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ABB CI853K01 3BSE018103R1 Dual RS232-C
1. Product Description
The ABB CI853K01 3BSE018103R1 is a dedicated dual RS232-C interface module designed for industrial automation systems, serving as a communication bridge between ABB’s AC 800M DCS (Distributed Control System) and RS232-C compatible field devices. Equipped with two independent RS232-C serial ports, it enables reliable data transmission between the control system and low-speed serial devices such as human-machine interfaces (HMIs), printers, barcode scanners, and legacy industrial sensors. The module supports standard RS232-C protocols and baud rate configurations, ensuring seamless integration with a wide range of serial equipment in industrial environments. With its compact design, strong anti-interference capability, and easy mounting, it provides a cost-effective solution for extending serial communication functionality in industrial control networks.
2. Detailed Parameters
3. Advantages & Features
- Dual Independent Serial Ports: Two separate RS232-C ports allow simultaneous communication with two different serial devices (e.g., an HMI and a printer), eliminating the need for additional interface modules and saving cabinet space.
- Flexible Protocol Support: Compatible with Modbus RTU (common in industrial automation) and custom serial protocols, adapting to diverse legacy and modern serial equipment.
- Configurable Communication Parameters: Baud rate, data bits, parity, and flow control can be adjusted per port via software, ensuring compatibility with devices with different serial settings.
- Industrial-Grade Reliability: Withstands -40°C to +70°C wide temperature range and resists electromagnetic interference (EMI), ensuring stable operation in harsh industrial environments (e.g., factories, workshops).
- Easy Integration with AC 800M DCS: Seamlessly connects to the AC 800M backplane, requiring no additional power cables; configuration is completed via ABB’s Control Builder software, simplifying deployment.
4. Application Fields
- Manufacturing Workshops: Connecting AC 800M DCS to workshop HMIs (for local operation) and barcode scanners (for product tracking), enabling real-time data exchange between the control system and on-site operators/equipment.
- Legacy Equipment Upgrades: Integrating old industrial sensors (e.g., temperature transmitters with RS232-C output) or legacy controllers into modern AC 800M DCS, extending the lifespan of existing equipment without full replacement.
- Industrial Printing & Logging: Linking to industrial printers for printing process reports (e.g., production logs, fault records) or data loggers for storing historical operation data of the control system.
- Material Handling Systems: Communicating with conveyor belt control panels (equipped with RS232-C ports) or RFID readers (for material identification) in warehouses or logistics centers, ensuring coordinated operation of material handling equipment.
5. Precautions
- Distance Limitation: Adhere to the RS232-C standard communication distance (max 15 meters); for longer distances (over 15 meters), use RS232-to-RS485 converters to extend the range and avoid signal degradation.
- Proper Wiring: Ensure correct pin connections (TX/RX, GND) between the module and serial devices; reversed TX/RX pins will cause communication failure. Refer to the module’s pinout diagram during wiring.
- Grounding: Connect the module’s ground terminal to the system ground to reduce electromagnetic interference; poor grounding may lead to data transmission errors (e.g., garbled characters).
- Protocol Consistency: Confirm that the communication protocol (e.g., Modbus RTU master/slave mode) and parameters (baud rate, parity) of the module match those of the connected device; mismatched settings will prevent normal communication.
- Firmware Updates: Regularly check for firmware updates via ABB’s official website; updates may include bug fixes for protocol compatibility or performance improvements for stable long-term operation.
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The structure and details of the product:

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