Description
Product Name : 1387-B-DOA145-D42-A3-B Allen Braley I/O module
Product details:
The Allen-Bradley 1387-B-DOA145-D42-A3-B is a high-performance AC Drive (Frequency Converter) part of the Bulletin 1387 series, primarily designed for precision motor control in industrial automation. These drives are often used in specialized applications requiring high torque and reliable velocity control.
Below is the detailed breakdown of this specific unit:
Product Overview
The 1387 series is known for its high-performance vector control capabilities. This specific model is a medium-to-large capacity drive configured for demanding industrial environments. It integrates advanced power electronics with sophisticated microprocessor control to ensure smooth motor operation across a wide speed range.
Technical Specifications (Product Parameters)
While specific internal configurations can vary based on the firmware revision, the standard parameters for the 1387-B-DOA145 series include:
| Parameter | Specification |
| Input Voltage | 460V AC (Standard 3-Phase) |
| Current Rating | 145 Amperes (Continuous) |
| Horsepower (HP) | Approximately 100 – 125 HP (depending on load type) |
| Enclosure Type | Open Style (Chassis Mount) / IP00 |
| Control Method | Field Oriented Vector Control |
| Dynamic Braking | Supported (Internal or External depending on module) |
| Interface | Digital Operator Interface / Communication Port |
| Cooling | Forced Air (Internal Fans) |
Product Advantages
- Precision Control: Offers exceptional torque control at low speeds, which is critical for lifting or heavy-start applications.
- Rugged Design: Built to withstand the harsh electrical environments found in heavy manufacturing and processing plants.
- Modular Architecture: Designed for easier maintenance; components like the control boards and power modules are accessible.
- Energy Efficiency: Optimizes power consumption by adjusting motor speed precisely to the load requirements.
- Safety Integration: Includes comprehensive diagnostic tools and fault-monitoring systems to protect both the motor and the drive hardware.
Key Applications
The 1387-B-DOA145 is typically found in industries requiring high-power movement and accuracy:
- Material Handling: Large conveyor systems, cranes, and hoists where smooth acceleration and deceleration are mandatory.
- Metals & Mining: Used in rolling mills, crushers, and centrifugal pumps.
- Oil & Gas: Controlling large pumps and compressors.
- Paper & Pulp: Managing the tension and speed of rollers in paper production lines.
- Automotive Manufacturing: Powering large assembly line machinery.
Installation & Usage Precautions
Note: Installation should only be performed by qualified personnel familiar with high-voltage AC drives and the National Electrical Code (NEC) or local equivalents.
- Heat Dissipation: Ensure the drive is installed in a well-ventilated area. Because this is a 145A unit, it generates significant heat during peak operation.
- Grounding: Proper grounding is essential to prevent Electro-Magnetic Interference (EMI) and to ensure personnel safety.
- Wiring: Use shielded cables for control signals to prevent noise interference from the high-power output lines.
- Capacitor Discharge: After powering down, wait at least 5–10 minutes for the internal bus capacitors to discharge before touching any terminals.
- Firmware Compatibility: Ensure that the “D42-A3-B” suffix options (which usually denote specific firmware, communication cards, or hardware revisions) match your existing system architecture.
Maintenance Tips
- Visual Inspection: Regularly check for dust accumulation on the heat sinks.
- Fan Check: Ensure the cooling fans are spinning freely; fan failure is a leading cause of over-temperature trips.
- Terminal Tightness: Periodic vibration can loosen screw terminals; ensure all power connections remain torqued to specification.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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