Allen Bradley 1747-L543 SLC 500 Modular Processor (CPU)

FAQ

Q1: What is the 1747‑L543?
It is a modular CPU module for the Allen‑Bradley SLC 500 system used to execute control programs and manage I/O.

Q2: Which processor series does it belong to?
It is part of the SLC 5/04 processor family.

Q3: How much program memory does the 1747‑L543 have?
It provides 32 K words of user memory.

Q4: What communication interfaces are supported?
Communication is supported via DH‑485 and RS‑232 interfaces.

Q5: How fast is the processor performance?
Typical scan time is about 0.6 ms per 1 K instructions with a bit execution time of ~0.6 µs.

Q6: How many I/O points can this processor handle?
It can support up to 4096 discrete inputs and outputs depending on configuration.

Q7: What are the physical dimensions and weight?
Dimensions are approximately 5.5 × 1.37 × 5.15 in and weight is around 0.32 kg.

Q8: Is the 1747‑L543 still actively produced?
No — this processor is part of the legacy SLC 500 line and has been discontinued.

1747-L543 Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.