Description

CI541V1 (3BSE014666R1) ABB Profibus DP Interface Submodule

Technical Specifications

• Product Model: CI541V1 3BSE014666R1
• Brand: ABB
• Warranty: One Year
• Input Voltage: Powered via system backplane 5VDC internal bus
• Operating Temperature: -20°C to +70°C
• Storage Temperature: -40°C to +85°C
• Response Time: Maximum 937.5μs Profibus DP cycle time
• Protection Class: IP20 rack-mounted Eurocard module
• Accuracy Class: N/A (communication gateway card)
• Output Frequency: Bus baud rate up to 937.5 kbps
• Rated Current Range: Max 220mA total power consumption
• Communication Interface: Galvanically isolated Profibus DP RS485 port, internal Advant Controller backplane bus
• Supported Protocols: Profibus DP V0/V1, ABB proprietary MasterBus 300 backplane protocol
• Overload Capacity: Port-level short-circuit, reverse polarity, ESD and surge suppression protection
• Dimensions: 255 mm × 125 mm × 20 mm
• 

Product Overview

The CI541V1 3BSE014666R1 is a dedicated Profibus DP communication submodule designed for ABB Advant OCS, AC450 controllers and System 800xA distributed control platforms, serving as the protocol conversion gateway between the central DCS controller and field Profibus DP slave devices. It collects real-time process data from remote I/O stations, variable frequency drives, valve positioners, motor protection relays and flow transmitters on the Profibus fieldbus, then forwards packaged datasets to the main CPU for closed-loop regulation, alarming and historical logging. This module resolves key system integration pain points, including protocol incompatibility between legacy ABB DCS and third-party Profibus peripherals, bus load overburden on the main controller, signal distortion caused by ground loops in long-distance field wiring, and limited multi-drop device expansion capacity of native controller ports. Galvanic isolation on the DP bus port effectively blocks electromagnetic interference generated by high-power inverters and switching contactors in power, petrochemical and metallurgical plant control rooms. DCS system integrators, process automation engineers, plant maintenance technicians and instrumentation supervisors gain flexible third-party device access and simplified network topology management from its compact submodule form factor. It executes continuous bus diagnostic scanning, stores bus configuration parameters and communication fault records in non-volatile memory, supports hot swapping in the standard ABB SU rack subframe, and complies with international IEC 61158 Profibus and industrial EMC standards for uninterrupted long-term process operation.