BTA20.2-NB-LF-KA-BS Bosch Rexroth Indramat
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The Bosch Rexroth Indramat BTA20.2-NB-LF-KA-BS is part of the BTA20 Machine Control Boards series and features 8 addressable inputs and 8 outputs. It supports INTERBUS-S and BT-BUS communication buses, offers IP65 front protection with IP20 housing, and measures 407 mm wide, 169 mm high, and 100 mm deep. The board includes both RS232 and RS422/485 connectors, as well as a 9-pin external input and a 10-pin external output connector.
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Product Description:
The BTA20.2-NB-LF-KA-BS is a machine control board manufactured by Bosch Rexroth Indramat and delivered within the BTA20 Machine Control Boards series. Installed in a control cabinet, the board aggregates discrete inputs, outputs, and fieldbus data so that an automation controller can use them for sequence logic, safety shutdowns, and device coordination. Additional serial links are available through a 9-pin RS-232 port for diagnostics and a 15-pin RS-422/485 interface for long-distance multipoint communication. By combining local I/O handling with bus communication on one board, it supports coordinated response to machine states without requiring separate interface hardware for every panel function.
The board exchanges process data over the INTERBUS-S / BT-BUS backplane. Each INTERBUS cycle handles a data width of 48 bits and is clocked at 500 kbaud, allowing timely refresh of connected nodes during normal machine operation. Local signal capacity is configured for 8 inputs and 8 outputs, giving direct wiring points for limit switches, valves, or indicator lamps. A front panel sealed to IP65 protects the operator-facing membrane from dust and low-pressure water jets, while the 9-pin external input connector and 10-pin external output connector keep field wiring separated. The INTERBUS identification code is 3, so the master recognizes the board during automatic station scanning, and a customized key switch occupies the right-hand module slot for user-defined machine functions.
Cabinet-side protection is rated at IP20, matching typical enclosure airflow requirements. The card includes 2 dedicated handheld emergency-stop loops. Overall depth is 100 mm, height is 169 mm, and width is 407 mm, so the assembly occupies a single rack bay without overhang. These dimensions leave space for bus wiring behind the card and provide access to the spring-clamp terminals at the cabinet side.
Frequently Asked Questions about BTA20.2-NB-LF-KA-BS:
Q: How many addressable inputs and outputs are available on the BTA20.2-NB-LF-KA-BS?
A: The BTA20.2-NB-LF-KA-BS provides 8 addressable digital inputs and 8 addressable digital outputs.
Q: Which communication buses does the BTA20.2-NB-LF-KA-BS board support?
A: This control board supports both INTERBUS-S and BT-BUS communication buses.
Q: What is the front protection rating of the BTA20.2-NB-LF-KA-BS?
A: Front panel protection is rated at IP65, making it resistant to dust and water jets.
Q: What type of RS232 connector is provided on the BTA20.2-NB-LF-KA-BS?
A: The RS232 connector on this unit is a 9-pin type.
Q: What is the Interbus communication rate of the BTA20.2-NB-LF-KA-BS?
A: Interbus communication operates at a rate of 500 kbaud on this board.
