Product Details
Technical Overview
The 1762-L40BXB (Part Number 1762-L40BXB) is a high-density, small-scale programmable logic controller designed for industrial automation systems requiring a balance of compact design and high I/O counts. Operating on a 24V DC power supply, this MicroLogix 1200 unit features 40 embedded I/O points, including specialized high-speed inputs and FET outputs tailored for motion control and precise event-timing applications.
Designed for both stand-alone and networked operation, the 1762-L40BXB (1762-L40BXB) supports sophisticated instruction sets via RSLogix 500 software. Its integrated RS-232C port allows for flexible serial communication with HMIs, programming terminals, and other controllers via Modbus RTU or DF1 protocols. Although the series reached its end-of-life status in late 2021, it remains a cornerstone for maintaining and expanding legacy industrial machinery and distributed control nodes.
Technical Specifications
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Input Voltage 24V DC (SELV Class 2)
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Total Digital Inputs 24 (20 Standard 24V DC and 4 Fast 24V DC)
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High-Speed Inputs 4 Channels (Up to 20 kHz support)
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Total Digital Outputs 16 Points
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Output Configuration 8 Relay Contacts and 8 24V DC FET (Source)
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Relay Load Rating 24–125V DC; 120–240V AC
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FET High-Speed Output 1 Channel (Supports pulse train output)
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Program Memory 6 KB User Memory (4KB Program / 2KB Data)
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Communication Interface Isolated RS-232C (8-pin Mini-DIN)
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Supported Protocols Modbus RTU, DF1, DH-485, ASCII
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Expansion Capability Supports up to six 1762 expansion modules
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Operating Temperature 0 to 55 °C (32 to 131 °F)
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Dimensions 90 mm Height x 160 mm Width x 87 mm Depth
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Weight 1.44 lbs (0.65 kg)
Key Functional Advantages
The 1762-L40BXB (1762-L40BXB) is engineered for reliability in demanding machine-level environments
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Dual output technology allows for switching high-current AC/DC loads via relays while simultaneously providing high-frequency pulses via FETs.
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Embedded 20 kHz high-speed counter provides accurate tracking for encoders and high-speed motion sensors.
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Robust 24V DC architecture is ideal for battery-backed systems and vehicles where AC power is unavailable.
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DIN-rail or panel-mounting versatility facilitates integration into tight control cabinet footprints.
Technical FAQ
Which programming software is required for this controller?The 1762-L40BXB (Part Number 1762-L40BXB) is programmed using RSLogix 500. It is also compatible with Connected Components Workbench (CCW) for basic configuration and monitoring.
Can I use this module to control a stepper motor?Yes, the integrated high-speed FET output is capable of generating Pulse Train Outputs (PTO) for simple open-loop motion control of stepper or servo drives.
What is the maximum I/O count after expansion?While the base unit has 40 points, adding six maximum 1762 expansion modules can significantly increase the total point count and add analog or temperature sensing capabilities.
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
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
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.