
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 1762‑L40AWA/A (Series A) |
| Manufacturer | Allen‑Bradley (Rockwell Automation) |
| Series | MicroLogix 1200 |
| Controller Type | Compact PLC |
| Power Supply | 120/240 V AC (85–265 V AC wide range) |
| I/O Configuration | 40 Points Total • 24 Digital Inputs: 120 V AC • 16 Digital Outputs: Relay (Form A contact) |
| Relay Contact Rating | 2 A @ 250 V AC / 30 V DC (resistive) |
| User Memory | 8 KB (approx. 3K instructions) |
| Communication Port | 1 × RS‑232 (8‑pin Mini‑DIN) Protocols: DF1, DH‑485, ASCII |
| Expansion Capability | Supports up to 2 × 1762 series I/O expansion modules |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) |
| Dimensions (H × W × D) | Approx. 90 × 160 × 87 mm (3.5 × 6.3 × 3.4 in) |
| Weight | Approx. 1.1 kg (2.4 lb) |
Main Features and Advantages
High‑Density, Self‑Contained Design: With 40 I/O points onboard, this controller significantly reduces the hardware footprint and cost for applications that would otherwise require a separate CPU and I/O modules. The integrated design simplifies cabinet layout and wiring.Flexible Relay Outputs: The 16 relay outputs are agnostic to voltage type (AC or DC) within their rating, providing maximum flexibility for driving contactors, solenoid valves, indicator lamps, and small motor starters without the need for interposing relays.Robust AC Power & Inputs: The wide‑range AC power supply (85–265 V AC) allows for direct connection to standard industrial power without an external transformer. The 24 built‑in 120 V AC inputs enable direct interfacing with AC proximity sensors and pushbuttons common in North American industrial environments.Legacy Communication Support: The built‑in serial port supports multiple protocols (DF1 for programming, DH‑485 for network connectivity, and ASCII for custom device interfacing), making it compatible with a wide range of older HMIs, drives, and SCADA systems.
Application Field
The 1762‑L40AWA/A is typically deployed in standalone machine control and small‑scale automation tasks where its 40‑point capacity is sufficient. Common applications include:
- Material Handling: Control of small conveyor systems, sorting lines, and palletizers.
- Packaging Machinery: Logic control for fillers, labelers, and case packers.
- Building Automation: HVAC control panels, pump control, and lighting management.
- OEM Equipment: Cost‑sensitive machinery where the relay outputs directly drive actuators.
Related Products
1762‑L24BWA – MicroLogix 1200 with 24 I/O (16 DC In / 8 Relay Out); a lower‑density alternative for smaller machines.1762‑IF4 – 4‑channel analog input expansion module; adds temperature or pressure sensing capability to the system.1762‑OW16 – 16‑point relay output expansion module; used to further increase output capacity if needed.MicroLogix 1400 Series (e.g., 1766‑L32BXBA) – The recommended modern successor for new projects, offering Ethernet connectivity, more memory, and continued product support.








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