Product Details
Description
The ABB CI853A is a high-reliability serial communication interface module engineered for the AC 800M controller series within the System 800xA framework. This specific "A" variant offers enhanced performance for point-to-point serial connectivity, providing two independent RS-232C ports. It serves as a vital bridge for integrating non-networked peripherals—such as printers, terminals, modems, and third-party PLC systems—directly into the process control environment. The module ensures secure data flow and protocol flexibility for critical industrial applications.
Specifications
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Manufacturer: ABB
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Country of Origin: Switzerland
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Model Number: CI853A
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Order Code: 3BSE018103R1
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Product Type: Serial Communication Interface
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Channels: 2 Isolated RS-232C Ports
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Baud Rate: Up to 115.2 kbps
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Dimensions: 185 mm x 59 mm x 127.5 mm
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Weight: 0.55 kg
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Isolation: Galvanic isolation per port
Features
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Multi-Protocol Versatility: Supports a wide range of standard serial protocols including Modbus RTU, COMLI, and Siemens 3964R.
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Hardware Flow Control: Full support for RS-232 signals (RTS, CTS, DTR, DSR) enabling stable communication with telecommunication modems.
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Controller-Based Processing: Offloads serial communication tasks from the main CPU to ensure consistent controller performance.
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Simplified Diagnostics: Front-mounted LED status indicators provide immediate visual feedback for module health and port traffic.
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Compact Integration: Designed for efficient mounting on the AC 800M communication expansion bus, saving cabinet space.
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Hot-Swap Support: Allows for module replacement without interrupting the entire system's power, maintaining process uptime.
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
Preventing Spurious Trips in Emergency Stop Systems: A Technical Guide
In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.
Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.