TDA 1.3-100-3-APD Bosch Rexroth Indramat
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MPN: R911262380
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The Bosch Rexroth Indramat TDA 1.3-100-3-APD is part of the TDA Main Spindle Controllers series and has a rated current of 100 Amps with a continuous current of 70 Amps. The controller uses a 220 VAC blower supply voltage, weighs 10.5 kilograms, and supports vertical mounting. It offers a 16-bit parallel position command interface and includes spindle and second motor encoder inputs.
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Product Description:
The TDA 1.3-100-3-APD spindle controller is produced by Bosch Rexroth Indramat within the TDA Main Spindle Controllers series. It drives high-speed main spindles or a secondary motor through its encoder input, providing closed-loop speed and position control for machining centers and other automated tooling. Digital position references from the machine PLC are converted into current and voltage commands, forming the interface between numerical control platforms and electromechanical motion. This arrangement lets the controller coordinate spindle response during speed changes, orientation moves, and commanded stops in automated metalworking equipment.
The integrated blower operates on 220 VAC, helping remove internal heat during continuous operation. During normal load, the power stage delivers 70 A of continuous current, while the auxiliary control supply provides +24 V at a 1.4 A draw and a separate test point provides ±15 V. The converter uses a DC link of 300 VDC to modulate three-phase output. For rapid acceleration, the current channel can rise to a peak of 100 A, and external setpoints can be supplied through analog ±10 V speed commands or a 16-bit parallel position interface. The combination of power-stage output and low-voltage control power supports stable regulation of the spindle motor and its feedback circuits during operation.
The permitted ambient temperature reaches +55 °C, so tightly sealed enclosures may require forced ventilation. Minimum spacing of 80 mm above and below the heat sink supports vertical mounting and unobstructed airflow, and the housing meets IP 10, so the controller should be installed inside a closed electrical cabinet for dust protection. Proper clearance around the heat sink helps preserve airflow paths and reduces the chance of localized heat buildup near adjacent components. A grounding conductor of at least 10 mm² must be connected, and encoder wiring can be selected for either the spindle or a second motor according to the machine layout. The unit has a mass of 10.5 kg, which supports straightforward cabinet installation and handling.
Frequently Asked Questions about TDA 1.3-100-3-APD:
Q: What is the rated current of the TDA 1.3-100-3-APD spindle controller?
A: The TDA 1.3-100-3-APD has a rated current of 100 A, supporting high-power spindle operations.
Q: What blower supply voltage does the TDA 1.3-100-3-APD require?
A: This spindle controller requires a blower supply voltage of 220 VAC.
Q: What type of position command interface is supported by the TDA 1.3-100-3-APD?
A: The TDA 1.3-100-3-APD uses a 16-bit parallel position command interface for precise control input.
Q: What encoder input options are available on the TDA 1.3-100-3-APD?
A: This unit features an encoder input that supports both spindle and a second motor for flexible feedback options.
Q: What is the maximum ambient temperature the TDA 1.3-100-3-APD can operate in?
A: The TDA 1.3-100-3-APD is rated for use in environments with ambient temperatures up to +55 °C.
