Product Details
Description
The CI840 manages the operations of a complete S800 I/O cluster, supporting up to 12 modules per station. It facilitates high-speed cyclical data exchange and acyclic communication for advanced device diagnostics and parameterization via the PROFIBUS DP-V1 standard. When used in a redundant pair with a dedicated Module Termination Unit (MTU), the CI840 provides a fault-tolerant communication solution that eliminates single points of failure. This module is widely utilized in the oil and gas, chemical, and power industries where continuous process monitoring is non-negotiable.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: CI840 (3BSE022457R1)
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Protocol: PROFIBUS DP-V1
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Transmission Rate: Up to 12 Mbit/s (Auto-baud detection)
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Capacity: Supports up to 12 S800 I/O modules per FCI
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Redundancy: Supports 1:1 redundant FCI pairs
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Input Voltage: 24 VDC nominal
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Operating Current: 160 mA typical
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Addressing: Configuration via rotary switches (1–125)
Features
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High-Availability Redundancy: Provides seamless failover capabilities when configured in pairs, ensuring the control system maintains contact with field I/O during hardware maintenance.
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DP-V1 Enhanced Diagnostics: Supports acyclic data services, allowing for sophisticated asset management and deeper diagnostic insights into smart field devices.
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Deterministic Performance: Maintains low-latency communication at speeds up to 12 Mbps, suitable for high-speed process control loops.
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Automated Module Configuration: Automatically initializes and loads parameters to all connected I/O units upon startup or module replacement.
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Flexible Installation: Easily integrates into standard DIN-rail setups and is compatible with a wide range of single and redundant MTUs.
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Industrial Hardening: Features high-level galvanic isolation and EMI protection to ensure stable operation in electrically noisy plant environments.
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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Industrial Networking Essentials: Demystifying Hubs, Switches, and Routers in Control Systems
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Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
Safety relays form the bedrock of functional safety in modern factory automation, preventing catastrophic equipment failure and protecting plant personnel. While standard electromechanical relays handle basic load switching, they lack the redundant diagnostics required for high-risk industrial environments. Modern industrial automation platforms—including programmable logic controllers (PLCs) and distributed control systems (DCS)—rely on specialized safety relays to monitor field devices and isolate hazards instantly.