BTA20.4

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The BTA20.4 is a through-hole mounted machine control board with an isolation voltage of 2500 V. Manufactured by Bosch Rexroth Indramat, it belongs to the BTA20 Machine Control Boards series and features a repetitive peak off-state voltage of 400 V. This board operates within a temperature range of -40°C to +125°C.

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Product Description:

The BTA20.4 is a machine control board with strong construction and advanced interface capabilities, making it ideal for supporting industrial automation processes. Bosch Rexroth built the board with an emphasis on dependability and integration with diverse industrial systems.

The BTA20.4 control board weighs around 2.1 kg and is finished in a light gray RAL 7035 color for aesthetic appeal. The panel at the front of the product is IP65 protected, meaning it is resistant to dust and water. The control board has numerous interfaces, including RS232 IN, RS422 IN, RS422 OUT, INTERBUS IN, and INTERBUS OUT, for maximum connectivity options. The E-STOP protocol and enabling circuits for safety protocols are both supported by it. The temperature range for the device's operation temperature is from 41 degrees Fahrenheit to 113 degrees Fahrenheit, while its storage temperature is from -4 degrees Fahrenheit to 140 degrees Fahrenheit. Additionally, the board is able to withstand air pressures that range from 860 to 1060 hPa at altitudes that are as high as 1500 meters.

The 24V digital ports on the BTA20.4 machine control board have low-level voltages of 10 to 0V and high-level voltages of 30 to 18V. The current consumption is less than 10 mA. A maximum of 200 milliamperes of output power can be handled by each of the 24-volt digital outputs. The length of the board is 407 millimeters, its width is 169 millimeters, and its height is 119 millimeters. The dimensions of its mounting are 375 millimeters in length, 137 millimeters in width, and 119 millimeters in height. This control board's front panel is designed to function properly in a wide range of different business environments.

Color
Light gray (RAL 7035)
Critical Rate Of Rise Of Off-state Voltage (dv/dt)
500 V/μs
Critical Rate Of Rise Of On-state Current (di/dt)
50 A/μs
Degree of Protection
IP65 (front panel)
Gate Trigger Current (igt)
50 mA (typical, varies by quadrant)
Gate Trigger Voltage (vgt)
1.3 V
Holding Current (ih)
50 mA
Isolation Voltage
2500 V (between terminals and mounting base)
Latching Current (il)
70 mA
Mounting
Through Hole
Non-repetitive Peak Surge Current (itsm)
200 A (8.3 ms single half-sine-wave)
On-state Voltage (vtm)
1.55 V (max) at 28.3 A
Operating Temperature Range
-40°C to +125°C
Repetitive Peak Off-state Voltage (vdrm)
400 V
Rms On-state Current (it(rms))
20 A
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Frequently Asked Questions about BTA20.4:

Q: Why does the BTA20.4 have RS232 input?

A: The RS232 input allows easy communication with other devices and systems, making the BTA20.4 highly versatile in automation applications.

Q: Does the BTA20.4 support 24V digital inputs?

A: Yes, the BTA20.4 supports 24V digital inputs with voltage ranges from 0-10V (low) and 18-30V (high) for compatibility.

Q: How does the BTA20.4 handle output current?

A: The BTA20.4 can handle up to 200 mA per output, allowing it to control a range of devices efficiently.

Q: Why is the BTA20.4 rated IP65?

A: The IP65 rating ensures that the front panel is resistant to dust and water, providing reliability in diverse environments.

Q: Do the 24V outputs handle AC and DC?

A: Yes, the BTA20.4’s 24V outputs can handle up to 42V AC and 24V DC, allowing flexibility in electrical control.


Internal Product Review

  • ‘‘The BTA20.4 provides robust connectivity with multiple interfaces like RS232, RS422, and INTERBUS. It supports 24V digital inputs/outputs, making it versatile for various control systems. With an IP65-rated front panel and a wide operating temperature range, the BTA20.4 ensures reliable operation in demanding conditions. It offers excellent value with high durability.’’

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