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Allen-Bradley 1761-L32BBB
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1761-L32BBB MicroLogix 1000 programmable logic controller delivers robust and compact automation for small to medium industrial applications. This versatile unit includes 32 integrated input/output points, making it an excellent option for optimizing control systems where space and budget are key considerations. Engineered for dependable performance and straightforward operation, the 1761-L32BBB seamlessly integrates into diverse industrial environments, offering a trusted solution for tasks ranging from basic machine control to advanced process monitoring. Its efficient 24V DC power, coupled with an integrated RS-232 communication interface and 1K EEPROM, ensures stable functionality and simplified programming, forming a strong foundation for modern industrial automation.Key Features Integrated 32 I/O Points: Provides comprehensive control with 20 digital inputs (24V DC), 10 FET outputs (24V DC), and 2 versatile relay outputs (24–125V DC / 0–240V AC) for flexible load management. Compact and Space-Saving Design: Optimally sized for installations with limited panel area, delivering maximum features within a minimal footprint. Robust 1K EEPROM Memory: Guarantees secure program retention without requiring battery backup, improving system reliability and reducing maintenance needs. Versatile RS-232 Communication: Enables effortless configuration, programming, and data exchange using the industry-standard DF1 protocol. Flexible Mounting Options: Can be conveniently installed on a DIN rail or directly to a panel, providing adaptability for various setups. Wide Operating Temperature Range: Certified for functioning from 0°C to 55°C (32°F to 131°F), ensuring consistent performance in demanding industrial conditions. Technical Specifications Catalog Number: 1761-L32BBB I/O Configuration: 20 digital inputs (24V DC), 10 FET outputs (24V DC), 2 relay outputs (24–125V DC / 0–240V AC) Power Supply: 24V DC (20.4–26.4V DC) Input Voltage Range: 14–30V DC Power Consumption: 7W Memory: 1K EEPROM (approximately 737 instruction words, 437 data words) Communication Port: RS-232 (DF1 protocol) Input Type: Sinking/Sourcing configurable Output Type: Mixed (FET and relay) Output Current: FET outputs: 1.0A per point at 55°C, 1.5A per point at 30°C; Relay outputs: 2.0A per point Isolation Voltage: 1500V AC Shock Resistance: 10G operational, 20G non-operational Vibration Resistance: 5 Hz to 2 kHz, 0.381 mm peak-to-peak Mounting: DIN rail or panel mount Dimensions (H x W x D): 3.15 in x 7.87 in x 1.57 in Operating Temperature: 0°C to 55°C (32°F to 131°F) Certifications: UL, CSA, CE compliant Applications Small Machine Control: Ideal for precise command of individual machinery and equipment, boosting operational efficiency. Conveyor Systems Automation: Provides reliable supervision for sorting, routing, and material handling in various conveyor setups. Packaging Equipment Integration: Optimizes control sequences for packing, sealing, and labeling processes in manufacturing environments. HVAC System Management: Facilitates efficient monitoring and regulation of heating, ventilation, and air conditioning units for building automation. Water Treatment Monitoring: Essential for overseeing and automating critical procedures in small-scale water treatment facilities. Why ChooseUnmatched Reliability: Constructed with Allen-Bradley's renowned manufacturing quality, the 1761-L32BBB ensures long-term, stable performance in challenging industrial environments.Exceptional Value: Delivers essential PLC functionalities at an attractive price point, making advanced automation both accessible and affordable.Effortless Integration: Its standard RS-232 port simplifies connectivity and programming, significantly reducing setup time and complexity.Space-Efficient Solution: The compact physical size is specifically designed for situations where panel space is at a premium, without compromising on functional capabilities.Adaptable I/O for Diverse Loads: Featuring both FET and relay outputs, this PLC can manage a broad range of load types, offering extensive application flexibility.Order NowUpgrade your industrial automation with the Allen-Bradley 1761-L32BBB MicroLogix 1000 PLC. Contact Palm Parts Solution today to confirm availability and acquire this reliable and efficient controller for your operations.FAQWhat types of loads can the 1761-L32BBB manage?The 1761-L32BBB is equipped with both FET and relay outputs, allowing it to manage a diverse array of load types, enhancing its versatility in various industrial settings.Does the 1761-L32BBB require a battery for program retention?No, this PLC features 1K EEPROM memory, which securely retains the program without the need for battery backup, ensuring consistent reliability and reducing maintenance efforts.What communication protocol does the 1761-L32BBB use?The 1761-L32BBB utilizes an RS-232 communication port with the industry-standard DF1 protocol, facilitating easy configuration, programming, and data exchange.
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Allen-Bradley 1761-L32BBB
Overview
This is a genuine Allen-Bradley component from the MicroLogix Controllers (Legacy) family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
- Engineered to integrate inside MicroLogix Controllers (Legacy) installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the MicroLogix Controllers (Legacy) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Catalog Number: 1761-L32BBB
- I/O Configuration: 20 digital inputs (24V DC), 10 FET outputs (24V DC), 2 relay outputs (24–125V DC / 0–240V AC)
- Power Supply: 24V DC (20.4–26.4V DC)
- Input Voltage Range: 14–30V DC
- Power Consumption: 7W
- Memory: 1K EEPROM (approximately 737 instruction words, 437 data words)
- Communication Port: RS-232 (DF1 protocol)
- Input Type: Sinking/Sourcing configurable
- Output Type: Mixed (FET and relay)
- Output Current: FET outputs: 1.0A per point at 55°C, 1.5A per point at 30°C; Relay outputs: 2.0A per point
- Isolation Voltage: 1500V AC
- Shock Resistance: 10G operational, 20G non-operational
- Vibration Resistance: 5 Hz to 2 kHz, 0.381 mm peak-to-peak
- Mounting: DIN rail or panel mount
- Dimensions (H x W x D): 3.15 in x 7.87 in x 1.57 in
- Operating Temperature: 0°C to 55°C (32°F to 131°F)
- Certifications: UL, CSA, CE compliant
Applications
- Small Machine Control: Ideal for precise command of individual machinery and equipment, boosting operational efficiency.
- Conveyor Systems Automation: Provides reliable supervision for sorting, routing, and material handling in various conveyor setups.
- Packaging Equipment Integration: Optimizes control sequences for packing, sealing, and labeling processes in manufacturing environments.
- HVAC System Management: Facilitates efficient monitoring and regulation of heating, ventilation, and air conditioning units for building automation.
- Water Treatment Monitoring: Essential for overseeing and automating critical procedures in small-scale water treatment facilities.
Why Choose the 1761-L32BBB?
Unmatched Reliability: Constructed with Allen-Bradley's renowned manufacturing quality, the 1761-L32BBB ensures long-term, stable performance in challenging industrial environments.
Exceptional Value: Delivers essential PLC functionalities at an attractive price point, making advanced automation both accessible and affordable.
Effortless Integration: Its standard RS-232 port simplifies connectivity and programming, significantly reducing setup time and complexity.
Space-Efficient Solution: The compact physical size is specifically designed for situations where panel space is at a premium, without compromising on functional capabilities.
Adaptable I/O for Diverse Loads: Featuring both FET and relay outputs, this PLC can manage a broad range of load types, offering extensive application flexibility.
Availability & Shipping
- ▸In stock: 1761-L32BBB ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 1761-L32BBB ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.