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

RAC Spindle Drive Controllers

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The Bosch Rexroth R911256134 (RAC 2.3-250-380-A0I-W1) drive controller is a main spindle drive controller featuring a typical current of 250 amps and a rated connection voltage of 3x400 Volts AC. It operates at frequency ratings of 50-60 hertz and has an integrated blower. This controller is designed with both an analog speed selecting interface and an incremental encoder output interface. It especially suits 2AD main spindle motors and contains safe motion functions for motor durability. It also offers an internal position control loop for high-precision performance and a wide speed range, which minimizes motor heat and noise. Capable of precise spindle control up to 1/4000000 of a rotation, it offers functions including c-axis function, power and torque limits, maximum spindle speed, and more. The device includes an interface for command value transmission and allows onsite parameter insertion during commissioning. This globally-shippable unit includes a one-year warranty from Indramat USA.

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.

Common Misspellings

1620 Old Apex Road
Cary, NC 27513, USA

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

Fax: 1-919-867-6204

[email protected]

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Warranty

Indramat USA 1 Year Warranty

Repair

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

Phone

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.