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R911256134 (RAC 2.3-250-380-A0I-W1)

RAC Spindle Drive Controllers

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The Bosch Rexroth MPN R911256134 (RAC 2.3-250-380-A0I-W1) is an AC main spindle drive controller with a rated current of 250 A and a connection voltage of 3 x 400 V AC at 50-60 Hz. It features an internal blower for cooling, an analog speed command interface (+/-10 V), and an incremental encoder output. Designed for 2AD series main spindle motors, it provides an internal position control loop for high-precision spindle control up to 1/4000000 of a rotation. Functions include C-axis operation, power and torque limitation, and adjustable maximum spindle speed. The controller has an X4 (9-pole) interface terminal and allows onsite parameter configuration.

Technical Specifications

Product Type
Main Spindle Drive Controller

Current
250 Amps

Rated Connection Voltage
3x400 Volts AC

Rated Frequency
50-60 Hertz

Features
Mounted Blower

Additional Bleeder
No

Compatible Main Spindle Motors
2AD

Motion Functions
Safe

Internal Position Control Loop
Yes

Spindle Performance
High Accuracy

Speed Range
Wide

Motor Noise
Minimal

Spindle Position Evaluation
Yes

Spindle Encoder Resolution
High

Spindle Position Signal Precision
Up to 1/4000000 of a Rotation

Analog Interface
Yes for Speed Command Values

Connectivity
Connector for AS Programming Module

Parameter Values
Assignable On-site During Commissioning

Storable Features
Inside the AS Programming Module

Applicability
Wide Range.

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the RAC 2.3-250-380-A0I-W1.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.