The Allen-Bradley 1766-L32BWA offers a compact yet powerful solution for small-process automation. This controller integrates three communication ports and 32 I/O points. It supports fast 24V DC inputs, relay outputs, and multiple protocols. Designers value its built-in LCD and online editing capabilities.
Core Performance Metrics
The 1766-L32BWA provides 20 KB of user program and data memory. This capacity suits mid-complexity machine control tasks. The controller processes discrete signals with a 12-bit resolution. Its power supply accepts 100–240 VAC and consumes up to 120 VA. An embedded real-time clock supports time-based logic.
Communication Versatility
This MicroLogix 1400 unit includes one isolated RS-232/485 combo port. It also features a non-isolated RS-232 port and one Ethernet/IP port. Supported serial protocols include DF1, Modbus RTU, DNP3, ASCII, and DH485. Engineers can daisy-chain up to 32 Modbus RTU devices via RS-485. The Ethernet port enables DNP3, Modbus TCP/IP, and web server functions.
I/O Configuration and Expansion
The controller has 32 built-in I/O points: 12 fast 24V DC inputs, 8 standard 24V DC inputs, and 12 relay outputs. High-speed inputs operate at up to 100 kHz. Users can add up to seven 1762 expansion I/O modules. This flexibility allows scaling for varying application needs.
Environmental Tolerance and Reliability
The 1766-L32BWA operates in temperatures from 0 to 55°C. Its open enclosure suits clean, dry industrial environments. Panel or DIN-rail mounting simplifies installation. The battery-backed RAM retains programs during power loss.
Logistics & Standard Packaging Details
- One Allen-Bradley 1766-L32BWA controller unit
- Product documentation and quick-start guide
- No expansion modules or cables included
- Express delivery via FedEx, UPS, or DHL
