors such as digital quadrature encoders and analog sinusoidal encoders to provide position feedback data for motor control. It can also be connected to execution devices like servo and stepper drives to achieve precise control of the motors.
Related IC and Its Functions:It is equipped with the PMAC2-style “DSPGATE1” Servo IC. This IC has 4 channels, and each channel supports multiple functions.
Output: It can be configured as either two serial data streams to 18-bit digital-to-analog converters and one pulse-and-direction signal pair, or three pulse-width-modulated (PWM) signal pairs.
Input: It supports various input forms such as digital quadrature, pulse-and-direction, or MLDT feedback. It also has functions like input flags, amplifier fault input, supplementary input flags, as well as amplifier enable output and hardware position compare output.
DELTA TAU ACC-24E2A 603276-550 Settings in Different Application Scenarios
Encoder-related Settings
Digital Quadrature Encoder: It supports feedback from digital quadrature encoders. The hardware interface uses a differential line receiver, which is compatible with both single-ended and differential encoders. The encoder sampling clock frequency needs to be set. The default frequency is 9.83 MHz, and it can be adjusted according to actual requirements. Additionally, the decoding control parameters need to be set, usually using “times – 4” decoding.
Analog Sinusoidal Encoder: If an analog sinusoidal encoder is connected, a specific hardware circuit is used to convert the analog signal into a digital signal for the processor. The encoder sampling clock frequency, decoding control, and other parameters need to be set. Moreover, data processing is carried out through the encoder conversion table at the software level.
Motor Control Settings:In terms of motor control, various parameter settings are involved. For example, the command output address and position feedback address of the motor need to be set to achieve precise control of the motor. Corresponding parameter configurations also need to be made according to the motor control mode.
Connection and Communication with Other Devices:It can communicate with other devices in the Power PMAC system (such as processors and other interface boards) through the backplane to achieve data transmission and collaborative work, thereby constructing a complete motion control system. In MACRO ring applications, it can serve as part of the MACRO interface to communicate with other MACRO devices and achieve collaborative control among multiple devices.
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