Allen-Bradley 25B-D017N104 Variable Frequency Drives

Configured for precise motor control and frequency regulation in variable speed industrial drive systems, the Allen Bradley 25B-D017N104 (25B-D017N104 AC Drive) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

Hardware Specifications

EtherNet/IP and Backplane Deterministic Network Integration

The 25B-D017N104 AC drive incorporates embedded Ethernet/IP networking capability to achieve deterministic control communication velocity across Logix architecture. Drive configuration profile parameters interface directly with Studio 5000 Logix Designer software, facilitating real-time I/O density scaling and tag synchronization. Onboard motor control algorithms maintain firmware flash compatibility across standard PowerFlex 525 drive revisions while preserving low latency during speed reference updates and fault telemetry reporting.

Frequently Asked Questions

Q: What power isolation and line reactor measures are required since this drive lacks an embedded EMC filter?

A: In installations with strict electromagnetic compatibility limits or long cable runs, an external AC line reactor or external EMC filter must be wired ahead of the 380-480 VAC line inputs to mitigate harmonic distortion and conducted emissions.

Q: What output frequency range does this drive support for high-speed motor control?

A: The drive provides an adjustable output frequency range from 0 to 500 Hz, allowing flexible control over standard induction motors as well as high-speed motor applications within its 17 A rating.

Q: How is thermal dissipation handled for the Frame Size C enclosure?

A: Enclosure cabinet design must maintain adequate vertical airflow clearances and ambient panel temperatures below maximum operating thresholds to prevent thermal fault tripping under continuous 17 A operation.

Field Installation Guidelines

1. Enclosure Mounting and Ventilation: Mount the Frame Size C drive vertically on a flat, rigid surface within an IP20-rated industrial cabinet. Maintain adequate top and bottom vertical clearance to ensure unrestricted thermal airflow across the heat sink.
2. Power Conductors and Grounding: Connect incoming 380-480 VAC 3-phase lines to terminals R/L1, S/L2, and T/L3. Connect motor power leads to U/T1, V/T2, and W/T3. Run a low-impedance copper ground wire directly from the drive chassis ground lug to the cabinet earth ground bus.
3. Motor Cable Shielding: Use 4-conductor shielded drive cable for motor power connections. Ground the cable shield 360 degrees at the drive grounding clamp and terminate the shield properly at the motor terminal box to control high-frequency noise.
4. Signal Line Isolation: Route analog control lines and Ethernet communication cables in dedicated grounded metal conduits, maintaining a minimum 300 mm (12 inches) clearance from high-voltage 480 VAC power and motor output wiring.