5AC902.BX01-00 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 5AC902.BX01-00 is part of the 5AC CNC Addon Modules series and uses a half-size PCI card format with a single PCI slot. It features a PCI bus speed of 33 MHz, 32-bit data width, and complies with PCI standard 2.2, with a PCIe-to-PCI bridge included. The dimensions are 164 mm in width, 218 mm in height, and 54.7 mm in depth.
Internal Product Review
The 5AC902.BX01-00 is a well-designed CNC addon module with a half-size PCI card format and PCI Standard 2.2 compliance. The 32-bit PCI data width and 33 MHz bus speed support dependable integration in established control architectures. The integrated PCIe-to-PCI bridge is a standout feature for modernizing existing CNC platforms.
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Product Description:
The 5AC902.BX01-00 is an add-on module manufactured by B & R Automation and supplied in the 5AC CNC Addon Modules series. The board plugs into the control backplane of a B & R CNC system to add supplemental axis control, local memory, and auxiliary interfaces that complement the primary processor. By occupying a single PCI position inside the cabinet, this module supports system expansion when numerical control applications require extra channels, fieldbus gateways, or higher data throughput without changing the existing controller footprint. Its design targets metal-cutting, woodworking, and semiconductor tools where deterministic cycle execution is important for consistent product quality.
Physically, the module measures a width of 164 mm, a depth of 54.7 mm, and a height of 218 mm, so it can fit inside standard 19-inch sub-racks without obstructing adjacent cards. The mechanical envelope matches the Half-size PCI card format, which reduces board length compared with full-size designs and improves airflow in densely populated enclosures. Communication with the motherboard occurs over a multiplexed bus that clocks at 33 MHz, allowing the controller to transfer instructions and status words quickly enough for millisecond-scale interpolation tasks. Because all interface signals remain within the stated footprint, no additional reinforcing brackets are required, which helps limit vibration sensitivity during high-speed spindle ramps.
The electrical interface uses a 32-bit parallel path that conforms to the PCI 2.2 standard, enabling plug-and-play resource assignment with compatible host chipsets. Only a single PCI slot is occupied, leaving adjacent positions free for motion or I/O boards in multi-axis racks. When the host backplane uses PCI Express lanes instead of legacy connectors, an onboard PCIe-to-PCI bridge translates transactions transparently so communication remains compatible with the host system. Storage for machining macros is available through one slide-in drive located on the card edge, allowing CompactFlash media to be replaced without shutting down the main CPU.
