Product Details
Product Description
The Allen-Bradley 1761-L32BWB MicroLogix 1000 is a compact PLC designed for small-scale automation tasks. It provides 32 I/O points, relay outputs, and digital inputs with EEPROM memory for program storage. Equipped with RS-232 communication and DF1 protocol support, it offers reliable control for basic machine operations.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line MicroLogix 1000
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Product Type Programmable Logic Controller (PLC)
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Part Number 1761-L32BWB
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Weight 1.00 lbs (0.45 kg)
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Inputs 20 digital inputs (sinking/sourcing)
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Input Voltage Range 14–30 VDC
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Outputs 12 relay outputs
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Output Current Range 4–20 mA
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I/O Count 32 points total
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Memory 1K EEPROM (approx. 737 instruction words, 437 data words)
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Communication Port RS-232
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Supported Protocols DF1
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Safety Feature Master Control Relay
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Power Supply 20.4–26.4 VDC
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Input Power Consumption 7 W
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Inrush Current 30 A for 4 ms
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Operating Frequency 47–63 Hz
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Operating Shock 10 G
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Non-Operating Shock 20 G
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Minimum Power Cycles 50,000
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Dimensions (L x W x H) 7.87 x 1.57 x 3.15 inches
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Lifecycle Status Discontinued/Obsolete
Application Scenarios
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Small machine control requiring basic relay outputs
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OEM equipment with limited I/O requirements
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Cost-effective automation for standalone systems
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Legacy installations where MicroLogix 1000 controllers are still in use
FAQ
Q: How many I/O points does the 1761-L32BWB provide? A: It provides 32 points (20 inputs and 12 relay outputs).
Q: What type of communication is supported? A: RS-232 communication using DF1 protocol.
Q: Is this model still in production? A: No, it is discontinued/obsolete but may be available through aftermarket suppliers.
Comparison with Similar Models
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1761-L16BWB: Smaller I/O capacity with fewer inputs and outputs.
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1761-L32BWB: Mid-range option with 32 I/O points.
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1762-L24BWA (MicroLogix 1200): Successor series with expanded features and memory.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.