Description

Overview

The ABB SPASI23 is a high-precision analog input module designed for the Symphony™ Enterprise Management and Control System. With 16 isolated input channels, each equipped with its own 24-bit analog-to-digital converter, the SPASI23 delivers exceptional flexibility and accuracy in monitoring and controlling industrial processes. It supports a wide range of input types including thermocouples, RTDs, millivolt, voltage, and current signals, making it a versatile solution for complex automation environments.

Key Features

• 16 analog input channels, each with individual A/D converters

• Supports thermocouples, RTDs, millivolt, voltage, and current inputs

• 24-bit resolution for high-accuracy signal conversion

• Independent channel configuration for mixed input types

• Cold junction compensation for thermocouple accuracy

• Automatic recalibration to correct for aging and temperature drift

• Factory-calibrated with compensation for offset, gain, and nonlinearity

• Engineering unit conversion to °C or °F for temperature inputs

• Hot-swappable—can be installed or removed without powering down

• Compatible with SPASI03 and SPASI13 modules (with minor updates to FC 216)

Supported Input Types

• Thermocouples: B, E, J, K, L, N (14 AWG & 28 AWG), R, S, T, U, Chinese E & S

• Millivolt: –100 to +100 mV

• RTDs: 3-wire types (10, 100 U.S., 100 European, 120, Chinese 53 ohm)

• Voltage: –10 to +10 VDC

• Current: 4 to 20 mA

Technical Specifications

Specifications

• Dimensions: 73.3 mm × 360.6 mm × 26.9 mm
• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems