Allen-Bradley 1336F-BRF75-AA-EN Energy-Saving AC Drive

Allen-Bradley 1336F-BRF75-AA-EN Energy-Saving AC Drive for Optimized 1336 PLUS II Automation

The Allen-Bradley 1336F-BRF75-AA-EN is a high-efficiency AC variable frequency drive (VFD) from Rockwell Automation’s renowned 1336 PLUS II series, engineered to deliver precise motor speed control, measurable energy reduction, and extended equipment service life in demanding industrial environments. Rated at 75 HP (55 kW), this drive is purpose-built for continuous-duty applications where energy consumption, production throughput, and system uptime are critical performance indicators.

In modern manufacturing facilities, unregulated motor operation is one of the largest sources of avoidable energy waste. The 1336F-BRF75-AA-EN addresses this directly by applying variable voltage and frequency output to match motor speed precisely to actual load demand — eliminating the energy penalty of fixed-speed operation and mechanical throttling. The result is a measurable reduction in kilowatt-hour consumption per production cycle, lower peak demand charges, and reduced thermal stress on connected motors and mechanical components.

Efficiency Performance Table

Energy-Aware Automation Architecture

The 1336F-BRF75-AA-EN is designed to integrate seamlessly into a layered industrial automation architecture where energy visibility and control efficiency are built into every layer of the system. At the controller level, it pairs directly with the Allen-Bradley ControlLogix L6x/L7x series processors via EtherNet/IP, enabling closed-loop speed and torque commands to be issued in real time based on process feedback. For legacy installations, compatibility with SLC 500 and PLC-5 platforms ensures that existing control infrastructure can be upgraded with modern drive efficiency without full system replacement.

On the network side, the integrated EtherNet/IP port (EN suffix) allows the drive to participate in a Rockwell Automation Integrated Architecture environment alongside 1769 CompactLogix controllers and 1734 POINT I/O modules, enabling distributed I/O expansion and real-time diagnostics without additional communication adapters. For energy monitoring, the drive’s onboard current and voltage sensing can feed data upstream to PowerMonitor 5000 or PowerMonitor 1000 units, providing per-drive energy consumption data that integrates into plant-wide power management dashboards.

In servo-coordinated lines, the 1336F-BRF75-AA-EN operates alongside Kinetix 6500 servo drives to handle high-inertia auxiliary axes — such as conveyor indexing or material handling — while servo axes manage precision positioning. This division of motion tasks optimizes both energy use and cycle time. The 1336 PLUS II drive’s built-in dynamic braking capability further reduces energy waste during deceleration cycles by dissipating regenerative energy through an optional braking resistor, preventing DC bus overvoltage and protecting the drive during rapid load changes.

For operator interface and parameter management, the drive supports connection to PanelView Plus 7 HMI terminals, allowing operators to monitor drive status, adjust speed references, and view fault history directly from the production floor. Parameter configuration and firmware management are handled via DriveExplorer or Studio 5000 Logix Designer, ensuring consistent drive setup across multi-drive installations and reducing commissioning time.

Power Optimization in Real Production Lines

In pump and fan applications — which account for a significant share of industrial electricity consumption — the 1336F-BRF75-AA-EN delivers energy savings that scale with the affinity laws of fluid dynamics. Reducing motor speed by just 20% can cut power consumption by nearly 50%, and the drive’s precise speed regulation ensures that flow rates and pressures are maintained at setpoint without the energy waste of bypass valves or mechanical dampers. In HVAC and cooling tower applications, this translates directly to lower utility bills and reduced carbon output per unit of production.

On conveyor and material handling lines, the drive’s smooth acceleration and deceleration profiles reduce mechanical shock on belts, gearboxes, and couplings — extending component service life and reducing unplanned downtime. The drive’s built-in fault diagnostics, accessible via EtherNet/IP or the onboard keypad, provide early warning of overcurrent, overtemperature, and ground fault conditions, enabling maintenance teams to schedule interventions before failures occur. This predictive maintenance capability reduces mean time to repair (MTTR) and keeps overall equipment effectiveness (OEE) metrics on target.

In multi-drive production lines, the 1336F-BRF75-AA-EN supports load-sharing and speed-follower configurations, allowing multiple drives to coordinate motor speeds across a common process — such as a multi-zone conveyor or a tandem pump station — without requiring a separate motion controller. This reduces control system complexity, lowers panel wiring costs, and improves line synchronization. Combined with the drive’s auto-restart and flying start features, production lines can recover from brief power interruptions without manual intervention, minimizing lost production time.

Every 1336F-BRF75-AA-EN unit supplied by ZYPLC undergoes full functional testing prior to shipment, including load simulation, communication verification, and parameter validation. Units are sourced from verified supply channels and backed by a 12-month warranty, with in-stock availability supporting fast delivery to minimize procurement lead times and production downtime.

Energy Optimization FAQ

Q1: How much energy can the 1336F-BRF75-AA-EN save compared to a fixed-speed motor starter?
In variable-torque applications such as pumps, fans, and blowers, energy savings of 20–50% are typical when replacing a direct-on-line (DOL) starter with the 1336F-BRF75-AA-EN. Actual savings depend on the load profile, duty cycle, and the degree of speed variation required by the process. The drive’s ability to match motor output precisely to demand eliminates the constant full-speed operation that wastes energy in throttled or bypass-controlled systems.

Q2: Is the 1336F-BRF75-AA-EN compatible with my existing Allen-Bradley PLC and network infrastructure?
Yes. The EN suffix denotes an integrated EtherNet/IP communication port, making the drive compatible with ControlLogix, CompactLogix, SLC 500, and PLC-5 controllers. It supports standard Add-On Instructions (AOIs) in Studio 5000 and can be configured via DriveExplorer software. For legacy DH+ or Remote I/O networks, appropriate communication adapters are available within the 1336 PLUS II accessory range.

Q3: Can this drive replace an older 1336 PLUS or 1336 IMPACT drive in an existing installation?
The 1336 PLUS II series is designed as a form-fit-function upgrade path from earlier 1336 PLUS drives, with compatible mounting dimensions and parameter structures that simplify replacement. For 1336 IMPACT replacements, a parameter mapping review is recommended to ensure control mode and I/O configuration compatibility. ZYPLC can provide pre-shipment parameter configuration services to reduce on-site commissioning time.

Q4: What does the 12-month warranty cover, and what is the testing process before shipment?
All units are tested under load conditions prior to shipment to verify output voltage, current regulation, communication functionality, and fault response. The 12-month warranty covers defects in materials and workmanship under normal operating conditions. Units showing signs of physical damage, unauthorized modification, or operation outside rated specifications are excluded. ZYPLC maintains in-stock inventory of the 1336F-BRF75-AA-EN to support rapid replacement under warranty claims, minimizing production disruption.

© 2026 ZYPLC. All rights reserved.
Original Source: https://zyplc.com
Contact: +86 19859288691 | [email protected]