Allen-Bradley 1336F-BRF20-AA-EN Replacement for 1336 Plus II

Product Overview

Allen-Bradley 1336F-BRF20-AA-EN Replacement for 1336 Plus II: Seamless Transition & Legacy System Upgrade

The Allen-Bradley 1336F-BRF20-AA-EN is a 2 HP, 200–240 V AC variable frequency drive from the 1336 Plus II series, engineered for demanding industrial motion control applications. As the 1336 Plus II platform approaches end-of-life and spare parts become increasingly scarce, plant engineers and maintenance teams are actively seeking verified replacement and upgrade paths that preserve existing wiring infrastructure, control logic, and cabinet real estate. TOPNLMS maintains ready stock of the 1336F-BRF20-AA-EN to support emergency replacements, planned retrofits, and multi-unit upgrade projects with minimal lead time.

Whether you are replacing a failed unit on a packaging line, upgrading a legacy conveyor system, or consolidating spare-part inventory across multiple facilities, the 1336F-BRF20-AA-EN delivers a direct form-factor match to earlier 1336 Plus and 1336 Plus II drives. The drive retains the same DIN-rail and panel-mount footprint, identical terminal block layout, and compatible 3-phase input/output wiring, allowing field technicians to swap the unit without rewiring the motor leads or modifying the control cabinet enclosure.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful 1336 Plus II migration rarely involves a single component. In practice, field engineers replacing the 1336F-BRF20-AA-EN also evaluate the surrounding system architecture to ensure the upgraded drive integrates cleanly with the existing control platform. The SCANport communication interface on the 1336F-BRF20-AA-EN is fully compatible with the 1203-GU6 Universal Gateway module, which bridges legacy SCANport peripherals to modern EtherNet/IP networks — a common requirement when the host PLC has already been upgraded to a ControlLogix or CompactLogix controller.

For installations where the drive is networked via DeviceNet, the 1336F-BRF20-AA-EN works directly with existing 1203-GD1 DeviceNet communication adapters without firmware changes. Sites running older PLC-5 or SLC 500 controllers over Data Highway Plus (DH+) can retain their existing 1785-KA5 or 1747-KE communication modules, as the drive’s DH+ port remains fully backward compatible.

On the power distribution side, the 1336F-BRF20-AA-EN is typically paired with a 1321-3R2-B line reactor to reduce harmonic distortion and protect the drive input from voltage transients — particularly important in facilities with multiple VFDs sharing the same bus. The 1336-MOD-L2 operator interface module can be reused from the outgoing unit, preserving operator familiarity and eliminating the need to reprogram display parameters. Where the control cabinet also houses a 1336-BDB-SP2 dynamic braking module, the existing braking resistor wiring and chopper circuit remain compatible with the replacement drive.

For I/O expansion, the 1336F-BRF20-AA-EN supports the standard 1336-GM1 I/O option board, enabling analog speed reference inputs and digital control signals from existing PLC output cards without signal conditioning. Sites that have already migrated their PLC rack to a 1756 ControlLogix chassis can use the 1756-DHRIO module to maintain DH+ connectivity to the drive during a phased migration, avoiding a full cutover of the communication network in a single maintenance window.

When the retrofit also involves replacing the HMI, the PanelView 800 or PanelView Plus 7 terminals communicate natively with the 1336 Plus II drive over DeviceNet or EtherNet/IP via the gateway adapter, preserving existing screen layouts and alarm configurations with minimal re-engineering effort.

Retrofit Guidance FAQ

Q: Can I reuse the existing motor wiring when replacing the drive?
A: Yes. The 1336F-BRF20-AA-EN uses the same U, V, W output terminal layout as earlier 1336 Plus II units. Motor lead connections, cable glands, and conduit entries do not require modification for a direct replacement.

Q: Will my existing PLC program require changes after the swap?
A: No program changes are required if the replacement drive is the same catalog number. Parameter settings stored in the 1336-MOD-L2 operator module or uploaded via DriveExplorer software can be downloaded directly to the new unit, restoring all speed references, acceleration ramps, and fault configurations.

Q: Is the DeviceNet node address retained after replacement?
A: The DeviceNet node address and baud rate are stored in the 1203-GD1 adapter, not in the drive itself. Replacing the drive does not affect the network node configuration, and the adapter can be transferred to the new unit without reconfiguration.

Q: Does the replacement drive fit in the same cabinet space?
A: The 1336F-BRF20-AA-EN shares the identical physical envelope as the outgoing 1336 Plus II 2 HP frame. No cabinet modifications, additional mounting hardware, or ventilation changes are required.

Q: What communication protocols are supported for system integration?
A: The drive supports SCANport natively, with optional adapters enabling DeviceNet, DH+, Remote I/O, and EtherNet/IP connectivity. This covers the full range of protocols used in legacy and modern Rockwell Automation control architectures.

Q: How do I verify compatibility before ordering?
A: Provide your existing drive catalog number, nameplate voltage, HP rating, and communication adapter model to our technical team at [email protected]. We will confirm compatibility and advise on any adapter or parameter considerations before shipment.

Warranty Assurance

Every 1336F-BRF20-AA-EN unit shipped by TOPNLMS is covered by a 12-month warranty from the date of delivery. Prior to dispatch, each drive undergoes a pre-shipment functional inspection covering power-on self-test, output voltage balance, control terminal continuity, and communication port verification. Units that do not pass inspection are quarantined and not shipped.

In the event of a warranty claim, TOPNLMS provides a replacement unit or full refund within the warranty period. Our after-sales response target is one business day for initial diagnosis and three business days for replacement dispatch. Customers are not required to return the defective unit before a replacement is shipped for confirmed warranty cases, minimizing production downtime during the claims process.

For procurement teams managing multi-site upgrade programs, TOPNLMS offers batch inspection reports, serialized shipping documentation, and consolidated invoicing. Stock availability is confirmed at the time of order, and lead times for in-stock units are typically 3–7 business days to major industrial hubs in Asia, Europe, and North America.

Contact our technical sales team to request a compatibility assessment, obtain a formal quotation, or confirm current stock levels before placing your order.