Allen Bradley 1785-L80C PLC Processor Module

FAQ

Q1: What is the Allen-Bradley 1785-L80C used for?
A1: The 1785-L80C is a PLC-5/80C ControlNet processor module used in legacy Allen-Bradley PLC-5 automation systems for large-scale industrial control applications.

Q2: How much memory does the 1785-L80C provide?
A2: The controller provides 100K words of user memory with battery-backed RAM support.

Q3: What communication networks are supported by the 1785-L80C?
A3: The processor supports ControlNet, DH+ (Data Highway Plus), Remote I/O, and serial communications.

Q4: What is the ControlNet communication speed?
A4: The integrated ControlNet interface operates at 5 Mbps.

Q5: What are the actual dimensions and weight of the 1785-L80C?
A5: The approximate dimensions are 279 × 76 × 152 mm, and the actual weight is approximately 1.4 to 1.8 kg depending on revision and packaging.

Q6: Which chassis is compatible with the 1785-L80C?
A6: The processor is designed for Allen-Bradley 1771 PLC chassis systems.

Q7: Is the 1785-L80C still manufactured?
A7: No. The 1785-L80C is a discontinued legacy PLC-5 processor, but refurbished and surplus units are still available in the industrial aftermarket.

Q8: What are common applications for the 1785-L80C?
A8: Common applications include legacy manufacturing systems, process automation, factory control systems, and ControlNet-based industrial automation networks.

1785-L80C Allen Bradley

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