The 25A-D1P4N104 from Allen-Bradley is a Variable Frequency Drive (VFD) or Variable Speed Drive (VSD) from the PowerFlex 523, series of Adjustable Frequency AC Drive. This drive is a Frame B drive that comes with an IP20 / NEMA Type Open enclosure. It supports horizontal and vertical mounting and is designed for zero stacking installation with multiple drives. The 25A-D1P4N104 input ratings include 380-480 VAC, 3-phase, the input current of 1.9 Amperes, and the input power of 1.7 kVA. The drive’s output characteristics include 0-460 AVC, 3-phase voltage, the output current of 1.4 Amperes, output power of 0.5 HP or 0.4 kW, and output frequency of 0-500 Hz. Integral features to the 25A-D1P4N104 drive are built-in standard Human Interface Module (HIM) and Insulated Gate Bipolar Transistor (IGBT) braking mechanism. It is also provided with an RS485 port shat supports both Modbus RTU and Drive Serial Interface (DSI) communication protocol. Integrated protection features to the 25A-D1P4N104 are Class 10 Electronic Overload protection, Overcurrent, ground fault, and Short circuit trip. The drive’s Bus Overvoltage trip is set at 810V DC bus which is equivalent to 575V AC incoming line while the Undervoltage trip is 390V DC bus that is equivalent to 275V AC incoming line. Configurable control methods to the drive are Sinusoidal PWM, Volts/Hertz, Sensorless Vector Control, Economizer SVC motor control, Closed Loop Velocity Vector Control, Surface Mount and Interior Permanent Magnet Motor (without encoder), and Interior Permanent Magnet Motor (with encoder). For efficient starting and stopping, configurable settings are acceleration times and deceleration, Ramp, Coast, DC-Brake, and Ramp-to-Stop, respectively.

The 25A-D1P4N104 PowerFlex 523 AC Power Drive by Allen-Bradley is a 480V AC (3-phase) variable control drive, with 1 analog and 5 digital inputs, which provides multi-purpose control for an application ranging to up 30HP and 22kW. The drive has an input range of 380-480V AC at 47-63Hz, with an output rating of 1.4A, and 0.4kW (0.5HP), and it has a voltage tolerance of -15% / +10%. It offers a drive displacement factor of 0.98 across all speed ranges with a minimum short-circuit rating of 100,000A (Symmetrical), and it uses an Isolated Gate Bipolar Transistor (IGBT) with a DC BUS choke of 15-18.5kW (20-25HP). The drive offers a BUS over-voltage trip of 810V DC, with 390V DC under-voltage trip, and a power ride-through time of 100ms, with over 200% hardware limit and over 300% instantaneous fault limit over-current protection. The 25A-D1P4N104 provides control through the Sinusoidal PWM, Volts/Hertz, Sensorless Vector Control, Economizer SVC motor control.

It has a carrier frequency range of 2-16 kHz, with 4 kHz as the drive default value, and it has a frequency accuracy within ±0.05% for digital input, within 0.5% for analog input, and about +/-2% of full scale for analog output. It has a performance rating +/-1% of base speed across a 60:1 speed range (Volt per Hertz), and ±0.5% of base speed across a 100:1 speed range (Sensorless Vector control), and it has an overall control efficiency of 97.5%, with a programmable output frequency range of 0-500Hz. The 25A-D1P4N104 has 5 (1 Dedicated and 4 programmable) digital inputs with either sink (18-24V/0-6V ON/OFF), or source (0-6V/18-24V ON/OFF) mode, selectable via a DIP switch setting, and 1 isolated 10-bit, 0-10V and 4-20mA, analog input, with 100 K Ohms/250 K Ohms input impedance.

It has 1 programmable Form C Relay output, with inductive and resistive ratings, and 1 non-isolated 0-10V or 4-20mA analog output, with 1 K Ohms and 525 Ohms minimum loads. It has a -4-122 oF working temperature range that it can function at without de-rating, around 0-95% relative humidity, non-condensing, and it can be installed at a height of up to 1000 m (3300 ft) without de-rating. The drive is mounted using either the DIN Rail or Screw mounting option, and it is built to resist a 15G operational shock and a 2G vibration. It weighs about 1.1Kg (2.4lb), and it has net dimensions of 72.0mm x 152mm x 172mm.

1. What are the available stopping modes to the 25A-D1P4N104?

The 25A-D1P4N104 stopping modes include Ramp, Coast, DC-Brake, and Ramp-to- Stop.

2. Is the 25A-D1P4N104 capable of being configured as a PID controller?

Yes. The 25A-D1P4N104 is provided with PID controller capability.

3. Does the 25A-D1P4N104 comes with an internal IGBT brake?

Yes. The IGBT brake mechanism is supplied as standard to the 25A-D1P4N104.