1762-L40AWA Programmable Controller Allen-Bradley

Allen-Bradley 1762-L40AWA 40 I/O AC Input Relay Output Controller

Core Technical Specifications

• Manufacturer & Brand:Allen-Bradley
• Model Number: 1762-L40AWA (MicroLogix 1200 Series)
• Input Power Supply: 100-240 Volts AC, 47-63 Hz
• Digital Inputs: 24 channels, 120 Volts AC rating.
• Digital Outputs: 16 channels, relay contact type.
• Relay Contact Rating: 24-125VDC / 120-240VAC.
• On-State Input Voltage: 14-24V DC for inputs 0-3; 10-24V DC for inputs 4+.
• Communication Port: One 8-pin mini-DIN serial port.
• Supported Protocols: DF1, DH-485, ASCII, and MODBUS (Master/Slave).
• Maximum Load Capacity: Up to 1440 VA total.
• Current per Group Common: 8 Amps maximum (critical rating).
• Ambient Operating Temperature: 0 to 55°C (32 to 131°F).

Key Features & Capabilities

• The 1762-L40AWA provides a high I/O count with 24 AC inputs and 16 relay outputs in one integrated unit.
• It includes two front-panel trim potentiometers for simulating registers or providing local control adjustments.
• The single communication port serves for programming, HMI/SCADA interfacing, and network connectivity.
• Designed for DIN rail mounting with a latch, it has a compact footprint for space-efficient panel design.
• Never exceed the 8 Amp current limit per output group common to prevent damage to the module or connected equipment.

Installation & Wiring Guidelines

• Ensure the AC power source is within the 100-240VAC, 47-63 Hz range for reliable operation.
• Account for the power supply inrush current: 25A for 8ms at 120VAC or 40A for 4ms at 240VAC.
• Plan your output wiring carefully to ensure the current on any single group common does not surpass 8 Amps.
• Maintain proper clearance around the unit for ventilation and heat dissipation.
• Follow all applicable local and national electrical codes during installation.

Packaging & Shipping Information

• The controller is shipped in its original, protective factory packaging.
• The package contains the Allen-Bradley 1762-L40AWA controller unit and relevant documentation.
• We ship worldwide using express carriers such as DHL, FedEx, and UPS.
• Inventory is typically available, with orders processed and shipped within 5 business days.

Frequently Asked Questions (FAQ)

• Q: Is the 1762-L40AWA a new and genuine Allen-Bradley product?
  A: Absolutely. We supply only new, original Allen-Bradley 1762-L40AWA controllers.
• Q: What type of inputs does this controller have?
  A: It features 24 input channels all rated for 120 Volts AC.
• Q: What is the "current per group common" and why is it important?
  A: It's the max current (8A) shared by a set of outputs. Exceeding it can cause failure, so proper load distribution across groups is essential.
• Q: Can I connect this to an HMI system?
  A: Yes, the communication port supports protocols like DF1 and MODBUS for direct HMI or SCADA system integration.
• Q: What is your shipping and return policy for this item?
  A: We ship in-stock items within 5 days via major couriers and support a 30-day return period for your peace of mind.