Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB CI801 |
| Manufacturer | ABB |
| Product Category | Communication Interface Module |
| Interface Type | RS-232/RS-485 |
| Communication Protocols | Modbus RTU, Profibus DP |
| Data Transfer Rate | Up to 115.2 kbps |
| Isolation Voltage | 1500 V AC |
| Power Supply | 24V DC (±10%) via backplane |
| Operating Temperature | -25°C to +70°C |
| Dimensions | 120 x 30 x 110 mm |
| Protection Rating | IP20 |
| Compatibility | ABB S800 I/O System |
ABB CI801
Product Introduction
The ABB CI801 is a versatile communication interface module designed for industrial automation systems, serving as a critical link between field devices and control systems. As part of ABB’s S800 I/O family, the ABB CI801 enables seamless integration of serial communication devices with ABB’s AC 800M and Advant Controller 800M systems. This robust module supports multiple communication standards, making it an essential component for modern industrial networks.
Engineered for reliability in harsh environments, the ABB CI801 provides galvanic isolation and supports both point-to-point and multi-drop network configurations. Its flexible protocol support allows connection to a wide range of field instruments, drives, and other automation equipment, simplifying system integration while maintaining high data integrity.
Core Advantages and Technical Highlights
Multi-protocol support: The ABB CI801 offers native support for Modbus RTU and Profibus DP protocols, enabling connection to diverse field devices without additional converters. This flexibility reduces system complexity and maintenance requirements.
Robust communication: With data transfer rates up to 115.2 kbps and 1500V AC isolation, the module ensures reliable data transmission even in electrically noisy industrial environments. The RS-485 interface supports networks with up to 32 devices.
Seamless integration: Designed specifically for ABB’s S800 I/O system, the ABB CI801 provides plug-and-play compatibility with AC 800M controllers. The module’s configuration is easily managed through ABB’s Control Builder engineering tool.
Extended temperature range: Operating reliably from -25°C to +70°C, the ABB CI801 is suitable for installation in challenging environments including outdoor cabinets and unheated industrial facilities.
Typical Application Scenarios
The ABB CI801 finds extensive use in various industrial automation scenarios:
Process industries: In oil refineries and chemical plants, the module connects flow computers and smart transmitters to the control system via Modbus RTU, enabling real-time monitoring of process variables.
Manufacturing automation: The ABB CI801 interfaces with CNC machines and robotic cells using Profibus DP, facilitating seamless data exchange in automated production lines.
Energy management: In power distribution systems, the module integrates power meters and protection relays with the central SCADA system, supporting efficient energy monitoring and control.
ABB CI801
Related Model Recommendations
ABB CI801A: Enhanced version with additional protocol support
ABB CI840: Ethernet communication module
ABB CI854: PROFIBUS DP/V1 master module
ABB AI801: Analog input module for signal acquisition
ABB AO801: Analog output module for control signals
ABB DI801: Digital input module
ABB DO801: Digital output module
ABB TU847: Terminal unit for S800 I/O modules
Installation, Commissioning and Maintenance Instructions
Installation preparation: The ABB CI801 should be mounted on a standard S800 I/O baseplate in a properly ventilated enclosure. Ensure proper grounding and maintain adequate clearance around the module for heat dissipation. Verify that communication cables are properly shielded and routed away from power lines.
Maintenance suggestions: Periodically check communication connections for tightness and corrosion. Monitor communication error counters in the control system and investigate any increasing error rates. Firmware updates should be performed during planned maintenance windows using ABB’s official tools and procedures.
Service and Guarantee Commitment
ABB provides a comprehensive 36-month warranty for the ABB CI801, covering defects in materials and workmanship. Customers benefit from ABB’s global technical support network, including online resources, telephone support, and field service engineers. The module is supported by ABB’s long-term availability program, ensuring spare parts availability for at least 10 years after product discontinuation. Configuration templates and application examples are available through ABB’s customer portal.
