BTA20.3-NC-DB-BA-BS Bosch Rexroth Indramat
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The Bosch Rexroth Indramat BTA20.3-NC-DB-BA-BS is part of the BTA20 Machine Control Boards series and features 8 digital inputs and 8 digital outputs. It is equipped with INTERBUS-S and BT-BUS communication, along with RS232 and RS422 ports, and supports a maximum baud rate of 38400 baud. The housing offers IP20 protection, while the front panel is rated IP65.
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Product Description:
The BTA20.3-NC-DB-BA-BS control board is produced by Bosch Rexroth Indramat within the BTA20 Machine Control Boards series. It serves as a field-level interface that gathers sensor states and issues actuator commands so that upper-tier CNC or PLC devices can coordinate motion, safety interlocks, and auxiliary machine functions. Installed behind an operator panel or inside a cabinet, the board links discrete I/O with serial and bus networks, allowing a single module to bridge shop-floor hardware to plant-wide automation. This arrangement lets local switches, indicators, and machine signals communicate with the main control without requiring separate interface modules for every panel function.
The unit exchanges data over a INTERBUS-S / BT-BUS backplane, letting controllers poll or update attached modules in a deterministic scan. It provides 8 digital inputs for limit switches or photo-eyes and 8 digital outputs for contactors, valves, or relays. The board signals at a peak rate of 38400 baud, which is suitable for short control words and status data used on material-handling equipment and similar automation systems. Operators can wash down the machine face because the keypad and display area meet IP65 protection, which blocks dust and low-pressure water from the front-facing section.
The electronics mounted inside the enclosure carry an IP20 rating, so the surrounding cabinet must provide additional shielding against moisture and accidental contact. The DIN rail footprint spans 375 mm in mounting width, while the overall depth is 119 mm and the height is 169 mm, which helps preserve panel space for drives and power supplies. The front section measures 407 mm across, giving the assembly a broad operating surface while keeping the internal board protected inside the enclosure. Single in and out ports for Interbus, along with RS-232 and RS-422 links, support straightforward daisy-chaining to neighboring stations without extra hubs or repeaters.
Frequently Asked Questions about BTA20.3-NC-DB-BA-BS:
Q: What communication buses are available on the BTA20.3-NC-DB-BA-BS control board?
A: The BTA20.3-NC-DB-BA-BS supports INTERBUS-S and BT-BUS communication buses for integration with industrial control networks.
Q: How many digital inputs are provided on the BTA20.3-NC-DB-BA-BS?
A: This model is equipped with 8 digital inputs, allowing multiple external signals to be read by the control board.
Q: What is the maximum current per digital output on the BTA20.3-NC-DB-BA-BS?
A: Each digital output on the BTA20.3-NC-DB-BA-BS can handle up to 200 mA of current.
Q: What level of front panel protection does the BTA20.3-NC-DB-BA-BS offer?
A: The front panel of the BTA20.3-NC-DB-BA-BS has an IP65 protection rating, ensuring resistance against dust and low-pressure water jets.
Q: How many RS232 input ports are available on the BTA20.3-NC-DB-BA-BS board?
A: This control board has one RS232 input port for serial communication and data exchange.
