Products Description
Schneider 140CPU67160 Modicon Quantum Unity PLC CPU Module
Schneider 140CPU67160 is a high-performance Unity hot standby processor for Modicon Quantum PLC platform. It runs at 266 MHz, equipped with multi-mode fiber port for redundant synchronization between primary and standby CPU, supporting large-scale distributed I/O and multiple industrial communication protocols.

This CPU module integrates Ethernet, Modbus Plus, Modbus and USB interfaces, supports PCMCIA memory card expansion. It is widely adopted in critical process control systems. It serves as spare parts for power, oil & gas, chemical plant control cabinet maintenance and upgrade projects.
Main Specifications
- Brand: Schneider Electric; Model:140CPU67160; Series:Modicon Quantum; Type:Hot Standby Unity CPU Module
- Processor:266 MHz 32-bit RISC; Internal RAM:1024kB; Support PCMCIA card for memory expansion
- Communications:Multimode fiber hot standby link, Ethernet TCP/IP, Modbus Plus, Modbus, USB
- I/O Capacity:2 local racks, up to 63 distributed I/O stations, max 31 remote I/O stations
- Mounting:Quantum backplane rack; Power supply:24VDC; Operating Temp:-20℃ ~ +60℃
- Redundancy:Hot standby function, fiber sync up to 4km between primary and standby CPUs
- Supply Status:Discontinued industrial spare CPU for critical process control system overhaul and replacement
Core Functions
- Execute Unity control program, handle logic, analog regulation and data processing for industrial automation.
- Hot standby redundancy via multi-mode fiber, automatic switchover when main CPU fails without system shutdown.
- Integrated multi-type communication ports to exchange data with HMI, remote I/O and other field controllers.
- Support large scale distributed and remote I/O architecture to expand control points for big automation projects.
- Memory expansion by PCMCIA card for program backup, data logging and firmware update.
- Standard Quantum rack installation, easy module replacement during control system maintenance.
Application Scenarios
- Redundant main control unit for Schneider Modicon Quantum critical process control systems.
- Fault CPU replacement and routine maintenance of existing Quantum PLC automation platforms.
- Oil & gas, chemical industry, power plant, water treatment and other high-reliability industrial control projects.
- Emergency replacement for CPU failure to restore redundant control and continuous production operation.
- Spare parts stocking for maintenance teams supporting Schneider Quantum Unity control systems.
- Aftermarket spare supply for control cabinet upgrade and redundant process control system reconstruction.
FAQ
- Q: What is Schneider 140CPU67160 used for?
A: It is a Unity hot standby CPU module for Modicon Quantum PLC, designed for high-reliability process control with fiber redundant synchronization. - Q: What are typical module failure symptoms?
A: CPU cannot enter run state, hot standby sync loss via fiber, communication port failure, program read/write error. - Q: How to complete commissioning and diagnosis?
A: Install CPU on Quantum backplane, connect fiber for standby link, download Unity program, configure redundant parameters and test master-standby switchover.

Tags: Schneider 140CPU67160 Modicon Quantum Unity PLC CPU Module
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