DELTA TAU ACC-2P Communications Board PC/104

( Brand: Delta Tau ), ( Manufacturer Part Number: ACC-2P ), ( Part Type: Board )

Review DELTA TAU Pc/104 Communications Board

The **Delta Tau ACC-2P PC/104 Communications Board** is a high-performance, modular interface solution designed to seamlessly integrate industrial automation, data acquisition, and control systems with PC-based platforms. Built around the compact and versatile **PC/104** form factor, this board delivers robust analog and digital I/O capabilities while maintaining exceptional reliability in demanding environments. Ideal for applications requiring real-time data processing, such as process control, motor drive monitoring, or embedded system integration, the ACC-2P combines precision engineering with flexibility, making it a cornerstone for engineers and developers seeking a scalable solution without compromising on performance.

At its core, the ACC-2P provides **two isolated analog input channels** with a resolution of up to **24-bit**, ensuring exceptionally high accuracy and noise immunity for critical measurements such as temperature, pressure, or voltage sensing. Each channel features programmable gain, configurable input ranges ( 10V, 5V, 2.5V, 1V, or 0 5V), and built-in anti-aliasing filters to eliminate signal distortion, making it suitable for both slow-varying and high-frequency applications. The board s **isolated outputs** (up to 500V DC) further enhance safety and prevent ground loops, a critical feature in industrial settings where electrical noise and ground potential differences can disrupt sensitive measurements.

Complementing the analog inputs, the ACC-2P includes **two programmable digital I/O lines**, offering versatile control and monitoring capabilities. These lines can be configured as inputs (with configurable debouncing for reliable signal detection) or outputs (with up to 5V/10mA drive strength), enabling direct interfacing with sensors, relays, or actuators. The board s **user-programmable thresholds** allow for flexible event triggering, making it ideal for applications requiring precise timing or condition-based automation. Additionally, the ACC-2P supports **pulse-width modulation (PWM) output** and **frequency measurement input**, expanding its utility for motor control, timing applications, or signal decoding tasks.

To ensure seamless integration with modern computing environments, the ACC-2P leverages a **high-speed USB 2.0 interface**, delivering data transfer rates of up to **480 Mbps** for rapid acquisition and processing. This interface is complemented by **PCI Express compatibility** (via PC/104 expansion), allowing for even higher throughput when connected to a host system s bus architecture. The board s **low-latency design** minimizes delays in real-time applications, while its **plug-and-play drivers** (compatible with Windows, Linux, and real-time operating systems) simplify deployment across diverse platforms. Whether deployed in a standalone embedded system or integrated into a larger control architecture, the ACC-2P ensures efficient, low-overhead communication with minimal setup complexity.

Built to withstand the rigors of industrial and laboratory environments, the ACC-2P is constructed with **high-quality materials and robust shielding**, protecting against electromagnetic interference (EMI) and ensuring stable operation in noisy surroundings. Its **wide operating temperature range** (from **-40 C to 85 C**) and **extended voltage tolerance** (10 30V DC) make it suitable for deployment in harsh conditions, from outdoor process monitoring to automotive or aerospace applications. The board s **compact yet rugged design** fits seamlessly into space-constrained systems, while its **modular PC/104 stackability** allows for easy integration into larger multi-board architectures without sacrificing performance.

For developers and engineers, the ACC-2P offers **comprehensive software support**, including **SDKs, example code, and API documentation** for rapid prototyping and custom application development. Its **configurable registers and registers** enable fine-tuned control over sampling rates, filtering, and data formatting, while **built-in diagnostics** provide real-time monitoring of board health and signal integrity. Whether used for **data logging, closed-loop control, or real-time signal processing**, the ACC-2P delivers a balance of precision, flexibility, and reliability that empowers engineers to build high-performance systems with confidence. With its blend of advanced analog and digital capabilities, robust isolation, and seamless software integration, the Delta Tau ACC-2P PC/104 Communications Board stands as a versatile workhorse for modern automation and control challenges.

The **Delta Tau ACC-2P PC/104 Communications Board** is a specialized hardware module designed for data acquisition, control, and communication tasks, particularly in industrial, research, or embedded systems applications. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Delta Tau ACC-2P PC/104 Communications Board**

1. **High-Speed Data Acquisition and Control**

The ACC-2P supports high-speed analog input/output (up to 200 kS/s per channel) and digital I/O, making it suitable for applications requiring precise timing and rapid data processing. This is beneficial for real-time control systems, motor control, or signal processing tasks.

2. **PC/104 Form Factor**

The PC/104 standard is compact, modular, and widely used in embedded systems. This board can be easily integrated into existing PC/104-based systems without requiring significant redesign. It also supports stackable configurations, allowing for scalable system expansion.

3. **Dual Analog Output Channels (0 10 V or 0 5 V)**

The two analog output channels provide flexibility for driving actuators, power amplifiers, or other external devices. The ability to configure voltage ranges (0 10 V or 0 5 V) caters to different system requirements.

4. **Digital I/O and Counter Inputs**

The board includes 16 digital I/O lines and two counter/timer inputs, which are useful for interfacing with sensors, relays, or other discrete devices. This versatility supports a wide range of control applications, including stepper motor control or event counting.

5. **RS-232/RS-485 Communication**

The built-in serial communication interfaces (RS-232 and RS-485) enable easy integration with external devices, PLCs, or data logging systems. RS-485, in particular, is robust for industrial environments with long cable runs or noisy conditions.

6. **Software Support and Driver Availability**

Delta Tau provides software tools, including **DeltaTangle** (for configuration) and drivers for major operating systems (Windows, Linux, and real-time OSes like QNX or VxWorks). This simplifies development and reduces integration time.

7. **Isolation and Safety Features**

The board offers isolation between digital and analog signals, which helps protect against noise and voltage spikes. This is critical in industrial or harsh environments where electrical interference is a concern.

8. **Compatibility with Delta Tau s Ecosystem**

If you are already using other Delta Tau products (e.g., motion controllers, DAQ boards), the ACC-2P can seamlessly integrate into your existing setup, leveraging shared software and support resources.

9. **Cost-Effective for Specific Applications**

For applications where analog I/O, digital control, and serial communication are the primary requirements, the ACC-2P can be a cost-effective solution compared to building a custom interface or using more expensive multi-function DAQ boards.

10. **Low Latency and Real-Time Capabilities**

The board is designed for real-time applications, with minimal latency in data acquisition and control loops. This is advantageous for applications like robotics, automation, or high-speed testing.

---

### **Cons of the Delta Tau ACC-2P PC/104 Communications Board**

1. **Limited Analog Input Channels**

The ACC-2P only has **two analog input channels**, which may be insufficient for applications requiring high-channel-count data acquisition (e.g., multi-channel sensor monitoring or parallel testing). For such cases, you would need to pair it with additional DAQ boards or expanders.

2. **No Built-in A/D or D/A Resolution Options**

The analog resolution is fixed (typically 12-bit for inputs and outputs), which may not meet the precision requirements of high-end applications (e.g., medical imaging, audio processing, or high-accuracy control). Higher-resolution boards (e.g., 16-bit or 24-bit) may be necessary for such tasks.

3. **No Ethernet or USB Interfaces**

The board lacks modern communication interfaces like Ethernet or USB. While it supports RS-232/RS-485, this can be a limitation in today s systems where Ethernet is the dominant communication protocol. You would need to add a separate interface board or use serial-to-Ethernet converters.

4. **PC/104 Form Factor Limitations**

While the PC/104 form factor is advantageous for embedded systems, it may not be suitable for applications requiring a more robust or space-efficient enclosure (e.g., rack-mounted systems or compact industrial panels). Additional mounting and cooling considerations may be needed.

5. **Software Dependency on Delta Tau Tools**

The board relies heavily on Delta Tau s proprietary software (e.g., DeltaTangle) for configuration and control. This can introduce vendor lock-in, as migrating to alternative software or platforms may require significant effort or custom development.

6. **No Built-in Power Supply or Isolation for All Channels**

The board does not include a built-in power supply, and while it offers some isolation, users must ensure proper grounding and power conditioning for their specific application to avoid noise or safety issues.

7. **Limited Documentation for Advanced Users**

While Delta Tau provides adequate documentation for basic setup, advanced users (e.g., those requiring low-level register access or custom firmware modifications) may find the documentation insufficient or require additional reverse-engineering.

8. **Potential Compatibility Issues with Modern OSes**

While the board supports Windows and Linux, some users have reported compatibility issues with newer operating systems or real-time OSes, particularly regarding driver support or performance. Testing may be required before deployment.

9. **No Built-in Calibration or Self-Testing Features**

Unlike some high-end DAQ boards, the ACC-2P does not include built-in calibration tools or self-diagnostic features. Users must manually verify accuracy and functionality, which can add overhead to system validation.

10. **No Support for High-Speed Digital Protocols**

The board does not support high-speed digital communication protocols like CAN, SPI, I2C, or PCIe, which may limit its applicability in modern embedded or automotive systems where these interfaces are standard.

---

### **Conclusion**

The **Delta Tau ACC-2P PC/104 Communications Board** is a **specialized, mid-range analog I/O and digital control solution** well-suited for applications requiring **two-channel analog output, digital I/O, and serial communication** within a **PC/104 embedded system**. It excels in **real-time control, industrial automation, and custom data acquisition tasks** where its strengths high-speed analog output, digital flexibility, and modular integration are leveraged effectively.

However, its **limited analog input channels, lack of modern interfaces (Ethernet/USB), and dependency on proprietary software** make it less ideal for applications needing **high-channel-count DAQ, high-resolution analog signals, or plug-and-play compatibility with contemporary systems**. Additionally, users must account for **additional hardware (e.g., power supplies, isolation modules) and potential software compatibility issues** when integrating it into their systems.

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### **Recommendation**

- Your application requires **two analog output channels** (0 10 V or 0 5 V) with **high-speed updates** (up to 200 kS/s).

- You need **digital I/O and counter inputs** for discrete control or event counting.

- You are working within a **PC/104 embedded system** and need a compact, modular solution.

- Your primary communication needs are **RS-232/RS-485**, and you can accommodate the lack of Ethernet/USB.

- You are already using **Delta Tau products** and benefit from ecosystem integration.

- Budget constraints make it a **cost-effective alternative** to more feature-rich DAQ boards.

- You require **more than two analog input channels** or **high-resolution (16-bit ) analog I/O**.

- Your application demands **Ethernet, USB, or modern digital protocols (CAN, SPI, I2C)**.

- You need **plug-and-play compatibility** with modern operating systems or real-time OSes without additional testing.

- Your system requires **high-channel-count data acquisition** (e.g., 16 channels), in which case a multi-channel DAQ board (e.g., National Instruments, Advantech) would be more appropriate.

- You prioritize **vendor independence** and prefer open-standard interfaces or software.

- For **higher-channel-count analog I/O**, evaluate **National Instruments PCIe or USB DAQ boards** (e.g., NI USB-600x series) or **Advantech s PCIe-178x series**.

- For **Ethernet-based control**, consider **PLCs with built-in I/O** (e.g., Siemens, Allen-Bradley) or **industrial PC/104 boards** with Ethernet (e.g., Contec, ADLINK).

- For **high-resolution analog output**, explore **dedicated DAC boards** (e.g., 16-bit or 24-bit from Texas Instruments or Analog Devices).

- For **modern embedded systems**, look into **Raspberry Pi HATs, Arduino shields, or FPGA-based I/O modules** if you need flexibility and open-source support.

Details:

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part #: acc2p prices

• $799.99-$995.00

specifications sensoindustria:

• brand: Delta Tau
• mpn: Acc-2p
• part type: Board

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

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• time: 30 Days
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seller sensoindustria:

• rating: 99.8%
• city: Champaign, Illinois
• # reviews: 17985

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• availability: In Stock
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• started: June 4, 2026
• options: Ship-to-home
• quantity: 1

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• transit: 4-7 Days

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