Delta PLC – Industrial Programmable Logic Controllers
Delta PLC is a programmable logic controller designed for scalable industrial control and machine automation applications. It operates as the central processing unit within automated manufacturing systems, continuously reading field inputs, executing programmed control logic through deterministic scan cycles, and updating outputs such as motors, drives, sensors, and actuators with precise timing accuracy.
As part of the Delta Automation portfolio, Delta PLC platforms are engineered to deliver modular expansion capability, flexible digital and analog I/O architecture, and structured ladder logic programming for both machine-level and distributed automation systems. Widely deployed across packaging, textile, automotive, conveyor, and process industries in India, Delta Programmable Logic Controllers provide stable and high-performance control for modern industrial production environments.
Delta DVP-EH3 Series
The Delta PLC DVP Series includes the DVP-EH3 model, engineered for high-speed motion control and precision automation in industrial environments. It delivers fast processing performance and accurate positioning for synchronized industrial machinery.
- Ideal for: High-speed motion and multi-axis positioning systems
- Pulse Output: 4 high-speed outputs supporting precise motion control
- High-Speed Counters: Dedicated hardware counters for accurate signal tracking
- Interrupt Handling: Supports up to 16 external interrupt points
- Connectivity: PLC-Link communication for linking up to 32 units
Delta DVP-EH Series
The PLC Delta DVP-EH Series is a modular controller designed for reliable machine automation and flexible I/O expansion. It supports stable logic execution for OEM equipment and mid-range industrial applications.
- Digital I/O: Supports 8 to 48 digital input/output points
- Analog Support: Compatible with temperature and load cell modules
- Precision: 24-bit resolution load cell measurement capability
- Communication: Expansion modules for networking and remote I/O
- Performance: High-speed processing with accurate signal handling
Delta DVP-ES2 Series
The DVP-ES2 Series is a Delta Programmable Logic Controller developed by Delta Electronics for compact and mid-scale industrial automation systems. It delivers stable logic execution, flexible communication capability, and scalable expansion support for panel-based machine control applications.
- MPU Capacity: 16 to 60 built-in digital I/O points
- Program Memory: 16K steps supporting structured ladder logic programs
- Communication Ports: 1 × RS-232 and 2 × RS-485 independent serial interfaces
- Maximum I/O Expansion: Expandable up to 256 digital and analog I/O points
- High-Speed Inputs: 8 integrated inputs supporting multiple high-speed counting modes
Delta DVP-ES3 Series
The DVP-ES3 Series is a compact automation controller powered by a high-speed Delta PLC CPU for reliable industrial machine control. It supports fast processing and precise positioning for motion-based applications.
- CPU: 32-bit high-speed processor architecture
- Built-in I/O Points: 32, 48, 64, and 80 point configurations
- Maximum I/O Capacity: Expandable up to 256 digital and analog points
- High-Speed Counters: 4 hardware counters up to 200 kHz
- Position Output: 4-axis high-speed pulse output at 200 kHz
Delta DVP-EC3 Series
The DVP-EC3 is a cost-effective Delta PLC Series designed for entry-level automation and compact industrial control panels. It provides reliable logic processing and communication flexibility for small to medium machine applications.
- MPU Models: Available in 10, 14, 16, 24, 32, and 60 point configurations
- Maximum I/O Capacity: Supports up to 60 digital input and output points
- Program Memory: Handles up to 4K steps for structured control logic
- Communication Ports: Built-in RS-232 and RS-485 interfaces (16–60 point models)
- High-Speed Counters: Includes 4 integrated hardware counter channels
Delta DVP-SA2 Series
The DVP-SA2 Series is a programmable logic controller developed by Delta Electronics for scalable industrial automation and distributed control applications. As part of the Delta DVP PLC family, it provides modular I/O expansion and reliable communication capability for machine-level and panel-based systems.
- MPU Configuration: 12 built-in I/O points (8 Digital Inputs + 4 Digital Outputs)
- Maximum I/O Expansion: Expandable up to 492 total I/O points
- Program Capacity: 16K steps supporting structured control logic
- Communication Interfaces: Integrated RS-232 and dual RS-485 ports
- Protocol Compatibility: Supports Modbus ASCII and Modbus RTU standards
- High-Speed Pulse Output: Dual 100 kHz outputs and dual 10 kHz outputs
Delta DVP-SE Series
The DVP-SE Series is a Delta PLC with Ethernet Port engineered for communication-driven automation systems requiring stable networking and scalable control performance.
- Program Capacity: 16K steps for structured logic execution
- Data Register Memory: 12K words for application data handling
- Execution Speed: Fast instruction processing (LD 0.64 μs, MOV 2 μs)
- Network Connectivity: Built-in Ethernet with MODBUS TCP support
- Security Feature: IP filter protection for controlled network access
- Module Compatibility: Supports DVP-S left and right-side expansion modules
Delta DVP-SS2 Series
The Delta SS2 PLC is a compact programmable controller designed for small automation systems and space-constrained industrial control panels. It provides reliable logic execution with expandable I/O capability for machine-level control applications.
- MPU Points: 14 total I/O points (8 Digital Inputs + 6 Digital Outputs)
- Maximum I/O Expansion: Expandable up to 494 total input/output points
- Program Capacity: Supports up to 8K steps of user program memory. Communication Ports: Integrated RS-232 and RS-485 serial communication interfaces
- High-Speed Pulse Output: Four independent pulse outputs up to 10 kHz frequency
Delta DVP-SV2 Series
The Delta DVP-SV2 Series is a motion-focused programmable logic controller designed for high-speed positioning and synchronized industrial automation systems. It delivers stable pulse control performance and advanced motion instructions for precision machine operations.
- High-Speed Pulse Output: 4 sets at 200 kHz for precise motion positioning
- High-Speed Counters: 4 hardware counters supporting 200 kHz signal input
- Advanced Motion Control: Built-in high-speed positioning and control instructions
- Interpolation Function: Supports linear and arc interpolation movement control
- External Interrupt Support: Up to 16 external interrupt pointers available
Delta DVP-SX2 Series
The Delta DVP-SX2 Series is an analog-integrated programmable logic controller designed for compact industrial automation systems. It supports precise digital and analog signal processing with flexible communication options for machine-level control applications.
- Built-in I/O Configuration: 20 points (8DI, 6DO, 4AI, 2AO)
- Maximum I/O Expansion Capacity: Expandable up to 494 total I/O points
- Program Memory Capacity: Supports structured programs up to 16K steps
- Communication Interface Options: RS-232, RS-485, and USB ports included
- High-Speed Pulse Output Capability: 2 × 100 kHz and 2 × 10 kHz outputs
- Integrated Motion Control Features: Built-in high-speed counters with analog processing support
Delta DVP-10 PM Series
The DVP-10 PM Series is a motion-focused Delta PLC Controller designed for high-speed positioning and precise automation control. It provides stable pulse output performance and advanced motion instructions for compact industrial machinery applications.
- MPU Points: 24 built-in digital input and output points
- Maximum I/O Expansion: Supports expansion up to 256 total I/O points
- Program Capacity: 64K steps for advanced logic programming
- High-Speed Counters: Six hardware counters rated at 200 kHz
- Differential Outputs: Four independent 1 MHz pulse output channels
- Motion Functions: Single-axis positioning with zero return capability
- PWM Output: 200 kHz pulse width modulation with 0.3% resolution
Delta DVP-15 MC Series
The DVP-15 MC Series is a high-speed motion controller within the Delta Electronics PLC portfolio, built for precise multi-axis synchronization in industrial automation. It delivers fast computational performance and advanced positioning control for coordinated machinery systems.
- Processor: 1 GHz high-speed CPU
- Synchronization: 4 axes in 2 ms, 8 axes in 4 ms
- High-Speed I/O: 16 inputs and 8 outputs
- Encoder Support: Built-in encoder interface compatibility
- Motion Control: Speed, torque, homing, and positioning functions
Delta DVP-20 PM Series
The DVP-20 PM is part of the Delta DVP Series PLC range designed for high-speed motion control and complex industrial automation systems. It delivers strong processing performance with scalable I/O expansion, making it suitable for advanced machine control applications.
- MPU Configuration: 16 integrated control points
- Maximum I/O Expansion: Expandable up to 512 total I/O points
- Program Capacity: 64K steps for structured logic execution
- Communication Interfaces: Built-in RS-232 and RS-485 support
- High-Speed Pulse Output: Up to 500 kHz positioning capability
Delta PLC System Architecture
A Delta PLC based on the DVP platform features a compact modular architecture consisting of a CPU module, integrated or expandable digital and analog I/O modules, built-in communication ports, and a 24V DC power supply system. The CPU manages program memory, data memory, and deterministic scan cycle execution while coordinating field inputs and outputs. Series such as Delta DVP-EH3 Series, Delta DVP-ES2 Series, and Delta DVP-SX2 Series support right-side expansion modules, high-speed counters, and pulse output channels, making them suitable for standalone machines and distributed automation applications.
Programming & Engineering with ISPSoft
Delta PLC systems are engineered using Delta ISPSoft and Delta DIAStudio, which provide a structured IEC-compliant programming environment. Engineers can develop applications using Ladder Logic (LAD), Function Block Diagram (FBD), Structured Text (ST), and Sequential Function Chart (SFC), enabling flexible logic development tailored to the complexity of the machine. The software environment supports online monitoring, debugging, PID tuning, parameter configuration, and organized project management aligned with industrial automation best practices.
Communication & Industrial Networking
Delta PLC platforms support various industrial communication standards, including Modbus RTU, Modbus TCP, Ethernet, RS-232, RS-485, and CANopen, depending on the model. This multi-protocol capability enables seamless integration with HMIs, remote I/O modules, SCADA systems, and motor control solutions such as Delta VFD, ensuring synchronized speed control and stable data exchange in Indian industrial environments where multi-vendor interoperability is critical.
Performance, Reliability & Industrial Design
Delta PLC systems operate with defined scan cycles, predictable task execution timing, and structured memory handling to ensure stable real-time processing. Designed for DIN rail mounting with strong electrical noise immunity, these controllers comply with IEC standards, CE certification, UL certification, and RoHS requirements. Their industrial-grade construction supports continuous operation under Indian factory conditions, including voltage fluctuations, ambient temperature variations, and electromagnetic interference.
Product List:
Model No |
Image |
Power Supply |
Mounting Type |
Number of Inputs |
Number of Outputs |
|---|---|---|---|---|---|
| DVP14SS211T |  |
24VDC | DIN Rail | 8 – Digital | 6 – Transistor |
| DVP12SA211T |  |
24VDC | DIN Rail | 8 – Digital | 4 – Transistor |
| DVP12SE11R |  |
24VDC | DIN Rail | 8 – Digital | 4 – Relay |
| DVP14SS211R |  |
24VDC | DIN Rail | 8 – Digital | 6 – Relay |
How to Select a Delta PLC
- Application Complexity: Choose DVP-SS2 or DVP-ES2 for small machines. Select AS or AH Series for advanced automation.
- I/O Requirements: Count digital inputs, digital outputs, and required analog channels.
- Processing Speed: High-speed packaging lines require faster scan cycle time and motion capability.
- Communication Needs: If SCADA or Ethernet networking is required, ensure Modbus TCP or EtherCAT support.
- Expansion Capability: Modular systems like AH Series allow scalable expansion.
- Environmental Conditions: Confirm operating temperature range, panel protection level, and power supply stability.
Why Industries Choose Delta PLC
- Cost-Effective Automation Solution: Optimized architecture reduces system cost without compromising performance.
- Compact and Modular Design: DIN rail mounting and expansion modules simplify panel design.
- Flexible Communication Support: Multi-protocol support ensures integration with HMIs, VFDs, and SCADA.
- Reliable Industrial Performance: Robust hardware design ensures consistent real-time processing.
- Easy Programming Environment: ISPSoft and DIAStudio streamline engineering workflows.
- Scalable Control Systems: Supports small OEM machines to large modular automation systems.
People Also Ask
What is Delta in PLC?
Delta PLC is an industrial programmable logic controller manufactured by Delta Electronics, Inc. It controls machines by reading inputs, executing programmed logic, and updating outputs in real time.
What are the types of PLC?
The types of PLC include compact, modular, rack-based, and programmable automation controllers (PACs).
- The two major types of PLC are Fixed/Integrated/Compact PLC and Modular PLC.
- PLC types based on Output: Relay Output, Transistor Output, Triac Output.
- PLC types based on Size: Mini PLC, Micro PLC, Pico/Nano PLC.
- Safety PLCs serve safety-critical applications.
How does Delta PLC work?
It operates using a scan cycle: input scan, logic execution, and output update. The CPU processes Ladder Logic or Structured Text instructions to control field devices.
What programming software is used?
Delta PLC uses ISPSoft and DIAStudio for Ladder Logic, FBD, ST, and SFC programming.
How reliable is Delta PLC?
With CE, UL, and RoHS compliance, Delta PLC offers industrial-grade reliability for long-term operation
Across global industry, Delta PLC, Delta Programmable Controller, and Delta Industrial Controller refer to the DVP-based automation platform. Selecting the right Delta PLC requires evaluating I/O configuration, communication protocols, motion requirements, and scalability. IndMALL provides structured access to series and model-level specifications.