ABB SPASI23 Symphony Plus Analog Input Module

Description

The SPASI23 module supports 16 analog input channels for monitoring temperature, pressure, and flow. It accepts standard 4–20 mA and voltage signals with high-resolution conversion for accurate data. Built with galvanic isolation and advanced signal conditioning, it ensures reliable performance in demanding power and process industries.

Specifications

• Manufacturer: ABB

• Model Number: SPASI23

• Product Series: Symphony Plus / Harmony

• Module Type: Analog Input (AI) Module

• Number of Channels: 16 Isolated Inputs

• Input Signal Types: 4-20mA, 0-5V DC, 1-5V DC, 0-10V DC

• Resolution: 12-bit Minimum

• Operating Temperature: 0 to 70 degrees Celsius

• Power Requirements: 5V DC @ 150mA (via system backplane)

Features

• High-Density Monitoring: The 16-channel architecture allows for maximum point density within a single rack slot, optimizing cabinet space utilization.

• Electrical Isolation: Comprehensive channel-to-system isolation protects sensitive digital logic from field-side electrical surges and transients.

• Advanced Filtering: Onboard digital filtering technology effectively suppresses 50/60 Hz line noise and high-frequency process interference.

• Intelligent Diagnostics: Continuous background self-testing monitors module health and circuit integrity, providing early warning of sensor or hardware failure.

• Broad Compatibility: Fully compatible with standard Harmony Module Mounting Units (MMU) for seamless integration into existing INFI 90 infrastructures.