Description

Overview

The ABB IMASI13 is a multi-channel analog input module developed for the Symphony INFI-90 distributed control platform. It is responsible for collecting analog field signals, performing signal conditioning, and converting them into digital values for processing by the control system.

Designed for precision and reliability, this module supports a wide range of industrial measurement inputs and ensures stable acquisition even in electrically noisy environments. It is commonly deployed in critical process industries requiring consistent and accurate signal monitoring.

Core Capabilities

• Accepts multiple analog signal types from field instrumentation

• Performs signal conditioning including filtering and scaling

• Converts analog signals into digital data using high-resolution A/D conversion

• Provides isolation to reduce interference and protect system integrity

• Reports module and channel diagnostics to the control processor

• Integrates seamlessly into INFI-90 I/O architectures

Technical Specifications

Electrical Characteristics

• Backplane Supply: 5 VDC

• Power Consumption: Approximately 6–8 VA

• Input Signal Types: Configurable analog current and voltage

Input Configuration

• Number of Channels: 16 independently configurable channels

• Current Input Range: 4–20 mA

• Millivolt Input Range: –100 mV to +100 mV / 0 to 100 mV

• Input Isolation: Channel-to-channel and channel-to-system isolation

Analog Performance

• A/D Converter Resolution: Typically 12–16 bit class

• Signal Filtering: Combined hardware and digital filtering

• Measurement Accuracy: Industrial-grade precision for process control

Communication Interface

• System Bus: INFI-90 I/O communication bus

• Data Handling: Buffered and synchronized data transfer

• Diagnostics: Continuous monitoring of channel status and module health

Environmental Conditions

• Operating Temperature: 0°C to +60°C

• Storage Temperature: –40°C to +85°C

• Humidity: 5% to 95% non-condensing

Mechanical Specifications

• Dimensions: 7.0 × 2.0 × 13.0 in (17.8 × 5.1 × 33.0 cm)

• Weight: 0.4 kg

• Form Factor: Eurocard module for INFI-90 systems

• Mounting: Compatible with Module Mounting Unit (MMU)

Front Panel Features

• Module status indicator

• Channel activity/status LEDs

• Identification labeling

Application Areas

The ABB IMASI13 is used in process environments where accurate analog data acquisition is essential:

• Power generation plants including thermal and nuclear facilities

• Oil refining and petrochemical processing units

• Pulp and paper manufacturing systems

• Heavy industrial automation with distributed control requirements

FAQ

What types of signals can the IMASI13 accept?
It supports standard industrial analog signals such as 4–20 mA and low-level millivolt inputs, depending on configuration.

How many input channels are available?
The module provides 16 independently configurable input channels.

Is the module suitable for noisy environments?
Yes, built-in filtering and isolation features ensure stable performance in high-interference conditions.

How does it communicate with the control system?
It uses the INFI-90 I/O bus with buffered and synchronized data transfer to maintain real-time performance.

Specifications

• Brand: ABB

Advantages

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