140CPU31110

Product overview

• Model: 140CPU31110

• Brand: Schneider Electric

• Type: Unity Processor Module for Modicon Quantum Platform

General Information

• Platform: Modicon Quantum

• Clock frequency: 66 MHz

• Internal memory: 548 kB RAM

• Bus current: 1800 mA

I/O Capabilities

• Local discrete I/O: Unlimited (max 27 slots)

• Remote discrete I/O: 31,744 inputs and 31,744 outputs via S908

• Distributed discrete I/O: 8,000 inputs and 8,000 outputs per Modbus Plus network

• Local analog I/O: Unlimited (max 27 slots)

• Distributed analog I/O: 500 inputs and 500 outputs per Modbus Plus network

• Remote analog I/O: 1,984 inputs and 1,984 outputs via S908

• Application-specific I/O: Includes high-speed interrupt, counter, accurate time stamping, serial link

Communication & Connectivity

• Integrated ports:
  – 1 Modbus Plus
  – 2 Modbus RS232/485

• Optional module support:
  – Ethernet
  – Modbus
  – Modbus Plus
  – Profibus DP
  – Sy/Max

• Max connections:
  – 2 Ethernet TCP/IP (local)
  – 2 Modbus Plus (local)
  – 2 Modbus (RS232/485)
  – 2 AS-Interface (distributed)
  – 4 AS-Interface (remote)
  – 2 Profibus DP (local)

• Connection types:
  – 1 SUB-D 9 (Modbus Plus)
  – 2 SUB-D 9 (Modbus)

Rack & Slot Support

• Number of slots: 16 total

• Rack configuration:
  – 2 local racks
  – 63 distributed I/O stations (Modbus Plus)
  – 31 remote I/O stations (S908)
  – 0 Ethernet remote I/O

Application & Performance

• Application tasks:
  – 1 cyclic/periodic master task
  – 1 fast periodic task
  – 16 timer interrupt tasks
  – 64 I/O interrupt tasks
  – 64 interrupt tasks

• Execution speed:
  – 0.1–0.27 µs (floating/fixed-point)
  – 0.12–0.585 µs (Boolean/word)

• Instruction throughput:
  – 1.86 Kinst/ms (100% Boolean)
  – 2.49 Kinst/ms (65% Boolean, 35% numerical)

• System overhead:
  – 0.2 ms (fast task)
  – 1 ms (master task)

Indicators & Diagnostics

• RUN (green): CPU solving logic

• READY (green): Passed diagnostics

• Modbus/Modbus Plus Comm (green): Active communication

• Memory port (orange): Write protection active

• BAT LOW (red): Low or missing battery

• ERROR A (red): Modbus Plus error

Configuration Features

• Memory port switch: ON/OFF

• Comm port switch: ASCII/RTU/Memory

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