What are the communication capabilities of the 1747-L543 processor?

The 1747-L543 features integrated communication ports for Data Highway Plus (DH+) and RS-232.

How much user memory does the 1747-L543 contain?

The processor includes 64 KB of battery-backed RAM, which holds up to 64,000 words of user memory.

What is the operating temperature range for the 1747-L543?

The 1747-L543 is designed to operate in temperatures ranging from 0 to 60 degrees Celsius.

How many I/O chassis and module slots can the 1747-L543 support?

The processor supports a maximum of 3 I/O chassis and 30 I/O module slots.

Is the Allen-Bradley 1747-L543 new or used?

We offer the 1747-L543 in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.

What are the key ratings of the 1747-L543?

The 1747-L543 operates across 0 to 60 degrees Celsius.

What is the Allen-Bradley 1747-L543?

The 1747-L543 is an Allen-Bradley SLC 500 SLC 5/04 Processor.

UPC	10662468653036
Brand	Allen-Bradley
Inputs	4096
Memory	Up to 64 KB, Battery Backed-RAM
Series	SLC 500
UNSPSC	32151705
Outputs	4096
Analog I/O	480
I/O Chassis	3
Module Type	SLC 5/04 Processor
User Memory	64,000 Words
Manufacturer	Rockwell Automation
Backup Memory	1747-M13
Communication	Data Highway Plus (DH+), RS-232
I/O Scan Time	0.225 milliseconds
Program Scan Time	0.9 ms/K
Chassis Module Slots	30
Programming software	RSLogix500 software
Operating Temperature	0 to 60 degrees Celsius
Battery back-up memory	Yes; 1747-BA
Part Number/Catalog No.	1747-L542

Allen-Bradley

1747-L543

Q: What is the maximum I/O capacity for the 1747-L543?

The 1747-L543 supports a maximum of 4,096 discrete inputs and 4,096 discrete outputs.

Q: What are the scan time specifications for the 1747-L543?

The processor has an average program scan time of 0.9 milliseconds per K and a typical I/O scan time of 0.225 milliseconds.

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PLCs SLC 500

The Allen-Bradley 1747-L543 is a Rockwell Automation SLC 500 series processor known for its reliability and flexibility in industrial settings. It features a 64 KB battery-backed RAM, supports up to 4096 inputs/outputs, and works with RSLogix500 software. Ideal for modular applications, it boasts rapid scan times and DH+ communication.

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Overview of Allen-Bradley 1747-L543

The Allen-Bradley 1747-L543 is a processor module for the SLC 500 series, specifically classified as an SLC 5/04 controller. It is designed for medium to large control applications, offering the highest memory capacity among the SLC 5/04 processor variants. This unit provides a robust solution for centralized control over widely spread I/O signals, supporting distributed I/O topologies that eliminate the need for long cable runs.

Key Features

This processor features 64 KB of battery-backed RAM, with 60,000 words allocated for data and program storage and 4,000 words for data only. It includes a Flash EPROM backup memory and supports 107 programming instructions. The module is equipped with integrated front-panel status LEDs for forced I/O, run, CPU fault, RS-232, and DH+ to facilitate quick diagnosis of module status.

Performance and Capacity

The 1747-L543 supports a maximum of 4096 discrete inputs and 4096 discrete outputs, along with 480 analog I/O points. It achieves an average program scan time of 0.9 milliseconds per K and a typical I/O scan time of 0.225 milliseconds, with bit execution at 0.37 microseconds. The processor can support up to three I/O chassis with a maximum of 30 module slots. It operates on backplane currents of 1 A at 5 V DC and 125 mA at 24 V DC, with an operating temperature range of 0 to 60 degrees Celsius.

Installation and Compatibility

Communication is handled via a 9-pin RS-232 port and a 3-wire terminal Data Highway Plus (DH+) port. The 1747-L543 is compatible with RSLogix 500 software for programming and configuration. It is part of the SLC 500 Modular Hardware family and is designed to work with SLC 5/02 or higher processors in distributed I/O configurations using communication scanners and adapters.

Applications and Industries

Designed for industrial settings requiring reliability and flexibility, the 1747-L543 is ideal for modular applications in medium to large scale processes. Its support for distributed I/O makes it suitable for environments where I/O signals are spread across a wide physical area, allowing for efficient centralized control without the complexity of multiple processors or extensive cabling.