ABB SPASI23 Analog Input Module | 16-Channel, High Precision, 1500V Isolation

ABB SPASI23 analog input module specifications. 16 channels, ±0.1% accuracy, 1500V isolation, supports TC/RTD/mV/4-20mA inputs. For industrial automation.

ABB SPASI23 Analog Input Module

The ABB SPASI23 is a high-performance, 16-channel analog input module designed for industrial automation and process control systems. It provides precise signal conditioning and conversion for various sensor types, featuring channel-to-channel isolation and advanced diagnostics for reliable operation in demanding environments.

Key Features

• High Precision:​ ±0.1% full-scale accuracy for critical measurement applications.

• Multi-Signal Support:​ Configurable for thermocouples (TC), RTDs, millivolts (mV), and current/voltage signals.

• Robust Isolation:​ 1500V channel-to-channel and channel-to-system isolation.

• Advanced Diagnostics:​ Real-time monitoring and fault detection capabilities.

Technical Specifications

Input Signal Ranges (Configurable per Channel)

Typical Applications

• Process Control:​ Temperature, pressure, and flow monitoring in chemical and petrochemical plants.

• Power Generation:​ Monitoring critical parameters in turbines, boilers, and generators.

• Manufacturing:​ Machine condition monitoring and quality control systems.

• Water/Wastewater:​ Level and flow measurement in treatment facilities.

Important Configuration Notes

1. System Compatibility:​ The SPASI23 requires a compatible ABB base unit (e.g., TB820) and communication module (e.g., CI871) for integration into a control system.

2. Wiring Requirements:​ Use shielded twisted-pair cables for analog signals, with proper grounding practices to minimize noise.

3. Configuration:​ Channel types and ranges must be configured using ABB's Control Builder M engineering tool.

4. Calibration:​ Periodic calibration is recommended to maintain measurement accuracy, especially for critical applications.

Note: Specifications are based on the standard SPASI23 module. For detailed installation guidelines, configuration procedures, and performance curves, consult the official ABB SPASI23 Technical Manual​ (3BSE018290R0101).