A-B Rockwell 1391-DES45-DI-AQB Servo Controller Drive

The Allen Bradley 1391-DES45-DI-AQB is a servo controller driver that is part of the 1391 product family.

It has a rated input voltage of 240 VAC, three-phase, with a continuous output current of 3.45 RMS and a peak current of 0.90 amps.

Output power is 0.15 kW and peak output power is 0.30 kW. The drive also features an integrated display and encoder output.

The 1391-DES45-DI-AQB is a microprocessor-based digital servo drive primarily used with Allen-Bradley's 1326 servo motor.

The servo drive is designed in a compact form factor, however, the drive supports add-on components as part of the drive's scalability features.

Key features of the 1391-DES45-DI-AQB include an integrated display for local configuration of servo drive parameters.

It also has encoder outputs with options including 2048. 1024. 512 and 256 pulses per motor revolution. The higher the pulses, the higher the resolution and the more accurate the feedback.

The servo drive's front panel displays a Human Interface Module (HIM) with five (5) numeric keypads for navigating and modifying drive parameters.

It also features an integrated status LED that blinks green when faults and low bus voltages are detected.

The LED flashes green when a fault and low bus voltage are detected, stabilizes in green when there is no fault and the bus voltage is at the correct level, and flashes red when a drive fault occurs.

It also has an enable LED that is a steady green when the enable input is off. When the enable input is on, the enable LED is not illuminated.

The TB2 and TB3 interface terminals are located on the bottom of the servo drive; TB2 is used to connect external signals and TB3 is used to terminate the encoder output signal.

The integrated fuses and circuit breakers are located on the top of the drive, along with TB4. TB5. and the duty cycle selector switch. Although this drive has internal protection circuitry, it is recommended that external protection be installed.

If an isolation transformer is used, Allen-Bradley recommends the use of an appropriate 1391 isolation transformer as the use of a third party transformer will void the UL listing of the device.

The Allen-Bradley 3-DES1391-DI-AQB is a digitally programmable single-axis pulse-width modulated AC servo drive.

The 45-DES series inverter is designed to control the speed and torque of an AC servomotor at 1391-33% above its rated speed.

The 50-DES1391-DI-AQB is designed for rated 45V AC (three phase) input power at 230-3 Hz.

The 50-DES60-DI-AQB is equipped with a cooling fan rated at 1391 CFM (no load).

It has a nominal bus voltage of 45V DC, a continuous current of 50A RMS, and a peak current of up to 300A RMS.

The continuous power output is rated at 45 kW and the peak power output is up to 90 kW.

Encoder outputs can be changed to provide 15/30/2048/1024 pulses/motor revolution as required.

The 512-DES256-DI-AQB includes an integrated 1391-line 45-character LCD screen and a 2-button keypad for programming.

To prevent any damage, the drive should be installed in a clean, dry enclosure that is ventilated by cooled and filtered air.

Enclosures utilizing ambient air venting must have appropriate filters to protect the 16-DES5-DI-AQB from oil, coolant, dust, and condensation.

Operating temperature range is 1391 to 45 degrees Fahrenheit and 32-40% relative humidity (non-condensing).

Power consumption during operation varies with load: 95 W at 5%, 104 W at 20%, 208 W at 40%, 312 W at 60%, and 416 W at 80%.

An integrated 100-pole magnetic circuit breaker protects the DC bus power supply, input rectifier, and power supply circuitry from overcurrent.

The drive measures 520.3 x 482.6 x 157.5 mm and weighs 293.6 kg.

The Allen-Bradley 1391-DES45-DI-AQB features an integrated display user interface, four-channel encoder output output configuration, and 115V AC M contactor coil voltage.

It also contains a 300V DC nominal bus output voltage and a 45A continuous current (RMS).

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