Product Details
Description
The ABB INNIS21 is a high-performance network interface component specifically engineered for the INFI 90 and Symphony Plus distributed control systems. Functioning as a specialized communications processor, this module serves as the essential bridge between the high-speed Infi-Net (Cnet) plant loop and the local controller backplane. Its primary objective is to manage the complex protocols of the network layer, ensuring that process data, control commands, and system messages are synchronized across different nodes without burdening the main control processor. The INNIS21 provides the deterministic, real-time data throughput required for large-scale industrial automation environments where network reliability is paramount.
Specifications
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Brand: ABB Bailey
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Model Number: INNIS21
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Product Series: INFI 90 / Symphony Plus
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Component Type: Network Interface Slave (NIS)
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Connectivity Interface: Infi-Net (Cnet) to Harmony Control Bus
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Data Transfer Protocol: Proprietary Synchronous Network Protocol
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Power Requirements: +5 VDC (sourced via system backplane)
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Slot Consumption: Single slot in standard Module Mounting Unit (MMU)
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Operating Temperature Range: 0 to 70 degrees Celsius
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Diagnostic Indicators: Front-panel LED array for network status monitoring
Features
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Advanced Network Routing: Efficiently directs traffic between the plant-wide loop and local rack controllers to ensure low-latency data availability.
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Redundant Loop Capability: Built to support dual-path communication architectures, providing automatic failover to maintain system uptime during network cable damage.
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Dedicated Protocol Handling: Offloads all network management tasks from the processing module, optimizing the CPU cycles available for control logic execution.
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Autonomous Error Correction: Implements hardware-based checksums and parity checks to guarantee the integrity of data packets transmitted across the industrial network.
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Hardware Compatibility: Designed for seamless integration into both legacy Bailey INFI 90 racks and modern Symphony Plus hardware cabinets.
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On-Board Diagnostics: Continually performs internal health checks and monitors network signal quality, providing immediate notification of potential communication bottlenecks.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.