Product Overview
The Allen-Bradley 1762-L40AWAR is a MicroLogix 1200 Programmable Logic Controller (PLC) from Rockwell Automation. It integrates 24 discrete inputs and 16 relay outputs, reducing the need for separate I/O modules and lowering system cost. This controller supports multiple communication protocols, enabling direct integration with existing equipment without expensive gateways.
Technical Specifications Breakdown
Key parameters for the 1762-L40AWAR are listed below for quick reference:
| Feature | Specification |
|---|---|
| Power Supply | 120 to 240 Volts AC |
| Number of Inputs | Twenty-Four (24) |
| Number of Outputs | Sixteen (16) |
| Input Circuit Type | 120 Volts AC |
| Output Circuit Type | Relay |
| Relay Contact Rating | 24-125VDC; 120-240VAC |
| Mechanical Cycles | 20,000,000 |
| Load Current | 10A, minimum |
| Communication Ports | One (1) 8-Pin mini-DIN serial port; One (1) Programming Port |
| Supported Protocols | DF1, DH-485, ASCII, MODBUS |
| Dimensions (H x W x D) | 90 mm x 160 mm x 87 mm |
| Shipping Weight | 2.4 pounds |
| Ambient Operating Temp | 0 to 55 degrees Celsius |
| Power Supply Usage | 82 VA |
Industry Applications
Cost-Effective Machine Control: With 24 inputs and 16 relay outputs, this controller handles medium-sized machines like packaging equipment or conveyor systems. The relay outputs switch up to 10A, directly driving contactors or small motors without interposing relays, saving component costs.
Building Automation Integration: The MODBUS protocol enables direct connection to power meters, smart relays, and HVAC controllers. This eliminates the need for protocol converters, reducing installation complexity and hardware expenses.
Production Line Data Collection: ASCII protocol support allows interfacing with barcode scanners.
Installation & Setup Guidance
Mount the controller in an enclosure rated for the environment. Use the 8-pin mini-DIN serial port with an Allen-Bradley 1761-CBL-PM02 cable for programming. Configure the communication port for DF1 or MODBUS as needed. Wire inputs as sink or source per the 24VDC signal voltage. Relay outputs are volt-free contacts; ensure load current does not exceed 10A minimum rating. The power supply input accepts 120-240V AC; verify supply voltage matches the label.
Maintenance & Reliability
The relay outputs are rated for 20,000,000 mechanical cycles, providing long service life. Operate the controller within 0 to 55°C ambient temperature. Periodically inspect the enclosure for dust and moisture. Use climate control devices if the environment exceeds the temperature range. No internal adjustments are required; replace the unit if faults persist.
Compatibility & Integration
The 1762-L40AWAR supports DF1, DH-485, ASCII, and MODBUS protocols via the RS232 serial port. This allows direct integration with Allen-Bradley HMIs, SCADA systems, and third-party MODBUS devices. The programming port is dedicated for configuration and program downloads, simplifying setup.
Selection Guide & Purchasing Advice
When selecting the 1762-L40AWAR, verify that your application requires 24 inputs and 16 relay outputs. Contact AutoDCSTech for current availability and lifecycle status before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 1762-L40AWAR |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
