1747-L542 | Allen Bradley SLC 500 SLC 5/04 Processor Module

Product Description

The Allen Bradley SLC 500 1747-L542 Processor Module is a high-performance controller designed for mid-range automation systems. Supporting extensive digital and analog I/O, it offers fast scan times, robust communication options, and reliable memory backup. With 32K words of user memory and compatibility with multiple chassis, this processor ensures efficient control and integration in industrial environments.

Technical Specifications

• Model / Part Number 1747-L542

• Manufacturer Allen Bradley (Rockwell Automation)

• Product Line SLC 500 Series

• Product Type Processor Module (SLC 5/04)

• Weight 0.69 lbs (0.31 kg)

• Inputs Up to 4096

• Outputs Up to 4096

• Analog I/O Capacity 480 channels

• User Memory 32,000 words (battery-backed RAM)

• Program Scan Time 0.9 ms/K

• I/O Scan Time 0.225 ms

• Chassis Support Up to 3 chassis, 30 module slots

• Communication Interfaces Data Highway Plus (DH+), RS-232

• Backup Memory 1747-M13

• Battery Backup Supported (1747-BA)

• Operating Temperature 0–60 °C (32–140 °F)

Application Scenarios

• Mid-range automation systems requiring fast scan times

• Industrial control setups with large digital and analog I/O requirements

• Legacy systems needing reliable processor modules with memory backup

FAQ

Q: How much memory does the 1747-L542 provide?  A: It offers 32,000 words of user memory with battery backup.

Q: What communication options are available?  A: Data Highway Plus (DH+) and RS-232.

Q: How many chassis can be supported?  A: Up to 3 chassis with 30 module slots.

Q: Does the processor support analog I/O?  A: Yes, up to 480 analog I/O channels.