BTA20.2-NB-HP-VB-BS Bosch Rexroth Indramat
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The Bosch Rexroth Indramat BTA20.2-NB-HP-VB-BS is part of the BTA20 Machine Control Boards series and features a communication bus supporting INTERBUS-S and BT-BUS at a bus speed of 500 Kbaud. This control board offers 8 input and 8 output external I/O channels, and provides protection with IP65 on the front panel and IP20 for the housing. It includes an interface conversion from RS232 to RS422/485 and a 15-pin RS422/485 connector.
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Product Description:
The BTA20.2-NB-HP-VB-BS machine control board from Bosch Rexroth Indramat belongs to the BTA20 Machine Control Boards series. Mounted in the electrical cabinet of an automated line, it links sensors, actuators, and drive controllers over a high-speed fieldbus. The board gathers process signals, performs interlock checks, and issues deterministic commands that synchronize motion axes and safety devices in industrial automation. Its compact cassette format is suited for rack-based installation in control cabinets.
The board exchanges process data over the INTERBUS-S / BT-BUS channel at 500 Kbaud. A 48-bit data width per cycle provides enough resolution for axis status, command words, and diagnostic flags. Control electronics sit behind an IP65-rated front panel, while the card edges are enclosed in an IP20 housing for safe rack installation. The integrated terminal block provides 8 inputs and 8 outputs that can be wired directly to light curtains, relays, or stack lights. An onboard converter shifts RS232 service traffic to RS422/485 levels so external devices can connect without additional adapters. Physical dimensions of 407 × 169 × 100 mm fit Indramat sub-racks. Two acknowledge circuits confirm machine readiness, and two independent E-stop loops provide hardwired shutdown paths. The INTERBUS identification code is 3, which allows master stations to recognize the module during automatic configuration.
Further operator interaction is handled through two front-panel override switches, and their positions are encoded into a 4-bit Gray pattern that the controller reads without ambiguity. Field wiring to remote drives and I/O islands is consolidated on a 15-pin RS422/485 connector, which helps reduce cable count inside the cabinet. Across the network, the board can accept 48 input words and issue 24 output words, allowing it to supervise valves, contactors, or photoelectric sensors across an entire workcell. This arrangement supports centralized control of medium-sized machinery without requiring extra expansion modules.
Frequently Asked Questions about BTA20.2-NB-HP-VB-BS:
Q: What is the bus speed specification of the BTA20.2-NB-HP-VB-BS control board?
A: This board has a bus speed of 500 Kbaud for fast data communication.
Q: Which communication buses are compatible with the BTA20.2-NB-HP-VB-BS?
A: The BTA20.2-NB-HP-VB-BS supports INTERBUS-S and BT-BUS communication buses.
Q: How many external input and output channels are available on the BTA20.2-NB-HP-VB-BS?
A: This model provides 8 external inputs and 8 external outputs for I/O operations.
Q: What level of front panel protection does the BTA20.2-NB-HP-VB-BS provide?
A: The front panel of the unit features IP65 protection, offering resistance against dust and water.
Q: What type of interface conversion is offered by the BTA20.2-NB-HP-VB-BS?
A: The interface on this board converts signals from RS232 to RS422/485 standards.
