Product Summary
The 1747-L543 SLC 5/04 processor delivers powerful control for medium to large applications. This unit provides 64 KB of battery-backed RAM and supports up to 4096 discrete inputs and outputs. Engineers value its integrated Data Highway Plus and RS-232 communication ports for reliable system integration. This controller handles complex tasks with a fast 0.9 ms/K program scan time.
Procurement & Buyer Guide
This section helps you select the right processor for your automation needs.
The 1747-L543 offers the highest memory capacity among SLC 5/04 variants. This makes it ideal for demanding control tasks. Engineers use it for applications requiring extensive data handling and complex logic. The processor supports 64,000 words of user memory for large programs.
Your system can manage up to 4096 inputs and 4096 outputs with this module. It also handles 480 analog I/O points. This capacity suits centralized control over widely spread signals across a facility. You can reduce long cable runs by placing racks near field devices.
The processor supports distributed I/O topology for efficient system design. You install communication scanners in remote racks instead of extra processors. This architecture simplifies wiring and reduces overall system cost. A communication adapter sits in the rack with the CPU.
This module runs on backplane currents of 1 A at 5 Volts DC. It also draws 125 mA at 24 Volts DC. Ensure your power supply meets these demands for stable operation. The operating temperature range is 0 to 60 degrees Celsius.
Expert Technical Evaluation
This section provides a performance review of the processor's capabilities.
The 1747-L543 achieves a program scan time of 0.9 milliseconds per K of logic. Its typical I/O scan time is 0.225 milliseconds for fast data updates. Bit execution takes only 0.37 microseconds for efficient discrete control. These speeds ensure responsive machine operations.
The processor includes both a Data Highway Plus port and an RS-232 port. You use DH+ for high-speed peer-to-peer communication between controllers. The RS-232 port connects to programming terminals or other serial devices. Status LEDs show run, fault, and communication activity for quick diagnosis.
Environmental tolerances support harsh industrial settings. The module withstands operating shock of 30 G for reliable performance. It handles vibration up to 2.5 G from 57 to 2000 Hertz. Non-condensing humidity from 5 to 95% is acceptable. Storage temperature ranges from -40 to 85 degrees Celsius.
The 64 KB RAM uses a battery back-up to retain programs during power loss. The program scan holds up for between 20 milliseconds and 3 seconds after power failure. This hold-up time depends on your power supply loading. Use the 1747-BA battery for memory retention.
The processor offers 107 programming instructions for flexible control strategies. It supports basic bit logic for simple tasks and advanced PID for complex loops. You can also implement motion and position control with this module. An intuitive diagnostic buffer provides fault details when connected online.
Logistics & Standard Packaging Details
Express delivery shipping is available via FedEx, UPS, and DHL for rapid deployment.
