Modicon Momentum 171CBU78090 High-Speed Processor by Schneider Electric

Schneider Electric 171CBU78090 Processor Overview

Powergear X Automation

The 171CBU78090 runs fast tasks with a 333 MHz core.
It uses the Spear 320s design with a 32-bit word length.
It fits well in small systems that need quick cycle time and simple setup.

Main Features

• The unit offers a stable 4.75 to 5.25 V supply window for steady work.
• The processor supports multidrop Modbus with up to 32 linked devices.
• The module handles 2048 inputs and 2048 outputs for wide I/O use.
• Each Kinstruction runs in only 83 ns for fast loop control.
• The device holds 26048 register words for large data blocks.
• It uses 500 mA at 5 V DC for efficient power use.
• Shock rating equals 15 gn at 11 ms for field durability.

Extra Technical Details

• Weight equals 0.45 kg with EAN 3595864171388.
• The unit fits a 35 mm DIN rail for quick cabinet install.
• IP20 level works well in indoor and clean areas.
• The processor supports short scan times ideal for motion tasks.
• It offers strong noise tolerance for stable signal timing.

Why Choose the 171CBU78090

• Fast 333 MHz speed boosts small PLC programs.
• Simple wiring and layout reduce install time.
• Long register capacity helps with logging and math work.
• High Modbus device count supports wide networks.
• Good shock resistance fits factory floor use.

Installation Guide

• Click the module onto a 35 mm DIN rail with firm pressure.
• Check each field wire for correct polarity before power-up.
• Keep all signal wires clean and tight to avoid dropouts.
• Place the module away from heat and dust for long life.
• Use a short ground path to reduce noise from nearby loads.

What You Receive

• One 171CBU78090 processor module.
• One simple setup sheet for quick start.
• Standard packing for safe global shipping.
• Ships by FedEx, UPS or DHL depending on location.
• Includes 12-month warranty from shipment date.

Professional FAQ

• How do I improve scan time?
  Place fast math and logic steps at the start of your program.
• How can I avoid Modbus delays?
  Shorten cable runs and set the same baud rate on all connected units.
• What helps reduce noise on I/O?
  Route high-load wires away from signal wires and use clean grounding.
• How do I manage large data sets?
  Split data blocks into smaller arrays to keep your logic simple.
• How can I increase hardware life?
  Keep the cabinet cool and check terminal screws every few months.

Contact and Support

• Email us at sales@powergearx.com for help or quotes.
• Call us at +86 18030005825 for fast order support.

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