KDA 3.1-100-3-DQI-U1

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The KDA 3.1-100-3-DQI-U1 from Bosch Rexroth Indramat is part of the KDA Spindle Drives and operates on a 3x AC 230/400V power supply. It features resolver and digital encoder feedback, 100A continuous current output, and an external fan cooling system. The device includes LED status indicators for diagnostics.

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Product Description:

The KDA 3.1-100-3-DQI-U1 Bosch Rexroth Indramat main spindle drive has no standalone operational support. This drive is used with the manufacturer’s 1MB frameless spindle motors. The product is known to deliver high performance. This device supports a microprocessor-based digital velocity loop. The unit’s connectors mustn’t be touched during its operational phase. Its display highlights the DISABLED term when it lacks torque and the power output is locked. This drive comprises a bridge fuse in its design.

The product’s DC bus wiring needs to be inspected for a ground fault when an EARTH CON error is encountered. This device features an adaptation to its machine using its programming module. The unit’s housing has long stud bolts at the top and bottom of its housing. Its heatsink should be secured using the stud bolts of the mounting panel. This drive’s motor supply line should be checked for ground fault and short circuit if the current limit of its electronic fuse is exceeded. The product functions as a high-performance motor speed regulator. This device portrays no drift when a digital velocity command is deployed. The unit delivers a digital velocity loop. Its transformer has a power requirement of about 1.4 times the power of its drive system.

This main spindle drive houses a power bridge to convert the DC bus to a rotating three-phase power. The product supports two sets of parameters. This device’s power supply can be used as a 24 V I/O supply. The unit has multiple electrical connections. Its signal and power supply lines must be routed away from each other.

Ambient Operating Temperature
0°C to +45°C
Continuous Current Output
100A
Cooling Method
External fan cooling
Current Rating
100A
Feedback Supported
Resolver, digital encoder
Fieldbus Interface
SERCOS
Integrated Diagnostics
LED status indicators
Peak Current Output
Up to 150A (short duration)
Power Supply Voltage
3x AC 230/400V
Protection Class
IP20
Rated Frequency
50/60 Hz
Type
Digital Servo Drive
  • KDA 311003DQIU1

Frequently Asked Questions about KDA 3.1-100-3-DQI-U1:

Q: What is the function of the LED indicators of the KDA 3.1-100-3-DQI-U1 drive?

A: The LED indicators of the KDA 3.1-100-3-DQI-U1 drive highlight its operating state.

Q: What are some electrical connections of the KDA 3.1-100-3-DQI-U1 drive?

A: Some electrical connections of the KDA 3.1-100-3-DQI-U1 drive are signal lines, motor feedback, blower connection, and grounding.

Q: What is the maximum ambient temperature permitted at the installation site of the KDA 3.1-100-3-DQI-U1 drive?

A: The maximum ambient temperature permitted at the installation site of the KDA 3.1-100-3-DQI-U1 drive is 45 °C.

Q: What cable is included with the KDA 3.1-100-3-DQI-U1 drive?

A: A ribbon cable is included with the KDA 3.1-100-3-DQI-U1 drive to route the supplies from the power supply.

Q: How should the grounding of the KDA 3.1-100-3-DQI-U1 drive be established?

A: The grounding of the KDA 3.1-100-3-DQI-U1 drive should be established according to the local safety regulations.


Internal Product Review

  • ‘‘The KDA 3.1-100-3-DQI-U1 drive has high precision. It supports an extensive speed range. The drive is apt for spindle positioning applications.’’

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