v5D220010 B&R

v5D220010 B&R Basis unit 

Product  Description：

B&R (Bernecker + Rainer) Basis Units, primarily associated with the X20 and X67 system families, serve as the foundational mechanical and electrical mounting platforms for I/O modules and CPUs. The basis unit is a critical component of B&R's modular "three-part" design philosophy, which consists of a bus module, a basis unit, and the electronic module. This architecture allows for permanent field wiring and easy maintenance, as it provides the terminal points for sensors and actuators while establishing the internal X20 system bus connection.

Product Parameters

The technical characteristics of B&R Basis Units are designed to support high-speed data transfer and robust electrical connectivity:

• Terminal Density: Available in various configurations including 6-terminal, 12-terminal, and specialized versions for high-density I/O.

• Connection Technology: Features B&R’s patented "cage clamp" or spring-loaded terminals for tool-free, vibration-proof wiring.

• Rated Current: Designed to handle the standard system supply current and I/O load currents, typically rated up to 10A for power supply modules.

• System Bus Integration: Built-in internal bus contacts that automatically link the backplane communication when units are snapped together on a DIN rail.

• Voltage Rating: Supports standard industrial voltages, commonly rated for 24V DC, with specialized units available for 120V or 230V AC applications.

• Mounting Style: Designed for standard 35mm DIN rail mounting with a compact width, often as narrow as 12.5mm per module.

Product Advantages

B&R Basis Units offer unique structural and operational benefits that differentiate them in the automation market:

• Pre-Wiring Capability: Since the basis unit contains the terminal block and is separate from the electronics, users can complete all field wiring before the electronic modules are even delivered or installed.

• Maintenance without Rewiring: If an electronic module fails, it can be swapped out without touching a single wire. This "hot-pluggable" capability significantly reduces downtime during repairs.

• Vibration Resistance: The spring-loaded terminal design ensures a gas-tight connection that does not loosen over time, even in environments with heavy machinery vibration.

• Space Efficiency: The ultra-slim design of the X20 basis units allows for an extremely high I/O density in the control cabinet, saving valuable floor space.

• Coding Protection: Mechanical coding prevents the wrong electronic module from being inserted into a basis unit, protecting the system against accidental electrical damage.

Product Applications

These units are the structural backbone for automation systems in various high-tech sectors:

• Machine Tools and CNC: Providing a stable mounting platform for high-speed counter modules and axis control in precision metalworking.

• Mobile Automation: Used in the control systems of agricultural and construction vehicles where extreme vibration resistance is required.

• Energy Management: Supporting the monitoring of power grids and renewable energy sources through high-density analog and digital inputs.

• Packaging and Printing: Facilitating rapid signal processing for synchronized motion control and vision system integration.

• Industrial Robotics: Acting as the remote I/O interface on robotic arms and peripheral safety equipment.

Important Precautions

To ensure the safety of the installation and the longevity of the equipment, follow these guidelines:

• Bus Module Alignment: Ensure the underlying bus modules are correctly interlocked on the DIN rail before snapping the basis unit into place. Failure to do so can result in poor bus contact.

• Correct Terminal Assignment: Always refer to the specific wiring diagram for the electronic module being used. Some basis units share the same physical look but have different internal routing for the common/ground rails.

• Wire Stripping Length: Follow the manufacturer's specification for wire stripping length (typically 8mm to 10mm). Excessive bare wire can cause short circuits, while insufficient stripping leads to poor contact.

• Power Off During Assembly: While many electronic modules are hot-swappable, the initial assembly of the basis units and bus modules should be performed with the system power off to prevent arcing.

• Labeling: Utilize the integrated labeling fields on the basis units to clearly identify field wires. Given the high density of terminals, clear marking is essential to prevent maintenance errors.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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