DDS02.1-W050-D

MPN: R911245477

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The DDS02.1-W050-D drive controller from Rexroth Indramat delivers precise motor control with a rated current of 50 A and a DC bus voltage of 300 V. Its digital servo motor feedback ensures accuracy.

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Product Description:

The DDS02.1-W050-D is a drive controller module from the DDS series of Rexroth Indramat. The module is designed for various industrial automation systems. With a rated current of 50 A and a DC bus voltage of 300 V, this module offers reliable and efficient drive control. Key features include air-cooling via an external control cabinet, IP20 protection against solid objects, and support for digital servo motor feedback.

The DDS02.1-W050-D drive controller operates within a voltage tolerance of 15% that ensures stable performance under variable conditions. Its cooling system relies on air circulation facilitated through an external control cabinet. It helps maintain the recommended operating temperature of 0 degrees C to +45 degrees C. The module's protection rating of IP20 offers defense against solid particles but does not shield it from liquids. The device can operate at altitudes of up to 1000 meters above sea level and withstand humidity levels of up to 95%, as long as it remains non-condensing. The storage temperature range spans from -30 degrees C to +85 degrees C making the module suitable for environments where temperatures may fluctuate significantly during downtime. It weighs approximately 7.5 kg which contributes to its integration into larger control cabinets without adding significant bulk.

The DDS02.1-W050-D drive controller also supports modular software designed for flexible drive control, though the firmware must be purchased separately. This modularity allows for easy upgrades and customization according to specific automation requirements. The motor feedback system is digital and the type of feedback depends on the connected modules. This enables precise control and monitoring of motor performance. The module complies with EMC standards to reduce electromagnetic interference which enhances its reliability in automated systems. The DDS02.1-W050-D module is a robust and efficient drive control solution that offers key features for maintaining stable performance.

Altitude Tolerance
Up to 1000 meters above sea level
DC Bus Voltage
300 V
Humidity Tolerance
Up to 95% non-condensing
Motor Feedback Type
Digital servo motor feedback
Operating Temperature Range
0 degrees C to +45 degrees C
Protection Rating
IP20
Rated Current
50 A
Storage Temperature Range
-30 degrees C to +85 degrees C
Voltage Tolerance
15%
Weight
7.5 kg
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Fault / Code What it means Corrective action
F2-18 Amplifier over-temperature Power stage heat-sink exceeded shutdown limit. Reduce axis load, clear cabinet filters, verify blower, keep ambient < 45 °C.
F2-19 Motor over-temperature Temperature sensor inside the motor signals overheating. Check mechanical load, balance the axis, clean the motor fan path, allow cool-down.
F2-20 Bleeder over-temperature Internal brake resistor is beyond its thermal rating. Lengthen decel ramps, add external resistor, or use supply/regenerative module sized for higher braking energy.
F2-26 Undervoltage enabled DC-bus undervoltage while drive enable was already high. Verify supply unit ready signal, measure DC-bus, inspect pre-charge / mains contactor.
F2-29 Motor encoder failure – quadrant error Encoder feedback from the motor is corrupt or missing. Reseat X4 feedback connector, inspect encoder cable for damage, check shielding and 5 V supply.
F2-34 Emergency stop active External E-stop chain is open. Reset the machine-safety circuit, make sure STO / enable contacts close simultaneously.
F2-36 Excessive position feedback difference Commanded vs. measured position deviation is > limit. Slow the axis, check mechanical coupling for slip, re-align encoder, retune gains.
F2-80 Earth-connection fault Leakage from DC-bus or motor leads to ground detected. Meg-ohm test motor-power cable, inspect insulation, correct grounding straps.
F2-81 Mains fault Supply module reports one or more phases missing. Check plant fuses, terminal torque, line-reactor wiring, measure all three phases.
F2-83 Line over-voltage AC input is > +10 % of nominal; DC-bus climbs too high. Measure utility line, retap step-down transformer, add line reactor or active front-end.
Model Rated current Cooling style Motor feedback Interface / comms Typical use-case
DDS02.1-W050-D 50 A continuous (40 A cont., 50 A peak) Internal air, control-cabinet exhaust Digital servo feedback Factory-assigned plugin (usually ANALOG or SERCOS) Mid-power axes on packaging & woodworking machines
DDS02.1-W025-D 25 A Internal air Digital servo Analog / SERCOS Low-inertia pick-&-place or small conveyors
DDS02.1-W100-D 100 A Internal air Digital servo Field-selectable plugin Heavy servo axes, gantry drives
DDS02.1-W150-D 150 A Internal air Digital servo Field-selectable plugin Very high-current spindle or extruder drives 
DDS03.1-W050-D 50 A Internal air Digital servo ANALOG or SERCOS Functional match to W050-D with newer Series 3 control electronics
DDS02.1-W050-DA01-01-FW 50 A Internal air Digital servo Analog interface DA01 plugin Retrofit replacement when an analog velocity interface is required (indramat-usa.com)
Error Code Meaning / Condition
F207 Switching to an un-initialized operating mode (drive tried to enter a mode that has not been parameterized).
F218 Amplifier heatsink over-temperature shutdown.
F219 Motor over-temperature shutdown (thermistor triggered).
F220 Bleeder overload / brake-resistor over-temperature shutdown.
F226 Undervoltage on the DC-bus while drive is enabled.
F228 Excessive position-command / following-error deviation.
F229 Motor encoder 1 failure – quadrant error (corrupt or missing encoder signals).
F230 Max. signal frequency of encoder 1 exceeded (encoder running beyond interface limit).
F236 Excessive position-feedback difference between dual encoders.
F242 Encoder 2 failure – signal too small (external encoder amplitude low).

Frequently Asked Questions about DDS02.1-W050-D:

Q: How does EMC compliance benefit the DDS02.1-W050-D?

A: The DDS02.1-W050-D controller meets EMC standards to minimize electromagnetic interference, ensuring stable and reliable operation even in environments with high noise.

Q: Why does the DDS02.1-W050-D use external cooling?

A: The DDS02.1-W050-D drive controller uses external cabinet air cooling to effectively manage heat, optimizing performance in compact installations.

Q: What is the benefit of modular software in DDS02.1-W050-D?

A: The modular software of the DDS02.1-W050-D allows for flexible customization, enabling easy upgrades and tailored control options.

Q: How does digital motor feedback improve DDS02.1-W050-D control?

A: The digital servo motor feedback in the DDS02.1-W050-D ensures precise motor control, improving accuracy in automation tasks.

Q: Why does the DDS02.1-W050-D have an IP20 rating?

A: The IP20 protection rating of the DDS02.1-W050-D ensures reliable operation in environments with solid objects but no liquid exposure.


Internal Product Review

  • ‘‘The DDS02.1-W050-D drive controller from Rexroth Indramat stands out for its precise motor feedback and modular software support, allowing tailored control solutions. With a rated current of 50 A, IP20 protection, and 300 V DC bus voltage, it ensures efficient and reliable drive performance.’’

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