Allen-Bradley 1747-L542 SLC 5/04 Processor Module | DH+ RS-232 PLC Controller

Description

• The Allen-Bradley 1747-L542 SLC 5/04 Processor Module is a powerful and reliable PLC controller designed for industrial automation applications. Part of the trusted SLC 500 series, this processor supports DH+ and RS-232 communication, making it ideal for integration with HMIs, SCADA systems, and legacy automation networks.

  With 32K of user memory and support for up to 8,192 digital I/O points, the 1747-L542 delivers fast and dependable control for manufacturing, process control, and machine automation. It operates on 5–24 VDC, features Flash EEPROM memory, and is fully programmable using RSLogix 500 software.

  Built for durability and long-term performance, this processor is suitable for both new installations and replacement of existing SLC 5/04 systems.

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  Key Features

  • Brand: Allen-Bradley (Rockwell Automation)

  • Series: SLC 500

  • Model: 1747-L542 / SLC 5/04

  • User Memory: 32K

  • Communication: DH+ and RS-232

  • Max Digital I/O: 8,192 points

  • Programming Software: RSLogix 500

  • Operating Voltage: 5–24 VDC

  • Memory Type: Flash EEPROM

  • Scan Time: 0.9 ms/K

  • Chassis Support: Up to 30 slots (local/remote)

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  Applications

  • Industrial automation systems

  • Manufacturing control panels

  • Legacy PLC upgrades and replacements

  • Process control and material handling

  • Machine automation