B&R X67BC8321.L12 I/O Bus Controller

B&R X67BC8321.L12 Overview

The B&R X67BC8321.L12 is a high-performance remote I/O bus controller from B&R Automation's X67 series. It's designed for use in harsh industrial environments, particularly in hazardous areas (Zone 2 compliant), and provides flexible and high-density I/O capabilities. This module integrates a POWERLINK fieldbus interface, making it a powerful solution for distributed control systems.

Product Detailed Description

• Function:

• Acts as a bus controller for the B&R X67 remote I/O system, enabling communication between a central controller and distributed I/O modules.

• Features a POWERLINK fieldbus input for high-speed, deterministic real-time communication with the control system.

• Provides local expansion capabilities via X2X Link, allowing connection of up to 250 additional X67 I/O modules.

• Offers 16 digital channels that are individually configurable as inputs or outputs (DI/DO).

• Supports various input functions including high-speed counters (up to 48MHz on one input, 50kHz on two others) and standard digital inputs.

• Digital outputs provide 24VDC at 0.5A per channel, with integrated protection for inductive loads.

• I/O configuration and firmware updates can be performed via the fieldbus.

• Features:

• Compact and robust design with IP67 protection, making it suitable for direct machine mounting in harsh environments.

• Integrated hub for efficient cabling.

• M12 connectors for I/Os, X2X Link output, and POWERLINK fieldbus input, ensuring secure and reliable connections.

• POWER chaining capability via M8 connectors for simplified power distribution.

• Configurable I/O cycle starting at 200µs.

• ATEX compliant (II 3G Ex nA IIA T5 Gc) for use in hazardous areas (Zone 2).

• Certified by CE, cULus, cCSAus, EAC, and KC.

Product Parameters

• Bus Controller Type: Remote I/O bus controller

• Fieldbus Interface: Ethernet POWERLINK (M12 D-coded male connector for input)

• Local Expansion: X2X Link (M12 B-coded female connector for output)

• Digital Channels: 16 configurable as Digital Inputs (DI) or Digital Outputs (DO)

• Digital Input Specifications:

• Voltage: 24VDC (18-30VDC sink)

• High-speed counter inputs: 1 x up to 48MHz (can be DO), 2 x up to 50kHz (can be DO)

• Standard digital inputs: 13 x (can be DO)

• Digital Output Specifications:

• Type: Current-sourcing FET

• Nominal Output Current: 0.5 A per channel

• Total Nominal Current: 8 A

• Protection: Thermal shutdown (overcurrent/short circuit), integrated protection for inductive loads, reverse polarity protection.

• Switching Frequency: Max. 100 Hz (resistive load)

• Power Supply: 18-30VDC (24VDC nominal)

• Power Consumption (Module): Max. 12 W (total, including sensor/actuator power supply)

• Power Consumption (Fieldbus): 4.2 W (internal)

• Connection Capacity (X2X Link): Up to 250 additional X67 modules

• Connectors:

• I/Os: 8 x 5-pin M12 (A-coded) female

• X2X Link Output: 1 x 4-pin M12 (B-coded) female

• POWERLINK Input: 1 x 4-pin M12 (D-coded) male

• Power Chaining: 2 x 4-pin M8 (1 male + 1 female)

• Dimensions (W x H x D): 53 mm x 155 mm x 42 mm

• Weight: 350 g

• Protection Class: IP67 (according to EN 60529)

• Operating Temperature: -25 to +60 °C

• Storage Temperature: -40 to +85 °C

• Hazardous Area Compliance: ATEX II 3G Ex nA IIA T5 Gc (Zone 2)

Product Advantages

• Robustness and Reliability: IP67 protection and wide operating temperature range ensure reliable operation in harsh industrial environments, including hazardous areas.

• High Performance: POWERLINK fieldbus provides deterministic real-time communication and high-speed I/O processing, crucial for demanding applications.

• Flexibility and Scalability: 16 configurable digital channels and the ability to connect up to 250 additional X67 modules via X2X Link offer significant flexibility and scalability for various system sizes.

• Compact Design: Small footprint allows for direct machine mounting, reducing wiring effort and cabinet space.

• Easy Integration: Standardized M12/M8 connectors and fieldbus-based configuration simplify installation and integration into existing control architectures.

• Advanced Diagnostics: Output monitoring and integrated protection features enhance system diagnostics and reduce downtime.

• Cost-Effective Cabling: Integrated hub and power chaining simplify wiring and reduce overall system costs.

Precautions

• Correct Installation: Adhere strictly to B&R's installation guidelines, including proper mounting, grounding, and torque for M8/M12 connections (max. 0.4 Nm for M8, max. 0.6 Nm for M12).

• Power Supply: Ensure the 24VDC power supply is within the specified range (18-30VDC) and has adequate capacity for the module and connected I/O.

• Environmental Conditions: Operate within the specified temperature and humidity ranges. For altitudes above 2000m, reduce the ambient temperature by 0.5°C per 100m.

• Hazardous Area Usage: When used in hazardous areas (Zone 2), ensure all installation and operation procedures comply with ATEX directives and local regulations.

• Cable Quality: Use high-quality, shielded cables appropriate for the industrial environment and communication protocols (POWERLINK, X2X Link).

• Firmware and Configuration: Perform I/O configuration and firmware updates via the fieldbus as per B&R's instructions using their Automation Studio software.

• Overload Protection: While outputs have integrated protection, ensure overall system design includes appropriate fusing and circuit protection.

Product Applications

The B&R X67BC8321.L12 is ideal for distributed I/O applications across various industries, particularly where robustness, real-time performance, and hazardous area compliance are critical.

• Machine Building:

• Robotics and automation cells

• Packaging machinery

• Textile machines

• Material handling systems (conveyors, sorters)

• Process Automation:

• Oil & Gas (e.g., wellhead control, pipeline monitoring in Zone 2)

• Chemical and Pharmaceutical industries

• Water and Wastewater treatment

• Factory Automation:

• Distributed I/O for production lines

• Quality inspection systems

• Building automation in industrial facilities

• Renewable Energy:

• Wind turbine control systems

• Solar power plant monitoring

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