140CPU43412
May 16, 2026

140CPU43412

140CPU43412(Modicon Quantum Unity CPU) General Manufacturer:Schneider Electric Part No:140CPU43412 Series:Modicon Quantum Type:Unity Processor,80486,66 MHz Coating:Standard(non‑conformal) Programming:Unity Pro Status:Discontinued / Legacy

Description

140CPU43412(Modicon Quantum Unity CPU)

General

  • Manufacturer:Schneider Electric

  • Part No:140CPU43412

  • Series:Modicon Quantum

  • Type:Unity Processor,80486,66 MHz

  • Coating:Standard(non‑conformal)

  • Programming:Unity Pro

  • Status:Discontinued / Legacy

Core & Memory

  • Processor:32‑bit 80486,66 MHz

  • RAM:896 KB(program + data)

  • Flash:256 KB

  • Boolean Speed:~0.3 µs / instruction

  • Watchdog:250 ms(hardware)

  • RTC:Yes

  • Battery:3 V lithium,1.2 Ah,10 years life

I/O Capacity

  • Local I/O:64 In / 64 Out(max)

  • Distributed I/O:30 In / 32 Out(words)

  • Remote Drops:63 max

  • Local Racks:2 max(main + extension)

Communication Interfaces

  • 1 × Modbus Plus(MB+)RS485(DB9)

  • 2 × Modbus RS232(DB9)

  • 1 × USB(programming/service)

  • 2 expansion slots(for Ethernet/Profibus DP etc.)

Electrical

  • Backplane Current:1.25 A @ 5.1 VDC

  • Power Consumption:~6.4 W

Environmental

  • Operating Temp:0 °C ~ +60 °C

  • Storage Temp:−40 °C ~ +85 °C

  • Humidity:5–95% RH,non‑condensing

  • Altitude:Up to 5000 m

Mechanical

  • Slot:1 slot(Quantum backplane)

  • Hot Swap:Yes

  • Weight:~0.65 kg

Key Features

  1. 896 KB RAM,适合中规模程序与数据

  2. 1×MB+ + 2×RS232,串口资源丰富

  3. 支持最多 63 个远程站,分布式能力强

  4. 双扩展槽,网络灵活扩展

  5. 支持冗余热备(搭配 140CHS 系列)

Certifications

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


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