Description
Allen‑Bradley 1336-BDB-SP46D Base Driver Board – Restore Gate Drive Control on 1336 PLUS/PLUS II AC Drives
The Allen‑Bradley 1336-BDB-SP46D is a factory spare “Base Driver Board” designed for the 1336 family of legacy adjustable frequency drives. From my experience, this board handles the insulated gate drive signals and protection feedback that keep the IGBT power stage switching cleanly and safely. If your 1336 PLUS/PLUS II drive is throwing gate fault or inverter section alarms, this is typically one of the first assemblies maintenance teams check. It’s a practical, board-level replacement that helps you keep installed assets running without a full drive swap.
Order Placement Process and Guarantees
- Warranty: 365 days from delivery.
- Lead time: In-stock items ship in about 1 week; no more than one month at the latest.
- Payment: 50% advance payment; full payment prior to delivery.
- Express couriers: FedEx, UPS, DHL.
- Handling: ESD-safe packing; board is inspected and function-checked prior to dispatch.
Key Features
- Purpose-built gate drive interface – Distributes isolated gate trigger signals to the IGBT modules and returns protection feedback to the control section.
- Designed for 1336 platform – Fits selected 1336 PLUS/PLUS II frames; typically a like-for-like swap for failed BDB assemblies.
- Protection signal paths – Supports overcurrent, desaturation, and temperature feedback channels so trips occur fast and reliably.
- Factory pinout and connectors – Uses the original ribbon/fiber/board-to-board connections used in the drive chassis, minimizing retrofit work.
- Revision D (SP46D) – Later revision that, in many cases, offers improved robustness versus earlier spins when matched correctly to the drive rating.
- Service-friendly – Field replaceable with standard tools; no firmware loading or parameter migration on the BDB itself.
Technical Specifications
| Brand / Model | Allen‑Bradley 1336-BDB-SP46D (Base Driver Board, Rev D) |
| Compatible Series | 1336 PLUS / 1336 PLUS II AC Drives (specific frames/ratings; verify against drive catalog number) |
| Function | IGBT gate drive distribution and protection feedback interface within inverter section |
| HS Code | 8504.90 (Parts of static converters/inverters) |
| Power Requirements | Supplied by host drive’s low‑voltage rails (typically ±15 V and 5 V from the control supply) |
| Operating Temperature | Matches host drive ambient; typically 0 to +50 °C when installed per drive manual |
| Signal I/O Types | Isolated gate trigger outputs to IGBT modules; fault/temperature/desaturation feedback to control board; board-to-board connectors |
| Communication Interfaces | Internal interconnect only; no external fieldbus or user comms on this board |
| Installation Method | Field-replaceable PCB inside drive; mounts on standoffs/screws; connect ribbon/fiber/plug headers; ESD-safe handling required |
Application Fields
Plants still running 1336 PLUS/PLUS II drives use this board to recover uptime on older assets—conveyors, pumps, fans, mixers, winders, and compressors. You might notice that intermittent inverter faults during acceleration or under high thermal load often trace back to a weakening gate drive stage; swapping the BDB has, in many cases, cleared those issues without touching the power module. Typical environments include food & beverage packaging lines, metals processing, water/wastewater, material handling, and general manufacturing MRO.
Advantages & Value
- Cost control – Replacing a failed BDB is usually far less than a full drive replacement and avoids re-engineering the cabinet.
- Compatibility – Like-for-like form factor and connectors for the 1336 platform; no parameter re-download on the board itself.
- Uptime – Faster turnaround for maintenance crews; reduces downtime on legacy machines where mechanics and wiring are proven.
- Risk reduction – Keeps your installed base stable while you plan phased modernization to newer platforms.
- Technical support – We can help verify frame/horsepower matching and revision compatibility before you order.
Installation & Maintenance
- Safety first – Isolate mains, wait for DC bus to discharge fully, and confirm with a meter. Use ESD strap and insulated tools.
- Cabinet/environment – Follow the original 1336 cabinet clearances; ensure adequate ventilation and keep dust/metallic debris away from the inverter section.
- Mechanical fit – Mount on OEM standoffs; tighten hardware to the drive manual torque values to avoid stressing the PCB.
- Connections – Reseat ribbon/fiber/board headers carefully; align keyed connectors; avoid bending gate-lead tails.
- Post-replacement checks – Visually inspect for pinched cables; power up with no load first; monitor for gate/inverter faults and thermal behavior.
- Routine care – Periodically clean with dry air (low pressure), verify fan operation, and check for hot spots. Firmware updates aren’t applicable to the BDB, but keeping the drive’s control board firmware aligned is good practice when available.
Quality & Certifications
- Certifications – Intended for use within CE/UL listed 1336 drive systems; RoHS compliance may vary by vintage (legacy product category).
- Manufacturing quality – Built to Rockwell Automation production standards; typically covered under ISO 9001 processes.
- Warranty – 12-month warranty; defective units are repaired or replaced according to standard RMA procedure.
From a practical standpoint, the 1336-BDB-SP46D is a straightforward way to return a tripping 1336 inverter to service. One thing I appreciate is how little rework it requires—if the frame and revision match, it’s typically a clean swap. If you share your full drive catalog number and frame size, we’ll confirm compatibility before you commit.
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