BTA20.2-BA-NN-BA-NN Bosch Rexroth Indramat
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The Bosch Rexroth Indramat BTA20.2-BA-NN-BA-NN is part of the BTA20 Machine Control Boards series and weighs 2.1 kilograms. It features 8 digital inputs and 8 digital outputs, with an interface that converts RS232 to RS422/485 and supports a bus output current of 50 mA. The unit provides IP65 front panel protection and is made with a chemically resistant polyester foil overlay.
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Product Description:
The BTA20.2-BA-NN-BA-NN is a machine control board from the BTA20 Machine Control Boards series manufactured by Bosch Rexroth Indramat. Designed for mounting inside automated equipment, this board carries process signals between sensors, actuators, and higher-level controllers, supporting discrete machine sequences and status reporting in industrial automation environments. Its layout is suited to compact machine-control installations where reliable signal handling is required between field devices and the main control system.
The control logic accepts a bus output current of 50 mA, which is sufficient for driving external interface converters and low-power indicators. Eight digital inputs permit direct connection of limit switches or proximity sensors, and eight digital outputs send command signals to relays or solenoids. Serial data from a programming terminal enters through an RS232 port, and the board converts it to RS232 to RS422/485 levels for multi-drop field communication. Internal regulators limit overall heat generation to 10 W, allowing passive dissipation through the lacquered aluminum surface without forced cooling. The board faceplate is finished in RAL 7035 light gray and covered by a chemically resistant polyester foil overlay so operator key legends remain legible after repeated cleaning.
The front panel is rated to IP65 against dust and low-pressure water jets, while the rear housing area is rated to IP20 once the board is installed inside a cabinet. The RS232 receiver tolerates input levels from ±5 to ±12 V, while the differential drivers on the RS422/485 side present a 0/5 V differential pair suited to long cable runs. The board weighs 2.1 kg, which is light enough for DIN-rail or panel mounting without additional support brackets. A lacquered aluminum surface finish improves corrosion resistance, and the polyester overlay shields the membrane keys from oils and cleaning solvents.
Frequently Asked Questions about BTA20.2-BA-NN-BA-NN:
Q: How many digital inputs are available on the BTA20.2-BA-NN-BA-NN board?
A: The BTA20.2-BA-NN-BA-NN control board provides eight digital inputs, accommodating various control signals.
Q: What type of interface conversion does the BTA20.2-BA-NN-BA-NN board include?
A: This model features RS232 to RS422/485 interface conversion, allowing for flexible serial connectivity.
Q: What level of front panel protection does the BTA20.2-BA-NN-BA-NN provide?
A: The BTA20.2-BA-NN-BA-NN offers IP65 front panel protection for enhanced resistance against dust and water.
Q: What is the heat dissipation specification for the BTA20.2-BA-NN-BA-NN?
A: This board has a heat dissipation rate of 10 W, supporting stable operation under load.
Q: What material is used for the overlay on the BTA20.2-BA-NN-BA-NN board?
A: The overlay of this board is made from chemically resistant polyester foil, suitable for demanding environments.
