Allen-Bradley 1785-L40C15/F PLC-5/40C ControlNet Processor Module

FAQ

Q1. What is the 1785-L40C15/F used for?
It is a PLC-5/40C processor used in large industrial automation systems with ControlNet networking.

Q2. What does “C” mean in L40C15?
“C” indicates ControlNet communication capability integrated into the processor.

Q3. What does “/F” mean?
“/F” is a hardware revision level (Series F) indicating a later updated version.

Q4. How much memory does it have?
It has 48K words of battery-backed SRAM.

Q5. What networks does it support?
It supports ControlNet, DH+, Remote I/O, and serial communication.

Q6. What is its I/O capacity?
Up to 2048 I/O points total depending on system configuration.

Q7. What chassis does it use?
It installs in a 1771 PLC-5 I/O chassis.

Q8. Is it suitable for modern systems?
No, it is a legacy PLC-5 ControlNet processor, mainly used for maintaining existing installations.

1785-L40C15/F Allen Bradley

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