TDM 2.1-15-300-W0 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat TDM 2.1-15-300-W0 is a servo drive module from the TDM Servo Drive Modules series with a continuous power output of 4.5 kW and a rated current of 15 Amps. This module features a DC link voltage of 300 VDC, uses natural convection for cooling, and weighs 9 kilograms.
Internal Product Review
The TDM 2.1-15-300-W0 is a Bosch Rexroth Indramat servo drive module that presents as a well-engineered choice for precise motion applications. Natural convection cooling and 4.5 kW continuous power support efficient operation without unnecessary system complexity. A 300 VDC DC link voltage and 55 °C maximum ambient temperature highlight dependable performance in demanding service conditions.
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Product Description:
The TDM 2.1-15-300-W0 is a servo drive module produced by Bosch Rexroth Indramat within the TDM Servo Drive Modules series. It converts the direct-current bus energy available in an Indramat cabinet into phase-controlled power that regulates synchronous or asynchronous motors used in automated machinery. By performing current, speed, and position control in a single compact unit, the module provides the link between the upper-level controller and the motor shaft in material handling lines, packaging stations, and other motion tasks. This arrangement allows the drive to respond quickly to command changes during starts, stops, and position corrections.
It delivers a continuous armature current of 15 A, and the rated value for steady operation is the same. The peak current is also limited to 15 A to protect connected windings. The module can supply up to 4.5 kW of mechanical output when the DC link remains at 300 VDC. Its internal measurement chain uses a scale factor of 0.075 V/A, so every ampere drawn by the motor appears as 75 mV at the monitoring terminals. Natural convection removes the heat that is generated, and total power loss at full load is constrained to 110 W. A minimum Ired current of 1.5 A keeps the current regulator inside its linear range. The negative auxiliary rail provides 15 mA, while the positive rail supplies the same value for external circuitry, and the -15 V signal line can source up to 60 mA for feedback electronics.
The drive operates at ambient temperatures up to 55 °C and at mounting elevations up to 1000 m above sea level before derating is required. The +15 V signal rail delivers a maximum of 140 mA, allowing encoders and sensors to draw power directly from the module. Overall weight is kept to 9 kg, enabling placement on DIN rails or panel plates without heavy structural support.
