Product Details
Description
The CI840A module controls communication between S800 I/O stations and the PROFIBUS DP network. Supporting the DP-V1 protocol and line redundancy, it enables advanced diagnostics and uninterrupted operation, ideal for high-reliability applications in oil, pharmaceutical, and utility industries.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: CI840A
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Order Number: 3BSE041882R1
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Product Series: S800 I/O
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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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Redundancy: Supports dual-FCI line redundancy
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Input Voltage: 24 V DC
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Approximate Weight: 0.32 kg
Features
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Enhanced Diagnostics: Implements DP-V1 functionality for comprehensive alarm handling and acyclic data access to field instruments.
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Redundant Architecture: Supports seamless failover when used in a redundant pair, maintaining process stability during hardware or link faults.
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Hot-Swappable Design: Allows for the removal and replacement of the module under power without disturbing the remaining I/O cluster.
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Automatic Baud Rate Detection: Simplifies commissioning by automatically synchronizing with the network master's transmission speed.
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Status Monitoring: Integrated LED indicators provide local status for module health, network activity, and redundancy synchronization.
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
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.