Delta Electronics is a globally recognized manufacturer of industrial automation solutions. Delta PLCs are known for being cost-effective, reliable, and easy to program, commonly used in factory automation, process control, and machine control.
🔍 Main Series of Delta PLCs
1. 🔹 DVP Series (Most widely used)
📘 Key Models:
Model Description
DVP-SS2 Basic logic control, compact, suitable for small automation
DVP-SA2 Mid-range model with analog and digital expansion options
DVP-SX2 Built-in analog I/O and high-speed counters
DVP-EH3 High-performance model with faster processing, Ethernet
DVP-SE Built-in Ethernet & Modbus TCP/IP for networked systems
DVP-ES2/EX2 Mid-to-high range with up to 16K steps and pulse output
🛠️ Key Features
Feature Details
Programming Language Ladder Diagram (LD), Structured Text (ST), Function Block (FBD)
Software WPLSoft, ISPSoft (advanced models)
I/O Capabilities Digital & analog I/O, high-speed counters, PWM, thermocouple inputs
Communication Protocols RS-232, RS-485, Ethernet, CANopen, Modbus RTU/TCP, Profibus, EtherNet/IP
Memory Up to 64K steps (model dependent)
Expansion Multiple I/O and communication modules can be added
📦 Popular Delta PLC Specifications (Example: DVP-ES2 Series)
Parameter Value
Power Supply 24V DC or 100–240V AC
Program Capacity 16K steps
Data Registers 10, 000+
Digital I/O 8–60 points depending on model
Analog I/O Optional modules (e.g., DVP04AD)
High-Speed Output 2 channels (100kHz max)
Communication Ports RS-232 / RS-485 / Ethernet
📡 Communication and Networking
Delta PLCs are ideal for networked control systems. Many models support:
Modbus RTU/TCP
EtherNet/IP
CANopen
DeviceNet
Profibus DP
This makes them suitable for SCADA, HMI integration, and remote I/O systems.
🏭 Applications of Delta PLCs
Factory automation
Packaging machines
Conveyors and sorting systems
HVAC control systems
Water treatment plants
Elevator control
Textile machinery
CNC interfacing
🧠 Software for Programming Delta PLCs
🔹 WPLSoft
Free and lightweight
For DVP-SS2, SA2, SX2, ES2, EX2 models
Ladder logic programming
🔸 ISPSoft
Advanced IEC 61131-3 support
For higher-end models (e.g., AH series)
Includes ST, FBD, SFC, LD
✅ Why Choose Delta PLCs?
Affordable and high-performance
Easy to program with free software
Strong community and documentation
Scalable from small to complex systems
Wide support for third-party HMIs and drives
