Allen Bradley 1768-L45S CompactGuardLogix safety processor

FAQ

Q1. What is the 1768‑L45S controller?
It is a CompactGuardLogix safety‑enabled PLC controller that combines standard and safety automation functionality.

Q2. How much standard and safety memory does it have?
It includes 3 MB of standard user memory and 1 MB of dedicated safety memory.

Q3. What communication interfaces are available?
It features one fully isolated RS‑232 serial port for programming and communications.

Q4. How many I/O modules can be supported?
The controller supports up to 4 local 1768 modules and up to 30 1769 I/O modules across three banks.

Q5. What power supply requirements and consumption does it have?
It draws ~2.1 A from the 24 V DC backplane and consumes about 50.4 W total.

Q6. What are the environmental operating limits?
Operating range is 0 °C to 60 °C with 5 %–95 % non‑condensing humidity; storage is –40 °C to 85 °C.

Q7. What are the physical dimensions and weight?
Dimensions are approximately 131.6 mm × 89.6 mm × 122.1 mm, and weight is ~0.45 kg.

Q8. Is the 1768‑L45S still manufactured?
No, this controller has been discontinued by the manufacturer.

1768-L45S Allen Bradley

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