Delta ASN122 Analog Input Module: Comprehensive Technical Guide
Delta ASN122 Analog Input Module: Professional Industrial Automation Solution
Advanced 2-channel analog input module for precise industrial measurement and control applications
Product Overview
The Delta ASN122 is a high-performance analog input module designed for Delta's AS Series Compact Modular Mid-range PLC systems. This professional-grade module provides reliable analog signal acquisition capabilities for industrial automation applications requiring precise measurement and control.
Key Features
- 2-channel analog input with high-resolution conversion
- Support for multiple signal types: 0-10V, 4-20mA, 0-20mA
- Fast conversion time of 2-3 ms per channel
- Compatible with Delta AS Series PLC systems
- Industrial-grade reliability and durability
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | ASN122 |
| Input Channels | 2 channels |
| Input Signal Types | 0-10V, 4-20mA, 0-20mA |
| Resolution | 12-bit (0-10V), 11-bit (4-20mA) |
| Conversion Time | 2-3 ms per channel |
| Isolation | Photocoupler isolation between channels and system |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -25°C to 70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Compatible Series | Delta AS Series PLC |
Product Images and Documentation
Product Demonstration Video
Applications and Use Cases
The Delta ASN122 analog input module is ideal for various industrial applications including:
- Process Control Systems: Temperature, pressure, and flow monitoring
- Manufacturing Automation: Position sensing and quality control
- Energy Management: Power monitoring and consumption analysis
- Building Automation: HVAC control and environmental monitoring
- Water Treatment: Level and flow measurement
Frequently Asked Questions (FAQ)
What PLC systems is the ASN122 compatible with?
The ASN122 is specifically designed for Delta's AS Series Compact Modular Mid-range PLC systems, including AS300 and AS200 series controllers.
What is the maximum number of ASN122 modules I can connect?
Delta AS Series PLCs support up to 32 extension modules, allowing for significant system expansion capabilities.
How do I wire the 4-20mA inputs?
The ASN122 supports both 2-wire and 4-wire transmitter connections. Refer to the wiring diagrams in the technical documentation for proper installation.
What is the conversion accuracy of the module?
The module provides 12-bit resolution for voltage inputs (0-10V) and 11-bit resolution for current inputs (4-20mA), ensuring high precision measurement.
Is there isolation between input channels?
Yes, the ASN122 provides photocoupler isolation between channels and between the input channels and the PLC system for enhanced noise immunity and safety.
Installation and Configuration
The ASN122 module is designed for easy installation on standard DIN rails. Configuration is performed through Delta's ISPSoft programming software, where you can set input ranges, scaling parameters, and filter settings for optimal performance in your specific application.
Installation Best Practices
- Ensure proper grounding and shielding for analog signals
- Maintain adequate clearance from high-voltage cables
- Use twisted-pair cables for long-distance signal transmission
- Verify signal conditioning requirements for your sensors
- Follow EMC guidelines for industrial environments
Technical Support and Documentation
Delta Electronics provides comprehensive technical support and documentation for the ASN122 module, including:
- Detailed hardware manuals with wiring diagrams
- Programming guides and application examples
- Troubleshooting guides and diagnostic procedures
- Technical support through authorized distributors
- Online resources and community forums
Industry Certifications and Compliance
The Delta ASN122 module complies with international industrial standards including:
- CE Marking for European market
- UL Certification for North American markets
- RoHS compliance for environmental safety
- Industrial EMC standards for electromagnetic compatibility
