Description

The ABB Bailey INNIS21 is a Network Interface Slave (NIS) module designed for the Infi 90 distributed control system. This module serves as a critical communication bridge, facilitating data exchange within the control network. As a slave unit, it manages the interface between the control bus and the associated process hardware, ensuring reliable signal transmission and system integration.

Features

• Designed for seamless integration with the ABB Bailey Infi 90 control architecture.
• Supports multiple selectable communication rates to accommodate various network configurations.
• Robust design suitable for standard industrial control environments.
• Compatible with various spare model designations including PINNIS21, INNIS21R, and YINNIS21.

Technical Specifications

Installation Guidelines

• Ensure the system power is disconnected before installing or removing the module from the rack.
• Handle the module using proper ESD (Electrostatic Discharge) protection practices to prevent damage to internal circuitry.
• Verify that the module is fully seated in the designated backplane slot to ensure reliable electrical contact.
• Maintain proper ventilation within the cabinet to stay within the specified operating temperature range.
• Ensure all communication cabling is properly shielded and routed away from high-voltage or high-EMI sources to maintain signal integrity.

FAQ

Is the INNIS21 module still in production?
No, this module has been discontinued by the manufacturer. We provide high-quality surplus or refurbished units to support legacy system maintenance.

What are the compatible spare model numbers for the INNIS21?
The INNIS21 is compatible with several alternative model designations, including PINNIS21, INNIS21R, and YINNIS21.

What is the primary function of this module?
The INNIS21 acts as a network interface slave, allowing for communication between the Infi 90 control bus and connected field devices or subsystems.