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Product Overview

The 1769-L31 (Part Number: 1769-L31) is a modular Programmable Automation Controller (PAC) belonging to the Allen-Bradley CompactLogix™ 5331 series. This controller is designed for small to mid-size machine-level control applications that require high-performance logic but do not necessitate integrated Ethernet/IP on the processor card. The 1769-L31 (1769-L31) provides a cost-effective solution for standalone machine control or distributed architectures using serial communication, supporting a robust set of local I/O expansion capabilities.

Technical Specifications

The 1769-L31 (1769-L31) is characterized by its dual serial port configuration and modular I/O footprint.

  • Manufacturer: Rockwell Automation / Allen-Bradley

  • Model/Catalog Number: 1769-L31 (1769-L31)

  • Controller Series: CompactLogix 5331

  • User Memory: 512 KB (Available for program and data)

  • Local I/O Capacity: Supports up to 16 local 1769 modules

  • I/O Bank Limit: Maximum of 3 I/O banks (requires expansion cables)

  • Communication Ports: Dual RS-232 Serial Ports

    • Port 1: Isolated (DF1 or ASCII)

    • Port 2: Non-isolated (DF1 only)

  • Non-Volatile Memory: Slot available for 1784-CF Series CompactFlash cards

  • Programming Software: RSLogix 5000 / Studio 5000 Logix Designer

  • Power Supply Compatibility: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4

  • Operating Temperature: 0°C to +60°C (32°F to +140°F)

  • Dimensions: 118 × 90 × 87 mm

  • Shipping Weight:  0.35 kg (0.77 lbs)

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