Overview
The Allen-Bradley 1766-L32BXB is a compact, sealed MicroLogix 1400 programmable logic controller designed for cost-effective automation and machine control. This model features a configuration that includes 24 inputs (20 digital and 4 analog) and 14 outputs (12 digital and 2 analog), delivering flexibility for diverse control applications. Available with EtherNet/IPâ„¢, on-line editing capability, built-in LCD panel, high I/O count, faster high speed counters, pulse train output, use of RSLogix500 and enhanced network capabilities.
Key Features
- Functions with a power supply voltage of 24 volts DC, adhering to Class 2 SELV specifications, and is capable of managing an inrush current of 15 amps for a brief duration of 20 milliseconds
- Built-in LCD with backlight lets you view controller and I/O status
- Two serial ports with DF1, DH-485, Modbus RTU, DNP3 and ASCII protocol support
- Expands application capabilities through support for as many as seven 1762 MicroLogix Expansion I/O modules with 256 discrete I/O
- IP20 sealed enclosure for reliable operation in controlled industrial environments
- DIN rail and panel-mount compatible for flexible installation
Technical Specifications
- Digital Inputs: 20 (12 fast 24V DC, 8 normal 24V DC)
- Analog Inputs: 4 (12-bit)
- Relay Outputs: 6
- Fast 24V DC Outputs: 3
- Normal 24V DC Outputs: 3
- Analog Outputs: 2 (12-bit)
- Total I/O Points: 32
- Memory: 20 KB
- Input Voltage: 24V DC
- Power Consumption: 50 watts (typical); 7.5 watts (without expansion)
- Enclosure Rating: IP20
- Mounting: DIN Rail, Panel Mount
- Display: Built-in LCD with backlight
- Communications: EtherNet/IP, DF1, DH-485, Modbus RTU, DNP3, ASCII
- Battery: 1746-BA (replaceable)
Typical Applications
The 1766-L32BXB suits a wide range of industrial automation scenarios including machine control, process monitoring, packaging equipment, HVAC systems, and standalone production cell automation. Its sealed construction and comprehensive I/O mix make it ideal for environments where reliable, cost-effective control is paramount without requiring the complexity or expense of larger modular systems.
Compatibility & Replacements
Compatible With
- RSLogix 500 programming software
- Studio 5000 (via legacy mode)
- EtherNet/IP networks
- Modbus TCP/RTU networks
- DNP3 protocol
- 1762 MicroLogix Expansion I/O modules (up to seven units)
- Allen-Bradley HMI devices
- SCADA systems supporting standard industrial protocols
Replaces / Drop-In Replacement For
- 1766-L32BXA (earlier version without analog I/O)
- MicroLogix 1200 in upgrade scenarios
- Verify compatibility with your current system configuration before ordering
Works With
- RSLogix 500 programming platform
- Ethernet and serial communications protocols
- EtherNet/IP industrial networking
- Modbus RTU and Modbus TCP
- DNP3 protocol for utility applications
- ASCII and DF1 full/half duplex serial communications
