ABB IMASI03 Bailey Infi 90 Analog Input Slave Module

Description

The ABB IMASI03 is a high-precision Analog Input Slave module specifically engineered for the Bailey Infi 90 and Network 90 Distributed Control Systems (DCS). This module functions as a critical data acquisition interface, converting analog signals from field-level transmitters into digital values for the system's master controllers. Designed to handle up to 16 independent input channels, the IMASI03 provides the essential link for monitoring continuous process variables such as temperature, pressure, and flow. Its robust design ensures high accuracy and reliable performance in demanding industrial environments like power generation and petrochemical processing.

Specifications

• Brand: ABB Bailey

• Model Number: IMASI03

• Product Type: Analog Input Slave Module

• Series: Infi 90 / Network 90

• Channel Count: 16 Analog Inputs

• Resolution: 12-bit Analog-to-Digital conversion

• Input Signal Types: Supports 1-5 VDC, 0-5 VDC, 0-10 VDC, and 4-20 mA (with shunt resistors)

• Product Net Weight: 0.57 kg (1.26 lbs)

• Dimensions: 177.8 mm x 35.6 mm x 298.5 mm

• Power Requirements: +5 VDC at 450 mA (typical)

Features

• Multi-Channel Monitoring: Features 16 distinct analog points per module, allowing for high-density field signal integration within a single mounting slot.

• Advanced Noise Rejection: Equipped with sophisticated filtering circuitry to mitigate the effects of common-mode and transverse-mode electrical interference.

• Galvanic Protection: Provides electrical isolation between the sensitive system backplane and the field wiring, preventing field transients from affecting the DCS logic.

• System Integration: Communicates via the Infi 90 Slave Bus, allowing for seamless data handshaking with Multi-Function Processor (MFP) modules.

• Continuous Diagnostics: Performs automated self-tests on the internal A/D converter and reference circuitry to ensure long-term measurement stability and hardware health.