BTA20.3-NE-LB-KB-BS
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MPN: R911294048
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The BTA20.3-NE-LB-KB-BS control board features a bore size of 20 mm, an angular contact ball bearing type, a double row arrangement, and a dynamic load rating of 35 kN. Part of the BTA20 Machine Control Boards series by Bosch Rexroth Indramat, it operates within a temperature range of -20°C to +120°C.
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Product Description:
The BTA20.3-NE-LB-KB-BS Machine Control Board is built by Bosch Rexroth Indramat for the applications of industrial automation systems. It integrates multiple bus systems, including RS232, RS422, and INTERBUS. It has a power input requirement of 18 to 30 volts of direct current. It draws a peak electric current of around 1.0 ampere during usage
The power usage of BTA20.3-NE-LB-KB-BS control board is almost 18 watts under full load. The device casing is aluminum with a chemical-resistant polyester front overlay. The board weighs approximately 2.1 kilograms. The front surface is sealed to the IP65 standard for dust and splash resistance. It operates between +5 °C and +45 °C under ambient conditions while its storage temperature range spans from -20 °C to +60 °C. The unit's total mounting size is 375 mm wide, 138 mm high, and 119 mm deep. The altitude limit for proper function is up to 1500 meters. The operating air pressure should stay between 860 and 1060 hectopascals. The BTA20.3-NE-LB-KB-BS control board accepts RS232 signal input at ±5 to ±12 volts through the X8 port. This RS232 uses a 9-pin D-SUB connector located at the input point X8, and its output provides 0/5 V differential signals, capped at 60 mA.
The INTERBUS interface of BTA20.3-NE-LB-KB-BS control board works at a transfer rate of 500 kBd. It processes 3 words of data, comprising 24 output and 40 input bits. The status lights for INTERBUS include RD, BA, RC, and U indicators. The digital input low threshold is 0 to 10 volts on the KB module. The nominal output voltage from digital lines is 24 volts DC. The maximum output current on each KB module line is 200 mA. The digital outputs are connected through X4, a 10-pin terminal strip. This board enables modular expansion and structured I/O communication
Frequently Asked Questions about BTA20.3-NE-LB-KB-BS:
Q: Why is a 500 kbaud transfer rate significant for INTERBUS in BTA20.3-NE-LB-KB-BS?
A: The 500 kbaud rate allows faster data cycles and efficient I/O updates on INTERBUS. This boosts the BTA20.3-NE-LB-KB-BS real-time control capability in automation systems.
Q: How does altitude affect the operation of BTA20.3-NE-LB-KB-BS?
A: Altitude affects air density, influencing cooling and electrical performance. The BTA20.3-NE-LB-KB-BS maintains full functionality up to 1500 meters without derating.
Q: Why does BTA20.3-NE-LB-KB-BS use differential RS422 signals instead of single-ended ones?
A: Differential signals like RS422 offer higher noise immunity and better data integrity over longer cables. This makes the BTA20.3-NE-LB-KB-BS ideal for electrically noisy environments.
Q: How do isolated digital outputs enhance safety on the BTA20.3-NE-LB-KB-BS?
A: Isolated outputs protect the BTA20.3-NE-LB-KB-BS internal circuits from external surges. They also ensure stable performance when interfacing with multiple systems.
Q: What role does the IP65-rated front panel play in BTA20.3-NE-LB-KB-BS protection?
A: The IP65 front panel on BTA20.3-NE-LB-KB-BS prevents ingress of dust and low-pressure water jets. It ensures reliable operation in environments with particulate or moisture exposure.
