Product Summary
The Allen-Bradley 1762-L40AWAR is a powerful MicroLogix 1200 Programmable Logic Controller. This unit manages up to 40 I/O points for diverse automation tasks. It operates on a universal AC power supply for global use.
Expert Technical Evaluation & Performance Review
Core Processor and I/O Architecture
The 1762-L40AWAR controller integrates both input and output channels directly on the base unit. This design removes the need for a separate chassis in many applications. It provides Twenty-Four (24) discrete inputs that accept 120V AC signals. These inputs support both sink and source wiring configurations for flexibility. The module also features Sixteen (16) relay-type outputs for switching diverse loads. Each relay output can handle up to 10A of load current. This makes the unit suitable for controlling motors and valves directly.
Communication and Protocol Versatility
This controller includes a dedicated 8-pin mini-DIN serial port for programming. It also supports a second port for network communication with other devices. The module supports DF1, DH-485, ASCII, and MODBUS protocols natively. Engineers can integrate Modbus devices like power meters without extra hardware. The ASCII protocol allows direct connection to barcode scanners for tracking. These features reduce system complexity and lower overall integration costs.
Environmental Tolerances and Power Specifications
The unit operates reliably within an ambient temperature range of 0 to 55 degrees Celsius. It requires an input power supply of 120 to 240 Volts AC for operation. The controller consumes a maximum of 82 VA under full load. Its power supply has a specific inrush current for proper breaker sizing. At 120V AC, the inrush current is 25A for 8 ms. At 240V AC, the inrush current is 40A for 4 ms. This information is vital for designing a stable power distribution system.
Mechanical and Physical Characteristics
This compact PLC measures just 160 mm in width and 87 mm in depth. Its height is 90 mm or 104 mm with the DIN latch open. The device weighs only 2.4 pounds for easy handling during installation. The relay outputs have a mechanical life of 20,000,000 cycles. This ensures long-term reliability for high-frequency switching applications. The unit can control loads up to 1440 VA.
Product Procurement & Buyer Guide
Application Suitability for Engineers
This specific model is ideal for small to medium-sized automation systems. Its 40 I/O count fits perfectly for machine control or packaging lines. The relay outputs simplify wiring for high-voltage AC or DC loads. Engineers appreciate the built-in Modbus support for connecting to variable frequency drives. This eliminates the need for costly external communication modules or gateways.
Critical Input Voltage Specifications
Buyers must check the input voltage requirements before purchasing this model. The inputs numbered 0 through 3 switch ON between 14 and 24 Volts DC. Inputs numbered 4 and higher switch ON between 10 and 24 Volts DC. The OFF-state voltage for all inputs ranges from 0 to 5 Volts DC. The unit also produces a minimum OFF-state leakage current of 1.5 mA. Understanding these values prevents false triggering and signal errors.
Installation and Mounting Considerations
The 1762-L40AWAR mounts easily onto a standard DIN rail for quick setup. Always install the controller inside a suitable enclosure for protection. Enclosures must match the environmental conditions of the installation area. Maintain ambient temperatures within the specified 0 to 55°C range for operation. Use a climate control device if your environment exceeds this temperature window. This practice extends the lifespan of the internal electronics and relays.
Logistics & Standard Packaging Details
- One Allen-Bradley 1762-L40AWAR MicroLogix 1200 PLC unit
- Product documentation and quick start guide
- One 8-pin mini-DIN programming port connector plug
- Terminal block plugs for input and output wiring
Express delivery shipping is available for this product via FedEx, UPS, and DHL. We ship from stock to ensure rapid delivery to your facility.
