Schneider 140CPU65160S Unity Processor

Overview

The 140CPU65160S is a Unity processor for the Modicon Quantum PLC platform. Designed for industrial automation, it offers a high-speed processing capability, a 266 MHz clock frequency, and 1024 KB of internal RAM. This processor is equipped with an arithmetic co-processor, which enhances computational efficiency. It supports expansive I/O capabilities and communication interfaces, making it ideal for complex automation systems. Despite being discontinued, it remains listed in some sources due to its robust performance in legacy systems.

Technical Specifications

Processor and Memory

• Processor Type: Unity Processor for Modicon Quantum
• Clock Frequency: 266 MHz
• Internal RAM: 1024 KB
• Memory Expansion:
  • Program memory up to 7168 KB via PCMCIA card
  • File storage up to 8 MB via PCMCIA card

I/O Capacity

• Local Discrete I/O: Unlimited, up to 13 slots
• Remote Discrete I/O: 31,744 inputs and 31,744 outputs
• Local Analog I/O: Unlimited, up to 26 slots
• Remote Analog I/O: 1,984 inputs and 1,984 outputs

Communication Interfaces

• Modbus Plus: 1x (local)
• Modbus (RS232/485 Modbus/ASCII): 1x
• USB: 1x (local)
• Ethernet TCP/IP: Up to 6x using optional modules (e.g., 140NOE77111)

Execution Time

• Word Instructions: 0.09–0.12 µs
• Boolean Instructions: 0.105–0.15 µs
• Fixed-Point Arithmetic: 0.96–1.02 µs
• System Overhead: 1.5 ms for master task

Power and Battery

• Power Supply: 3 V DC lithium battery
• Battery Life: Approximately 10 years

Display and Signaling

• Display: LCD, 2 lines of 16 characters
• Signaling LEDs: For Ethernet activity (COM) and collision (ERR)

Connectors

• Modbus Plus: 1x SUB-D 9 connector
• USB: 1x Type B connector
• Modbus: 2x RJ45 connectors

Other Features

• Key Switch: For memory port on/off
• Process Control: Includes process control checks and cyclic/periodic master task execution

System and Task Management

• Tasks Supported:
  • 1 cyclic/periodic master task
  • 1 periodic fast task
  • 128 I/O interrupt tasks
  • 128 interrupt tasks
  • 32 timer interrupt tasks
  • 4 auxiliary tasks

Bus Current Requirement

• Current: 2760 mA

Physical Specifications

• Weight: 1.38 kg 
• Category: PLCs/Machine Control
• Subcategory: PLC Module/Rack