Product Summary
The 1762-L40BWAR MicroLogix 1200 controller integrates twenty-four 24VDC inputs and sixteen relay outputs. This unit delivers a powerful, compact solution for small-scale automation tasks. Engineers value its dual-port communication and robust power supply design.
Product Procurement & Buyer Guide
Understanding Your Core Requirements
The 1762-L40BWAR offers a specific I/O mix for micro automation. This controller provides twenty standard and four fast 24VDC inputs. You also get sixteen relay outputs for high-current switching. This combination suits packaging or material handling.
System Integration Advantages
The controller uses an 8-pin mini-DIN port for primary communication. This port supports DF1, DH-485, ASCII, and MODBUS protocols. A second programming port allows simultaneous online edits. You will not need to disconnect active HMI or SCADA links.
Power Supply and Electrical Environment

The unit requires an external AC supply from 120 to 240 Volts. It dissipates just 22 Watts of heat. The power supply output delivers 600 mA at 5VDC and 500 mA at 24VDC. The internal sensor power source provides up to 400 mA. Do not use this sensor power for output circuits.
Input and Output Configuration Details
The twenty standard inputs are sink or source type. Four fast inputs use channels 0-3 for high-speed counting. The sixteen relay outputs handle loads up to 10A. Relay contacts are rated for 24-125VDC and 120-240VAC. This provides great flexibility for mixed-voltage panels.
Agency Certifications for Global Use
This module holds UL 508 and C-UL certifications. It meets Class I, Division 2, Groups A-D standards. The unit also carries CE, RCM, and EAC marks. The COM of the sensor supply connects internally to chassis ground. Always follow local electrical codes for safe installation.
Expert Technical Evaluation & Performance Review

Input Circuit Design and Speed
The standard inputs accept 24VDC signals from sensors. The four fast inputs capture high-speed events. This design supports accurate counting or pulse catching. The input circuit type is sink or source DC power. This provides compatibility with most industrial sensor types.
Relay Output Reliability and Lifecycle
Each relay output has a mechanical life of 20,000,000 cycles. This ensures long-term operation without frequent replacement. The relay type circuit handles inductive and resistive loads. Engineers select this model for its proven, durable switching capability.
Thermal Management and Environmental Limits
The controller operates from 0 to 55 degrees Celsius. Storage range extends from -40 to 85 degrees Celsius. The unit dissipates 22 Watts maximum heat. It handles inrush current of 25A for 8 ms at 120VAC. This thermal performance ensures stable control in warm cabinets.
Communication Protocol Flexibility

The embedded 8-pin mini-DIN port supports DF1 and DH-485. It also supports ASCII and MODBUS protocols. The programming port mirrors the same physical connector. Both ports function simultaneously for multi-access. This flexibility simplifies integration with existing plant networks.
Physical Robustness and Mounting Options
The unit measures 90 mm high by 160 mm wide. Depth is 87 mm with a shipping weight of 2.4 pounds. It mounts on a DIN rail with an open latch height. This compact size saves valuable panel space.


