3IF771.9 Network and Fieldbus Modules Detailed Product Description
 Product Introduction

3IF771.9 is a aPCI bus CAN network and fieldbus module from B&R SYSTEM 2005 platform. It is specifically designed for industrial CAN bus communication and is used to expand the high-speed CAN networking capability of PLC systems. The module integrates one isolated CAN-Bus interface, is installed using a direct-insert slot method, supports hot swapping, is suitable for the industrial environment in control cabinets, and can connect CANopen devices, sensors, actuators and third-party CAN nodes, achieving distributed control and real-time data interaction. It is the core component for building CAN bus networks and expanding the fieldbus communication capability of PLC systems. Basic Information

Product model is 3IF771.9, brand is B&R Bechtel, belongs to the SYSTEM 2005 series aPCI communication module, product type is a single-channel CAN-Bus network and fieldbus module. Installation method is plug-in type, compatible with 2005 series CPU and IF060, IF260 and other standard IF slot positions. The width of the shape is approximately 35mm, height is 126.1mm, depth is 54mm, lightweight, protection level is IP20, only suitable for indoor control cabinets installation. Working power supply is provided by the system backplane 3.3VDC and 5VDC, power consumption is 0.64W for 3.3VDC, approximately 1.2W for 5VDC, totaling about 1.84W, no need for additional external power supply. Certified by international industrial standards such as CE, UKCA, EAC, etc., compliant with industrial EMC and safety regulations, suitable for long-term stable operation in industrial scenarios.

Function and Positioning

This module serves as the core expansion unit of the CAN bus communication for SYSTEM 2005 PLC, undertaking CAN network data interaction and equipment control tasks. It integrates 1 CAN-Bus interface, with electrical isolation design, effectively suppressing ground current and interference, supporting CAN 2.0A/B protocol and CANopen master/slave station functions, with a maximum transmission rate of 500kbps, single bus segment maximum 1000 meters (depending on the baud rate). It has bidirectional object buffering for sending and receiving, supports multi-frame caching and priority processing, improving communication efficiency and stability. It can be connected to CANopen servo, frequency converter, remote I/O, sensors and other devices to achieve cyclic transmission of process data, parameter configuration and fault diagnosis. Supports hot swapping, no downtime for replacement, reducing operation and maintenance risks; through Automation Studio software to complete CAN baud rate, node address, communication parameter configuration, suitable for CAN bus networking, distributed control, motion control networking and upgrading of old equipment CAN communication in industrial scenarios.

Core Performance Parameters

Communication interface is 1 CAN-Bus (4-pin terminal block TB704, needs to be ordered separately), interface is electrically isolated from the system bus. Supported protocols include CAN 2.0A/B, CANopen (master/slave station); maximum transmission rate is 500kbps, supports baud rate configuration from 10kbps to 500kbps. Bus topology is linear topology, supports terminal resistor integration or external connection, single network segment up to 110 nodes, transmission distance 1000 meters (10kbps) to 40 meters (500kbps). Data processing has bidirectional object buffering for sending and receiving, supports PDO, SDO communication, flexible process data throughput. Power consumption 3.3VDC is 0.64W, 5VDC is approximately 1.2W, totaling about 1.84W. Working environment temperature is 0℃ to + 60℃, storage temperature is -25℃ to + 70℃, relative humidity is 5% to 95%, no condensation. The panel is equipped with 2 sets of LED indicator lights, respectively indicating CAN bus activity, fault alarm and power status, supporting rapid diagnosis; configuration method is through Automation Studio software configuration, setting baud rate, node address, communication cycle and CANopen parameters.

General Adaptable Accessories

Communication cables are compatible with CAN-Bus standard shielded twisted pair; The connection accessories include industrial-grade 4-pin terminal block TB704 (to be ordered separately), CAN bus terminal resistor, and shielded connector; the mounting accessories can be selected from the SYSTEM 2005 series standard backplane (6/9/12 slots) and DIN rail installation kit; the accompanying software tools include B&R Automation Studio programming configuration software, CANopen configuration tool, network diagnostic tool, and bus monitoring software.

Applicable equipment fields

Widely used in industrial automation systems such as SYSTEM 2005 PLC control system, CANopen distributed I/O system, factory CAN bus network; suitable for CANopen servo/variable frequency unit networking, data interaction between PLC and CAN sensors/indicators, distributed motion control and process monitoring systems; can be matched with general industrial machinery equipment such as CNC machines, industrial robots, packaging machinery, textile equipment, injection molding machinery, electronic processing equipment; in construction machinery, rail transit, and new energy equipment, used for CAN bus control and data acquisition; also compatible with the renovation of old equipment CAN communication, the upgrade of distributed control system architecture, and the expansion of fieldbus communication, etc.