Contact Info

140CPU67861

Home / Product/ Schneider Modicon
140CPU67861
May 16, 2026

140CPU67861

140CPU67861 Modicon Quantum Unity Hot Standby Processor 266MHz, 11MB RAM, Single-Mode Fiber Ethernet, Standard Coating

Description

140CPU67861

Modicon Quantum Unity Hot Standby Processor

266MHz, 11MB RAM, Single-Mode Fiber Ethernet, Standard Coating

General Information

Part Number: 140CPU67861
Manufacturer: Schneider Electric
Series: Modicon Quantum
CPU Core: 32-bit PowerPC RISC, 266MHz, with FPU
Onboard RAM: 11264KB (11MB)
Flash Memory: 4MB
Coating: Standard non-conformal
Slot Size: 2 slots double width
Supported Software: Unity Pro XL
Product Status: Discontinued
Hot Swappable: Yes
Application: Large program hot standby redundant system, long distance fiber communication

Performance Specifications

Boolean instruction speed: 10.28K instructions/ms
Mixed instruction speed: 10.07K instructions/ms
Floating-point operation: Supported
Task configuration: 1 cyclic task, 1 fast periodic task, 128 I/O interrupt tasks, 32 timer interrupt tasks
Built-in dedicated hot standby synchronization task

Memory Configuration

Internal RAM: 11MB
PCMCIA expansion: Max 7MB program memory, max 8MB file storage
Backup power: 3V lithium battery, service life up to 10 years
Integrated battery-powered real-time clock

I/O Capacity

Max distributed I/O: 8000 inputs / 8000 outputs
Max remote I/O points: 31744 points
Modbus Plus accessible stations: 63
Remote I/O stations: 31
Support up to 2 local expansion racks

Integrated Communication Interfaces

1 x Modbus Plus interface, 1Mbps
1 x Single-mode fiber Ethernet port, 100Mbps, max transmission distance 20km
1 x Modbus RTU RS232/485 serial port
1 x USB programming interface
6 reserved expansion slots for various communication modules

Electrical Parameters

Backplane operating current: 2.8A @5.1VDC
Typical power consumption: 14.3W

Environmental Specifications

Operating temperature: 0°C ~ +60°C
Storage temperature: -40°C ~ +85°C
Relative humidity: 5%~95% non-condensing
Max working altitude: 5000 meters

Main Features

  1. Top-level large memory hot standby CPU, suitable for complex large-scale control programs

  2. Single-mode fiber port realizes long-distance anti-interference redundant communication

  3. Built-in floating-point unit, meets precise process control calculation requirements

  4. Stable hot standby synchronization, seamless master-slave switching

  5. Rich integrated communication ports, easy system networking

  6. Support various mainstream industrial expansion communication modules

Certifications

CE, UL508, CSA C22.2 No.142, FM Class1 Div2, RoHS compliant

Model Distinction

140CPU67861: 11MB RAM, single-mode fiber, standard coating
140CPU67861C: 11MB RAM, single-mode fiber, conformal coated
140CPU67261: 3MB RAM, single-mode fiber, standard coating


Get a Quote

Search

Categories

pages