Allen Bradley 1747-L531 SLC 500 Modular Processor (CPU)

FAQ

Q1: What is the 1747-L531 used for?
It is a processor module that executes ladder logic and controls I/O in SLC 500 automation systems.

Q2: Which series does this processor belong to?
It belongs to the SLC 5/03 processor family.

Q3: What is the memory capacity of the 1747-L531?
It provides 8 K words of user memory.

Q4: What communication interfaces are available?
It includes a DH-485 port and an RS-232 port supporting DF1 or DH-485 protocols.

Q5: How fast is the processor?
Typical scan time is about 1.8 ms per 1 K instructions, with bit execution around 0.9 µs.

Q6: Does it support EEPROM backup?
Yes, it supports EEPROM modules for program storage.

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

Q8: Is the 1747-L531 still available?
No, it is a discontinued legacy processor from the SLC 500 series.

1747-L531 Allen Bradley

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