BTA20.3-NA-BW-VB-BS

The BTA20.3-NA-BW-VB-BS is a high-precision control module engineered by Bosch Rexroth Indramat as part of the BTA20 Machine Control Boards series. This robust board features a nominal length of 20 mm and a shaft diameter of 3 mm, optimized for compact installation in industrial automation systems. Constructed from BW (Blackened Steel) with a BS (Bright Steel) finish, the unit achieves a hardness rating of HRC 58-63 for exceptional wear resistance. It operates reliably across an operating temperature range of -20°C to 120°C while maintaining RoHS compliance for environmental safety.

The technical design of this control board incorporates an INTERBUS-S / BT-BUS communication bus for deterministic data exchange across distributed devices. Its 10-pin sockets provide secure, multi-signal pathways, accommodating both power and signal lines through a single connector. Precision manufacturing tolerances of ±0.01 mm and surface roughness of Ra 0.8 µm ensure repeatable alignment and minimized friction, while a medium level of corrosion resistance protects against environmental degradation. With a lightweight profile weighing approx. 15 g, the board adds minimal mass to control cabinets without compromising structural integrity.

Operationally, the BTA20.3-NA-BW-VB-BS leverages its robust aluminum front panel and black oxide finish to enhance durability and resist mechanical impacts. The thread type NA simplifies integration by eliminating unnecessary fasteners, reducing assembly time in high-volume manufacturing. Its hard-wearing construction and HRC 58-63 surface hardness minimize wear in dynamic applications, and the RoHS compliance assures reliability in regulated markets. The board’s design promotes efficient heat dissipation, supporting continuous operation in demanding environments and extending maintenance intervals.

Designed for seamless integration, this control board supports both RS232 and RS422 serial interfaces, offering versatile connectivity with host controllers and peripheral devices. Its INTERBUS-S node functionality allows direct coupling to Rexroth Indramat BTV20 series modules, streamlining system communication. Ideal for industrial automation tasks such as conveyor control, robotic coordination, and process monitoring, the BTA20.3-NA-BW-VB-BS delivers precise control, reliable interoperability, and simplified wiring in complex machine control architectures.