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Allen-Bradley | 1766-L32BXBA| MicroLogix 1400
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Product Description: Allen-Bradley 1766-L32BXBA
The Allen-Bradley 1766-L32BXBA is a MicroLogix 1400 controller that combines flexible communication, embedded analog and digital I/O, and high-performance processing into a compact and cost-effective package. It is well-suited for standalone applications or integration into larger systems, offering expanded memory, an integrated LCD display, and support for Ethernet/IP networking.
Key Features
- Total of 32 embedded I/O:
- 20 digital inputs (24V DC)
- 12 digital outputs (relay type)
- Includes 2 analog inputs (voltage or current selectable) and 2 analog outputs (voltage only)
- Integrated Ethernet/IP port for peer-to-peer messaging and SCADA connectivity
- Built-in RS232/RS485 combo port and RS232 port for serial communication
- Embedded LCD for diagnostics, status monitoring, and simple data entry
- High-speed I/O support for time-critical control tasks
Technical Specifications
- Digital Inputs: 20 (24V DC sink/source)
- Digital Outputs: 12 relay outputs
- Analog Inputs: 2 (0–10V or 4–20mA selectable)
- Analog Outputs: 2 (0–10V)
- Communication Ports:
- 1 × Ethernet/IP
- 1 × RS232
- 1 × RS232/RS485 (non-isolated)
- Memory: 10 KB user program, 128 KB data logging
- Display: 2-line, 16-character backlit LCD
- Power Supply: 120/240V AC
- Expansion: Supports up to 7 1762 I/O modules
- Mounting: DIN rail or panel mount
- Operating Temperature: 0°C to 55°C
- Dimensions: Approx. 110 x 190 x 87 mm (H x W x D)
Application Areas
- Standalone machine control
- Small process systems with analog signal requirements
- Building automation and utility monitoring
- Remote telemetry units (RTUs)
- Industrial refrigeration and HVAC systems
Advantages
- Integrated analog and digital I/O reduces system cost and complexity
- Built-in Ethernet enables remote monitoring and control
- LCD display offers quick diagnostics without connecting a PC
- Ideal for mixed-signal applications in compact enclosures
- Broad communication options support legacy and modern systems