Product Details
Description
The CI840A-EA is the main intelligence unit for S800 I/O stations, managing up to 12 modules via the ModuleBus. It converts fieldbus commands into local I/O actions and reports process data to the master controller. Supporting PROFIBUS DP-V1, it enables advanced diagnostics and remote configuration, making it ideal for critical oil and gas, pharmaceutical, and power applications.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: CI840A-EA (3BSE041882R1)
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Protocol: PROFIBUS DP-V1
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Baud Rate: Auto-detecting up to 12 Mbit/s
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I/O Capacity: Supports up to 12 S800 modules per station
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Redundancy: Full 1:1 redundancy support when paired
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Input Power: 24 VDC nominal
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Current Consumption: 160 mA typical
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Galvanic Isolation: Integrated system-to-field isolation
Features
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Redundant Fault Tolerance: Optimized for paired operation to eliminate single points of failure in the communication backbone.
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Smart Device Integration: Supports DP-V1 acyclic services, enabling deep diagnostic access to HART-compatible devices through the I/O rack.
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Deterministic Performance: Provides high-speed data processing and low-latency throughput for demanding real-time control loops.
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Dynamic Module Supervision: Automatically detects, initializes, and monitors the health of all connected analog and digital units in the cluster.
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Live Module Replacement: Supports hot-swapping functionality, allowing for the maintenance of individual I/O modules without halting the station bus.
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Hardened Industrial Design: Built to withstand harsh electromagnetic conditions and a wide operating temperature range in industrial cabinets.
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
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Essential Motion Control Commands: A Practical Guide for Engineers
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Mastering Modern Industrial Joystick Controls in Heavy Automation
Industrial joysticks play a pivotal role in human-machine interaction across heavy material handling and mobile hydraulics. These tactile controllers translate complex operator movements into precise electrical signals for PLCs, motion controllers, and DCS networks. Consequently, selecting and installing the right joystick architecture ensures operator safety, reduces fatigue, and optimizes equipment performance.