BDS4A-240J-0001\803B21P

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The BDS4A-240J-0001\\803B21P servo drive features a PWM switching frequency of 10 kHz, an unregulated logic bus of ±15-20 VDC @ 0.25 AMPS, and an internal heat dissipation of 30-110 watts. From Kollmorgen's BDS Industrial Servo Drives series, it boasts a control frequency of 47-63 Hz and a diagnostic system with English error messages.

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Product Description:

The BDS4A-240J-0001\803B21P is a state-of-the-art servo amplifier built by Kollmorgen to be used with permanent magnet brushless servo motors. This amplifier supports the operation of connected motors in all four quadrants; it also features a microprocessor that allows it to implement a control function that will normally be considered above the capacity of analogue servo amplifiers. The microprocessor receives and processes the current commands as appropriate. This unit has a modular housing design, which makes servicing and maintenance operations easier for the operator. Operators can also adjust the function of this unit using the routine adjustments control present on its front panel. The complete servo system of this unit includes a power supply module, an amplifier module and a brushless motor unit. These three components must be reviewed and confirmed to be compatible with each other before the controller is used.

The performance standard of the BDS4A-240J-0001\803B21P amplifier is affected by its operation environment. It is recommended that the operating temperature for this unit should be maintained between 0 to 45 degrees Celsius; the unit should also be installed inside a control cabinet or any other enclosure that is durable enough to shield it from physical and environmental damage. The BDS4A-240J-0001\803B21P amplifier should be installed vertically with a minimum clearance of 20 millimeters at either size and 40 millimeters above and below the unit to allow for easy airflow.

The BDS4A-240J-0001\803B21P is not designed to provide a thermal overload for connected motors; this has to be provided externally by operators that require them. This amplifier produces leakage current during operation; to prevent electrical accidents, it should be properly grounded according to international specifications. Each unit features at least two grounding screws on the front of the chassis.

115 Vac fan current (BDS5-120)
0.2 A
Charge time (max)
25 ms
Control frequency
47–63 Hz
Diagnostics
English messages; 20-error log
Electronic gearbox ratio range
–32767:1 to +32767:1
Form factor (RMS/avg)
≤1.01
Internal heat dissipation
30–110 W
Main DC bus voltage
130–225 VDC
Motor current ripple frequency
20 kHz ±10%
Output current continuous (rms/phase, 45°C amb)
3 A
Output current peak (rms/phase, 45°C amb)
6 A
Output kVA continuous @160 VDC
0.6 kVA
Output kVA continuous @325 VDC
1.2 kVA
Output kVA peak @160 VDC
1.2 kVA
Output kVA peak @325 VDC
2.4 kVA
PWM switching frequency
10 kHz
Resolver excitation frequency
8.5 kHz
Unregulated logic bus +8–12 VDC
1.0 A
Unregulated logic bus ±15–20 VDC
0.25 A

Frequently Asked Questions about BDS4A-240J-0001\803B21P:

Q: Can the BDS4A-240J-0001\803B21P controller be used with any motor design?

A: This servo amplifier is built specifically for permanent magnet brushless servo motors.

Q: Does the BDS4A-240J-0001\803B21P support reverse operation?

A: Yes. The BDS4A-240J-0001\803B21P supports the operation of connected motors in all four quadrants. It also supports operation in both forward and reverse direction.

Q: Are motors connected to the BDS4A-240J-0001\803B21P provided with thermal protection?

A: The BDS4A-240J-0001\803B21P does not feature an internal thermal protection for connected motors, this have to be provided externally.

Q: What does the microprocessor in the BDS4A-240J-0001\803B21P do?

A: The integrated micro-processor in the BDS4A-240J-0001\803B21P receives and processes current commands as appropriate.

Q: What is the permissible ambient temperature for the BDS4A-240J-0001\803B21P?

A: The BDS4A-240J-0001\803B21P is intended to be used at an ambient temperature that falls between 0 to about 45 degrees.


Internal Product Review

  • ‘‘The BDS4A-240J-0001\803B21P is an analog amplifier built by Kollmorgen for industrial permanent magnet brushless motor. This amplifier has a modular design and requires installation inside a control cabinet. The peak installation height for this unit without derating is about 1000 meters above sea levels. ’’

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