XD3 Series Standard PLC Controller: Full-Featured, Stable Performance for Diverse Industrial Needs
The XD3 Series Standard PLC Controller is a high-performance industrial automation solution engineered to deliver comprehensive functionality and rock-solid operational stability across diverse industrial scenarios. Equipped with a full suite of core control features, it seamlessly handles tasks ranging from basic logic control and sequential operations to analog signal processing and communication integration.
Product Features
- Comprehensive Control Functions: Supports basic logic control, sequential control, analog input/output processing, and high-speed counter operations
- Stable & Durable Hardware Design: Industrial-grade components with strong anti-interference capability, resistant to voltage fluctuations and temperature variations
- Flexible Communication Compatibility: Integrates common industrial communication protocols for seamless peripheral device connection
- Easy Programming & Maintenance: Compatible with user-friendly programming software supporting ladder diagram and function block diagram
- Compact & Space-Saving Structure: Rack-mounted or DIN rail-mounted design with small footprint
Core Advantages
- High Operational Stability: Low failure rate with continuous stable operation for long periods
- Strong Scalability: Supports expansion module connection for flexible I/O point increases
- Cost-Effective Solution: Balances comprehensive functions with affordable pricing
- Wide Industrial Adaptability: Applicable to machinery manufacturing, packaging, textile, and water treatment industries
- Low Threshold for Use: Simple programming logic and intuitive operation interface
Technical Specifications
| Category |
Specific Parameter |
Specification Details |
| Power Supply Specifications |
Input Voltage |
19VDC~30VDC (Nominal 24VDC) |
| Input Current |
0.85A (19VDC input, full-load output) |
| Internal Output Power |
5V/GND: 900mA; 24V/GND: 300mA (expansion bus) |
| Power Supply Protection |
Reverse polarity protection supported; system isolated from field power supply |
| I/O Configuration |
Built-in Digital Inputs |
8~36 points (varies by model), 24VDC input, source/sink configurable |
| Built-in Digital Outputs |
6~24 points (varies by model), relay/transistor type optional |
| Analog Inputs |
2 channels, 0~10V voltage / 0~20mA current input, 16-bit resolution |
| Analog Outputs |
2 channels, 0~10V voltage / 0~20mA current output, 16-bit resolution |
| Maximum Extended I/O Points |
Supports 7 expansion modules, expandable up to 128 points total |
| Communication Interfaces |
Communication Ports |
1×Ethernet port, 2×RS485 ports |
| Supported Protocols |
Modbus RTU, Modbus TCP |
| Baud Rate Range |
1200bps~115200bps |
| Programming Features |
Programming Software |
Compatible with mainstream PLC programming software |
| Programming Languages |
IEC 61131-3 standard: Ladder Diagram, Function Block Diagram, Structured Text |
| Program Memory |
1MBytes |
| Data Memory |
1MBytes, 3KB power-fail retention area |
| Physical & Environmental |
Mounting Method |
35mm DIN rail mounting |
| Dimensions |
Compact design, standard width ≤80mm |
| Operating Temperature |
-30℃~70℃ |
| Operating Humidity |
5%~95%RH (non-condensing) |
| Protection Class |
IP20 |
| Performance Parameters |
Switching Response Time |
Input: ≤10ms; Output: Relay ≤20ms, Transistor ≤0.5ms |
| High-speed Output Frequency |
Transistor Y0~Y1: 100kHz; Y2~Y3: 10kHz |
| Instruction Execution Speed |
Basic logic instructions: 0.21μs/instruction |
Model Configuration
| Model No. |
Digital I/O |
Analog I/O |
Communication |
Output Type |
Key Features |
| XD3-14DI8DO-A |
14 in / 8 out |
2 in / 2 out |
1×RS485 |
Relay |
Cost-effective, basic control functions |
| XD3-24DI16DO-B |
24 in / 16 out |
2 in / 2 out |
1×Ethernet, 1×RS485 |
Relay/Transistor |
Expanded I/O capacity, dual communication |
| XD3-36DI24DO-C |
36 in / 24 out |
2 in / 2 out |
1×Ethernet, 2×RS485 |
Relay/Transistor |
Maximum built-in I/O points |
| XD3-16DI10DO-D |
16 in / 10 out |
2 in / 2 out |
1×Ethernet, 2×RS485 |
Transistor |
Compact size, rich communication |
| XD3-20DI14DO-E |
20 in / 14 out |
2 in / 2 out |
1×Ethernet, 1×RS485 |
Relay/Transistor |
Fault self-diagnosis, power-off retention |
Industry Applications
- Automotive Component Manufacturing: Assembly line stations, conveyor belt control, robotic pick-and-place units
- Packaging & Labeling Machinery: Food, beverage, pharmaceutical packaging lines with quick recipe switching
- Textile Machinery: Loom speed regulation, yarn tension control, fabric defect detection
- Water & Wastewater Treatment: Pump control, chemical dosing systems, level monitoring
- Material Handling & Logistics: Warehouse conveyor systems, palletizing machines, sorting operations
- Plastic Injection Molding: Mold clamping, material injection, cooling timer control
- Solar Panel Production: Panel lamination, framing, testing station control
Installation & Operation Q&A
Q1: PLC indicator light doesn't turn on after power-on in European/American workshops
A: Check voltage compatibility and power terminal wiring. Industrial grid voltage fluctuations may differ. Ensure proper polarity and consider using an independent regulated power supply.
Q2: Frequent I/O point false triggering in hot, humid Southeast Asian conditions
A: Install dehumidifier or desiccant packs in control cabinet. Separate sensor signal wires from power cables and ensure tight terminal connections to prevent moisture-related issues.
Q3: Communication issues with Siemens HMI using Modbus protocol
A: Verify baud rate and parity bit settings match (commonly 9600bps in Europe). Check station address conflicts and use proper shielded twisted pair cables with single-end grounding.
Q4: PLC crashes in high-temperature Middle Eastern workshops
A: Place control cabinet in ventilated area away from heat sources. Install cooling fan and maintain minimum 5cm spacing around PLC for proper heat dissipation.
Q5: Analog data collection inaccuracies in Latin American installations
A: Use three-wire analog connections with shielding grounded. Enable digital filtering (100ms) in programming software and calibrate on-site sensors for accuracy.
Certifications & Quality Assurance
- CE Certification (EU): Complies with Low Voltage and Electromagnetic Compatibility Directives
- RoHS Certification (Global): Meets RoHS 2.0 environmental requirements
- FCC Certification (US & Canada): Complies with FCC Part 15 Class B standards
- IEC 61131-3 Certification: International standard for programmable controllers
- ISO 9001:2015 Quality Management: Full production process quality control
All products undergo rigorous reliability testing including 72-hour high-temperature operation, power cycling tests, EMC interference tests, and salt spray corrosion testing. Backed by 2-year global warranty service.
