Delta DVP04AD-H3 4-channel Enhanced High-precision Analog Input Module

The Delta DVP04AD-H3 is a 4-channel enhanced, high-precision analog input module designed to seamlessly integrate with Delta's DVP-EH3 series PLCs. This module empowers industrial automation systems by accurately converting analog signals into digital data, facilitating precise control and monitoring. Its core advantage lies in its high precision and versatility, offering users the flexibility to select between voltage and current inputs. With a 16-bit resolution, the DVP04AD-H3 ensures detailed and accurate readings crucial for demanding applications.

Product Specifications

| Feature              | Specification                                      |

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

| Product ID       | DVP04AD-H3                                         |

| Series           | DVP-EH3                                            |

| Input Channels   | 4                                                  |

| Resolution       | 16-bit                                             |

| Input Signal Type| Voltage or Current (selectable by wiring)          |

| Voltage Input Range| ±10 V DC                                           |

| Current Input Range| ±20 mA                                             |

| Voltage Resolution| 312.5 μV                                           |

| Current Resolution| 0.625 μA                                           |

| Control Registers| 49 (16-bit each)                                   |

| Power Supply     | 100 ~ 240 VAC, 50/60 Hz                              |

| DC24V Output     | 500 mA (with short circuit protection)             |

| Operating Temp.  | 0°C to 55°C                                        |

| Storage Temp.    | -25°C to 70°C                                      |

| Humidity         | 50% to 95% RH (non-condensing)                     |

| Protection Degree| Pollution Degree 2                                 |

Core Features & Market Positioning

The Delta DVP04AD-H3 stands out in the industrial automation market due to its "Enhanced High-precision" design, offering superior accuracy compared to standard analog input modules. This precision is vital for applications where even minor deviations in sensor readings can significantly impact process outcomes. The module's ability to operate with both voltage (±10V DC) and current (±20mA) signals provides exceptional flexibility, allowing it to interface with a wide array of sensors and transmitters without requiring signal conditioning hardware. This adaptability positions the DVP04AD-H3 as a robust solution for diverse industrial needs, differentiating it from modules with fixed input types. Furthermore, its seamless integration with the DVP-EH3 PLC series enables users to leverage Delta's comprehensive automation solutions, enhancing overall system performance and reliability. The module's 16-bit resolution ensures detailed data capture, crucial for advanced process control and data logging applications.

Key Application Scenarios

The Delta DVP04AD-H3 finds extensive application across various industries where precise analog signal acquisition is paramount. In manufacturing, it is instrumental in machine control for processes like packaging, labeling, and printing, where accurate sensor feedback dictates motion control and product quality. The module is also critical in process automation for sectors such as water treatment and chemical processing, enabling precise monitoring of flow rates, pressures, and levels. In the food and beverage industry, it ensures consistent product quality by accurately measuring parameters like temperature and pH. For HVAC and building automation, the DVP04AD-H3 facilitates sophisticated climate control by processing data from temperature, humidity, and pressure sensors. Its high precision makes it suitable for data acquisition systems where accurate historical data is needed for analysis and optimization.

Practical System Integration Guidance

Integrating the Delta DVP04AD-H3 into an existing system requires careful attention to wiring and configuration. Users can select between voltage or current input by correctly wiring the input terminals. For voltage input, the range is ±10 V DC, and for current input, it is ±20 mA. It is crucial to isolate analog input wiring from other power cables to prevent noise interference. A capacitor (0.1μF to 0.47μF with a 25V working voltage) can be connected for noise filtering if the input signal exhibits significant ripple. The module connects to the PLC's CPU module, and up to eight expansion modules can be daisy-chained without occupying digital I/O points. Communication with the PLC is typically handled via FROM/TO instructions within the PLC program. For RS-485 communication, specific settings for baud rate and data format (ASCII/RTU) must be configured.

Operation and Risk Mitigation

The Delta DVP04AD-H3 operates reliably within specified environmental conditions, with an operating temperature range of 0°C to 55°C. To ensure safety and prevent damage, it is essential to install the module in an enclosure that protects against dust, humidity, and vibration, as it is an open-type device. Proper grounding of the module is critical to prevent electromagnetic interference. Users must never connect AC power to the I/O terminals, as this can cause severe damage. If an input signal exceeds the hardware's acceptable range, an error will be indicated. Troubleshooting often involves verifying wiring, checking input signal levels, and reviewing control register configurations.

Scalability & Long-Term Value

The DVP04AD-H3 enhances the scalability of Delta's DVP-EH3 PLC systems. Its ability to be expanded with up to eight modules allows for increased analog input capacity as system requirements grow. Compatibility with other Delta automation products, such as AC motor drives, servo drives, and HMIs, enables the creation of integrated "Delta Solutions" for complex automation tasks. This interoperability ensures that the DVP04AD-H3 can be part of a larger, evolving industrial control architecture, supporting integration with IIoT and digital manufacturing initiatives through standard communication protocols. Delta's commitment to product development and support also ensures long-term value and access to future enhancements and system upgrades.

Frequently Asked Questions

Q1: What are the input signal options for the Delta DVP04AD-H3?

The Delta DVP04AD-H3 offers flexibility by supporting both voltage and current analog input signals. Users can select the appropriate input type through proper wiring of the module's terminals. This feature allows for seamless integration with a wide range of sensors and transmitters.

Q2: What is the resolution of the Delta DVP04AD-H3 analog input module?

This module provides a high 16-bit resolution for analog-to-digital conversion. This detailed resolution ensures precise measurement of input signals, which is critical for accurate control and monitoring in demanding industrial applications.

Q3: Can the Delta DVP04AD-H3 be used with different PLC series?

The DVP04AD-H3 is specifically designed for Delta's DVP-EH3 series PLCs. While it integrates seamlessly with this series, compatibility with other Delta PLC series or third-party PLCs would require further investigation into communication protocols and hardware interfaces.

Q4: How is the Delta DVP04AD-H3 powered?

The module operates on a 100-240 VAC power supply. It also provides a 24 VDC output for auxiliary power, which includes short-circuit protection for enhanced safety and reliability.

Q5: What are the environmental operating conditions for the DVP04AD-H3?

The module is designed for industrial environments and operates within a temperature range of 0°C to 55°C. It also requires a humidity level between 50% and 95% RH (non-condensing) and should be protected against dust and vibration in an enclosure.

Q6: How is the Delta DVP04AD-H3 installed?

The DVP04AD-H3 is an expansion module designed for DIN rail mounting. It connects to the DVP-EH3 PLC CPU module and can be daisy-chained with up to eight modules without consuming digital I/O points. Proper wiring and enclosure installation are crucial.

Q7: What is the accuracy of the Delta DVP04AD-H3?

The module offers high precision with a voltage input range of ±10V DC and a current input range of ±20mA. The resolution for voltage is 312.5 μV, and for current, it is 0.625 μA, ensuring accurate data capture for critical processes.

Q8: Does the DVP04AD-H3 support communication protocols?

Yes, the module supports RS-485 communication with configurable baud rates and data formats (ASCII/RTU). This enables it to communicate with PLCs and other devices, although RS-485 cannot be used when the module is connected directly in series with the PLC MPU.

Q9: What are the key benefits of using the DVP04AD-H3 over standard analog input modules?

The primary benefits include enhanced high precision, dual voltage/current input capability, and 16-bit resolution, which provide more detailed and accurate data acquisition. Its seamless integration within the Delta automation ecosystem also adds significant value.

Q10: Where can I find the datasheet or manual for the Delta DVP04AD-H3?

Datasheets and instruction manuals for the Delta DVP04AD-H3 are typically available on the official Delta Electronics website or through authorized distributors and suppliers. These resources provide comprehensive technical details, wiring diagrams, and programming examples.