5AC901.8X02-02

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The 5AC901.8X02-02 from B & R Automation is part of the 5AC CNC Addon Modules series and operates on a 3 x 400-480 V AC input voltage with a frequency of 50/60 Hz. It features digital servo drive control, Ethernet POWERLINK communication, and offers 1.5 kVA power output. Boasting a peak output current of 5.4 A, it is air-cooled.

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Product Description:

The 5AC901.8X02-02 is an add-on module for B&R Automation PCS which are built to expand the functionality of the CNC system. It comes with PCI, ISA and proprietary slots due to which it supports both modern and legacy hardware which enables seamless integration of additional interfaces, communication protocols and specialized modules in industrial automation fields.

The 5AC901.8X02-02 addon module is specifically designed to fit securely into a dedicated slot or frame inside an industrial computer housing or control housing frame. Its external surface of the module is encased in a robust, dark colored plastic housing which beyond its aesthetic integration provides effective shielding against particulate ingress and safeguards the internal components from minor mechanical stress and environmental exposure. Its weight is 117 grams only which matters in environments where multiple modules are installed and minimizes strain on mounting brackets and connectors while also making it easy to handle and replace. This module follows a compact shape equal in size to a half length PCI card which means it occupies less space inside control cabinets that allows for denser configurations or placement in a small CNC controller enclosure. It features a series of precisely aligned and gold plated contact fingers on its one side which form the interface with a motherboard or expansion plane that enables high integrity electrical communication with other devices.

This 5AC901.8X02-02 addon module is included with a variety of passive electrical parts such as resistors, capacitors and surface mounted devices that work with each to operate, clean and make the electrical signals stable. Its exterior and structural elements are constructed from engineered plastic in order to remain lightweight and resistant to wear, vibration, and most chemicals that are present in industrial automation settings. 

Communication Interfaces
Ethernet POWERLINK, CAN, RS232
Continuous Output Current
1.8 A
Control Type
Digital Servo Drive
Cooling
Air-cooled
Frequency
50/60 Hz
Input Voltage
3 x 400-480 V AC
Maximum Output Current
2.6 A
Mounting
Panel Mount
Operating Temperature
0 °C to +55 °C
Peak Output Current
5.4 A
Power Output
1.5 kVA
Protective Features
Overvoltage, Undervoltage, Overtemperature, Short Circuit

Frequently Asked Questions about 5AC901.8X02-02:

Q: How does the gold-plated edge connector in 5AC901.8X02-02 improve reliability in industrial settings?

A: The gold plating prevents oxidation and ensures consistent signal transmission over time. It’s especially useful in high-vibration environments where electrical integrity is critical.

Q: Why is it important that the 5AC901.8X02-02 supports both PCI and ISA slots?

A: Supporting both slot types allows backward compatibility with older hardware and expansion with modern components. This flexibility simplifies upgrades in legacy CNC systems.

Q: How does the lightweight 117g design help during maintenance or replacement?

A: The low weight reduces strain on connectors and mounting brackets. It also makes module handling safer and more efficient during servicing or upgrades.

Q: What role does the 10μF electrolytic capacitor play in this module?

A: It helps smooth out voltage fluctuations and filter electrical noise. This stabilizes signal processing and improves overall system reliability in noisy industrial environments.

Q: How does the plastic housing benefit the 5AC901.8X02-02 module in automation cabinets?

A: It offers insulation, shock resistance, and chemical tolerance. This makes it ideal for use in control cabinets with exposure to heat, vibration, and industrial contaminants.


Internal Product Review

  • ‘‘The 5AC901.8X02-02 is a B&R CNC add-on module that enhances Automation PCs with versatile expansion capability. It features gold-plated edge contacts and a lightweight, compact form for high-integrity connectivity. It’s widely used in industrial automation control systems and CNC retrofit applications.’’

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