Allen Bradley 1768-L45 CompactLogix programmable logic controller (PLC)

FAQ

Q1. What is the 1768‑L45 used for?
It is a CompactLogix PLC controller designed for medium‑scale automation and control with expandable I/O support.

Q2. How much memory does this controller have?
It has 3 MB of integrated user memory for program and data.

Q3. What communication interfaces are available?
It includes a single isolated RS‑232 serial port; additional network modules (e.g., Ethernet/IP) can be added.

Q4. How many I/O modules can the L45 support?
It supports up to 4 local 1768 modules and up to 30 1769 I/O modules across 3 expansion banks.

Q5. What are the power requirements?
The controller draws up to 2.0 A @ 24 V DC on the backplane and consumes up to ~48 W.

Q6. What are the environmental operating limits?
It operates from 0 °C to 60 °C with up to 95 % non‑condensing humidity.

Q7. What are the physical dimensions and weight?
Dimensions are approximately 131.6 mm × 56.4 mm × 121.8 mm and weight ~0.34 kg.

Q8. Is the 1768‑L45 still manufactured?
No, this controller has been discontinued by the manufacturer.

1768-L45 Allen Bradley

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