Allen Bradley 1747-L542 Processor

The Allen Bradley 1747-L542 is a programmable logic controller (PLC) processor module from the SLC 500 family, designed for mid-range industrial automation applications. It features 32K words of memory, making it suitable for complex logic operations, data handling, and process control. The 1747-L542 includes both Data Highway Plus (DH+) and RS-232 communication ports, ensuring seamless connectivity with HMI systems, SCADA applications, and distributed control networks.

QTY 1 in stock

Technical Specifications

  • Manufacturer: Allen Bradley (Rockwell Automation)
  • Model: 1747-L542
  • Series: SLC 500 (SLC 5/04)
  • Processor Type: SLC 5/04 CPU
  • User Memory: 32K Words
  • Communication Ports:
    • DH+ (Data Highway Plus) for high-speed networking
    • RS-232 (DF1 protocol, ASCII, Modbus, DH-485 support)
  • I/O Compatibility: Compatible with 1746 I/O modules
  • Max I/O Points: 4096 (digital), 480 (analog)
  • Programming Software: RSLogix 500
  • Backplane Current Load: 1.0A at 5V DC, 0.025A at 24V DC
  • Power Supply Compatibility: 1746-P series (various voltage options)
  • Operating Temperature Range: 0°C to 60°C (32°F to 140°F)
  • Mounting Type: Standard SLC 500 rack (4-slot, 7-slot, 10-slot, or 13-slot chassis)

Key Features

  • 32K word memory for storing complex logic programs and data handling
  • DH+ communication port for high-speed industrial networking and peer-to-peer communication
  • RS-232 serial communication for data logging, HMI connection, and device integration
  • Supports 1746 modular I/O system for scalable automation solutions
  • Efficient processing capability for real-time automation tasks
  • Compatible with FactoryTalk View for process visualization and monitoring
  • Reliable and proven industrial-grade design for long-term operation

Compatible Allen Bradley Components

  • Allen Bradley 1746 I/O Modules (Digital, Analog, Specialty I/O)
  • Allen Bradley 1747-SN Remote I/O Scanner
  • FactoryTalk View HMI and SCADA Systems
  • RSLogix 500 Software for programming and troubleshooting
  • Allen Bradley 1761-NET-ENI for Ethernet/IP connectivity

Industry Applications

  • Manufacturing automation and process control
  • Material handling and conveyor systems
  • Water and wastewater treatment plants
  • Food and beverage processing systems
  • Oil, gas, and petrochemical automation

Installation & Operational Notes

  • Install in a standard SLC 500 chassis with proper power supply
  • Configure networking via DH+ for high-speed communication
  • Use RSLogix 500 for ladder logic programming and diagnostics
  • Ensure firmware updates for compatibility with newer automation systems
  • Regular system backups recommended for data protection and system recovery

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