Allen-Bradley 1762-L40BWAR Programmable Logic Controller – MicroLogix 1200 Series
When a production line loses its controller, every second of downtime translates directly into lost revenue, missed delivery commitments, and cascading equipment faults. The Allen-Bradley 1762-L40BWAR is the nerve center of countless mid-scale automation systems worldwide — without it, conveyor lines stop, packaging machines halt, and process loops go open. Its absence is not a minor inconvenience; it is a full production stoppage.
Within the MicroLogix 1200 family, the 1762-L40BWAR occupies the high-density I/O tier, offering 40 onboard I/O points (24 DC inputs + 16 relay outputs) in a compact DIN-rail package. Backed by Rockwell Automation’s global installed base of over 70 million controllers, this unit is a proven workhorse deployed across automotive assembly, food & beverage processing, water treatment, and material handling applications on every continent.
Technical Specifications
- Part Number: 1762-L40BWAR
- Series: MicroLogix 1200
- Manufacturer: Allen-Bradley / Rockwell Automation
- Total I/O Points: 40 (24 inputs + 16 outputs)
- Input Type: 24V DC Sink/Source
- Output Type: Relay (Form A)
- Power Supply: 120/240V AC
- Communication Port: RS-232 (Channel 0), RS-232/485 (Channel 1)
- Program Memory: 8K words user memory
- Data Memory: 8K words
- Real-Time Clock: Yes (built-in)
- Expansion I/O: Up to 6 expansion modules (1762 series)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Enclosure Rating: IP20 / NEMA Type 1
- Certifications: UL, CE, CSA
Key Features & Benefits
- High-Density Onboard I/O: 40 I/O points eliminate the need for additional expansion modules in most small-to-mid-scale applications, reducing panel space and wiring cost.
- Relay Outputs for Versatile Load Control: Relay outputs handle AC and DC loads up to 2A per point, making them ideal for motor starters, solenoids, and indicator lamps without external relays.
- Dual Serial Ports: Channel 0 (RS-232) supports programming and HMI connectivity; Channel 1 (RS-232/485) enables Modbus RTU, DH-485, and ASCII communication for multi-device networks.
- Built-In Real-Time Clock: Enables time-stamped data logging, scheduled operations, and shift-based control logic without additional hardware.
- Expandable Architecture: Supports up to 6 MicroLogix 1762-series expansion modules for analog I/O, specialty I/O, and communication options as application requirements grow.
- RSLogix 500 / Studio 5000 Compatible: Programs using the industry-standard RSLogix 500 software, ensuring seamless integration with existing Allen-Bradley programming environments.
- Compact DIN-Rail Mounting: Space-efficient form factor fits standard 35mm DIN rail, simplifying panel layout and replacement.
Industry & Equipment Applications
- Automotive Manufacturing: Assembly line sequencing, conveyor control, and end-of-line testing fixtures.
- Food & Beverage Processing: Batch mixing, filling machine control, and CIP (Clean-In-Place) cycle management.
- Water & Wastewater Treatment: Pump station control, level monitoring, and chemical dosing systems.
- Material Handling: Palletizer control, sortation systems, and automated storage/retrieval (AS/RS) interfaces.
- HVAC & Building Automation: Air handling unit sequencing, chiller plant control, and energy management.
- OEM Machine Builders: Packaging machinery, labeling systems, and general-purpose machine control.
System Integration & Compatible Parts
The 1762-L40BWAR integrates seamlessly within the Allen-Bradley MicroLogix 1200 ecosystem. Compatible expansion and accessory modules include:
- 1762-IQ8: 8-point 24V DC digital input expansion module
- 1762-OW8: 8-point relay output expansion module
- 1762-IF4: 4-channel analog input module (0–10V / 4–20mA)
- 1762-OF4: 4-channel analog output module
- 1761-NET-ENI: Ethernet interface for EtherNet/IP network connectivity
- 1761-CBL-PM02: RS-232 programming cable for PC connection
- 2711-K3A5L1: PanelView 300 Micro HMI for operator interface
Our Quality Assurance Process
Every 1762-L40BWAR unit sourced and supplied by Konmask.com undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Visual inspection of firmware labels, catalog number markings, and date codes against Rockwell Automation factory standards.
- Functional Power-On Test: Unit is powered and communication ports are verified to confirm operational status.
- Packaging Integrity Check: Anti-static packaging, moisture barrier bags, and shock-absorbing materials are inspected and replaced as needed.
- Documentation: Certificate of conformance and test report available upon request for critical applications.
How to Order
- Submit an inquiry via the Contact Us form or email support@konmask.com with your required quantity and delivery timeline.
- Our technical team will confirm availability, lead time, and provide a formal quotation within 24 business hours.
- Upon PO confirmation, we arrange secure packaging and international freight via DHL, FedEx, or UPS per your preference.
- Tracking information and shipping documents (commercial invoice, packing list) are provided upon dispatch.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation Components — PLC modules, DCS parts, drives, and HMI panels from leading global brands.
- ✅ Rigorous Quality Control — Every unit tested and verified before shipment.
- ✅ Global Export Experience — Serving customers in 50+ countries with compliant export documentation.
- ✅ Technical Support — Our engineers can assist with compatibility questions, wiring diagrams, and application guidance.
- ✅ Fast Response — Quotations within 24 hours; urgent orders accommodated.
- ✅ Competitive Pricing — Direct sourcing relationships enable cost-effective pricing for both single units and bulk orders.
Frequently Asked Questions
Q: What is the difference between 1762-L40BWAR and 1762-L40BWA?
A: The suffix “R” denotes a revised hardware version with updated firmware and minor component improvements. Both are functionally compatible and use the same RSLogix 500 programming software, but the “R” revision is the current production version.
Q: Can the 1762-L40BWAR communicate via Ethernet/IP?
A: The base unit does not include an Ethernet port. EtherNet/IP connectivity can be added using the 1761-NET-ENI Ethernet interface module connected to Channel 0.
Q: Is the 1762-L40BWAR compatible with RSLogix 500 and Studio 5000?
A: Yes. The MicroLogix 1200 series is programmed exclusively with RSLogix 500 (or RSLogix Micro). Studio 5000 is used for ControlLogix/CompactLogix families and is not applicable to this unit.
Q: What is the maximum number of expansion modules supported?
A: The 1762-L40BWAR supports up to 6 expansion modules from the 1762 series, allowing the total I/O count to be extended significantly beyond the 40 onboard points.
Q: Do you provide a warranty on this product?
A: Yes. Konmask.com provides a standard 90-day warranty covering defects in materials and workmanship. Extended warranty options are available upon request.
Q: Can you supply multiple units for a large project?
A: Yes. We regularly fulfill bulk orders for system integrators, OEMs, and MRO procurement teams. Please contact us with your project requirements for volume pricing.
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