The Allen-Bradley 1785-L80C15 serves as the primary 1785-L80C15 CPU Processor utilized to execute deterministic register logic and ControlNet network communication across PLC-5 platform architectures.

Model Identification Architecture

• Product Family: PLC5
• Product Model: 1785-L80C15
• Spare Model: 1785L80C15
• Series Name: PLC-5/80 Controlnet Phase 1.5
• Country of Origin: USA
• Place of Shipment: Xiamen, China

Hardware Specifications

Industrial Network & Bus Communication

Configured for high-speed industrial control systems, the controller manages deterministic network updates using integrated ControlNet interfaces. Backplane bus communication velocity and firmware flash compatibility rely on stable 5V DC power distribution. I/O density scaling supports complex rack topologies while maintaining strict loop update intervals governed by active network scheduling parameters.

Package Ordering Information

• 1 x 1785-L80C15 PLC-5/80 ControlNet Processor Module
• 1 x Factory compliance statement
• 1 x Hardware configuration guide

Mechanical Installation Guidelines

• Chassis Insertion Protocols:
  • Align module card edges carefully with backplane guide rails inside the PLC-5 chassis slot.
  • Push the module forward until top and bottom locking latches snap into secure physical engagement.
• Power & Grounding Execution:
  • Verify backplane power supply capacity exceeds total current draw before energizing the rack.
  • Connect chassis safety ground studs directly to low-impedance copper earth ground bars.
• Communication Cabling Rules:
  • Route ControlNet coaxial or fiber cables away from high-voltage AC motor lines to minimize interference.
  • Secure cable connectors tightly to maintain proper impedance matching across the network trunk.

Frequently Asked Questions

• Q: What is the operating CPU clock speed of the 1785-L80C15 processor?

  A: The internal CPU operates at a fixed clock speed of 3.0 MHz to execute ladder logic instructions.

• Q: How much total user memory capacity does this module provide?

  A: The controller features 96K words of allocated user memory along with 32K words of data memory.

• Q: What are the electrical power supply requirements for this processor?

  A: The unit draws power from the chassis backplane at 5V DC with a current load rating of 2.5A.

• Q: What level of electrical isolation does the backplane interface maintain?

  A: The internal isolation barrier is rated to withstand up to 1500V AC to protect against transient voltage spikes.

• Q: Can this processor module be inserted or removed while backplane power is active?

  A: No, live hot-swapping is not supported on standard PLC-5 backplanes; power must be turned off prior to handling.

• Q: What is the allowable operating temperature range for reliable execution?

  A: The module functions within an ambient temperature span of 0 deg C to +60 deg C inside ventilated enclosures.

• Q: How is the module secured physically inside the industrial rack?

  A: Integrated top and bottom locking mechanisms anchor the printed circuit assembly firmly into the chassis frame.

• Q: What humidity limits apply to the storage and operational environment?

  A: The unit tolerates relative humidity conditions ranging from 5% to 95% provided non-condensing standards are met.