Description
Schneider 140CPU67160
1. Overview
Schneider 140CPU67160 is a high-performance Unity hot standby processor module. As the core control unit of industrial automation and process control systems, it is designed for high-reliability redundant control, complex logic operation, large-scale data acquisition and multi-device coordinated control, meeting the uninterrupted control requirements of large-scale and critical industrial scenarios.
2. Product Parameters
| Parameter Name | Detailed Specifications |
|---|---|
| Model | 140CPU67160 |
| Manufacturer | Schneider Electric |
| Product Series | Schneider Modicon Quantum Series |
| Product Type | Unity hot standby processor module, 32-bit industrial CPU, supports dual redundant hot standby configuration |
| Compatible Devices | Matched with Modicon Quantum platform and racks; compatible with various I/O modules and communication modules; supports programming software such as ProWORX 32, Concept and Unity Pro; connectable with remote racks, distributed I/O stations and intelligent instruments |
| Power Supply Parameters | Bus Current: 2500mA; Powered by Quantum series rack backplane; adapted to 24VDC dedicated power supply module to ensure stable power for redundant operation |
| Communication Parameters | 1 × Ethernet TCP/IP port (RJ45), 1 × Modbus port (RJ45), 1 × Modbus Plus port (Sub-D 9 female), 1 × USB port; supports multi-mode transmission, connecting up to 3 distributed networks and 2 remote racks |
| Processor & Memory | 32-bit processor, 266MHz clock frequency; built-in 1024kB RAM (512kB for data storage); memory expandable via PCMCIA card; maximum file storage: 8MB, maximum program storage: 7168kB |
| Physical Parameters | Structure: compatible with Quantum series racks with 10 expansion slots; equipped with key switch for memory port control; front-panel LED indicators (red Ethernet collision lamp, green Ethernet activity lamp); compact industrial design for cabinet installation |
| I/O Expansion Capacity | Up to 63 distributed I/O stations (3 distributed networks) and 31 remote I/O stations (2 remote racks); Max. 8000 discrete I/O points per distributed network, 31744 discrete I/O points for remote I/O; Max. 500 analog I/O points per distributed network, 1984 analog I/O points for remote I/O |
| Environmental Parameters | Industrial-grade environmental adaptability, superior anti-interference and vibration resistance, compliant with CE, UL and other certifications, suitable for harsh industrial conditions for long-term stable operation |
| Core Functions | Dual redundant hot standby control, complex logic operation, large-scale data acquisition, high-speed interrupt processing, timestamp event recording, multi-protocol communication, I/O expansion, memory expansion, automatic fault switching & synchronization, online program debugging and modification |

3. Technical Features
- High-performance Redundant Hot Standby Design: Native dual hot standby redundancy allows two processors to run in parallel with automatic synchronization and bumpless failover. It achieves non-stop system operation, greatly enhances reliability in critical industries, avoids economic losses caused by unplanned shutdowns, and perfectly suits high-availability applications.
Powerful Computing & Processing Performance: Adopts a 266MHz 32-bit processor with fast instruction execution. Boolean instruction execution time: 0.0525–0.075μs; floating-point instruction execution time: 0.4–0.5μs. It efficiently executes complex control logic and precisely handles high-speed interrupts, counters and timestamp events to meet real-time control demands of large-scale systems.
- Diversified Communication & Flexible Expansion: Integrated with Ethernet, Modbus, Modbus Plus, USB and other communication interfaces for multi-mode transmission. It connects seamlessly with industrial networks, remote racks and field equipment. Ten expansion slots allow flexible addition of communication and I/O modules to accommodate progressive system scale expansion.
Sufficient & Expandable Memory: Built-in 1024kB RAM, with PCMCIA memory expansion support. Expanded file and program storage capacity accommodates complex application programs and massive industrial data, fully meeting program operation and data storage needs of large process plants.
- Convenient O&M & Status Monitoring: Front-panel LED indicators directly display Ethernet collision and network activity for real-time status observation. The key switch secures memory port access, and comprehensive onboard fault diagnosis enables rapid fault location to reduce maintenance costs. Online programming and debugging support simplifies program modification and optimization.
- Industrial High Reliability: Rugged industrial mechanical design provides outstanding EMC shielding and vibration resistance. Compliant with international certification standards, it operates steadily in harsh process and manufacturing environments with low failure rate, ensuring continuous and reliable control for critical production workflows.
4. Application Scenarios
(1) Process Control Industry
Widely used in petrochemical, chemical, natural gas and other process industries. As the core controller, it executes complex process control logic and collects real-time process parameters such as temperature, pressure and liquid level. Dual redundant hot standby guarantees non-stop production, while multi-protocol communication realizes stable data interconnection with monitoring systems to ensure compliant and steady plant operation.
(2) Manufacturing Automation
Suitable for large production lines and smart factories. It coordinates production machinery, robots and inspection equipment to realize automatic production control, data acquisition and process optimization. Relying on powerful computing capability and redundant architecture, it prevents production interruption, improves operational efficiency and product qualification rate for large-scale high-reliability manufacturing projects.
(3) Utilities
Applied in power distribution, smart grid, waterworks and wastewater treatment plants. It monitors the operating status of power and water treatment equipment in real time and executes control & protection commands. The redundant hot standby structure ensures continuous operation of utility facilities and maintains uninterrupted key services including power supply and water treatment.
(4) Infrastructure Automation


