Allen-Bradley 20F11ND027AA0NNNNN

The 20F11ND027AA0NNNNN is an Allen-Bradley Adjustable Frequency AC Drive. This drive is part of the PowerFlex 753 which operates at an input voltage of 480 Volts AC/650 Volts DC. It delivers an applicable motor output power of 20 Horsepower and output current of 27 Amperes for normal duty; 15 Horsepower and 22 Amperes for heavy duty operation. This drive is installed to an enclosure that offers an IP20/IP00, NEMA/UL Type Open protection rating. It comes with integral filtering, with removed CM Cap connection. This drive does not have a door mounted Human Interface Module (HIM).

The Allen-Bradley 20F11ND027AA0NNNNN is PowerFlex 753 AC Drive. This drive is well suited to control 27 Amps rated 3-phase motor. It delivers an output power of 20 Horsepower at normal duty and 15 Horsepower at heavy-duty. This is a modular type of AC drive that provides flexibility to be used with simple applications and also to be integrated into high-tech industrial networks. Its flexibility is shown even in power supply options because it is supplied over 480 Volts AC three-phase voltage but it is equipped with DC terminals too. Internal filtering is available with this drive and Dynamic Brake option is also integrated. The 20F11ND027AA0NNNNN, like all PowerFlex 750 series drives, has a slot-based architecture. Perfect control is achieved over patented Sensorless Vector Control and Vector Control with FORCE technology. They both execute control through PWM with a 4 kHz programmable carrier frequency. The output frequency varies from 0 to 590 Hertz. This 20F11ND027AA0NNNNN module runs diagnostics every time it is started and if there is a problem the user will be notified through the HMI user interface. The drive is mounted over a flange. It is an air-cooled device that must be kept at 0 to 55 degrees Celsius (32 to 131 degrees Fahrenheit) temperatures. It is delivered in an IP00/IP20 rated housing with frame size 3. Its outer dimensions with flange calculated in are 260.0 x 515.0 x 212.0 millimeters (10.24 x 20.28 x 8.35 inches). The approximate weight of this bulletin 750 device is 12 kilograms (26 pounds). The drive has ABS, c-UL-us, and CE certificates.

The Allen-Bradley 20F11ND027AA0NNNNN is part of the PowerFlex 753 adjustable frequency AC drive. This drive and the entire PowerFlex 753 offers a cost-effective and efficient control of Speed and Torque output of industrial AC motors. It comes with a Panel mounted hardware that is recommended for installation in IP00 / IP20 Rated enclosures. Additionally, this drive supports is capable of implementing control methods such as Vector Control w/FORCE Technology with and without an encoder; Sensorless Vector Control (SVC) for torque control; Volts per Hertz (V/Hz) control for speed control; permanent magnet motor control but only the interior.

The 20F11ND027AA0NNNNN drives the connected AC motor through its output power and current ratings such as 20 Horsepower and output current of 27 Amperes for normal duty; 15 Horsepower and 22 Amperes for heavy duty operation. Being a Frame 3 Drive, it delivers an output frequency of 0-325 kHz at a carrier frequency of 2 kHz. It has a 0.5% of base speed across 40:1 speed range and 40:1 operating range for V/Hz and SVC control modes; , 0.1% of base speed across 100:1 speed range, 120:1 operating range, 50 rad/s bandwidth for Flux Vector mode without feedback; 0.001% of base speed across 100:1 speed range, 1000:1 operating range, 190 rad/s bandwidth for Flux Vector mode with Feedback; Torque regulation of ±5%, 600 rad/s bandwidth without feedback and ±2%, 2500 rad/s bandwidth with feedback.

Aside from Speed and Torque regulation, the 20F11ND027AA0NNNNN may also be used for protective start-up and shutdown of motor operation as it comes with multiple programmable stop modes such as Ramp, Coast, DC-Brake, Ramp-to-Hold, Fast Braking, and Current Limit Stop, as well as two (2) acceleration and deceleration settings which can be programmed from 0-3600 Seconds in 0.1 Second increments. It also has an adjustable S-curve time that is adjustable from 0-100% that is applicable for normal duty operation.

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