3IF761.9 Interface Module Detailed Product
 Description Product Introduction

3IF761.9 is an aPCI bus PROFIBUS‑DP master interface module specifically designed for industrial fieldbus communication and配套 to the B&R SYSTEM 2005 platform. It is used to expand the high-speed fieldbus networking capability of PLC systems. The module integrates a single electrically isolated PROFIBUS‑DP master interface and a single RS232 serial port. It is installed using a direct-insertion slot and supports hot swapping. It is suitable for the industrial environment in control cabinets and can efficiently connect remote I/O， frequency converters， servo drives， and other DP slave devices. It is a core expansion component for building distributed control systems， achieving high-speed data interaction and device networking. Basic Information

The product model is 3IF761.9, belonging to the B&R (Beckhoff) brand and the SYSTEM 2005 series aPCI communication interface module. The product type is PROFIBUS-DP master station + RS232 dual-interface communication module. The installation method is plug-in type, compatible with the 2005 series CPU and IF060, IF260 and other standard IF slot positions. The width of the shape is approximately 35mm, the height is 126.1mm, the depth is 54mm, and it is lightweight. The protection level is IP20, and it is only suitable for indoor control cabinets. The working power supply is provided by the system backplane with 3.3VDC and 5VDC, the total power consumption is approximately 1.44W, and no additional external power supply is required. It has passed international industrial certifications such as CE and UKCA, complies with industrial EMC and safety standards, and is suitable for long-term stable operation in industrial scenarios.

Function and Position

This module serves as the PROFIBUS-DP master station communication core of the SYSTEM 2005 PLC, undertaking high-speed fieldbus data interaction and equipment control tasks. It integrates 1 PROFIBUS-DP master station interface (DB9 connector) and 1 RS232 interface (DB9 connector). The dual interfaces and the interface with the system bus have electrical isolation. The supported protocols are PROFIBUS-DP V0/V1 and RS232 asynchronous communication; the PROFIBUS-DP transmission rate is up to 12Mbps, automatically negotiating the baud rate, and RS232 supports 300–115200bps baud rates. The PROFIBUS-DP master station capacity is up to 124 slave stations, the maximum input data is 3.5KB, and the maximum output data is 3.5KB; in terms of transmission distance, the standard DP cable has a maximum length of 1000 meters (9.6kbps) in single segment, and up to 100 meters in high-speed 12Mbps mode. The power consumption is 0.15W for 3.3VDC and 1.29W for 5VDC, totaling 1.44W; the operating temperature range is 0℃ to + 60℃, the storage temperature range is -25℃ to + 70℃, the relative humidity is 5% to 95%, and there is no condensation. The panel is equipped with multiple groups of LED status indicator lights, respectively indicating PROFIBUS link, data activity, fault alarm, and power status, supporting rapid diagnosis; the configuration method is through the Automation Studio software, setting baud rate, slave station address, communication cycle, and parameters. It is suitable for fieldbus networking and system expansion in scenarios such as factory automation, process control, and motion control. General-purpose adapter

Communication cable adapter for PROFIBUS-DP standard shielded twisted pair (purple) and RS232 shielded serial cable; connection accessories include industrial-grade DB9 shielded connector, connector sheath, terminal resistor (DP bus-specific); installation accessories can be selected from the SYSTEM 2005 series standard backplane (6/9/12 slots), DIN rail installation kit; accompanying software tools include B&R Automation Studio programming configuration software, PROFIBUS-DP configuration tool, network diagnostic tool, and serial port debugging assistant.

Applicable equipment fields

Widely used in industrial automation systems such as SYSTEM 2005 PLC control system, distributed I/O system, factory fieldbus network; suitable for PROFIBUS-DP master station networking, data interaction between PLC and frequency converter / servo drive / remote I/O, process data collection and equipment monitoring system; can be matched with general industrial mechanical equipment such as CNC machines, industrial robots, packaging machinery, textile equipment, injection molding machinery, electronic processing equipment; in process industries, it can be used for real-time control and data networking in water treatment, food and beverage, pharmaceuticals, and small and medium-sized chemical industries; at the same time, it is suitable for upgrading old equipment PROFIBUS bus, upgrading distributed control system architecture, and expanding fieldbus communication scenarios.