Delta DVP20ES200RE Relay Output PLC Main Unit for Automation
The Delta DVP20ES200RE is a robust and versatile PLC main unit designed for a wide array of industrial automation tasks. This compact yet powerful controller boasts a significant number of I/O points and advanced features, making it a compelling choice for engineers seeking reliable and efficient control solutions. Its relay output configuration simplifies wiring and provides robust switching capabilities for various loads, positioning it as a cost-effective and high-performance option in the competitive PLC market. Key technical specifications include 20 I/O points (12 DI, 8 DO), a 10k step program capacity, and a 5k word data register, all housed within a DIN-rail mountable form factor.
Product Specifications
| Specification | Value |
| :------------------------ | :----------------- |
| Model Number | DVP20ES200RE |
| PLC Type | Slim Type PLC |
| Power Supply | 100-240VAC |
| Digital Inputs (DI) | 12 |
| Digital Outputs (DO) | 8 (Relay Output) |
| Program Capacity | 10k steps |
| Data Registers | 5k words |
| Communication Ports | RS-232, RS-485 |
| Max. I/O Expansion | 256 points |
| Operating Temperature | 0°C to +55°C |
| Dimensions (W x H x D) | 120 x 90 x 60 mm |
Core Features & Market Positioning
The Delta DVP20ES200RE distinguishes itself through its excellent balance of features and price, making it a strong contender for small to medium-scale automation projects. Its built-in RS-232 and RS-485 communication ports offer straightforward connectivity to HMIs, SCADA systems, and other industrial devices, enhancing its integration capabilities. The relay output type is particularly advantageous for applications requiring direct control of AC loads, such as motors, solenoids, and lighting circuits, without the need for intermediate relays, thereby reducing panel space and wiring complexity. This focus on practical functionality and ease of use has solidified Delta's position as a reliable provider of cost-effective automation solutions, appealing to a broad spectrum of industrial users.
Key Application Scenarios
Engineers frequently seek automation solutions for tasks involving sequential control, process monitoring, and data acquisition. The DVP20ES200RE excels in these areas, finding extensive use in packaging machinery, material handling systems, HVAC control, and building automation. Its 20 I/O points are ideal for standalone machines or smaller control panels where complex networking is not a primary requirement. For instance, in a conveyor system, the PLC can manage motor start/stop signals, detect product presence with sensors, and activate diverter gates. Furthermore, its compatibility with Delta's programming software, WPLSoft, simplifies the development of logic for applications such as temperature regulation in industrial ovens or managing the operational cycles of injection molding machines.
Practical System Integration Guidance
Integrating the Delta DVP20ES200RE into an automation system is a streamlined process. The unit mounts directly onto a standard DIN rail, facilitating quick installation within electrical enclosures. Wiring the digital inputs typically involves connecting field devices (sensors, switches) to the screw terminals, observing polarity for DC inputs and line/neutral for AC inputs where applicable. For the relay outputs, connect the common terminal to the power source and the normally open (NO) or normally closed (NC) terminal to the load, ensuring the relay's contact rating is not exceeded. Power is supplied via the 100-240VAC terminal block. Programming is accomplished using Delta's WPLSoft software, supporting ladder logic, instruction list, and structured text, allowing engineers to develop control strategies efficiently. Establishing communication typically involves connecting a PC via USB (with an appropriate adapter) or directly to the RS-232/RS-485 ports for downloading programs and monitoring the PLC's operation.
Operation and Risk Mitigation
Safe and effective operation of the DVP20ES200RE hinges on adhering to proper electrical codes and programming best practices. Always ensure the power supply is disconnected before making any wiring changes. Verify that all connections are secure to prevent intermittent faults or short circuits. For relay outputs, it is crucial to select devices with voltage and current ratings within the PLC's specifications to avoid damaging the output contacts. During operation, monitor the PLC's status indicator LEDs for any abnormal behavior. Common troubleshooting involves checking input signals, verifying output energization, and reviewing the program logic for potential errors. While the DVP20ES200RE is designed for reliability, unexpected power fluctuations or extreme environmental conditions can lead to faults. Referencing the Delta PLC user manual for specific error codes and diagnostic procedures is essential for rapid problem resolution.
Scalability & Long-Term Value
The Delta DVP20ES200RE offers a compelling long-term value proposition due to its inherent scalability and compatibility. Its slim design allows for compact control solutions, but its capabilities extend significantly through expansion modules. Up to 8 I/O expansion modules can be connected, allowing the system to grow to a total of 256 I/O points, accommodating more complex automation requirements without replacing the main unit. This modularity ensures that an initial investment in the DVP20ES200RE can be leveraged for future project expansions. Furthermore, Delta's commitment to Industry 4.0 and IIoT integration means that newer communication modules and software updates can be incorporated, allowing these PLCs to connect with cloud platforms and advanced data analytics solutions, enhancing operational efficiency and predictive maintenance capabilities.
Frequently Asked Questions (FAQs)
What are the main advantages of the Delta DVP20ES200RE?
This PLC offers a high I/O count in a compact form factor. Its relay outputs simplify wiring for AC loads. The unit provides robust communication options via RS-232 and RS-485 ports.
What type of applications is the DVP20ES200RE best suited for?
It is ideal for small to medium automation tasks. Common uses include packaging machinery and material handling. HVAC and building automation also benefit greatly.
How can I program the Delta DVP20ES200RE?
You can program it using Delta's WPLSoft software. It supports ladder logic and other programming languages. Connecting via USB or serial ports facilitates program transfer.
What is the maximum number of I/O points the DVP20ES200RE can support?
The main unit has 20 I/O points. With expansion modules, it can reach up to 256 I/O points. This allows for system growth over time.
Can the DVP20ES200RE communicate with HMIs?
Yes, it supports common industrial communication protocols. RS-232 and RS-485 ports are built-in for easy HMI integration. This enables visualization and control.
What is the power supply requirement for the DVP20ES200RE?
The unit operates on a wide AC voltage range. It requires 100-240VAC input power. Always verify power source before connection.
How do I wire the relay outputs on this PLC?
Connect the common terminal to the power source. The load connects to either the NO or NC terminal. Ensure load ratings are within PLC limits.
What safety precautions should I take when installing this PLC?
Always disconnect power before wiring. Ensure all connections are secure and correct. Follow local electrical codes diligently.
Does the DVP20ES200RE support any digital communication protocols?
Yes, it has built-in RS-232 and RS-485 ports. These allow for serial communication with various devices. Modbus RTU is commonly supported.
What is the warranty period for Delta PLCs like the DVP20ES200RE?
Warranty terms can vary by region and distributor. Typically, Delta offers a standard warranty period for their automation products. Contact your supplier for specifics.
