Delta AS218TX-A High-density 18-point Sinking Input Module

The Delta AS218TX-A is a high-density 18-point sinking input module designed for industrial automation applications. This module offers advanced processing capabilities, versatile I/O configuration, and robust connectivity, making it a reliable choice for demanding environments. With its 32-bit SoC CPU, it delivers enhanced execution speeds of up to 40k steps/ms, ensuring rapid data processing and real-time control. The AS218TX-A features 8 digital inputs, 6 digital outputs, 2 analog inputs, and 2 analog outputs, providing a comprehensive solution for various control needs. Its compact, rackless design and easy-to-use DIN rail clips facilitate quick installation. The module supports multiple communication protocols, including Ethernet/IP and Modbus TCP, enabling seamless integration into existing industrial networks.

Product Specifications

| Feature             | Specification                                                                 |

| :------------------ | :---------------------------------------------------------------------------- |

| Model Name          | AS218TX-A                                                                     |

| Series              | AS Series                                                                     |

| CPU Type            | 32-bit SoC                                                                    |

| Program Capacity    | 64k steps                                                                     |

| Memory Capacity     | 64k words                                                                     |

| Execution Speed     | Up to 40k steps/ms (Basic instruction: 25 ns, Application instruction: 0.15 µs) |

| Built-in I/O        | 8 Digital Inputs (DI), 6 Digital Outputs (DO), 2 Analog Inputs (AI), 2 Analog Outputs (AO) |

| Max. I/O Points     | 1,024                                                                         |

| Max. Extension Modules | 32                                                                            |

| Built-in Communication Ports | USB, Ethernet, 2x RS-485, CANopen                                       |

| Communication Protocols | Modbus, Modbus TCP, EtherNet/IP, CANopen                                    |

| Motion Control      | Up to 3 axes (200 kHz pulse control)                                          |

| Power Supply        | 24 VDC                                                                        |

| Operating Temperature | -20°C to 60°C                                                                 |

| Mounting Type       | DIN Rail                                                                      |

Core Features & Market Positioning

The Delta AS218TX-A distinguishes itself through its high-speed processing capabilities, driven by Delta's self-developed 32-bit SoC CPUs, achieving an impressive execution speed of 40k steps per millisecond. This performance is crucial for applications demanding rapid response times and precise control. Its rackless design with patented DIN rail clips simplifies installation and maintenance, a significant advantage in busy industrial environments. The module's robust connectivity, featuring Ethernet, RS-485, USB, and CANopen ports, ensures seamless integration with a wide array of industrial devices and networks, including support for EtherNet/IP and Modbus TCP protocols. This positions the AS218TX-A as a versatile and powerful component for modern automation systems that require high efficiency and adaptability.

Key Application Scenarios

The Delta AS218TX-A PLC module is ideally suited for a broad range of automated equipment across various industries. Its high-speed processing and precise motion control capabilities make it an excellent choice for electronics manufacturing, where intricate pick-and-place operations and rapid assembly lines are common. In the food and beverage industry, its reliability and robust I/O handling are beneficial for packaging machinery, labeling systems, and process control applications. The textile industry also leverages the AS218TX-A for complex machinery requiring accurate and synchronized movements. Furthermore, its analog I/O capabilities are instrumental in process control systems, allowing for precise regulation of parameters like temperature, pressure, and flow rates.

Practical System Integration Guidance

Integrating the Delta AS218TX-A into an existing system is streamlined by its design and software support. The module utilizes Delta's DIADesigner software for hardware and network configuration, offering built-in function blocks for simplified programming. For communication, the AS218TX-A supports various protocols, including EtherNet/IP and Modbus TCP, facilitating easy data exchange with HMIs, SCADA systems, and other controllers. Wiring is straightforward due to the screwless, clip-type terminal blocks and the rackless design. For analog control applications, such as interfacing with a Delta MS300 VSD, users can configure the built-in analog I/O channels using special registers and hardware configuration settings within the programming software. Specific parameters within the PLC program will dictate the input range and output scaling for analog signals.

Operation and Risk Mitigation

Operating the Delta AS218TX-A requires adherence to standard industrial electrical practices. The module is designed for demanding environments, but proper installation within an enclosure is recommended to protect against dust, humidity, and electrical interference, especially since it's an open-type module. Ensuring proper grounding is also essential for safe operation and system stability. While the search results do not detail specific error codes, Delta's DIADesigner software provides system diagnostics, aiding in troubleshooting common issues. Users should always consult the official AS Series Hardware and Operation Manual for comprehensive guidance on operation and safety protocols.

Scalability & Long-Term Value

The Delta AS218TX-A offers significant scalability, supporting up to 32 extension modules and a total of 1,024 I/O points, allowing systems to grow with evolving production demands. Its compatibility with Delta's broader AS series and other Delta automation products ensures a cohesive ecosystem for expansion. The integration of EtherNet/IP and potential for IIoT applications through communication cards like the AS-FFTP01 (supporting OPC-UA and MQTT) highlights its readiness for future integration into smart manufacturing and Industry 4.0 initiatives. This forward-looking design ensures the AS218TX-A provides long-term value by accommodating technological advancements and increasing production requirements.

Frequently Asked Questions

What are the primary advantages of the Delta AS218TX-A module?

The Delta AS218TX-A offers high-speed processing with its 32-bit SoC CPU, enabling rapid execution speeds. It boasts a versatile I/O configuration, including digital and analog points, for diverse automation tasks. Its robust connectivity options ensure seamless integration into various industrial networks.

This module also features a compact, rackless design for easy installation and maintenance. Its advanced security measures protect critical operations from unauthorized access.

The AS218TX-A provides precise motion control capabilities, supporting multiple axes for sophisticated automation requirements.

What technical specifications define the Delta AS218TX-A module?

The AS218TX-A operates on a 24 VDC power supply and has a program capacity of 64k steps. It features 8 digital inputs, 6 digital outputs, 2 analog inputs, and 2 analog outputs. The module supports up to 32 expansion modules and a maximum of 1,024 I/O points.

Key communication interfaces include USB, Ethernet, two RS-485 ports, and CANopen. Supported protocols are Modbus, Modbus TCP, EtherNet/IP, and CANopen.

It offers motion control for up to 3 axes at 200 kHz pulse output and has an operating temperature range of -20°C to 60°C.

What industries and applications are best suited for the Delta AS218TX-A?

The AS218TX-A is ideal for electronics manufacturing due to its high-speed processing for complex assembly lines. It's also well-suited for food and beverage packaging and labeling machinery, where reliability is key.

This module can be used in textile manufacturing for precise motion control. Its analog I/O makes it effective in process control for managing variables like temperature and pressure.

The module's versatility allows it to be applied in various automated equipment scenarios requiring efficient and precise control.

How does the Delta AS218TX-A facilitate system integration?

System integration is simplified by Delta's DIADesigner software, which offers quick hardware and network configuration with pre-built function blocks. The module supports common industrial communication protocols like EtherNet/IP and Modbus TCP for easy device interoperability.

Its rackless design and DIN rail clips enable fast vertical installation. The module's built-in analog I/O can be configured using special registers and hardware settings for seamless interfacing with devices like VFDs.

Connectivity includes Ethernet, RS-485, USB, and CANopen, ensuring compatibility with a wide range of existing automation systems and peripherals.

What are the key features related to connectivity and communication for the AS218TX-A?

The Delta AS218TX-A is equipped with multiple built-in communication ports, including USB, Ethernet, two RS-485 ports, and CANopen. This comprehensive connectivity allows for flexible integration into various industrial networks.

It supports industry-standard communication protocols such as Modbus, Modbus TCP, EtherNet/IP, and CANopen. This ensures interoperability with other controllers, HMIs, and supervisory systems.

For advanced networking and IIoT applications, optional communication cards can extend its capabilities, enabling connectivity to cloud platforms and SCADA systems.

Can the AS218TX-A module be used for motion control applications?

Yes, the Delta AS218TX-A is designed with motion control capabilities. It supports up to 3 axes of control via 200 kHz pulse output, enabling precise positioning and coordinated movement.

This makes it suitable for applications requiring multi-axis synchronization, such as robotics, automated assembly, and specialized machine tools.

Integration with Delta's motion control solutions and use of protocols like CANopen further enhance its suitability for advanced motion tasks.

What is the typical program capacity and execution speed of the AS218TX-A?

The AS218TX-A features a program capacity of 64k steps, providing ample space for complex control logic. Its execution speed is exceptionally high, reaching up to 40k steps per millisecond thanks to its advanced 32-bit SoC CPU.

This rapid execution speed is critical for real-time applications where quick responses to changing conditions are necessary. The basic instruction execution time is as fast as 25 ns, and application instructions like MOV take only 0.15 µs.

The combination of a generous program capacity and high execution speed ensures the AS218TX-A can handle demanding automation tasks efficiently.

How does the AS218TX-A handle analog inputs and outputs?

The AS218TX-A module includes two analog inputs and two analog outputs, supporting both voltage and current modes. This allows for precise monitoring and control of analog signals in industrial processes.

Configuration of these analog channels can be done through the programming software, adjusting parameters for voltage or current ranges and scaling. For example, controlling a VFD with analog voltage involves setting specific registers and hardware configurations.

The analog capabilities enable seamless integration with sensors, transducers, and actuators that require analog signal processing.

What are the physical installation requirements for the AS218TX-A?

The AS218TX-A is designed for DIN rail mounting, which is a standard for industrial control panels. Its rackless design and patented DIN rail clips facilitate quick vertical installation and replacement without requiring a backplane.

It is an "open type" module, meaning it must be installed within an enclosure that protects it from dust, humidity, vibration, and electrical shock. The enclosure should also prevent unauthorized access for safety and device protection.

Proper wiring, using appropriate copper conductors (60/75°C rated), is essential for reliable operation and adherence to safety standards.

How does the AS218TX-A contribute to system scalability and long-term value?

The AS218TX-A supports up to 32 expansion modules, allowing for significant expansion of I/O points up to 1,024. This scalability ensures the system can grow with production demands without needing a complete overhaul.

Its compatibility within the Delta AS series and support for modern communication protocols like EtherNet/IP position it well for future integration, including IIoT and Industry 4.0 applications.

This forward-looking design ensures the module remains a valuable asset for years, accommodating technological advancements and evolving automation needs.