Allen-Bradley 1336S-BRF10-AA-EN Energy-Saving AC Drive

Allen-Bradley 1336S-BRF10-AA-EN Energy-Saving AC Drive for Optimized 1336 PLUS II Automation

The Allen-Bradley 1336S-BRF10-AA-EN is a high-efficiency AC variable frequency drive engineered for demanding industrial environments where energy optimization, motor control precision, and production line reliability are non-negotiable. As part of Rockwell Automation’s proven 1336 PLUS II series, this drive delivers intelligent speed regulation, dynamic torque response, and measurable reductions in energy consumption across continuous and intermittent duty cycles. Whether deployed in pump control, conveyor systems, compressor regulation, or multi-axis production lines, the 1336S-BRF10-AA-EN provides the control architecture needed to reduce idle energy draw, eliminate mechanical stress from direct-on-line starting, and extend motor service life.

In modern manufacturing, energy waste is rarely caused by a single component — it accumulates across poorly coordinated drive systems, unregulated motor speeds, and reactive maintenance cycles. The 1336S-BRF10-AA-EN addresses this at the drive level by enabling precise frequency and voltage output matching to actual load demand, ensuring motors operate within their optimal efficiency band rather than at fixed full-speed output. This translates directly into lower kWh consumption per production cycle, reduced thermal stress on motor windings, and fewer unplanned shutdowns caused by overcurrent or overvoltage faults.

Efficiency Performance Table

Energy-Aware Automation Architecture

The 1336S-BRF10-AA-EN does not operate in isolation — its energy optimization value is fully realized when integrated into a coordinated automation architecture. In a typical 1336 PLUS II deployment, the drive interfaces with a ControlLogix or CompactLogix PLC controller via a 1336-GM1 DeviceNet communication module, enabling real-time speed reference commands and fault feedback loops without analog signal degradation. This digital command pathway eliminates the energy losses associated with analog setpoint drift and allows the PLC to dynamically adjust drive output based on process sensor feedback.

On the power monitoring side, integrating a PowerMonitor 500 or PowerMonitor 1000 energy meter upstream of the drive panel provides granular kWh consumption data per production shift, enabling engineering teams to benchmark energy performance before and after drive installation. When paired with a 1336-PB-SP2A dynamic braking module, the drive can recover regenerative energy during deceleration phases — particularly valuable in high-inertia applications such as centrifuges, winders, and large conveyor systems — feeding that energy back into the DC bus rather than dissipating it as heat.

For multi-drive installations, the 1336S-BRF10-AA-EN can be coordinated alongside 1336 IMPACT or 1336 FORCE series drives on a shared DeviceNet or ControlNet segment, allowing a single PLC program to orchestrate speed ratios across multiple axes. This is especially effective in web tension control, where maintaining precise speed differentials between drive zones directly impacts material waste and product quality. The addition of a 1336-L6E line filter on the input side further reduces harmonic distortion, protecting upstream transformers and improving overall power factor — a measurable contribution to facility-level energy efficiency scores.

On the I/O integration layer, a 1746-OW16 relay output module or 1734 POINT I/O block can be used to capture drive run/fault status signals and feed them into the plant’s SCADA or MES system, enabling real-time equipment utilization tracking. When a 2711P PanelView Plus HMI is added to the control panel, operators gain direct visibility into drive speed, output current, fault history, and energy consumption trends — reducing the diagnostic time required during shift changeovers and enabling faster response to process deviations.

Power Optimization in Real Production Lines

In real production environments, the energy impact of the 1336S-BRF10-AA-EN is most visible in applications where motors previously ran at fixed speed regardless of actual load demand. A packaging line running a conveyor motor at 60 Hz continuously — even during low-throughput periods — wastes a disproportionate share of its energy budget on mechanical friction and heat generation. By deploying the 1336S-BRF10-AA-EN to regulate conveyor speed in proportion to upstream product flow, facilities routinely achieve 20–40% reductions in motor energy consumption during partial-load periods, with no loss in throughput capacity during peak demand.

In pump and fan applications, the energy savings are even more pronounced. Centrifugal pump and fan systems follow the affinity laws, meaning that a 20% reduction in motor speed results in approximately 50% reduction in power consumption. The 1336S-BRF10-AA-EN’s precise frequency control makes it ideally suited for HVAC air handling units, cooling tower fans, and process water circulation pumps — all of which benefit from variable speed operation rather than throttle valve or damper control.

From a maintenance cost perspective, soft-start and soft-stop capability built into the 1336 PLUS II drive architecture eliminates the mechanical shock loads that cause premature bearing failure, coupling wear, and gearbox damage in direct-on-line motor starters. Facilities that have transitioned from across-the-line starters to 1336S-BRF10-AA-EN drives report significant reductions in unplanned downtime, with motor bearing replacement intervals extending from 12–18 months to 36–48 months in comparable duty cycles. This reduction in maintenance frequency directly lowers spare parts inventory requirements and technician labor costs.

All units supplied by ZYPLC undergo functional load testing prior to shipment, verifying output voltage linearity, frequency accuracy, fault response behavior, and communication module integrity. This pre-shipment validation process ensures that the drive arrives ready for installation without requiring additional bench testing on the customer’s end — reducing commissioning time and accelerating return to production. Each unit is backed by a 12-month warranty covering manufacturing defects and component failures under normal operating conditions.

Energy Optimization FAQ

Q1: How much energy can the 1336S-BRF10-AA-EN save compared to a fixed-speed motor starter?
In variable torque applications such as pumps, fans, and blowers, energy savings of 30–50% are commonly achieved by reducing motor speed to match actual process demand. In constant torque applications such as conveyors and compressors, savings of 15–25% are typical during partial-load operating periods. Actual savings depend on load profile, duty cycle, and baseline motor efficiency.

Q2: Is the 1336S-BRF10-AA-EN compatible with existing 1336 PLUS II system configurations?
Yes. The 1336S-BRF10-AA-EN is a direct replacement-compatible unit within the 1336 PLUS II drive family. It supports the same communication modules (DeviceNet, DH+, ControlNet adapters), parameter programming interface, and I/O terminal assignments as other drives in the series, minimizing reconfiguration effort during replacement. Always verify firmware revision compatibility with your existing PLC program before installation.

Q3: What is the recommended replacement or upgrade path if the 1336S-BRF10-AA-EN reaches end of service life?
Rockwell Automation’s current recommended migration path from the 1336 PLUS II series is to the PowerFlex 400 or PowerFlex 525 drive family, which offers enhanced energy monitoring, built-in EtherNet/IP communication, and improved harmonic performance. ZYPLC can supply both legacy 1336 PLUS II units for direct replacement and PowerFlex series drives for system modernization projects.

Q4: What does the 12-month warranty cover, and what is the pre-shipment testing process?
The 12-month warranty covers all manufacturing defects, component failures, and functional performance deviations under normal industrial operating conditions. Prior to shipment, each 1336S-BRF10-AA-EN unit undergoes a full functional test including power-on verification, output frequency sweep, fault code response validation, and communication module handshake testing where applicable. Test records are available upon request. Warranty claims are processed directly through ZYPLC’s technical support team.

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