Delta DVP08HM11N 8-point Digital Input Output Mixed I/O Module

The Delta DVP08HM11N is an 8-point digital input/output (I/O) mixed module designed to expand the capabilities of Delta's DVP series Programmable Logic Controllers (PLCs). This module offers a compact and efficient solution for adding discrete I/O points to an automation system, providing flexibility for various industrial control applications. Its key advantages include its small form factor, high reliability, and seamless integration with other Delta DVP series components. The module features 8 digital input channels, operating on a 24VDC supply, and boasts a program capacity of 16k steps, with robust spike voltage durability and noise immunity.

Product Specifications

| Specification              | Value                                                                  |

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

| Brand                      | Delta                                                                  |

| Product Type               | PLC Module                                                             |

| Model                      | DVP08HM11N                                                             |

| Power Supply Voltage       | 24VDC (-15%~20%)                                              |

| Number of Inputs and Type  | Digital - 8                                                        |

| Number of Outputs and Type | None                                                               |

| Fuse Capacity              | ES: 2A/ 250VAC; SV: 2.5A/ 30VDC                                 |

| Power Consumption          | 1W                                                           |

| Program Capacity           | 16k Steps                                                          |

| Spike Voltage Durability   | 1500VAC (Primary-secondary); 1500VAC (Primary-PE); 500VAC (Secondary-PE) |

| Insulation Impedance       | >5 MΩ (all I/O point-to-ground: 500VDC)                           |

| Noise Immunity             | ESD: 8 kV Air Discharge; EFT: Power Line, 2 kV; Digital I/O: 1 kV    |

| Response Time              | 10ms                                                               |

| Operating Temperature      | 0°C ~ 55°C                                                      |

| Storage Temperature        | -25°C ~ 70°C                                                    |

| Operating Humidity         | 50~95%                                                             |

| Storage Humidity           | 5~95%                                                              |

| Weight                     | Approx. 120-124 gm                                              |

Core Features & Market Positioning

The Delta DVP08HM11N distinguishes itself in the industrial automation market as a highly cost-effective and reliable expansion module for its DVP series PLC counterparts. Its primary appeal lies in its compact design, allowing for efficient use of panel space, a critical factor in many industrial control cabinets. The module is engineered for robust performance, offering significant spike voltage durability and strong noise immunity, which are essential for stable operation in demanding industrial environments. Compared to other PLC modules, the DVP08HM11N provides a straightforward solution for adding essential digital inputs, making it a favored choice for applications that require straightforward signal acquisition without the complexity of analog or advanced communication modules. Its positioning is that of a foundational building block for expanding the I/O capacity of Delta's DVP PLC systems, enabling scalable automation solutions.

Key Application Scenarios

The Delta DVP08HM11N finds its niche in a wide array of industrial automation tasks where discrete digital inputs are paramount. It is frequently deployed in:

  Machine Control: Integrating with machinery to monitor the status of switches, sensors, and limit switches for operational control and safety interlocks.  Process Monitoring: Acquiring signals from simple sensors and indicators in manufacturing processes for data logging and basic control loops.  Building Automation: Managing inputs from door sensors, motion detectors, and alarm systems within intelligent building management systems.  Small to Medium Scale Automation: Serving as an economical solution for expanding the I/O count in smaller automation projects or as a remote I/O unit for larger systems.  Conveyor Systems: Monitoring the presence or absence of items on conveyor belts using proximity sensors.

Its straightforward digital input functionality makes it ideal for applications where the primary need is to detect binary states (on/off, present/absent, high/low).

Practical System Integration Guidance

Integrating the Delta DVP08HM11N into an existing DVP PLC system is typically a plug-and-play process, facilitated by the modular design of the DVP series. The module connects directly to the PLC's expansion bus, requiring no complex wiring for communication. Power is supplied via the main PLC unit or a dedicated 24VDC source. Proper grounding is crucial for ensuring signal integrity and preventing electrical interference; the grounding wire diameter should be no less than that of the power supply cable. When installing multiple PLCs or modules, ensure each unit is properly grounded. The module's inputs are designed for 24VDC signals with a tolerance of ±10%. For programming, the Delta ISPSoft software is used, allowing engineers to configure and manage the I/O points within the PLC's overall program structure. Users can compare this module with other Siemens or Delta PLC models to confirm electrical ratings and mounting formats for project timelines.

Operation and Risk Mitigation

Operating the Delta DVP08HM11N requires adherence to standard industrial electrical safety practices. The module is designed for a 24VDC power supply, and exceeding this voltage can lead to damage. It's essential to ensure correct polarity when wiring the power and input signals. The module has built-in fuse protection for its internal circuits (ES: 2A/250VAC; SV: 2.5A/30VDC) which can help mitigate damage from overcurrent conditions. In case of system malfunction or unexpected behavior, a systematic troubleshooting approach is recommended. Common issues might involve incorrect wiring, signal noise, or programming errors. Always consult the official Delta PLC manuals for detailed troubleshooting guides and error code interpretations. Proper grounding of the entire system is a key risk mitigation strategy against electrical surges and noise interference.

Scalability & Long-Term Value

The Delta DVP08HM11N offers significant long-term value through its scalability and compatibility within the broader Delta automation ecosystem. As an expansion module, it allows users to incrementally increase the I/O count of their DVP series PLCs without needing to replace the entire controller. The DVP series itself is known for its compatibility with other Delta products, including AC motor drives (VFDs), servo drives, and HMIs, enabling the creation of integrated, "Delta Solutions" for diverse automation needs. This interoperability ensures that the DVP08HM11N can be part of a growing automation infrastructure, supporting future upgrades and expansions. Furthermore, Delta's commitment to providing user-friendly programming software like ISPSoft, which adheres to IEC 61131-3 standards, ensures that control logic remains manageable and adaptable over the product lifecycle.

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Frequently Asked Questions (FAQs)

Q1: What is the primary function of the Delta DVP08HM11N module?

The Delta DVP08HM11N is an 8-point digital input expansion module. It expands the input capabilities of Delta DVP series PLCs. This allows for the integration of more sensors and switches into an automated system.

It specifically adds 8 discrete digital inputs to the PLC's processing unit. This module does not have any digital output points. It is designed for receiving signals from external devices.

Its main purpose is to provide a compact and cost-effective way to increase the number of inputs a PLC can monitor for control logic.

Q2: What are the power supply requirements for the DVP08HM11N?

The Delta DVP08HM11N operates on a 24VDC power supply. It has a specified tolerance range of -15% to +20% for this voltage. This means it can safely operate between approximately 20.4VDC and 28.8VDC.

Ensuring a stable 24VDC power source is critical for reliable operation and to prevent module damage. The power consumption of the module itself is quite low, typically around 1W.

Always refer to the official Delta documentation for precise power specifications and wiring diagrams to ensure proper installation.

Q3: Can the DVP08HM11N be used with PLCs from other manufacturers?

While the Delta DVP08HM11N is specifically designed as an expansion module for Delta DVP series PLCs, its utility with other brands is limited. It relies on Delta's proprietary expansion bus and communication protocols.

Using it with non-Delta PLCs would require custom interfacing solutions or protocol converters, which is generally not cost-effective or practical. For optimal performance and ease of integration, it is recommended for use within the Delta DVP ecosystem.

Engineers often compare it with Siemens PLCs for electrical ratings and mounting but integration is specific to Delta's platform.

Q4: What is the response time of the DVP08HM11N module's digital inputs?

The Delta DVP08HM11N module features a digital input response time of 10 milliseconds (ms). This is the time it takes for the module to detect a change in the input state and signal it to the PLC.

A 10ms response time is generally suitable for most standard industrial automation applications. However, for very high-speed operations, faster response modules might be necessary.

Always consider this response time when designing control logic, especially for time-critical processes or applications requiring precise timing.

Q5: Does the DVP08HM11N have any output capabilities?

No, the Delta DVP08HM11N is strictly a digital input module. Its designation "HM11N" indicates a "Mixed" module, but in this specific model, it comprises only 8 digital inputs and no digital outputs.

The "N" in the model number often signifies "No Output" for this particular configuration. Other DVP series modules are available that offer mixed I/O or purely digital outputs.

When you require output functionality, you would need to select a different Delta module, such as one from the DVP-SN or DVP-SR series, or a mixed I/O module with output points.

Q6: What is the program capacity associated with the DVP08HM11N?

The Delta DVP08HM11N module itself does not possess program capacity, as it is an I/O expansion unit. The program capacity is a feature of the main PLC CPU unit to which it is connected.

However, the PLC CPU units compatible with the DVP08HM11N, such as those in the DVP-EH3 series, typically offer a program capacity of 16k steps. This allows for substantial logic development.

This 16k step capacity is sufficient for a wide range of automation tasks, from simple machine control to more complex process automation sequences.

Q7: How does noise immunity and spike voltage durability benefit the DVP08HM11N in industrial settings?

The module's robust noise immunity and spike voltage durability are critical for reliable operation in electrically noisy industrial environments. High immunity to Electrostatic Discharge (ESD) and Electrical Fast Transients (EFT) protects the module from damaging voltage spikes.

This protection ensures consistent and accurate signal acquisition from connected sensors and switches. It minimizes the risk of false triggering or data corruption caused by external electrical disturbances.

Consequently, these features contribute to increased system uptime, reduced maintenance, and overall operational reliability, which are paramount in industrial automation.

Q8: Is the Delta DVP08HM11N compatible with other Delta PLC series like AS or AH?

The DVP08HM11N is specifically designed for the Delta DVP series, particularly models like the DVP-EH3. While Delta's broader automation portfolio includes AS and AH series PLCs, compatibility with the DVP08HM11N as a direct expansion module is generally limited to the DVP platform.

The AH and AS series have their own specific I/O modules and expansion mechanisms. Interfacing DVP modules with these higher-end series might be possible through communication networks or specific gateway modules, but direct bus expansion is unlikely.

For the most seamless integration, it's recommended to use the DVP08HM11N with compatible DVP series PLC CPUs.

Q9: What kind of applications is the DVP08HM11N most suitable for?

The DVP08HM11N is ideal for applications requiring the monitoring of discrete digital signals. This includes tasks like reading the status of buttons, switches, limit switches, and simple sensors.

It is commonly used in machine automation, where inputs from safety guards, operational start/stop buttons, and indicator lamps need to be captured. It's also suitable for basic process monitoring and building automation systems.

Its compact size and dedicated input function make it a cost-effective choice for expanding I/O counts in small to medium-sized automation projects.

Q10: Where can I find technical documentation or datasheets for the Delta DVP08HM11N?

Technical documentation, including datasheets and user manuals, for the Delta DVP08HM11N can typically be found on the official Delta Electronics website. You can also find this information on authorized distributor websites.

Searching for "Delta DVP08HM11N datasheet" or "Delta DVP08HM11N manual" on search engines will yield results from various suppliers and Delta's official channels.

Always ensure you are downloading documentation directly from Delta or a trusted distributor to guarantee accuracy and completeness for your integration and troubleshooting needs.