ABB SPASI23 Analog Input Module
Description
ABB SPASI23 Analog Input Module is a high-performance signal acquisition component belonging to the ABB Symphony Plus automation system series. It converts analog signals from industrial sensors into digital data for processing by PLC or DCS systems, with robust design for harsh industrial environments.
| Specification | Value |
|---|---|
| Channel Count | 4, 8, or 23 channels (varies by configuration) |
| Input Signal Types | 0-20mA, 4-20mA, 0-10V, ±5V, ±10V, thermocouples (J, K, T, E, R, S, B types) |
| Accuracy | ±0.05% to ±0.1% FSR, 16-bit ADC resolution |
| Isolation | 1500V AC between channels, common mode rejection ratio ≥120dB |
| Operating Temperature | -40 to 85 degrees Celsius |
| Communication Interfaces | Symphony Plus network, Profibus DP, Modbus RTU, RS-485, optional fiber interface |
| Protection Rating | IP30 |
Key Features:
- Multi-channel design with electrical isolation for enhanced system reliability and anti-interference performance
- Supports HART protocol penetration for smart sensor communication, with hot-swap capability for fast maintenance
- High sampling rate up to 1000Hz for rapid process variable monitoring, meets SIL 3 safety standards
- Durable aluminum housing with 35mm DIN rail mounting, design life over 15 years
Applications:
- Process control in oil, chemical, power, metallurgy, and paper industries for temperature, pressure, and flow monitoring
- Manufacturing production line control, smart grid energy management, and building automation systems
- New energy power stations and environmental monitoring systems for data collection and analysis
Related Models:
- ABB SPASI21 Analog Input Module
- ABB SPASI22 Analog Input Module
- ABB SPASI24 Analog Input Module