ABB CI627A (3BSE017457R1) Communication Interface Module

Product Overview

The CI627A 3BSE017457R1 is a dedicated communication interface module for ABB's AC800M series PLCs. Its core function is to provide high-speed, stable PROFIBUS DP-V1 slave communication for AC800M control systems. It acts as a bridge between the system and field PROFIBUS network devices (such as sensors, actuators, and other controllers), enabling bidirectional data transmission and collaborative device control. It is widely adaptable to various industrial automation scenarios, especially suitable for complex control systems requiring multi-device network communication.

Core Technical Parameters

Communication Parameters: Supports the PROFIBUS DP-V1 protocol; communication rate can be adaptively adjusted between 9.6kbps and 12Mbps to meet different transmission distances and real-time requirements; supports up to 124 PROFIBUS slave devices; supports both cyclic and non-cyclic data exchange (such as parameter reading/writing and diagnostic information transmission).

Electrical Parameters: Employs a 24VDC redundant power supply design, with a supply voltage range of 20.4VDC~28.8VDC. Typical operating current is 0.3A (without redundancy), and total current is 0.6A with redundant power supply. Features overvoltage and overcurrent protection to ensure stable operation in industrial power grid fluctuation environments.

Physical and Environmental Parameters: Module dimensions are 140mm × 100mm × 25mm (L × W × H), weighing approximately 0.2kg. Mounting is via AC800M system standard DIN rail mounting, compatible with 35mm DIN rails. Operating temperature range is -40°C to +70°C, storage temperature is -40°C to +85°C, protection rating is IP20, suitable for high and low temperature and dusty industrial environments.

Interface Configuration: Equipped with one PROFIBUS DP standard interface (9-pin D-Sub connector), supporting internal/external switching of bus terminating resistors; communicates with the CPU module via the AC800M system backplane bus, with no additional data transmission loss.

Core Functional Features:

High-speed and Stable Communication: Based on the PROFIBUS DP-V1 protocol, it supports real-time cyclic data transmission (for control commands and status feedback) and non-cyclic data transmission (for device parameter configuration and fault diagnosis), with communication latency as low as milliseconds, ensuring the real-time performance of industrial control.

Redundancy and Fault-Tolerant Design: Supports redundant power supply configuration to avoid communication interruption due to a single power supply failure; it has a bus fault diagnosis function, which can monitor the PROFIBUS bus status in real time. When abnormalities such as bus disconnection or device offline occur, it promptly sends alarm information to the CPU module for easy maintenance and troubleshooting.

Flexible Adaptability and Expansion: No additional software configuration is required; module parameter settings (such as communication rate, slave address, and data exchange area mapping) can be completed through the Control Builder M programming environment. It is seamlessly compatible with all CPU modules in the AC800M series (such as PM866 and PM864) and also supports collaboration with other ABB communication modules (such as CI854 and CI630), expanding the system's communication interface types.

Industrial-Grade Reliability: Adopting an electromagnetic interference (EMC) resistant design, it complies with the IEC 61000 series EMC standards, resisting electromagnetic interference generated by frequency converters, motors, and other equipment in industrial environments. The module's mean time between failures (MTBF) exceeds 100,000 hours, meeting the long-term stable operation requirements of critical industrial scenarios.

Typical Application Scenarios: Primarily used in industrial automation systems requiring PROFIBUS DP network networking, such as reactor control systems in the chemical industry, steel rolling production lines in the metallurgical industry, boiler auxiliary equipment control systems in the power industry, and pump station cluster control in the water treatment industry.

The applicable scenarios include: connecting field PROFIBUS DP sensors (such as pressure and temperature sensors) and actuators (such as frequency converters and solenoid valves) to achieve data acquisition and control command issuance; performing cross-system data interaction with other PROFIBUS master station devices (such as Siemens S7 series PLCs); and building a field communication layer in a distributed control system (DCS) to achieve collaborative control of multiple devices.

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