Product Overview

• Part No: INNIS21
• Alternative Codes: PINNIS21, INNIS21R, YINNIS21
• Brand: ABB (Bailey Controls)
• Manufacturing Origin: United States
• Series: INFI90, Symphony, Symphony Plus DCS
• Type: INFI-NET Network Interface Slave Communication Module

• FunctionConnect local Harmony rack backplane with INFI-NET plant-wide control network; transmit rack control commands and field I/O data bidirectionally; complete network node polling, status monitoring and cross-rack data forwarding; support system redundant networking to guarantee uninterrupted communication of process control signals.

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Core Features

• Support INFI-NET multiple communication baud rates: 0.5Mbps, 2Mbps, 10Mbps, matching mainstream INFI90 network layout
• Galvanic isolation design between network port and rack backplane, resisting surge voltage and electromagnetic interference
• Front panel LED indicators for power supply, running status, network link and fault alarm for quick troubleshooting
• PCB conformal coating for dustproof, moistureproof and anti-corrosion performance, adapting to harsh industrial workshop environment
• Standard plug-in card for Harmony rack, hot-swappable under redundant power supply for online maintenance
• Built-in network node self-diagnosis function, automatically reporting offline, abnormal communication and hardware failure

• Allow redundant dual-module configuration to avoid communication single-point failure

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Technical Specifications

• Power Supply: 24VDC via rack backplane; 5VDC internal power consumption (max 1.1A)
• Operating Temperature: -25℃ ~ +70℃
• Storage Temperature: -40℃ ~ +85℃
• Dimension: 271.78mm(W) × 358.14mm(H) × 73.66mm(D)
• Net Weight: Approx 0.2kg
• Protection Grade: IP20, only for cabinet internal installation
• HS Code: 85389091

• Supply: Brand new original & fully tested refurbished modules available

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Compatibility

• Fits all standard Harmony racks of ABB Bailey INFI90 and Symphony DCS
• Compatible with BRC series controllers, IM series I/O modules, SP series Symphony Plus cards
• Direct plug-and-play replacement for modules with identical part number

• Cooperates with INNPM series master network interface modules to build complete INFI-NET ring network

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Application

• Network communication hub for thermal power, hydropower plant DCS control systems
• Data interconnection for petrochemical, pulp & paper, water treatment automation racks
• Spare part replacement, cabinet renovation and network reconstruction for legacy INFI90 system
• Communication redundancy upgrade of industrial process control cabinets