Product Details
Description
The CI854A is a key System 800xA module that manages complex fieldbus networks, supporting up to 125 slaves per channel and full DP-V1 compliance for remote device configuration and asset management. It mounts on the CPU’s CEX-Bus, draws internal power, and fits compactly in high-density cabinets. With extensive diagnostics and support for redundant masters, it ensures high system availability.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: CI854A (3BSE030221R1)
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Interface Protocol: PROFIBUS DP-V1
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Data Transfer Rates: 9.6 kbit/s to 12 Mbit/s
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Max Slave Nodes: 125 devices
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Controller Interface: CEX-Bus (Communication Expansion)
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Input Voltage: 24 VDC (Internal)
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Redundancy: Supports 1:1 redundancy for master failover
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Connector Type: 9-pin D-sub (RS-485)
Features
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Advanced Diagnostic Capability: Native DP-V1 support facilitates the retrieval of acyclic data, enabling predictive maintenance and secondary variable monitoring.
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Network Reliability: Compatible with redundant module configurations to ensure that communication with field assets remains uninterrupted during a module failure.
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Deterministic Timing: Delivers high-speed, synchronized data throughput suitable for precision process control and high-performance automation tasks.
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Simplified Integration: Seamlessly recognized by ABB Control Builder tools, allowing for fast hardware mapping and centralized device configuration.
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Galvanic Protection: Features integrated isolation to protect the AC 800M processor from electrical transients and field-side surges.
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Live Configuration: Supports the addition and modification of slave devices during operation without requiring a system restart.
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
Why Programmable Logic Controllers Drop into Stop Mode: An Expert Analysis
Industrial automation systems rely heavily on Programmable Logic Controllers (PLCs) to maintain uninterrupted production. When a PLC unexpectedly shifts from Run to Stop mode, whole manufacturing lines stall.
As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.